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Walker
CalCatWalker 84370 Catalytic Converter
| Brand | Walker 84370 |
|---|---|
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Universal |
| Grade Type | Regular |
| Body Shape | Round |
| Body Height | 4.125 |
| Body Length | 8 |
| Body Length | 8.000 |
| Body Width | 4.125 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Substrate Material | Ceramic |
| Overall Length | 45.5 |
| Overall Length | 45.500 |
| Air Tube | No |
| Air Tube Count | No |
| Converter Quantity | 2 |
| Inlet 1 Type | 2 bolt welded flange |
| Inlet Type | 2 bolt welded flange |
| Max Year Covered | 2012 |
| Min Year Covered | 2005 |
| Most Popular Make / Model | Toyota tacoma |
| Most Popular Year | 2006 |
| Outlet 1 Type | 2 bolt welded flange |
| Outlet Type | 2 bolt welded flange |
| Oxygen Sensor Location | Post catalyst |
| Product Grade | Economy |
| Substrate Material | Ceramic |
| Total Part VIO | 298083 |
| Product line | CalCat |
| Fits | Toyota · 10 vehicles |
CARB certified. Built for regulated emissions applications with compliance-focused validation.
Direct-fit design. OE-style replacement geometry for a precise exhaust system fit.
Stainless steel body. Corrosion-resistant housing paired with a ceramic substrate.
Cross-references MagnaFlow Exhaust Products 5411028 for the same application. See all 1.
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CARB-Compliant Direct-Fit Converter
Walker CalCat 84370 is a direct-fit catalytic converter for Toyota Tacoma applications from 2005-2012. It is built for CARB-compliant replacement needs and follows an OE-style fit for straightforward exhaust service.
- Fits 2005 Toyota Tacoma, N/A.
- Fits 2006 Toyota Tacoma, N/A.
- Fits 2007 Toyota Tacoma, N/A.
- Fits 2008 Toyota Tacoma, N/A.
- Fits 2009 Toyota Tacoma, N/A.
- Fits 2010 Toyota Tacoma, N/A.
- Fits 2011 Toyota Tacoma, N/A.
- Fits 2012 Toyota Tacoma, N/A.
Key Features
- Walker CalCat direct-fit design for OE-style exhaust replacement.
- CARB certified for use in California and other CARB-regulated states.
- Stainless steel body with a ceramic substrate.
- Round converter body with welded 2-bolt flange inlet and outlet connections.
- Post-catalyst oxygen sensor location.
Detailed Description
This Walker 84370 catalytic converter is engineered for Toyota Tacoma fitment across the 2005-2012 model years listed in the application data. The CalCat line focuses on direct-fit replacement converters that match OE-style installation geometry while meeting CARB standards for regulated markets. The stainless steel housing and ceramic substrate support exhaust system durability and emissions control performance in a universal direct-fit format.
This part cross-references MagnaFlow Exhaust Products 5411028 for the same application.
Common Replacement Issues
- Failed emissions testing due to a worn or non-compliant converter.
- Check engine light concerns related to catalyst efficiency.
- Exhaust leakage at flange connections or converter joints.
- Corrosion or internal substrate breakdown in the original converter.
Installation Notes
Fitment notes specify direct-fit installation and recommend exhaust gaskets. Additional parts listed for installation completion are 31639 and 31585. Verify the engine family number and CARB Executive Order details before installation to confirm the correct application for your Toyota Tacoma.
Quality Assurance
Walker CalCat converters are designed, tested, and validated to meet CARB compliance requirements and deliver a precise OE-style fit.
This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2012 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) CTYXT02.7AEH; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2012 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) CTYXT02.7AEP; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2011 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) BTYXT02.7AEP; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2011 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) BTYXT02.7AEH; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2010 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) ATYXT02.7AEH; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2009 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) 9TYXT02.7AEH; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2008 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) 8TYXT02.7AEH; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2007 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) 7TYXT02.7AEH; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2006 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) 6TYXT02.7NHH; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
| 2005 | Toyota | Tacoma | 2.7L | L4 | CARB Executive Order D-182-73; Engine Family Number (EFN) 5TYXT02.7NHH; 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.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31639 and 31585; Direct Fit Type; CalCat |
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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 — 5411028