Car Parts Discount
Infiniti PartsInfiniti QX4 PartsCatalytic Converter

Infiniti QX4 Catalytic Converter

Keeping your QX4 in top shape is your top priority.

Select Your VehicleYou bought your QX4 because its sporty handling and unique styling struck a chord inside you; so why would you settle for second best when it comes to the highest quality auto parts? The vehicle in your driveway symbolizes the best in class compared to all the other vehicles currently being driven today. Obviously, you bought your QX4 because you understood you would be getting best-in-class service and dependability both rolled up into one vehicle. Infiniti automobile drivers have grown accustomed to a certain level of sporty handling when driving their QX4 around town.

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 Infiniti QX4 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 Infiniti QX4 produces into harmless molecules of carbon dioxide, oxygen, and some water. This process revolutionized automakers' ability to improve air quality, which is why every vehicle made today has a catalytic converter.

High quality parts, great prices, staff that want to please you.

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 installing anything but the best replacement parts. Make all your future car parts purchases at carpartsdiscount.com and save time and money on all your upcoming repairs. When your Infiniti requires the best replacement Catalytic Converter, there's no need to waste time looking anywhere other than the authority, Car Parts Discount. When it comes to Infiniti QX4 Catalytic Converter parts, you can find them for 2003, 2002, 2001, 2000, 1999, 1998, 1997 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.
Infiniti QX4 Catalytic Converter, OEM: 83164Eastern Catalytic
1997-2003 Infiniti QX4 Eastern Catalytic Catalytic Converter 83164
64.05, Save 39%   NEW ITEM
OEM: 83164, Item: 1005398
  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

Infiniti QX4 Catalytic Converter, OEM: 99204HM
1998-2000 Infiniti QX4 Magnaflow Catalytic Converter 99204HM
Add for Price, Save 21%   NEW ITEM
OEM: 99204HM, Item: 1256349
  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: Rear Left, Rear Right

Infiniti QX4 Catalytic Converter, OEM: 99004HM
1997, 2001-2003 Infiniti QX4 Magnaflow Catalytic Converter 99004HM
Add for Price, Save 21%   NEW ITEM
OEM: 99004HM, Item: 1256387
  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, Left, Right

Infiniti QX4 Catalytic Converter, OEM: 447204
2001-2002 Infiniti QX4 Magnaflow Catalytic Converter 447204
Add for Price, Save 20%   NEW ITEM
OEM: 447204, Item: 1226662
  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: Rear Left, Rear Right

Infiniti QX4 Catalytic Converter, OEM: 51004
2001-2003 Infiniti QX4 Magnaflow Catalytic Converter 51004
Add for Price, Save 25%   NEW ITEM
OEM: 51004, Item: 1258566
  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

Flowmaster
1998-2002 Infiniti QX4 Flowmaster Catalytic Converter 912005
147.35, 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

Infiniti QX4 Catalytic Converter, OEM: 640010Eastern Catalytic
2003 Infiniti QX4 Eastern Catalytic Catalytic Converter 640010
157.35, Save 39%   NEW ITEM
OEM: 640010, Item: 1431856
  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

Infiniti QX4 Catalytic Converter, OEM: 445104
2003 Infiniti QX4 Magnaflow Catalytic Converter 445104
Add for Price, Save 24%   NEW ITEM
OEM: 445104, Item: 1257634
  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

Infiniti QX4 Catalytic Converter, OEM: 81901Walker
1998-2001 Infiniti QX4 Walker Catalytic Converter 81901
169.35, Save 39%   NEW ITEM
OEM: 81901, Item: 1148034
  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: Rear Left, Rear Right

Infiniti QX4 Catalytic Converter, OEM: 099-1427/0991427Bosal
1997-2000 Infiniti QX4 Bosal Catalytic Converter 099-1427
192.25, Save 39%   NEW ITEM
OEM: 099-1427, Item: 1244844
  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

Infiniti QX4 Catalytic Converter, OEM: 24417
2001-2003 Infiniti QX4 Magnaflow Catalytic Converter 24417
Add for Price, Save 22%   NEW ITEM
OEM: 24417, Item: 1258279
  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

Infiniti QX4 Catalytic Converter, OEM: 40444Eastern Catalytic
1997-2003 Infiniti QX4 Eastern Catalytic Catalytic Converter 40444
208.65, Save 39%   NEW ITEM
OEM: 40444, Item: 1005071
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear Right

