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GMC PartsGMC Sierra 1500 PartsCatalytic Converter

GMC Sierra 1500 Catalytic Converter

Why you drive your Sierra 1500.

Select Your VehicleThe vehicle in your driveway is head and shoulders above the rest when it comes to all the vehicles in today's marketplace. It's not a regular occurrence that you discover you need a replacement Catalytic Converter to repair your car or truck. Your GMC dealership isn't the only place to find the highest quality parts to repair your Sierra 1500. Anyone who owns a GMC knows that when it comes to repairing their automobile only the absolute best replacement parts will do.

What Catalytic Converter does for your vehicle.

Reducing harmful hydrocarbons and noxious gases that come from your car or truck depends on the quality and performance of the parts you use. Your GMC Sierra 1500 catalytic converter is likely the single most effective pollution control device on production vehicles today. There are a host of precious metals, mostly platinum, in the catalytic converter that turn the carbon monoxide and hydrocarbons that your GMC Sierra 1500 produces into harmless molecules of carbon dioxide, oxygen, and some water. Thanks to this chemical reaction, automakers could now curb their contribution to air pollution, which is why every vehicle made today has a catalytic converter.

There's no better place for what you are looking for.

Trust in the value of the parts you get from carpartsdiscount.com and realize incredible savings on all your upcoming repairs. Buying new GMC parts from www.carpartsdiscount.com means you are getting the best deal on the absolute greatest original and aftermarket replacement Sierra 1500 parts on the internet. At Car Parts Discount, we have real customer support agents here with enough expertise to help you purchase the correct GMC Sierra 1500 part for your project or repair. All the GMC Sierra 1500 Catalytic Converter parts on this page will fit vehicles made in 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999. Choose your year below to refine your search.

Info: Select your make and model in the red title bar above so we can show the parts you need.
GMC Sierra 1500 CalCat Direct Fit Converter, OEM: 81761Walker
1999-2001, 2003-2005 GMC Sierra 1500 Walker CalCat Direct Fit Converter 81761
633.15, Save 39%   NEW ITEM
OEM: 81761, Item: 660706
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 447106
2002 GMC Sierra 1500 Magnaflow Catalytic Converter 447106
Add for Price, Save 10%   NEW ITEMPOPULAR
OEM: 447106, Item: 1226617
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left, Front Right

GMC Sierra 1500 Catalytic Converter, OEM: 83166Eastern Catalytic
1999-2006 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 83166
64.05, Save 39%   POPULAR
OEM: 83166, Item: 1005400
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 50366Eastern Catalytic
1999-2005 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 50366
395.45, Save 39%   NEW ITEM
OEM: 50366, Item: 1005304
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 2010020Flowmaster
2007-2008 GMC Sierra 1500 Flowmaster Catalytic Converter 2010020
457.85, Save 39%   NEW ITEM
OEM: 2010020, Item: 1444673
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 2010019Flowmaster
2000-2006 GMC Sierra 1500 Flowmaster Catalytic Converter 2010019
388.25, Save 39%   NEW ITEM
OEM: 2010019, Item: 1444665
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 83404Walker
2002-2006 GMC Sierra 1500 Walker Catalytic Converter 83404
162.75, Save 39%   NEW ITEM
OEM: 83404, Item: 1501266
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right, Front Left, Front Right, Rear Left, Rear Right

GMC Sierra 1500 Catalytic Converter, OEM: 50469Walker
2007-2008 GMC Sierra 1500 Walker Catalytic Converter 50469
396.35, Save 39%   NEW ITEM
OEM: 50469, Item: 357952
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 50563Eastern Catalytic
2014-2017 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 50563
429.25, Save 39%   POPULAR
OEM: 50563, Item: 1419260
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Center

