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Audi PartsAudi A4 Quattro PartsCatalytic Converter

Audi A4 Quattro Catalytic Converter

Keeping your A4 Quattro in top shape is your top priority.

Select Your VehicleAnyone who owns a Audi knows that when it comes to repairing their car, truck, or SUV only the absolute best replacement parts will do. Car aficionados know that a reliable name is built into each Audi, and understand that only top quality replacement A4 Quattro parts will suffice when maintenance needs to be done. It's not all the time that you find yourself in need of a replacement Catalytic Converter to repair your vehicle. Make no mistake, you didn't buy your A4 Quattro unless you understood you would be getting best-in-class service and dependability both rolled up into one car, truck, or SUV.

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 your use of properly functioning exhaust and emissions parts. Your Audi A4 Quattro catalytic converter has been installed thanks to a federal mandate that is decades old. Inside every catalytic converter are cells made from platinum and/or rhodium arranged in a honeycomb pattern that turn the carbon monoxide and hydrocarbons that your Audi A4 Quattro 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.

You've tried the rest, now try the best.

Don't let a broken Catalytic Converter spell the end of your car, truck, or SUV, and don't risk lowering its resale value by buying anything but the best replacement parts. At Car Parts Discount, we have live customer service members here with enough expertise to help you select the appropriate Audi A4 Quattro part for your needs. Given all the trouble that can be involved with repairing damage to your car or truck, let www.carpartsdiscount.com be the first place you go to make purchasing it easy. When it comes to Audi A4 Quattro Catalytic Converter parts, you can find them for 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996 models by clicking the appropriate year below.

Info: Select your make and model in the red title bar above so we can show the parts you need.
Audi A4 Quattro Catalytic Converter, OEM: 70316Eastern Catalytic
2000-2001 Audi A4 Quattro Eastern Catalytic Catalytic Converter 70316
38.25, Save 39%   NEW ITEM
OEM: 70316, Item: 1005367
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Rear

Audi A4 Quattro Catalytic Converter, OEM: 82204Eastern Catalytic
2002-2005 Audi A4 Quattro Eastern Catalytic Catalytic Converter 82204
63.25, Save 39%   NEW ITEM
OEM: 82204, Item: 1005387
  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

Audi A4 Quattro Catalytic Converter, OEM: 99204HM
1996-1999, 2005-2009 Audi A4 Quattro Magnaflow Catalytic Converter 99204HM
Add for Price, Save 6%   NEW ITEM
OEM: 99204HM, Item: 1256349
  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

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

Vehicle Install Locations: Left, Right

Audi A4 Quattro Catalytic Converter, OEM: 99234HM
1997-2005 Audi A4 Quattro Magnaflow Catalytic Converter 99234HM
Add for Price, Save 14%   NEW ITEM
OEM: 99234HM, Item: 1256353
  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

Audi A4 Quattro Catalytic Converter, OEM: 51204
2005-2009 Audi A4 Quattro Magnaflow Catalytic Converter 51204
Add for Price,   NEW ITEM
OEM: 51204, Item: 1256805
  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

Audi A4 Quattro Catalytic Converter, OEM: 99355HM
2002-2004 Audi A4 Quattro Magnaflow Catalytic Converter 99355HM
Add for Price, Save 14%   NEW ITEM
OEM: 99355HM, Item: 1256385
  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

Audi A4 Quattro Catalytic Converter, OEM: 51355
2002-2004 Audi A4 Quattro Magnaflow Catalytic Converter 51355
Add for Price,   NEW ITEM
OEM: 51355, Item: 1256705
  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: Left, Right

Audi A4 Quattro Catalytic Converter, OEM: 097-0414/0970414Bosal
1996-2005 Audi A4 Quattro Bosal Catalytic Converter 097-0414
85.65, Save 39%  
OEM: 097-0414, Item: 1244614
  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

Audi A4 Quattro Universal Catalytic Converter, OEM: 93251Walker
1996, 1999 Audi A4 Quattro Walker Universal Catalytic Converter 93251
87.95, Save 39%   POPULAR
OEM: 93251, Item: 358374
  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, Right

