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WalkerPart #: 83443
Walker 83443 Catalytic Converter - Left or Rear Left
⚙️ 11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦CalCat, Rear Left and Left
🚗Fitment: INFINITI and Nissan, Armada, Pathfinder Armada, QX56, and TITAN
🔄Easy Returns — Return within 60 days for a full refund
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Walker 83443 Catalytic Converter - Left or Rear Left
| Brand | Walker |
| Part Number | 83443 |
| Position | CalCat, Rear Left and Left |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Inlet Type | 2 bolt welded flange |
| Outlet Type | 2 bolt welded flange |
| Body Height | 4.02 |
| Body Height | 4.020 |
| Body Length | 8 |
| Body Length | 8.000 |
| Body Width | 4.02 |
| Body Width | 4.020 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 29.25 |
| Overall Length | 29.250 |
| Air Tube | No |
| Air Tube Count | No |
| Converter Quantity | 1 |
| Inlet 1 Type | 2 bolt welded flange |
| Inlet Type | 2 bolt welded flange |
| Max Year Covered | 2006 |
| Min Year Covered | 2004 |
| Most Popular Make / Model | Nissan titan |
| Most Popular Year | 2004 |
| Outlet 1 Outside Diameter | 2.245 |
| Outlet 1 Type | 2 bolt welded flange |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | INFINITI | QX56 | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 6NSXT05.6P9A; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat | |
| 2006 | Nissan | Armada | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 6NSXT05.6P9A; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat | |
| 2006 | Nissan | TITAN | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 6NSXT05.6P9A; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat | |
| 2006 | Nissan | TITAN | 4WD | 5.6L | V8 | Left | Engine Family Number (EFN) 6NSXT05.6M9B; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CARB Executive Order D-182-69; CalCat Colorado |
| 2005 | INFINITI | QX56 | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 5NSXT05.6P9A; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat | |
| 2005 | Nissan | Armada | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 5NSXT05.6P9A; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat | |
| 2005 | Nissan | TITAN | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 5NSXT05.6P9A; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat | |
| 2005 | Nissan | TITAN | 4WD | 5.6L | V8 | Left | Engine Family Number (EFN) 5NSXT05.6M9B; Not legal for sale or use in California. Legal for sale in other CARB-compliant states for use on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CARB Executive Order D-182-69; CalCat Colorado |
| 2004 | INFINITI | QX56 | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 4NSXT05.6P9B; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat | |
| 2004 | Nissan | Pathfinder Armada | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 4NSXT05.6P9B; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat | |
| 2004 | Nissan | TITAN | 5.6L | V8 | Rear Left | CARB Executive Order D-182-69; Engine Family Number (EFN) 4NSXT05.6P9B; Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details.; Additional part(s) needed to complete installation - 31576 and 31540; Direct Fit Type; CalCat |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.