GMC Sierra 1500 Catalytic Converter, OEM: 50462Walker
2003-2006 GMC Sierra 1500 Walker Catalytic Converter 50462
421.55, Save 39%   NEW ITEM
OEM: 50462, Item: 357949
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 93165Eastern Catalytic
2007-2010 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 93165
79.45, Save 39%   NEW ITEM
OEM: 93165, Item: 1005423
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 50463Walker
2006 GMC Sierra 1500 Walker Catalytic Converter 50463
405.65, Save 39%   NEW ITEM
OEM: 50463, Item: 357950
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 445419
1999-2001, 2003 GMC Sierra 1500 Magnaflow Catalytic Converter 445419
Add for Price, Save 23%   NEW ITEM
OEM: 445419, Item: 1226595
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 50497Walker
2014-2017 GMC Sierra 1500 Walker Catalytic Converter 50497
532.65, Save 39%   NEW ITEM
OEM: 50497, Item: 1499165
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 54423Walker
2006 GMC Sierra 1500 Walker Catalytic Converter 54423
311.85, Save 39%   NEW ITEM
OEM: 54423, Item: 358156
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 1500 Catalytic Converter, OEM: 50372Eastern Catalytic
2006 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 50372
362.65, Save 39%   NEW ITEM
OEM: 50372, Item: 1005307
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 079-5218/0795218Bosal
2007-2008 GMC Sierra 1500 Bosal Catalytic Converter 079-5218
362.95, Save 39%   NEW ITEM
OEM: 079-5218, Item: 1244334
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 640565Eastern Catalytic
1999-2001, 2003 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 640565
532.35, Save 39%   NEW ITEM
OEM: 640565, Item: 1435140
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Center

GMC Sierra 1500 Catalytic Converter, OEM: 079-5241/0795241Bosal
1999-2007 GMC Sierra 1500 Bosal Catalytic Converter 079-5241
398.55, Save 39%   NEW ITEM
OEM: 079-5241, Item: 1244340
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 81723Walker
2003 GMC Sierra 1500 Walker Catalytic Converter 81723
179.45, Save 39%   NEW ITEM
OEM: 81723, Item: 1147954
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 50473Eastern Catalytic
2009-2013 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 50473
404.85, Save 39%   NEW ITEM
OEM: 50473, Item: 1005353
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 83508Walker
2003-2006 GMC Sierra 1500 Walker Catalytic Converter 83508
160.05, Save 39%   NEW ITEM
OEM: 83508, Item: 1501278
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 83482Walker
1999-2001, 2003-2006 GMC Sierra 1500 Walker Catalytic Converter 83482
461.65, Save 39%   NEW ITEM
OEM: 83482, Item: 1501488
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 83497Walker
2001-2006 GMC Sierra 1500 Walker Catalytic Converter 83497
331.75, Save 39%   NEW ITEM
OEM: 83497, Item: 1501274
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left

GMC Sierra 1500 Catalytic Converter, OEM: 50450Eastern Catalytic
2007-2010 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 50450
350.85, Save 39%   NEW ITEM
OEM: 50450, Item: 1363573
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 82606Walker
2002 GMC Sierra 1500 Walker Catalytic Converter 82606
171.05, Save 39%   NEW ITEM
OEM: 82606, Item: 1148168
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear Left, Rear Right

GMC Sierra 1500 Catalytic Converter, OEM: 640003Eastern Catalytic
1999-2001, 2003 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 640003
145.25, Save 39%   NEW ITEM
OEM: 640003, Item: 1431855
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left Center, Right Center, Center

GMC Sierra 1500 Catalytic Converter, OEM: 640012Eastern Catalytic
1999-2001, 2003-2006 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 640012
158.85, Save 39%   NEW ITEM
OEM: 640012, Item: 1431858
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left Center, Right Center, Center

GMC Sierra 1500 Catalytic Converter, OEM: 83457Walker
2001-2006 GMC Sierra 1500 Walker Catalytic Converter 83457
302.05, Save 39%   NEW ITEM
OEM: 83457, Item: 1501487
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 1500 Catalytic Converter, OEM: 81714Walker
2002-2003 GMC Sierra 1500 Walker Catalytic Converter 81714
179.45, Save 39%   NEW ITEM
OEM: 81714, Item: 1147951
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 83403Walker
1999-2006 GMC Sierra 1500 Walker Catalytic Converter 83403
138.45, Save 39%   NEW ITEM
OEM: 83403, Item: 1501265
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: GM920370MDEC
1999-2001, 2003, 2005-2006 GMC Sierra 1500 DEC Catalytic Converter GM920370M
Add for Price, Save 31%   NEW ITEM
OEM: GM920370M, Item: 467907
  In Stock, Usually ships within 1 business day