Infiniti QX4 Catalytic Converter, OEM: 40443Eastern Catalytic
1997-2003 Infiniti QX4 Eastern Catalytic Catalytic Converter 40443
217.15, Save 39%   NEW ITEM
OEM: 40443, Item: 1005070
  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

Infiniti QX4 EPA Ultra Direct Fit Converter, OEM: 16343Walker
2001-2003 Infiniti QX4 Walker EPA Ultra Direct Fit Converter 16343
217.35, Save 39%   NEW ITEM
OEM: 16343, Item: 660537
  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: Front Left

Infiniti QX4 Catalytic Converter, OEM: 099-1428/0991428Bosal
1997-2003 Infiniti QX4 Bosal Catalytic Converter 099-1428
217.95, Save 39%   NEW ITEM
OEM: 099-1428, Item: 1244845
  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

Infiniti QX4 Catalytic Converter, OEM: 50211
1997-2003 Infiniti QX4 Magnaflow Catalytic Converter 50211
Add for Price, Save 21%   NEW ITEM
OEM: 50211, Item: 1258481
  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, Front Left

Infiniti QX4 Catalytic Converter, OEM: 50212
1997-2000 Infiniti QX4 Magnaflow Catalytic Converter 50212
Add for Price, Save 21%   NEW ITEM
OEM: 50212, Item: 1258482
  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, Front Right

Infiniti QX4 EPA Ultra Direct Fit Converter, OEM: 16344Walker
2001-2003 Infiniti QX4 Walker EPA Ultra Direct Fit Converter 16344
223.85, Save 39%   NEW ITEM
OEM: 16344, Item: 669257
  Only 4 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: Front Right

Infiniti QX4 Catalytic Converter, OEM: 099-1429/0991429Bosal
2001-2003 Infiniti QX4 Bosal Catalytic Converter 099-1429
230.95, Save 39%   NEW ITEM
OEM: 099-1429, Item: 1244846
  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

Infiniti QX4 Catalytic Converter, OEM: NIS2597DEC
1997-2003 Infiniti QX4 DEC Catalytic Converter NIS2597
Add for Price, Save 31%   NEW ITEM
OEM: NIS2597, Item: 468494
  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

Infiniti QX4 Catalytic Converter, OEM: NIS2599DEC
2001-2003 Infiniti QX4 DEC Catalytic Converter NIS2599
Add for Price, Save 31%   NEW ITEM
OEM: NIS2599, Item: 468496
  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: Right

Infiniti QX4 Catalytic Converter, OEM: 40445Eastern Catalytic
1997-2003 Infiniti QX4 Eastern Catalytic Catalytic Converter 40445
236.55, Save 39%   NEW ITEM
OEM: 40445, Item: 1005072
  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

Infiniti QX4 Catalytic Converter, OEM: 49532
2001-2003 Infiniti QX4 Magnaflow Catalytic Converter 49532
Add for Price, Save 21%   NEW ITEM
OEM: 49532, Item: 1339161
  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 Right

Infiniti QX4 Catalytic Converter, OEM: 16113Walker
1997-2000 Infiniti QX4 Walker Catalytic Converter 16113
241.25, Save 39%   NEW ITEM
OEM: 16113, Item: 357703
  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 Walker directly for.. (more)

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

Vehicle Install Locations: Front Left

Infiniti QX4 Catalytic Converter, OEM: 16114Walker
1997-2000 Infiniti QX4 Walker Catalytic Converter 16114
241.25, Save 39%   NEW ITEM
OEM: 16114, Item: 357704
  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 Walker directly for.. (more)

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

Vehicle Install Locations: Front Right

Infiniti QX4 Catalytic Converter, OEM: 40268Eastern Catalytic
1997-2000 Infiniti QX4 Eastern Catalytic Catalytic Converter 40268
243.45, Save 39%   NEW ITEM
OEM: 40268, Item: 1004997
  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: Front Right

Infiniti QX4 Catalytic Converter, OEM: 40446Eastern Catalytic
2001-2003 Infiniti QX4 Eastern Catalytic Catalytic Converter 40446
244.35, Save 39%   NEW ITEM
OEM: 40446, Item: 1005073
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Right

Infiniti QX4 Catalytic Converter, OEM: 49320
1997-2003 Infiniti QX4 Magnaflow Catalytic Converter 49320
Add for Price, Save 21%   NEW ITEM
OEM: 49320, Item: 1255379
  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, Front Left

Infiniti QX4 Catalytic Converter, OEM: 650519Eastern Catalytic
2001-2002 Infiniti QX4 Eastern Catalytic Catalytic Converter 650519
282.65, Save 39%   NEW ITEM
OEM: 650519, Item: 1431888
  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