Audi A4 Quattro Catalytic Converter, OEM: 51234
1997-2005 Audi A4 Quattro Magnaflow Catalytic Converter 51234
Add for Price, Save 9%   NEW ITEM
OEM: 51234, Item: 1256937
  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

Audi A4 Quattro Catalytic Converter, OEM: 2820120Flowmaster
1997-2005 Audi A4 Quattro Flowmaster Catalytic Converter 2820120
88.85, Save 39%   NEW ITEM
OEM: 2820120, Item: 1444657
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 93263Walker
1997-2000 Audi A4 Quattro Walker Catalytic Converter 93263
97.15, Save 39%   NEW ITEM
OEM: 93263, Item: 512800
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 097-0443/0970443Bosal
1997-2005 Audi A4 Quattro Bosal Catalytic Converter 097-0443
98.15, Save 39%   NEW ITEM
OEM: 097-0443, Item: 1244616
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Universal Catalytic Converter, OEM: 93271Walker
2001-2004 Audi A4 Quattro Walker Universal Catalytic Converter 93271
105.55, Save 39%   NEW ITEM
OEM: 93271, Item: 358385
  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

Audi A4 Quattro Catalytic Converter, OEM: 808007Eastern Catalytic
2002, 2004 Audi A4 Quattro Eastern Catalytic Catalytic Converter 808007
108.85, Save 39%   NEW ITEM
OEM: 808007, Item: 1431923
  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: Front Left, Front Right

Audi A4 Quattro Catalytic Converter, OEM: 408004
1996-1997 Audi A4 Quattro Magnaflow Catalytic Converter 408004
Add for Price, Save 20%   NEW ITEM
OEM: 408004, Item: 1257554
  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

Audi A4 Quattro Catalytic Converter, OEM: 542104
2005-2006 Audi A4 Quattro Magnaflow Catalytic Converter 542104
Add for Price, Save 16%   NEW ITEM
OEM: 542104, Item: 1257192
  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: Rear Left, Rear Right

Audi A4 Quattro Catalytic Converter, OEM: 441205
2001 Audi A4 Quattro Magnaflow Catalytic Converter 441205
Add for Price, Save 20%   NEW ITEM
OEM: 441205, Item: 1257590
  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

Audi A4 Quattro Catalytic Converter, OEM: 418005
1997-1999 Audi A4 Quattro Magnaflow Catalytic Converter 418005
Add for Price, Save 16%   NEW ITEM
OEM: 418005, Item: 1411103
  Only 2 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 418004
1996-1997, 1999 Audi A4 Quattro Magnaflow Catalytic Converter 418004
Add for Price, Save 20%   NEW ITEM
OEM: 418004, Item: 1259122
  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

Audi A4 Quattro Catalytic Converter, OEM: 444205
2001 Audi A4 Quattro Magnaflow Catalytic Converter 444205
Add for Price, Save 20%   NEW ITEM
OEM: 444205, Item: 1257285
  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

Audi A4 Quattro CalCat Universal Converter, OEM: 82506Walker
1996-1999 Audi A4 Quattro Walker CalCat Universal Converter 82506
145.75, Save 39%   NEW ITEM
OEM: 82506, Item: 660403
  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

Audi A4 Quattro CalCat Universal Converter, OEM: 83304Walker
2005-2006 Audi A4 Quattro Walker CalCat Universal Converter 83304
161.65, Save 39%   NEW ITEM
OEM: 83304, Item: 559510
  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: Front Left, Front Right

Audi A4 Quattro Catalytic Converter, OEM: 448004
1996-1997, 1999 Audi A4 Quattro Magnaflow Catalytic Converter 448004
Add for Price, Save 14%   POPULAR
OEM: 448004, Item: 1226695
  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: Left, Right

