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WalkerPart #: 81940
Walker 81940 Catalytic Converter - Rear Right
16 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 Right
Fitment: Nissan, Frontier and Xterra
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Walker 81940 Catalytic Converter - Rear Right
| Brand | Walker |
|---|---|
| Part Number | 81940 |
| Position | CalCat, Rear Right |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Large oval |
| Inlet Type | 3 bolt welded flange |
| Outlet Type | 2 bolt welded flange |
| Body Height | 4 |
| Body Height | 4.000 |
| Body Length | 8.5 |
| Body Length | 8.500 |
| Body Width | 6 |
| Body Width | 6.000 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 27 |
| Overall Length | 27.000 |
| Air Tube | No |
| Air Tube Count | No |
| Body Shape | Large oval |
| Converter Quantity | 1 |
| Inlet 1 Type | 3 bolt welded flange |
| Inlet Type | 3 bolt welded flange |
| Max Year Covered | 2004 |
| Min Year Covered | 1999 |
| Most Popular Make / Model | Nissan frontier |
| Most Popular Year | 2004 |
| Outlet 1 Outside Diameter | 1.995 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 4NSXT03.3M6B; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2004 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 4NSXT03.5M7A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2004 | Nissan | Xterra | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 4NSXT03.3M6B; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2004 | Nissan | Xterra | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 4NSXT03.5M7A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2003 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 3NSXT03.3C6A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2003 | Nissan | Xterra | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 3NSXT03.3C6A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2002 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 2NSXT03.3C5A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2002 | Nissan | Xterra | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 2NSXT03.3C5A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2001 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.3C5A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2001 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.5C9A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2001 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.3C5B; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2001 | Nissan | Xterra | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.5C9A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2001 | Nissan | Xterra | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.3C5A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2000 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) YNSXT03.335A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 2000 | Nissan | Xterra | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) YNSXT03.335A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
| 1999 | Nissan | Frontier | 3.3L | V6 | Rear Right | CARB Executive Order D-182-52; Engine Family Number (EFN) XNSXT03.335A; 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 - 31559 and 31311; Direct Fit Type; CalCat |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.