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Dorman 679-537 Catalytic Converter - Rear
| Brand | Dorman 679-537 |
|---|---|
| Position | Rear |
| Outlet Outside Diameter | 5.11 |
| Mounting Hardware Included | Yes |
| Universal Or Specific Fit | Specific |
| Grade Type | Regular |
| Body Shape | Cylinder |
| Inlet Type | Flanged |
| Outlet Type | Flanged |
| Inlet Inside Diameter | 1.83 |
| Body Length | 7 |
| Body Width | 3.9 |
| Heat Shield Attached | No |
| Inlet Quantity | 1 |
| Body Material | Stainless steel |
| Outlet Inside Diameter | 3.72 |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Substrate Material | Ceramic |
| Inlet Mounting Hole Quantity | 2 |
| Inlet Gasket Included | No |
| Inlet Gasket Included | Yes |
| Inlet Mounting Hardware Included | Yes |
| Outlet Mounting Hole Quantity | 4 |
| Outlet Gasket Included | Yes |
| Outlet Mounting Hardware Included | Yes |
| Overall Length | 12.5 |
| Air Tube Count | 0 |
| Sensor Port Count | 1 |
| Color | Natural |
| Exhaust Manifold Inlet Port Shape | Round |
| Installation Hardware Included | Yes |
| Fits | Mazda · 13 vehicles |
Standard replacement. Matches original equipment fit and function for a reliable replacement.
Stainless steel body. Corrosion-resistant construction helps stand up to exhaust heat and wear.
Ceramic substrate. Engineered for efficient exhaust cleanup in a compact catalytic converter.
Cross-references Continental 49202 and CA0120600C for the same application. See all 2.
OE-Style Rear Catalytic Converter
This Dorman catalytic converter is a specific-fit replacement for select Mazda CX-9 and Mazda 6 rear exhaust applications. Built to match original equipment fit and function, Part Number 679-537 is a direct replacement for vehicles that need a rear converter with flanged inlet and outlet connections.
Compatible with 2007-2014 Mazda CX-9, rear, and 2009-2013 Mazda 6, rear, this converter uses a stainless steel body with a ceramic substrate for standard replacement service. Part Number 679-537 also includes the inlet and outlet gaskets and mounting hardware needed for the listed application.
Key Features
- Specific-fit catalytic converter for select Mazda rear exhaust systems
- Stainless steel body with ceramic substrate
- Flanged inlet and flanged outlet for OE-style connection points
- Single sensor port for the listed application
- Includes inlet gasket, outlet gasket, and mounting hardware
- Standard replacement grade for direct-fit service
Detailed Product Description
Dorman 679-537 is engineered as a direct replacement catalytic converter for the rear position on select Mazda CX-9 and Mazda 6 models. The cylinder-style body measures 7 inches in length with an overall length of 12.5 inches, and the natural-finish stainless steel construction is paired with a ceramic substrate for standard exhaust aftertreatment service. The flanged inlet and outlet design supports OE-style installation on the specified vehicles.
This part cross-references Continental 49202 for the same application. If you are replacing a worn or damaged rear catalytic converter on a 2007-2014 Mazda CX-9 or a 2009-2013 Mazda 6, Part Number 679-537 provides the correct fitment profile for those rear exhaust configurations.
Common Replacement Reasons
- Failed emissions test or catalyst efficiency fault
- Rattling or damaged converter substrate
- Exhaust leak at the flanged connection points
- Check engine light related to rear catalyst performance
- Corrosion or deterioration in the original rear converter assembly
Installation Notes and Tips
Verify the vehicle year, model, and rear position before installation. Confirm the flanged inlet and outlet dimensions, sensor port location, and gasket surfaces match the original exhaust layout on the Mazda CX-9 or Mazda 6. Use the included gaskets and mounting hardware during installation, and inspect adjoining exhaust components for wear or leakage before final assembly.
Quality Assurance
Dorman designs this catalytic converter to match original equipment fit and function on the listed vehicles. Part Number 679-537 is a specific-fit, standard replacement component intended for the rear exhaust position on the confirmed Mazda applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Mazda | CX-9 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2013 | Mazda | 6 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2013 | Mazda | CX-9 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2012 | Mazda | 6 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2012 | Mazda | CX-9 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2011 | Mazda | 6 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2011 | Mazda | CX-9 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2010 | Mazda | 6 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2010 | Mazda | CX-9 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2009 | Mazda | 6 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2009 | Mazda | CX-9 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2008 | Mazda | CX-9 | 3.7L | V6 | Rear | CARB Compliant: No |
| 2007 | Mazda | CX-9 | 3.5L | V6 | Rear | CARB Compliant: No |
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