Audi A4 Quattro Catalytic Converter, OEM: 448005
1997-2000 Audi A4 Quattro Magnaflow Catalytic Converter 448005
Add for Price, Save 14%   NEW ITEM
OEM: 448005, Item: 1226696
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 099-3021/0993021Bosal
1997-2005 Audi A4 Quattro Bosal Catalytic Converter 099-3021
201.05, Save 39%   NEW ITEM
OEM: 099-3021, Item: 1245022
  Only 8 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 096-3021/0963021Bosal
1997-2005 Audi A4 Quattro Bosal Catalytic Converter 096-3021
218.35, Save 39%   NEW ITEM
OEM: 096-3021, Item: 1244599
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 4B0254200
1997-2001 Audi A4 Quattro Emico Catalytic Converter 4B0254200
222.35, Save 39%   NEW ITEM
OEM: 4B0254200, Item: 268384
  Only 1 left In Stock, Usually ships within 1 business day

Installation of aftermarket catalytic converters 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 Emico directly for replacement.. (more)

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

Audi A4 Quattro Catalytic Converter, OEM: 546055
2006-2008 Audi A4 Quattro Magnaflow Catalytic Converter 546055
Add for Price, Save 20%   NEW ITEM
OEM: 546055, Item: 1411073
  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

Audi A4 Quattro Catalytic Converter, OEM: 40684Eastern Catalytic
2005-2009 Audi A4 Quattro Eastern Catalytic Catalytic Converter 40684
245.05, Save 39%   NEW ITEM
OEM: 40684, Item: 1005162
  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: Front

Audi A4 Quattro Catalytic Converter, OEM: 24190
2005-2009 Audi A4 Quattro Magnaflow Catalytic Converter 24190
Add for Price, Save 21%   NEW ITEM
OEM: 24190, Item: 1257037
  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

Audi A4 Quattro Catalytic Converter, OEM: 099-0583/0990583Bosal
1996-1999 Audi A4 Quattro Bosal Catalytic Converter 099-0583
268.05, Save 39%   NEW ITEM
OEM: 099-0583, Item: 1244785
  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: Right

Audi A4 Quattro Catalytic Converter, OEM: 456034
2001-2005 Audi A4 Quattro Magnaflow Catalytic Converter 456034
Add for Price, Save 20%   NEW ITEM
OEM: 456034, Item: 1257942
  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

Audi A4 Quattro Catalytic Converter, OEM: 2084186Flowmaster
1997-2005 Audi A4 Quattro Flowmaster Catalytic Converter 2084186
273.35, Save 39%   NEW ITEM
OEM: 2084186, Item: 1485636
  Only 6 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro EPA Ultra Direct Fit Converter, OEM: 16087Walker
1997-2005 Audi A4 Quattro Walker EPA Ultra Direct Fit Converter 16087
274.15, Save 39%   NEW ITEM
OEM: 16087, Item: 660493
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 22960
1997-2005 Audi A4 Quattro Magnaflow Catalytic Converter 22960
Add for Price, Save 21%   NEW ITEM
OEM: 22960, Item: 1256796
  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

Audi A4 Quattro Catalytic Converter, OEM: 521031Bosal
1997-2000 Audi A4 Quattro Bosal Catalytic Converter 521031
282.65, Save 39%   NEW ITEM
OEM: 521031, Item: 1246904
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 40300Eastern Catalytic
2001-2005 Audi A4 Quattro Eastern Catalytic Catalytic Converter 40300
300.85, Save 39%   NEW ITEM
OEM: 40300, Item: 1005004
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 521054Bosal
1996-1999 Audi A4 Quattro Bosal Catalytic Converter 521054
303.55, Save 39%   NEW ITEM
OEM: 521054, Item: 1246906
  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

Audi A4 Quattro Catalytic Converter, OEM: 541174
2005-2006 Audi A4 Quattro Magnaflow Catalytic Converter 541174
Add for Price, Save 20%   NEW ITEM
OEM: 541174, Item: 1258012
  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