Infiniti QX4 CalCat Direct Fit Converter, OEM: 81751Walker
1997-2000 Infiniti QX4 Walker CalCat Direct Fit Converter 81751
283.95, Save 39%   NEW ITEM
OEM: 81751, Item: 660697
  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: Front Left

Infiniti QX4 CalCat Direct Fit Converter, OEM: 81752Walker
1997-2000 Infiniti QX4 Walker CalCat Direct Fit Converter 81752
283.95, Save 39%   NEW ITEM
OEM: 81752, Item: 660698
  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: Front Right

Infiniti QX4 CalCat Direct Fit Converter, OEM: 81754Walker
2001-2003 Infiniti QX4 Walker CalCat Direct Fit Converter 81754
283.95, Save 39%   NEW ITEM
OEM: 81754, Item: 660700
  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: Front Right

Infiniti QX4 Catalytic Converter, OEM: 447230
2001-2002 Infiniti QX4 Magnaflow Catalytic Converter 447230
Add for Price, Save 21%   NEW ITEM
OEM: 447230, Item: 1257733
  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: Rear Right

Infiniti QX4 Catalytic Converter, OEM: 49531
2001-2003 Infiniti QX4 Magnaflow Catalytic Converter 49531
Add for Price, Save 21%   NEW ITEM
OEM: 49531, Item: 1255647
  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

Infiniti QX4 CalCat Direct Fit Converter, OEM: 81753Walker
2001-2003 Infiniti QX4 Walker CalCat Direct Fit Converter 81753
289.45, Save 39%   NEW ITEM
OEM: 81753, Item: 660699
  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: Front Left

Infiniti QX4 Catalytic Converter, OEM: 447198
2001 Infiniti QX4 Magnaflow Catalytic Converter 447198
Add for Price, Save 21%   NEW ITEM
OEM: 447198, Item: 1257712
  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: Front Right

Infiniti QX4 Catalytic Converter, OEM: 445498
1997 Infiniti QX4 Magnaflow Catalytic Converter 445498
Add for Price, Save 21%   NEW ITEM
OEM: 445498, Item: 1256842
  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, Front Left

Infiniti QX4 Catalytic Converter, OEM: 445499
1997 Infiniti QX4 Magnaflow Catalytic Converter 445499
Add for Price, Save 21%   NEW ITEM
OEM: 445499, Item: 1256843
  Only 8 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, Front Right

Infiniti QX4 Catalytic Converter, OEM: 447227
2001-2002 Infiniti QX4 Magnaflow Catalytic Converter 447227
Add for Price, Save 21%   NEW ITEM
OEM: 447227, Item: 1256896
  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: Rear Left

Infiniti QX4 Catalytic Converter, OEM: NIS92513DDEC
1998-2000 Infiniti QX4 DEC Catalytic Converter NIS92513D
Add for Price, Save 31%   NEW ITEM
OEM: NIS92513D, Item: 473131
  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: Rear Left

Infiniti QX4 Catalytic Converter, OEM: NIS92513PDEC
1998-2000 Infiniti QX4 DEC Catalytic Converter NIS92513P
Add for Price, Save 31%   NEW ITEM
OEM: NIS92513P, Item: 473132
  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: Rear Right

Infiniti QX4 Catalytic Converter, OEM: NIS92513PDEC
1998-2000 Infiniti QX4 DEC Catalytic Converter NIS92513P
420.15, Save 39%   NEW ITEM
OEM: NIS92513P, Item: 996536
  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: Rear Right

Infiniti QX4 Catalytic Converter, OEM: 24118
2001-2003 Infiniti QX4 Magnaflow Catalytic Converter 24118
Add for Price, Save 19%   NO STOCK
OEM: 24118, Item: 1256743
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear Right

Infiniti QX4 Catalytic Converter, OEM: 24897
1998-2000 Infiniti QX4 Magnaflow Catalytic Converter 24897
Add for Price, Save 19%   NO STOCK
OEM: 24897, Item: 1411063
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear Right

Infiniti QX4 Catalytic Converter, OEM: 50832
2001-2003 Infiniti QX4 Magnaflow Catalytic Converter 50832
Add for Price, Save 19%   NO STOCK
OEM: 50832, Item: 1258548
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front Right

Infiniti QX4 Catalytic Converter, OEM: 49321
2001-2003 Infiniti QX4 Magnaflow Catalytic Converter 49321
Add for Price, Save 19%   NO STOCK
OEM: 49321, Item: 1255380
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right