
Dorman 672-9591 Catalytic Converter with Integrated Exhaust Manifold
OE-Style Manifold Converter Replacement
Dorman 672-9591 is a catalytic converter with integrated exhaust manifold built for specific Nissan applications. It is engineered to match original equipment fit and function for 2002-2006 Nissan Altima and 2002-2006 Nissan Sentra models with CARB-compliant requirements.
- Integrated exhaust manifold and catalytic converter in a one-piece design
- Flanged inlet and outlet connections for OE-style mounting
- Ceramic substrate material with stainless steel converter body
- CARB certified and CARB compliant, with Executive Order D-798-9
- New York certified for regulated emissions applications
- Includes inlet gasket, outlet gasket, studs, springs, and bolts
- Sensor port count: 1
Fitment Details
Fits 2002-2006 Nissan Altima, N/A. Fits 2002-2006 Nissan Sentra, N/A. This Dorman 672-9591 manifold converter is also cross-referenced to 140029J30B for the same application.
What This Part Helps Address
- Failed catalytic converter efficiency codes
- Exhaust leaks at the manifold-to-pipe connection
- Cracked or deteriorated integrated manifold assemblies
- Emissions test failures related to converter performance
- Noise from a damaged exhaust manifold or flange sealing surface
Installation Notes
Verify vehicle year, make, model, and emissions certification before ordering. This unit uses flanged inlet and outlet connections and is supplied with gaskets and mounting hardware for the listed application. Confirm sensor port location and exhaust flange alignment against the original part before installation.
Quality Assurance
Dorman designs this manifold converter to match original equipment specifications for the listed Nissan applications. The unit is CARB certified, CARB compliant, and New York certified, with Executive Order D-798-9 for regulated-use verification.
Original: $970.88
-65%$970.88
$339.81Dorman 672-9591 Catalytic Converter with Integrated Exhaust Manifold
OE-Style Manifold Converter Replacement
Dorman 672-9591 is a catalytic converter with integrated exhaust manifold built for specific Nissan applications. It is engineered to match original equipment fit and function for 2002-2006 Nissan Altima and 2002-2006 Nissan Sentra models with CARB-compliant requirements.
- Integrated exhaust manifold and catalytic converter in a one-piece design
- Flanged inlet and outlet connections for OE-style mounting
- Ceramic substrate material with stainless steel converter body
- CARB certified and CARB compliant, with Executive Order D-798-9
- New York certified for regulated emissions applications
- Includes inlet gasket, outlet gasket, studs, springs, and bolts
- Sensor port count: 1
Fitment Details
Fits 2002-2006 Nissan Altima, N/A. Fits 2002-2006 Nissan Sentra, N/A. This Dorman 672-9591 manifold converter is also cross-referenced to 140029J30B for the same application.
What This Part Helps Address
- Failed catalytic converter efficiency codes
- Exhaust leaks at the manifold-to-pipe connection
- Cracked or deteriorated integrated manifold assemblies
- Emissions test failures related to converter performance
- Noise from a damaged exhaust manifold or flange sealing surface
Installation Notes
Verify vehicle year, make, model, and emissions certification before ordering. This unit uses flanged inlet and outlet connections and is supplied with gaskets and mounting hardware for the listed application. Confirm sensor port location and exhaust flange alignment against the original part before installation.
Quality Assurance
Dorman designs this manifold converter to match original equipment specifications for the listed Nissan applications. The unit is CARB certified, CARB compliant, and New York certified, with Executive Order D-798-9 for regulated-use verification.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
OE-Style Manifold Converter Replacement
Dorman 672-9591 is a catalytic converter with integrated exhaust manifold built for specific Nissan applications. It is engineered to match original equipment fit and function for 2002-2006 Nissan Altima and 2002-2006 Nissan Sentra models with CARB-compliant requirements.
- Integrated exhaust manifold and catalytic converter in a one-piece design
- Flanged inlet and outlet connections for OE-style mounting
- Ceramic substrate material with stainless steel converter body
- CARB certified and CARB compliant, with Executive Order D-798-9
- New York certified for regulated emissions applications
- Includes inlet gasket, outlet gasket, studs, springs, and bolts
- Sensor port count: 1
Fitment Details
Fits 2002-2006 Nissan Altima, N/A. Fits 2002-2006 Nissan Sentra, N/A. This Dorman 672-9591 manifold converter is also cross-referenced to 140029J30B for the same application.
What This Part Helps Address
- Failed catalytic converter efficiency codes
- Exhaust leaks at the manifold-to-pipe connection
- Cracked or deteriorated integrated manifold assemblies
- Emissions test failures related to converter performance
- Noise from a damaged exhaust manifold or flange sealing surface
Installation Notes
Verify vehicle year, make, model, and emissions certification before ordering. This unit uses flanged inlet and outlet connections and is supplied with gaskets and mounting hardware for the listed application. Confirm sensor port location and exhaust flange alignment against the original part before installation.
Quality Assurance
Dorman designs this manifold converter to match original equipment specifications for the listed Nissan applications. The unit is CARB certified, CARB compliant, and New York certified, with Executive Order D-798-9 for regulated-use verification.