This catalytic converter is compliant with C.A.R.B. rules, restrictions, and specifications. It can be installed on a vehicle in California as well as other municipalities that use this emissions standard. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact DEC directly for replacement.. (more)

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: GM920370DEC
1999-2001, 2003-2006 GMC Sierra 1500 DEC Catalytic Converter GM920370
Add for Price, Save 31%   NEW ITEM
OEM: GM920370, Item: 467906
  In Stock, Usually ships within 1 business day

This catalytic converter is compliant with C.A.R.B. rules, restrictions, and specifications. It can be installed on a vehicle in California as well as other municipalities that use this emissions standard. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact DEC directly for replacement.. (more)

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 097-0443/0970443Bosal
2007-2008 GMC Sierra 1500 Bosal Catalytic Converter 097-0443
98.15, Save 39%   NEW ITEM
OEM: 097-0443, Item: 1244616
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front

GMC Sierra 1500 Catalytic Converter, OEM: GM20370DEC
1999-2006 GMC Sierra 1500 DEC Catalytic Converter GM20370
Add for Price, Save 31%   NEW ITEM
OEM: GM20370, Item: 467845
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact DEC directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 50371Eastern Catalytic
2006 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 50371
284.55, Save 39%   NEW ITEM
OEM: 50371, Item: 1005306
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 1500 Catalytic Converter, OEM: 50370Eastern Catalytic
2006 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 50370
288.65, Save 39%   NEW ITEM
OEM: 50370, Item: 1005305
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left

GMC Sierra 1500 Catalytic Converter, OEM: 81923Walker
2003-2005 GMC Sierra 1500 Walker Catalytic Converter 81923
161.45, Save 39%   NEW ITEM
OEM: 81923, Item: 1148044
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 81724Walker
2004, 2006 GMC Sierra 1500 Walker Catalytic Converter 81724
179.45, Save 39%   NEW ITEM
OEM: 81724, Item: 1147955
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left, Front Right, Rear Left, Rear Right

GMC Sierra 1500 Catalytic Converter, OEM: 079-5247/0795247Bosal
2009-2013 GMC Sierra 1500 Bosal Catalytic Converter 079-5247
564.05, Save 39%   NEW ITEM
OEM: 079-5247, Item: 1244342
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 50453Eastern Catalytic
2007-2010 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 50453
484.45, Save 39%   NEW ITEM
OEM: 50453, Item: 1005346
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 912083Eastern Catalytic
2000, 2003-2004 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 912083
473.25, Save 39%   NEW ITEM
OEM: 912083, Item: 1485524
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Center

GMC Sierra 1500 Catalytic Converter, OEM: 50469Walker
2007-2008 GMC Sierra 1500 Walker Catalytic Converter 50469
352.35, Save 39%   NEW ITEM
OEM: 50469, Item: 1508363
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 93238Walker
2007, 2009-2010 GMC Sierra 1500 Walker Catalytic Converter 93238
88.95, Save 39%   NEW ITEM
OEM: 93238, Item: 1508671
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 50463Walker
2006 GMC Sierra 1500 Walker Catalytic Converter 50463
360.55, Save 39%   NEW ITEM
OEM: 50463, Item: 1508362
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 865524Eastern Catalytic
2003 GMC Sierra 1500 Eastern Catalytic Catalytic Converter 865524
602.55, Save 39%   NEW ITEM
OEM: 865524, Item: 1005486
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Center

GMC Sierra 1500 Catalytic Converter, OEM: 445009
2003-2004 GMC Sierra 1500 Magnaflow Catalytic Converter 445009
Add for Price, Save 10%   NEW ITEM
OEM: 445009, Item: 1226564
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right, Front Left, Front Right

