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GMC PartsGMC Sierra 1500 HD PartsCatalytic Converter

GMC Sierra 1500 HD Catalytic Converter

Keeping your Sierra 1500 HD in top shape is your top priority.

Select Your VehicleWhile it may not be difficult to find replacement parts for GMC vehicles, these days only the absolute best are required to repair your car or truck. Obviously, you bought your Sierra 1500 HD because you knew that you wanted horsepower and rugged design both rolled up into one vehicle. Your GMC dealership isn't the only place to find the best parts to repair your Sierra 1500 HD. It's not every day that you realize that you have to buy a replacement Catalytic Converter to fix your vehicle.

Don't go too long without fixing your Catalytic Converter... here's why.

Achieving maximum fuel efficiency while reducing emissions on your car or truck depends on the quality and performance of the parts you use. Your GMC Sierra 1500 HD catalytic converter has been installed thanks to a federal mandate that is decades old. There are a host of precious metals, mostly platinum, in the catalytic converter that change the harmful emissions of your GMC Sierra 1500 HD from carbon monoxide and hydrocarbons to carbon dioxide and water. This process revolutionized automakers' ability to improve air quality, which is why every vehicle made today has a catalytic converter.

The experience this company has to differentiate itself.

Don't let a broken Catalytic Converter bring about the demise of your car, truck, or SUV, and don't gamble with its condition by buying anything but the highest quality repair parts. Get your Sierra 1500 HD back on the road with the best replacement parts from the experts at Car Parts Discount. Given all the trouble that can be involved with repairing damage to your car or truck, let www.carpartsdiscount.com be the number one store you go to make buying it easy. Need 2006, 2005, 2003, 2002, 2001 GMC Sierra 1500 HD Catalytic Converter parts? We've got them right here.

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GMC Sierra 1500 HD Catalytic Converter, OEM: 99209HM
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 99209HM
Add for Price,   NEW ITEM
OEM: 99209HM, Item: 1256709
  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 HD Catalytic Converter, OEM: 99009HM
2001-2003, 2005-2006 GMC Sierra 1500 HD 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

GMC Sierra 1500 HD Catalytic Converter, OEM: 51209
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 51209
Add for Price, Save 10%   NEW ITEM
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 HD Catalytic Converter, OEM: 51009
2001-2003, 2005-2006 GMC Sierra 1500 HD 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 HD Catalytic Converter, OEM: 447209
2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 447209
Add for Price, Save 20%   NEW ITEM
OEM: 447209, Item: 1257715
  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 Left, Rear Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 445009
2001 GMC Sierra 1500 HD 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

GMC Sierra 1500 HD Catalytic Converter, OEM: 910005RFlowmaster
2002 GMC Sierra 1500 HD Flowmaster Catalytic Converter 910005R
147.35, 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

GMC Sierra 1500 HD Catalytic Converter, OEM: 640004Eastern Catalytic
2001 GMC Sierra 1500 HD Eastern Catalytic Catalytic Converter 640004
159.55, Save 39%   NEW ITEM
OEM: 640004, Item: 1435139
  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 Center, Right Center

GMC Sierra 1500 HD Catalytic Converter, OEM: 81714Walker
2001 GMC Sierra 1500 HD Walker Catalytic Converter 81714
168.05, Save 39%   NEW ITEM
OEM: 81714, Item: 1147951
  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, Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 81724Walker
2001-2003, 2005-2006 GMC Sierra 1500 HD Walker Catalytic Converter 81724
168.05, 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 HD Catalytic Converter, OEM: 447109
2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 447109
Add for Price, Save 20%   NEW ITEM
OEM: 447109, Item: 1257687
  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: Front Left, Front Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 23781
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 23781
Add for Price, Save 21%   NEW ITEM
OEM: 23781, Item: 1300702
  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

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

Vehicle Install Locations: Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 49642
2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 49642
Add for Price, Save 21%   NEW ITEM
OEM: 49642, Item: 1256234
  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 Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 49006
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 49006
Add for Price, Save 21%   NEW ITEM
OEM: 49006, Item: 1300708
  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: Rear Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 93622
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 93622
Add for Price, Save 21%   NEW ITEM
OEM: 93622, Item: 1258919
  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 HD Catalytic Converter, OEM: 079-5167/0795167Bosal
2003, 2005-2006 GMC Sierra 1500 HD Bosal Catalytic Converter 079-5167
303.65, Save 39%   NEW ITEM
OEM: 079-5167, Item: 1244303
  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: Left

GMC Sierra 1500 HD Catalytic Converter, OEM: 079-5166/0795166Bosal
2003, 2005-2006 GMC Sierra 1500 HD Bosal Catalytic Converter 079-5166
311.45, Save 39%   NEW ITEM
OEM: 079-5166, Item: 1244302
  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: Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 50435Eastern Catalytic
2001-2002 GMC Sierra 1500 HD Eastern Catalytic Catalytic Converter 50435
357.05, Save 39%   NEW ITEM
OEM: 50435, Item: 1350118
  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

GMC Sierra 1500 HD Catalytic Converter, OEM: 55335Walker
2001-2002 GMC Sierra 1500 HD Walker Catalytic Converter 55335
362.05, Save 39%   NEW ITEM
OEM: 55335, Item: 358250
  Only 9 left 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: Left

GMC Sierra 1500 HD Catalytic Converter, OEM: 54899Walker
2002-2003, 2005-2006 GMC Sierra 1500 HD Walker Catalytic Converter 54899
364.45, Save 39%   NEW ITEM
OEM: 54899, Item: 1229454
  Only 8 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 HD Catalytic Converter, OEM: 93623
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 93623
Add for Price, Save 21%   NEW ITEM
OEM: 93623, Item: 1258920
  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 HD Catalytic Converter, OEM: 445648
2001 GMC Sierra 1500 HD Magnaflow Catalytic Converter 445648
Add for Price, Save 21%   NEW ITEM
OEM: 445648, Item: 1257681
  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 HD Catalytic Converter, OEM: 49667
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 49667
Add for Price, Save 21%   NEW ITEM
OEM: 49667, Item: 1418853
  Only 1 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: Left

GMC Sierra 1500 HD Catalytic Converter, OEM: 49668
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 49668
Add for Price, Save 21%   NEW ITEM
OEM: 49668, Item: 1256237
  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

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

Vehicle Install Locations: Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 447275
2003 GMC Sierra 1500 HD 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 HD Catalytic Converter, OEM: 447283
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 447283
Add for Price, Save 20%   NEW ITEM
OEM: 447283, Item: 1257763
  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: Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 447270
2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 447270
Add for Price, Save 23%   NEW ITEM
OEM: 447270, Item: 1450426
  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

GMC Sierra 1500 HD Catalytic Converter, OEM: 93479
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 93479
Add for Price, Save 19%   NO STOCK
OEM: 93479, Item: 1258915
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 1500 HD Catalytic Converter, OEM: 93480
2001-2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 93480
Add for Price, Save 19%   NO STOCK
OEM: 93480, Item: 1258916
  Restock date not known
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Vehicle Install Locations: Left

GMC Sierra 1500 HD Catalytic Converter, OEM: 49643
2003, 2005-2006 GMC Sierra 1500 HD Magnaflow Catalytic Converter 49643
Add for Price, Save 19%   NO STOCK
OEM: 49643, Item: 1256031
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left