Dorman 672-978 Catalytic Converter with Integrated Exhaust Manifold - Right
OE-Style Manifold Converter Replacement
Dorman 672-978 is a catalytic converter with integrated exhaust manifold for specific right-side applications on the 2005-2009 Lexus GX470 and 2005-2009 Toyota 4Runner. It is built as a direct-fit, standard replacement for vehicles that need a manifold converter matched to the original equipment layout.
With stainless steel construction, a ceramic substrate, and an attached heat shield, this one-piece assembly is engineered for the exhaust side of the engine where the manifold and converter are combined. Dorman 672-978 is CARB certified and uses flanged inlet and outlet connections for a specific fit.
- Fits 2005-2009 Lexus GX470, right
- Fits 2005-2009 Toyota 4Runner, right
- Integrated catalytic converter and exhaust manifold design
- Stainless steel body with uncoated finish
- Ceramic substrate for emissions control
- Heat shield attached
- CARB certified for listed applications
- Flanged inlet and outlet connections
- Specific-fit replacement for OE-style installation
Detailed Product Overview
This manifold converter is precision-engineered to match the original equipment configuration on the listed Lexus GX470 and Toyota 4Runner applications. The round body measures 6.7 inches in length and 6.7 inches in height, with a 9.9-inch body width, and the stainless steel construction is paired with a ceramic substrate to support exhaust flow and emissions treatment in the factory location. Dorman 672-978 is a direct replacement for the right-side exhaust manifold converter assembly and is identified by part number 672-978.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Problems This Part Addresses
- Failed catalytic converter efficiency on the right side
- Cracked or leaking exhaust manifold converter assembly
- Exhaust odor or emissions-related fault codes tied to the manifold converter
- Corrosion or heat damage in the original exhaust manifold housing
- Fitment issues when replacing a factory integrated manifold converter
Installation Notes and Tips
Verify the vehicle year, make, model, and right-side position before installation. This assembly uses flanged inlet and outlet connections and includes an inlet gasket; inlet mounting hardware is not included. Confirm exhaust flange condition, gasket surfaces, and sensor or pipe clearance before final tightening. Because this is a specific-fit manifold converter, compare the original unit to Dorman 672-978 before installation.
Quality Assurance
Dorman manufactures this catalytic converter with integrated exhaust manifold as a standard replacement part for the listed OE-style applications. CARB certification is noted for the covered Lexus GX470 and Toyota 4Runner fitments, supporting emissions compliance where required.
Original: $1,408.18
-65%$1,408.18
$492.86Dorman 672-978 Catalytic Converter with Integrated Exhaust Manifold - Right
OE-Style Manifold Converter Replacement
Dorman 672-978 is a catalytic converter with integrated exhaust manifold for specific right-side applications on the 2005-2009 Lexus GX470 and 2005-2009 Toyota 4Runner. It is built as a direct-fit, standard replacement for vehicles that need a manifold converter matched to the original equipment layout.
With stainless steel construction, a ceramic substrate, and an attached heat shield, this one-piece assembly is engineered for the exhaust side of the engine where the manifold and converter are combined. Dorman 672-978 is CARB certified and uses flanged inlet and outlet connections for a specific fit.
- Fits 2005-2009 Lexus GX470, right
- Fits 2005-2009 Toyota 4Runner, right
- Integrated catalytic converter and exhaust manifold design
- Stainless steel body with uncoated finish
- Ceramic substrate for emissions control
- Heat shield attached
- CARB certified for listed applications
- Flanged inlet and outlet connections
- Specific-fit replacement for OE-style installation
Detailed Product Overview
This manifold converter is precision-engineered to match the original equipment configuration on the listed Lexus GX470 and Toyota 4Runner applications. The round body measures 6.7 inches in length and 6.7 inches in height, with a 9.9-inch body width, and the stainless steel construction is paired with a ceramic substrate to support exhaust flow and emissions treatment in the factory location. Dorman 672-978 is a direct replacement for the right-side exhaust manifold converter assembly and is identified by part number 672-978.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Problems This Part Addresses
- Failed catalytic converter efficiency on the right side
- Cracked or leaking exhaust manifold converter assembly
- Exhaust odor or emissions-related fault codes tied to the manifold converter
- Corrosion or heat damage in the original exhaust manifold housing
- Fitment issues when replacing a factory integrated manifold converter
Installation Notes and Tips
Verify the vehicle year, make, model, and right-side position before installation. This assembly uses flanged inlet and outlet connections and includes an inlet gasket; inlet mounting hardware is not included. Confirm exhaust flange condition, gasket surfaces, and sensor or pipe clearance before final tightening. Because this is a specific-fit manifold converter, compare the original unit to Dorman 672-978 before installation.
Quality Assurance
Dorman manufactures this catalytic converter with integrated exhaust manifold as a standard replacement part for the listed OE-style applications. CARB certification is noted for the covered Lexus GX470 and Toyota 4Runner fitments, supporting emissions compliance where required.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
OE-Style Manifold Converter Replacement
Dorman 672-978 is a catalytic converter with integrated exhaust manifold for specific right-side applications on the 2005-2009 Lexus GX470 and 2005-2009 Toyota 4Runner. It is built as a direct-fit, standard replacement for vehicles that need a manifold converter matched to the original equipment layout.
With stainless steel construction, a ceramic substrate, and an attached heat shield, this one-piece assembly is engineered for the exhaust side of the engine where the manifold and converter are combined. Dorman 672-978 is CARB certified and uses flanged inlet and outlet connections for a specific fit.
- Fits 2005-2009 Lexus GX470, right
- Fits 2005-2009 Toyota 4Runner, right
- Integrated catalytic converter and exhaust manifold design
- Stainless steel body with uncoated finish
- Ceramic substrate for emissions control
- Heat shield attached
- CARB certified for listed applications
- Flanged inlet and outlet connections
- Specific-fit replacement for OE-style installation
Detailed Product Overview
This manifold converter is precision-engineered to match the original equipment configuration on the listed Lexus GX470 and Toyota 4Runner applications. The round body measures 6.7 inches in length and 6.7 inches in height, with a 9.9-inch body width, and the stainless steel construction is paired with a ceramic substrate to support exhaust flow and emissions treatment in the factory location. Dorman 672-978 is a direct replacement for the right-side exhaust manifold converter assembly and is identified by part number 672-978.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Problems This Part Addresses
- Failed catalytic converter efficiency on the right side
- Cracked or leaking exhaust manifold converter assembly
- Exhaust odor or emissions-related fault codes tied to the manifold converter
- Corrosion or heat damage in the original exhaust manifold housing
- Fitment issues when replacing a factory integrated manifold converter
Installation Notes and Tips
Verify the vehicle year, make, model, and right-side position before installation. This assembly uses flanged inlet and outlet connections and includes an inlet gasket; inlet mounting hardware is not included. Confirm exhaust flange condition, gasket surfaces, and sensor or pipe clearance before final tightening. Because this is a specific-fit manifold converter, compare the original unit to Dorman 672-978 before installation.
Quality Assurance
Dorman manufactures this catalytic converter with integrated exhaust manifold as a standard replacement part for the listed OE-style applications. CARB certification is noted for the covered Lexus GX470 and Toyota 4Runner fitments, supporting emissions compliance where required.
