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Walker 81372 Catalytic Converter
| Brand | Walker 81372 |
|---|---|
| Mounting Hardware Included | No |
| Universal Or Specific Fit | Specific |
| Grade Type | Premium |
| Body Shape | Oval |
| Inlet Type | 2 bolt welded flange |
| Outlet Type | 2 bolt welded flange |
| Body Height | 3.250 |
| Body Length | 8.500 |
| Body Width | 6.500 |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | Yes |
| Overall Length | 14.70 |
| New York Certified | Yes |
| Clamp Qty | None |
| Inlet Gasket | Yes |
| Inlet Gasket Qty | 1 |
| Inlet Hardware | No |
| Inlet Outside Diameter | 2.120 |
| O2 Sensor Ports | None |
| Outlet Gasket | Yes |
| Outlet Gasket Qty | 1 |
| Outlet Hardware | No |
| Outlet Outside Diameter | 2.120 |
| Shape | Oval |
| Product line | CalCat |
| Fits | Mazda · 4 vehicles |
Direct-fit design. Built for a precise OE-style replacement with specific application coverage.
CARB certified. Validated to meet California emissions standards and listed for New York certification.
Stainless steel body. Oval housing with welded flange connections for a clean exhaust-system replacement.
Cross-references 3322684 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Overview
Walker CalCat 81372 is a direct-fit catalytic converter built for specific applications and engineered for an OE-style installation. It is CARB certified and validated to meet California emissions standards, with New York certification also listed for this part.
Fits 1990-1993 Mazda Miata, N/A. The Walker CalCat line focuses on direct-fit emissions replacement parts that match the original-style layout for cleaner installation and proper system integration.
Key Features
- Direct-fit catalytic converter with specific application coverage
- CARB certified for emissions compliance requirements
- Stainless steel body with an oval housing design
- 2-bolt welded flange inlet and outlet for OE-style connection points
- Includes inlet and outlet gaskets
- No O2 sensor ports
Detailed Description
Walker CalCat 81372 is a premium catalytic converter designed for a precise OE-style fit on the Mazda Miata. The oval stainless steel body, welded flange connections, and gasketed inlet and outlet help support a clean replacement path for the exhaust system while maintaining the original-style configuration. This part number, 81372, is part of Walker’s CalCat product line for emissions-focused replacement applications.
This part cross-references 3322684 for the same application.
Common Uses
- Replacing a failed catalytic converter that triggers emissions-related fault codes
- Restoring exhaust flow after substrate damage or internal restriction
- Addressing emissions test failure caused by converter inefficiency
- Replacing a rusted or leaking converter body or flange connection
Installation Notes
Verify flange style, inlet and outlet diameter, and overall length before installation. This converter uses welded 2-bolt flanges and does not include mounting hardware. Confirm that the vehicle application matches the listed fitment for the Mazda Miata before ordering. Part number 81372 should be matched to the emissions certification requirements for the vehicle.
Quality Assurance
Walker states this CalCat converter is designed, tested, and validated for compliance with CARB standards. It is also listed as New York certified and built as a direct-fit emissions replacement.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 1993 | Mazda | Miata | 1.6L | L4 | CalCat |
| 1992 | Mazda | Miata | 1.6L | L4 | CalCat |
| 1991 | Mazda | Miata | 1.6L | L4 | CalCat |
| 1990 | Mazda | Miata | 1.6L | L4 | CalCat |
| No rows match your filter. | |||||