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Walker
CalCatWalker 81795 Catalytic Converter - Front Left
| Brand | Walker 81795 |
|---|---|
| Position | Front Left |
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Round |
| Inlet Type | 3 bolt welded flange |
| Outlet Type | 3 bolt welded flange |
| Body Height | 4 |
| Body Height | 4.000 |
| Body Length | 7 |
| Body Length | 7.000 |
| Body Width | 4 |
| Body Width | 4.000 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 12.5 |
| Overall Length | 12.500 |
| Air Tube | No |
| Air Tube Count | No |
| 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 | 2 |
| Outlet 1 Outside Diameter | 2.000 |
| Product line | CalCat |
| Fits | Nissan · 19 vehicles |
CARB certified. Validated to meet California emissions standards.
Direct-fit design. Delivers a precise OE-style fit for easier installation.
Stainless steel body. Helps resist corrosion in demanding exhaust conditions.
Cross-references MagnaFlow Exhaust Products 447196 for the same application. See all 1.
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Walker CalCat Direct-Fit Catalytic Converter
Walker CalCat Part Number 81795 is a direct-fit catalytic converter built for specific Nissan applications from 1999-2004. It is CARB certified and engineered for an OE-style fit on the front left position, making it a focused replacement for emissions-related repairs on Nissan Frontier and Nissan Xterra models.
Key Features
- Direct-fit design for specific Nissan Frontier and Nissan Xterra applications
- CARB certified for use in California and other CARB-compliant states where listed
- Stainless steel body with a ceramic substrate
- 3-bolt welded flange inlet and outlet for a precise connection
- Round converter body with OE-style dimensions
- Pre-catalyst oxygen sensor location
- Walker CalCat product line for direct replacement emissions service
Product Details
Walker CalCat 81795 is designed, tested, and validated to meet CARB standards for the listed applications. The converter uses a stainless steel housing and ceramic substrate to support emissions control performance while maintaining a direct-fit layout. This part is listed for front left installation on 1999-2004 Nissan Frontier and 1999-2004 Nissan Xterra applications, with fitment varying by engine family and state emissions requirements.
This part cross-references MagnaFlow Exhaust Products 447196 for the same application.
What This Part Helps Address
- Failed catalytic converter emissions testing
- Check engine light concerns related to catalyst efficiency
- Restricted exhaust flow from a worn converter
- CARB compliance needs for regulated-state replacement service
- Direct replacement needs on Nissan Frontier and Nissan Xterra front left exhaust positions
Installation Notes
Fits 1999-2004 Nissan Frontier, front left. Fits 1999-2004 Nissan Xterra, front left. Some applications require additional parts to complete installation, and certain 2000 and 1999 listings note an exhaust gasket recommendation. Manifold is not included. Verify the engine family number and state emissions rules before installation, especially for California and other CARB-regulated markets.
Quality Assurance
Walker CalCat converters are designed, tested, and validated for CARB compliance on the listed applications. Part Number 81795 is built as a direct-fit replacement to support proper emissions-system service on approved Nissan Frontier and Nissan Xterra vehicles.
This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 4NSXT03.3M6B; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2004 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 4NSXT03.5M7A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2004 | Nissan | Xterra | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 4NSXT03.3M6B; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2004 | Nissan | Xterra | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 4NSXT03.5M7A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2003 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 3NSXT03.3C6A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2003 | Nissan | Xterra | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 3NSXT03.3C6A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2002 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 2NSXT03.3C5A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2002 | Nissan | Xterra | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 2NSXT03.3C5A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2001 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.3C5B; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2001 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.5C9A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2001 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.3C5A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2001 | Nissan | Xterra | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.5C9A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2001 | Nissan | Xterra | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) 1NSXT03.3C5A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2000 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) YNSXT03.335A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2000 | Nissan | Frontier | 3.3L | V6 | Front Left | Engine Family Number (EFN) YNSXT03.3A5A; 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: 2 of 31559; Direct Fit Type; CARB Executive Order D-182-52; CalCat Colorado |
| 2000 | Nissan | Xterra | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) YNSXT03.335A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 2000 | Nissan | Xterra | 3.3L | V6 | Front Left | Engine Family Number (EFN) YNSXT03.3A5A; 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: 2 of 31559; Direct Fit Type; CARB Executive Order D-182-52; CalCat Colorado |
| 1999 | Nissan | Frontier | 3.3L | V6 | Front Left | CARB Executive Order D-182-52; Engine Family Number (EFN) XNSXT03.335A; Manifold Not Included; 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: 2 of 31559; Direct Fit Type; CalCat |
| 1999 | Nissan | Frontier | 3.3L | V6 | Front Left | Engine Family Number (EFN) XNSXT03.3A5A; 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: 2 of 31559; Direct Fit Type; CARB Executive Order D-182-52; CalCat Colorado |
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Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
MagnaFlow Exhaust Products — 447196