Audi A4 Quattro Catalytic Converter, OEM: 52352
2009-2015 Audi A4 Quattro Magnaflow Catalytic Converter 52352
Add for Price, Save 21%   NEW ITEMPOPULAR
OEM: 52352, Item: 1416368
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: AU1361DEC
2005-2008 Audi A4 Quattro DEC Catalytic Converter AU1361
Add for Price, Save 31%   NEW ITEM
OEM: AU1361, Item: 467391
  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

Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 8D0253058L
1996-1999 Audi A4 Quattro Emico Catalytic Converter 8D0253058L
323.25, Save 39%   NEW ITEM
OEM: 8D0253058L, Item: 268401
  Only 4 left In Stock, Usually ships within 1 business day

Installation of aftermarket catalytic converters 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 Emico directly for replacement.. (more)

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

Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter, OEM: AU9M1360DEC
1997-2000 Audi A4 Quattro DEC Catalytic Converter AU9M1360
326.85, Save 39%   NEW ITEM
OEM: AU9M1360, Item: 1254604
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: AU1365DEC
2005-2009 Audi A4 Quattro DEC Catalytic Converter AU1365
Add for Price, Save 31%   NEW ITEM
OEM: AU1365, Item: 467392
  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

Vehicle Install Locations: Front

Audi A4 Quattro Catalytic Converter, OEM: AU9M1351DEC
1999 Audi A4 Quattro DEC Catalytic Converter AU9M1351
Add for Price, Save 31%   NEW ITEM
OEM: AU9M1351, Item: 467454
  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

Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter, OEM: AU9M1352DEC
1999 Audi A4 Quattro DEC Catalytic Converter AU9M1352
Add for Price, Save 31%   NEW ITEM
OEM: AU9M1352, Item: 467455
  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

Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 49135
2009 Audi A4 Quattro Magnaflow Catalytic Converter 49135
Add for Price, Save 21%   NEW ITEM
OEM: 49135, Item: 1356558
  Only 9 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

Audi A4 Quattro Catalytic Converter, OEM: AU1309DDEC
2002-2004 Audi A4 Quattro DEC Catalytic Converter AU1309D
338.85, Save 39%   NEW ITEM
OEM: AU1309D, Item: 994784
  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

Audi A4 Quattro Catalytic Converter, OEM: 24176
2002-2004 Audi A4 Quattro Magnaflow Catalytic Converter 24176
Add for Price, Save 21%   NEW ITEM
OEM: 24176, Item: 1408310
  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: Right

Audi A4 Quattro Catalytic Converter, OEM: 51644
1997-2005 Audi A4 Quattro Magnaflow Catalytic Converter 51644
Add for Price, Save 21%   NEW ITEM
OEM: 51644, Item: 1257187
  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

Audi A4 Quattro Catalytic Converter, OEM: 24132
2002-2005 Audi A4 Quattro Magnaflow Catalytic Converter 24132
Add for Price, Save 21%   NEW ITEM
OEM: 24132, Item: 1258210
  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

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

Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: AU71360BDEC
2002-2005 Audi A4 Quattro DEC Catalytic Converter AU71360B
357.55, Save 39%   NEW ITEM
OEM: AU71360B, Item: 268385
  Only 2 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 DEC directly for.. (more)

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

Audi A4 Quattro Catalytic Converter, OEM: 22962
1996-1999 Audi A4 Quattro Magnaflow Catalytic Converter 22962
Add for Price, Save 21%   NEW ITEM
OEM: 22962, Item: 1256997
  Only 6 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

Audi A4 Quattro Catalytic Converter, OEM: 22963
1996-1999 Audi A4 Quattro Magnaflow Catalytic Converter 22963
Add for Price, Save 21%   NEW ITEM
OEM: 22963, Item: 1256996
  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

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

Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter, OEM: 448659
1996-1997, 1999 Audi A4 Quattro Magnaflow Catalytic Converter 448659
Add for Price, Save 21%   NEW ITEM
OEM: 448659, Item: 1257199
  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