GMC Sierra 1500 Catalytic Converter, OEM: 445006
1999-2004 GMC Sierra 1500 Magnaflow Catalytic Converter 445006
Add for Price, Save 11%   NEW ITEM
OEM: 445006, Item: 1226563
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 455005
2003-2005 GMC Sierra 1500 Magnaflow Catalytic Converter 455005
Add for Price,   NEW ITEM
OEM: 455005, Item: 1226791
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 910005RFlowmaster
2002-2003 GMC Sierra 1500 Flowmaster Catalytic Converter 910005R
151.85, Save 39%   NEW ITEM
OEM: 910005R, Item: 1444646
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right, Rear

GMC Sierra 1500 Catalytic Converter, OEM: 2820125Flowmaster
2002-2003, 2010-2011 GMC Sierra 1500 Flowmaster Catalytic Converter 2820125
91.55, Save 39%   NEW ITEM
OEM: 2820125, Item: 1444654
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 1500 Catalytic Converter, OEM: 99009HM
2006 GMC Sierra 1500 Magnaflow Catalytic Converter 99009HM
Add for Price, Save 10%   NEW ITEM
OEM: 99009HM, Item: 1256391
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 912005Flowmaster
2001-2004 GMC Sierra 1500 Flowmaster Catalytic Converter 912005
151.85, Save 39%   NEW ITEM
OEM: 912005, Item: 1444643
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right, Rear

GMC Sierra 1500 Catalytic Converter, OEM: 545006
2007-2009 GMC Sierra 1500 Magnaflow Catalytic Converter 545006
Add for Price, Save 20%   NEW ITEM
OEM: 545006, Item: 1259092
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 458062
2002 GMC Sierra 1500 Magnaflow Catalytic Converter 458062
Add for Price, Save 20%   NEW ITEM
OEM: 458062, Item: 1484935
  Only 5 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 2010018Flowmaster
1999-2000 GMC Sierra 1500 Flowmaster Catalytic Converter 2010018
388.25, Save 39%   NEW ITEM
OEM: 2010018, Item: 1485886
  Only 7 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 912006Flowmaster
1999-2004 GMC Sierra 1500 Flowmaster Catalytic Converter 912006
151.85, Save 39%   NEW ITEM
OEM: 912006, Item: 1444644
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 912083Flowmaster
2000-2004 GMC Sierra 1500 Flowmaster Catalytic Converter 912083
706.35, Save 39%   NEW ITEM
OEM: 912083, Item: 1485802
  Only 3 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 1500 Catalytic Converter, OEM: 51106
2007, 2009-2010 GMC Sierra 1500 Magnaflow Catalytic Converter 51106
Add for Price, Save 20%   NEW ITEM
OEM: 51106, Item: 1411079
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 912038Flowmaster
2001 GMC Sierra 1500 Flowmaster Catalytic Converter 912038
816.75, Save 39%   NEW ITEM
OEM: 912038, Item: 1485801
  Only 5 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 1500 Catalytic Converter, OEM: 93419
1999-2006 GMC Sierra 1500 Magnaflow Catalytic Converter 93419
Add for Price, Save 19%   NEW ITEM
OEM: 93419, Item: 1256928
  Only 7 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 558306
2009-2012 GMC Sierra 1500 Magnaflow Catalytic Converter 558306
Add for Price, Save 20%   NEW ITEM
OEM: 558306, Item: 1411116
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left, Front Right

GMC Sierra 1500 Catalytic Converter, OEM: 99106HM
2007, 2009-2010 GMC Sierra 1500 Magnaflow Catalytic Converter 99106HM
Add for Price, Save 20%   NEW ITEM
OEM: 99106HM, Item: 1256347
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 93602
2001-2005 GMC Sierra 1500 Magnaflow Catalytic Converter 93602
Add for Price, Save 21%   NEW ITEM
OEM: 93602, Item: 1300693
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 1500 Catalytic Converter, OEM: 51878
2001-2006 GMC Sierra 1500 Magnaflow Catalytic Converter 51878
Add for Price, Save 21%   NEW ITEM
OEM: 51878, Item: 1301147
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left

GMC Sierra 1500 Catalytic Converter, OEM: 455032
2003-2005 GMC Sierra 1500 Magnaflow Catalytic Converter 455032
Add for Price, Save 20%   NEW ITEM
OEM: 455032, Item: 1257222
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 558406
2011-2012 GMC Sierra 1500 Magnaflow Catalytic Converter 558406
Add for Price, Save 20%   NEW ITEM
OEM: 558406, Item: 1411117
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Left, Front Right

