Dorman 678-504 Catalytic Converter - Front
OE-Style Front Catalytic Converter
This Dorman catalytic converter is a specific-fit replacement for select front exhaust applications on the 1999-2001 INFINITI I30 and 1999-2001 Nissan Maxima. Built to match original equipment fit and function, Dorman 678-504 is CARB compliant and uses a ceramic substrate in a stainless steel body for a direct replacement on the listed vehicles.
Key Features
- Specific-fit catalytic converter for listed applications
- Fits 1999-2001 INFINITI I30, front
- Fits 1999-2001 Nissan Maxima, front
- CARB certified and CARB compliant
- New York certified for regulated applications
- Stainless steel body with ceramic substrate
- Flanged inlet and flanged outlet for OE-style connection points
- Heat shield attached for factory-style packaging
- Includes inlet gasket, outlet gasket, and mounting hardware for the outlet side
Detailed Description
Dorman 678-504 is engineered as a standard replacement catalytic converter for specific front exhaust locations on the INFINITI I30 and Nissan Maxima. The cylinder-style converter measures 10.5 inches overall length with a 4-inch body length, 4-inch body width, and 8-inch body height, and it uses a flanged inlet and outlet to match the original exhaust connection style. The unit also includes a heat shield, one sensor port, and a ceramic substrate inside a stainless steel housing for a direct-fit repair on the listed vehicles.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Problems This Part Can Address
- Failed emissions testing due to a worn or damaged catalytic converter
- Check engine light concerns related to converter efficiency
- Exhaust leaks at the converter flange connections
- Restricted exhaust flow from a deteriorated substrate
- Noise or heat shielding issues at the front exhaust section
Installation Notes and Tips
Verify the vehicle year, make, model, and front position before installation. Confirm flange alignment, gasket surfaces, and sensor port placement against the original converter before tightening hardware. Because this is a CARB-compliant replacement, it is intended for the listed regulated applications only, including 1999-2001 INFINITI I30 and 1999-2001 Nissan Maxima front exhaust positions.
Quality Assurance
Dorman positions this converter as an OE-style replacement built to match original equipment fit and function on the specified vehicles. Part number 678-504 is CARB certified, CARB compliant, and New York certified for the applications shown.
Original: $503.94
-65%$503.94
$176.38Dorman 678-504 Catalytic Converter - Front
OE-Style Front Catalytic Converter
This Dorman catalytic converter is a specific-fit replacement for select front exhaust applications on the 1999-2001 INFINITI I30 and 1999-2001 Nissan Maxima. Built to match original equipment fit and function, Dorman 678-504 is CARB compliant and uses a ceramic substrate in a stainless steel body for a direct replacement on the listed vehicles.
Key Features
- Specific-fit catalytic converter for listed applications
- Fits 1999-2001 INFINITI I30, front
- Fits 1999-2001 Nissan Maxima, front
- CARB certified and CARB compliant
- New York certified for regulated applications
- Stainless steel body with ceramic substrate
- Flanged inlet and flanged outlet for OE-style connection points
- Heat shield attached for factory-style packaging
- Includes inlet gasket, outlet gasket, and mounting hardware for the outlet side
Detailed Description
Dorman 678-504 is engineered as a standard replacement catalytic converter for specific front exhaust locations on the INFINITI I30 and Nissan Maxima. The cylinder-style converter measures 10.5 inches overall length with a 4-inch body length, 4-inch body width, and 8-inch body height, and it uses a flanged inlet and outlet to match the original exhaust connection style. The unit also includes a heat shield, one sensor port, and a ceramic substrate inside a stainless steel housing for a direct-fit repair on the listed vehicles.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Problems This Part Can Address
- Failed emissions testing due to a worn or damaged catalytic converter
- Check engine light concerns related to converter efficiency
- Exhaust leaks at the converter flange connections
- Restricted exhaust flow from a deteriorated substrate
- Noise or heat shielding issues at the front exhaust section
Installation Notes and Tips
Verify the vehicle year, make, model, and front position before installation. Confirm flange alignment, gasket surfaces, and sensor port placement against the original converter before tightening hardware. Because this is a CARB-compliant replacement, it is intended for the listed regulated applications only, including 1999-2001 INFINITI I30 and 1999-2001 Nissan Maxima front exhaust positions.
Quality Assurance
Dorman positions this converter as an OE-style replacement built to match original equipment fit and function on the specified vehicles. Part number 678-504 is CARB certified, CARB compliant, and New York certified for the applications shown.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
OE-Style Front Catalytic Converter
This Dorman catalytic converter is a specific-fit replacement for select front exhaust applications on the 1999-2001 INFINITI I30 and 1999-2001 Nissan Maxima. Built to match original equipment fit and function, Dorman 678-504 is CARB compliant and uses a ceramic substrate in a stainless steel body for a direct replacement on the listed vehicles.
Key Features
- Specific-fit catalytic converter for listed applications
- Fits 1999-2001 INFINITI I30, front
- Fits 1999-2001 Nissan Maxima, front
- CARB certified and CARB compliant
- New York certified for regulated applications
- Stainless steel body with ceramic substrate
- Flanged inlet and flanged outlet for OE-style connection points
- Heat shield attached for factory-style packaging
- Includes inlet gasket, outlet gasket, and mounting hardware for the outlet side
Detailed Description
Dorman 678-504 is engineered as a standard replacement catalytic converter for specific front exhaust locations on the INFINITI I30 and Nissan Maxima. The cylinder-style converter measures 10.5 inches overall length with a 4-inch body length, 4-inch body width, and 8-inch body height, and it uses a flanged inlet and outlet to match the original exhaust connection style. The unit also includes a heat shield, one sensor port, and a ceramic substrate inside a stainless steel housing for a direct-fit repair on the listed vehicles.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Problems This Part Can Address
- Failed emissions testing due to a worn or damaged catalytic converter
- Check engine light concerns related to converter efficiency
- Exhaust leaks at the converter flange connections
- Restricted exhaust flow from a deteriorated substrate
- Noise or heat shielding issues at the front exhaust section
Installation Notes and Tips
Verify the vehicle year, make, model, and front position before installation. Confirm flange alignment, gasket surfaces, and sensor port placement against the original converter before tightening hardware. Because this is a CARB-compliant replacement, it is intended for the listed regulated applications only, including 1999-2001 INFINITI I30 and 1999-2001 Nissan Maxima front exhaust positions.
Quality Assurance
Dorman positions this converter as an OE-style replacement built to match original equipment fit and function on the specified vehicles. Part number 678-504 is CARB certified, CARB compliant, and New York certified for the applications shown.