Audi A4 Quattro Catalytic Converter, OEM: 096-1230/0961230Bosal
2002-2004 Audi A4 Quattro Bosal Catalytic Converter 096-1230
372.85, Save 39%   NEW ITEM
OEM: 096-1230, Item: 1244453
  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: Right

Audi A4 Quattro Catalytic Converter, OEM: 099-024/099024Bosal
2000-2001 Audi A4 Quattro Bosal Catalytic Converter 099-024
375.15, Save 39%   NEW ITEM
OEM: 099-024, Item: 1244628
  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

Audi A4 Quattro CalCat Direct Fit Converter, OEM: 82667Walker
1997-2000, 2003-2004 Audi A4 Quattro Walker CalCat Direct Fit Converter 82667
376.65, Save 39%   NEW ITEM
OEM: 82667, Item: 660794
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Audi A4 Quattro Catalytic Converter, OEM: 51461
2002-2004 Audi A4 Quattro Magnaflow Catalytic Converter 51461
Add for Price, Save 21%   NEW ITEM
OEM: 51461, Item: 1258697
  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

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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: AU91351DEC
1998-1999 Audi A4 Quattro DEC Catalytic Converter AU91351
379.55, Save 39%   NEW ITEM
OEM: AU91351, Item: 1431812
  Only 1 left In Stock, Usually ships within 1 business day
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Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter (New), OEM: 4B0 254 200 X/4B0254200XDEC
1997-2000 Audi A4 Quattro DEC Catalytic Converter (New) 4B0 254 200 X
380.35, Save 41%   NEW ITEM
OEM: 4B0 254 200 X, Item: 512871
  Only 1 left In Stock, Usually ships within 1 business day
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Audi A4 Quattro Catalytic Converter, OEM: 49163
2005-2009 Audi A4 Quattro Magnaflow Catalytic Converter 49163
Add for Price, Save 21%   NEW ITEM
OEM: 49163, Item: 1258350
  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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Audi A4 Quattro Catalytic Converter, OEM: 448605
1997-2000 Audi A4 Quattro Magnaflow Catalytic Converter 448605
Add for Price, Save 21%   NEW ITEM
OEM: 448605, Item: 1257837
  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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Audi A4 Quattro Catalytic Converter, OEM: 51124
2002-2005 Audi A4 Quattro Magnaflow Catalytic Converter 51124
Add for Price, Save 21%   NEW ITEM
OEM: 51124, Item: 1361112
  Only 1 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter, OEM: 24356
2005-2008 Audi A4 Quattro Magnaflow Catalytic Converter 24356
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OEM: 24356, Item: 1352268
  Only 3 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter, OEM: AU91360DEC
1997-2000 Audi A4 Quattro DEC Catalytic Converter AU91360
440.35, Save 39%   NEW ITEM
OEM: AU91360, Item: 268390
  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 DEC directly for replacement.. (more)

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Audi A4 Quattro Catalytic Converter, OEM: 448658
1996-1997, 1999 Audi A4 Quattro Magnaflow Catalytic Converter 448658
Add for Price, Save 20%   NEW ITEM
OEM: 448658, Item: 1257198
  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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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 49904
2005-2008 Audi A4 Quattro Magnaflow Catalytic Converter 49904
Add for Price, Save 20%   NEW ITEM
OEM: 49904, Item: 1481510
  Only 1 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter, OEM: 49903
2005-2008 Audi A4 Quattro Magnaflow Catalytic Converter 49903
Add for Price, Save 20%   NEW ITEM
OEM: 49903, Item: 1499071
  Only 1 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 51854
2005-2009 Audi A4 Quattro Magnaflow Catalytic Converter 51854
Add for Price, Save 20%   NEW ITEM
OEM: 51854, Item: 1300720
  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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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 456062
2001-2005 Audi A4 Quattro Magnaflow Catalytic Converter 456062
Add for Price, Save 20%   NEW ITEM
OEM: 456062, Item: 1257955
  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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Audi A4 Quattro Catalytic Converter, OEM: AU9M1360BDEC
2001-2005 Audi A4 Quattro DEC Catalytic Converter AU9M1360B
Add for Price, Save 31%   NEW ITEM
OEM: AU9M1360B, Item: 472525
  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