GMC Sierra 1500 Catalytic Converter, OEM: 93601
2001-2005 GMC Sierra 1500 Magnaflow Catalytic Converter 93601
Add for Price, Save 21%   NEW ITEM
OEM: 93601, Item: 1256747
  Only 7 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left

GMC Sierra 1500 Catalytic Converter, OEM: 51578
2009-2013 GMC Sierra 1500 Magnaflow Catalytic Converter 51578
Add for Price, Save 20%   NEW ITEM
OEM: 51578, Item: 1258739
  Only 4 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

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GMC Sierra 1500 Catalytic Converter, OEM: 51097
1999-2006 GMC Sierra 1500 Magnaflow Catalytic Converter 51097
Add for Price, Save 20%   NEW ITEM
OEM: 51097, Item: 1257050
  Only 3 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

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GMC Sierra 1500 Catalytic Converter, OEM: 49649
2001-2006 GMC Sierra 1500 Magnaflow Catalytic Converter 49649
Add for Price, Save 21%   NEW ITEM
OEM: 49649, Item: 1305775
  Only 2 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Right

GMC Sierra 1500 Catalytic Converter, OEM: 559206
2009-2012 GMC Sierra 1500 Magnaflow Catalytic Converter 559206
Add for Price, Save 15%   NEW ITEM
OEM: 559206, Item: 1411085
  Only 2 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 1500 Catalytic Converter, OEM: 459006
2002 GMC Sierra 1500 Magnaflow Catalytic Converter 459006
Add for Price, Save 20%   NEW ITEM
OEM: 459006, Item: 1256669
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

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Vehicle Install Locations: Rear Left, Rear Right

GMC Sierra 1500 Catalytic Converter, OEM: 24458
2006 GMC Sierra 1500 Magnaflow Catalytic Converter 24458
Add for Price, Save 21%   NEW ITEM
OEM: 24458, Item: 1258285
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

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Vehicle Install Locations: Left

GMC Sierra 1500 Catalytic Converter, OEM: 447284
2002 GMC Sierra 1500 Magnaflow Catalytic Converter 447284
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OEM: 447284, Item: 1465884
  Only 7 left In Stock, Usually ships within 1-2 business days
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GMC Sierra 1500 Catalytic Converter, OEM: 51209
2009-2013 GMC Sierra 1500 Magnaflow Catalytic Converter 51209
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OEM: 51209, Item: 1258620
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 1500 Catalytic Converter, OEM: 447281
2006 GMC Sierra 1500 Magnaflow Catalytic Converter 447281
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OEM: 447281, Item: 1256848
  Only 5 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 1500 Catalytic Converter, OEM: 24460
2006 GMC Sierra 1500 Magnaflow Catalytic Converter 24460
Add for Price, Save 21%   NEW ITEM
OEM: 24460, Item: 1258286
  Only 2 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 1500 Catalytic Converter, OEM: 545194
2007-2009 GMC Sierra 1500 Magnaflow Catalytic Converter 545194
Add for Price, Save 19%   NEW ITEM
OEM: 545194, Item: 1389969
  Only 1 left In Stock, Usually ships within 1-2 business days
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GMC Sierra 1500 Catalytic Converter, OEM: 558578
2009-2012 GMC Sierra 1500 Magnaflow Catalytic Converter 558578
Add for Price, Save 19%   NEW ITEM
OEM: 558578, Item: 1464045
  Only 1 left In Stock, Usually ships within 1-2 business days
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GMC Sierra 1500 Catalytic Converter, OEM: 445106
2004-2006 GMC Sierra 1500 Magnaflow Catalytic Converter 445106
Add for Price, Save 17%   NEW ITEM
OEM: 445106, Item: 1257635
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 447275
2003 GMC Sierra 1500 Magnaflow Catalytic Converter 447275
Add for Price, Save 20%   NEW ITEM
OEM: 447275, Item: 1256785
  Only 1 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Catalytic Converter, OEM: 99006HM
1999-2007, 2009-2010 GMC Sierra 1500 Magnaflow Catalytic Converter 99006HM
Add for Price,   NEW ITEM
OEM: 99006HM, Item: 1256389
  Only 1 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 51009
2006 GMC Sierra 1500 Magnaflow Catalytic Converter 51009
Add for Price,   NEW ITEM
OEM: 51009, Item: 1257262
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 Catalytic Converter, OEM: 3010054Flowmaster
1999-2000 GMC Sierra 1500 Flowmaster Catalytic Converter 3010054
688.85, Save 39%   NO STOCK
OEM: 3010054, Item: 1485885
  Restock date not known
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GMC Sierra 1500 Catalytic Converter, OEM: 50462Walker
2003-2006 GMC Sierra 1500 Walker Catalytic Converter 50462
374.75, Save 39%   NO STOCK
OEM: 50462, Item: 1508361
  Restock date not known
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GMC Sierra 1500 Catalytic Converter, OEM: 49194
2007-2009 GMC Sierra 1500 Magnaflow Catalytic Converter 49194
Add for Price, Save 19%   NO STOCK
OEM: 49194, Item: 1274026
  Restock date not known
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GMC Sierra 1500 Catalytic Converter, OEM: 447206
2002 GMC Sierra 1500 Magnaflow Catalytic Converter 447206
Add for Price,   NEW ITEMPOPULAR
OEM: 447206, Item: 1226664
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear Left, Rear Right