Audi A4 Quattro Catalytic Converter, OEM: AU9M1360BDEC
2001-2005 Audi A4 Quattro DEC Catalytic Converter AU9M1360B
555.75, Save 39%   NEW ITEM
OEM: AU9M1360B, Item: 994901
  Only 1 left In Stock, Usually ships within 1 business day
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Audi A4 Quattro Catalytic Converter, OEM: 546903
2006-2008 Audi A4 Quattro Magnaflow Catalytic Converter 546903
Add for Price, Save 20%   NEW ITEM
OEM: 546903, Item: 1411038
  Only 1 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 546119
2006-2008 Audi A4 Quattro Magnaflow Catalytic Converter 546119
Add for Price, Save 20%   NEW ITEM
OEM: 546119, Item: 1470638
  Only 2 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter, OEM: 546854
2006-2008 Audi A4 Quattro Magnaflow Catalytic Converter 546854
Add for Price, Save 20%   NEW ITEM
OEM: 546854, Item: 1411037
  Only 2 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 546904
2006-2008 Audi A4 Quattro Magnaflow Catalytic Converter 546904
Add for Price, Save 20%   NEW ITEM
OEM: 546904, Item: 1411039
  Only 1 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter (New), OEM: 8E0 131 089 DX/8E0131089DXDEC
2001-2005 Audi A4 Quattro DEC Catalytic Converter (New) 8E0 131 089 DX
646.25, Save 41%   NEW ITEM
OEM: 8E0 131 089 DX, Item: 520052
  Only 5 left In Stock, Usually ships within 1 business day
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Audi A4 Quattro Catalytic Converter, OEM: 522501Bosal
1996-1999 Audi A4 Quattro Bosal Catalytic Converter 522501
203.45, Save 39%   NO STOCK
OEM: 522501, Item: 1246912
  Restock date not known
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Vehicle Install Locations: Left, Right

Audi A4 Quattro Catalytic Converter, OEM: 8D0253057H
1996-1999 Audi A4 Quattro Emico Catalytic Converter 8D0253057H
320.75, Save 39%   NO STOCK
OEM: 8D0253057H, Item: 268399
  Restock date not known
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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 49136
2009 Audi A4 Quattro Magnaflow Catalytic Converter 49136
Add for Price, Save 19%   NO STOCK
OEM: 49136, Item: 1258345
  Restock date not known
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Vehicle Install Locations: Right

Audi A4 Quattro Catalytic Converter, OEM: AU71351DEC
1996-1999 Audi A4 Quattro DEC Catalytic Converter AU71351
344.85, Save 39%   NO STOCK
OEM: AU71351, Item: 994869
  Restock date not known
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Vehicle Install Locations: Right

DEC
1996-1999 Audi A4 Quattro DEC Catalytic Converter AU71352
344.85, Save 39%   NO STOCK
OEM: AU71352, Item: 994870
  Restock date not known
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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 096-1231/0961231Bosal
2002-2004 Audi A4 Quattro Bosal Catalytic Converter 096-1231
360.85, Save 39%   NO STOCK
OEM: 096-1231, Item: 1244454
  Restock date not known
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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 24355
2005-2008 Audi A4 Quattro Magnaflow Catalytic Converter 24355
Add for Price, Save 19%   NO STOCK
OEM: 24355, Item: 1258257
  Restock date not known
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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: AU1324DDEC
2002-2003 Audi A4 Quattro DEC Catalytic Converter AU1324D
433.65, Save 39%   NO STOCK
OEM: AU1324D, Item: 103150
  Restock date not known
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Vehicle Install Locations: Left

Audi A4 Quattro Catalytic Converter, OEM: 51119
2005-2009 Audi A4 Quattro Magnaflow Catalytic Converter 51119
Add for Price, Save 19%   NO STOCK
OEM: 51119, Item: 1258594
  Restock date not known
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Vehicle Install Locations: Right