GMC Sierra 1500 Catalytic Converter, OEM: 51006
1999-2013 GMC Sierra 1500 Magnaflow Catalytic Converter 51006
Add for Price,   NEW ITEM
OEM: 51006, Item: 1256799
  Only 2 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 EPA Ultra Direct Fit Converter, OEM: 50486Walker
2007, 2009-2010 GMC Sierra 1500 Walker EPA Ultra Direct Fit Converter 50486
565.55, Save 39%   NEW ITEM
OEM: 50486, Item: 559385
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 EPA Ultra Direct Fit Converter, OEM: 50490Walker
2009-2013 GMC Sierra 1500 Walker EPA Ultra Direct Fit Converter 50490
405.15, Save 39%  
OEM: 50490, Item: 559387
  In Stock, Usually ships within 1 business day
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GMC Sierra 1500 EPA Ultra Direct Fit Converter, OEM: 50511Walker
1999-2003 GMC Sierra 1500 Walker EPA Ultra Direct Fit Converter 50511
387.95, Save 39%   NEW ITEM
OEM: 50511, Item: 660592
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 EPA Ultra Direct Fit Converter, OEM: 16166Walker
2006 GMC Sierra 1500 Walker EPA Ultra Direct Fit Converter 16166
278.35, Save 39%   NEW ITEM
OEM: 16166, Item: 669256
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left

GMC Sierra 1500 EPA Ultra Universal Converter, OEM: 93253Walker
1999-2003, 2007-2013 GMC Sierra 1500 Walker EPA Ultra Universal Converter 93253
87.15, Save 39%   NEW ITEM
OEM: 93253, Item: 669306
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 1500 EPA Ultra Universal Converter, OEM: 93303Walker
2004 GMC Sierra 1500 Walker EPA Ultra Universal Converter 93303
112.35, Save 39%   NEW ITEM
OEM: 93303, Item: 669307
  Only 2 left In Stock, Usually ships within 1 business day
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GMC Sierra 1500 Universal Catalytic Converter, OEM: 93238Walker
2007, 2009-2010 GMC Sierra 1500 Walker Universal Catalytic Converter 93238
95.55, Save 39%   NEW ITEM
OEM: 93238, Item: 358370
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 1500 Universal Catalytic Converter, OEM: 81713Walker
1999-2001, 2003-2005 GMC Sierra 1500 Walker Universal Catalytic Converter 81713
176.65, Save 39%   NEW ITEM
OEM: 81713, Item: 436328
  Only 4 left In Stock, Usually ships within 1 business day

This catalytic converter is compliant with C.A.R.B. rules, restrictions, and specifications. It can be installed on a vehicle in California as well as other municipalities that use this emissions standard. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for replacement.. (more)

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right