Dorman 679-542 Catalytic Converter - Front
OE-Style Catalytic Converter Replacement
Dorman 679-542 is a specific-fit catalytic converter engineered to match original equipment fit and function on select Buick applications. It is built for the front position and uses a stainless steel body with a ceramic substrate for a direct replacement on 2010 Buick Allure and 2010-2011 Buick LaCrosse.
Compatible With 2010 Buick Allure, front and 2010-2011 Buick LaCrosse, front. Dorman 679-542 is a practical choice when you need a replacement catalytic converter that follows the factory layout and mounting style.
Key Features
- Specific-fit design for select Buick vehicles
- Stainless steel body with natural finish
- Ceramic substrate construction
- Flanged inlet and flanged outlet for OE-style connection points
- Heat shield attached
- Includes inlet and outlet gaskets and mounting hardware
- Front-position application
- Not CARB certified
Detailed Description
This catalytic converter is built as a standard replacement for the original unit on the listed Buick models. The round stainless steel body, flanged inlet and outlet, and OE-matched dimensions help support a straightforward replacement where the factory converter has failed or no longer meets emissions performance expectations. The Dorman 679-542 part number is also referenced for cross-application use with AP Exhaust 641564 and Eastern Catalytic 50577.
For search relevance, this part is commonly sought as a catalytic converter for 2010 Buick Allure front and 2010-2011 Buick LaCrosse front. If you are replacing a front catalytic converter on these vehicles, Dorman 679-542 provides the correct fitment profile for the listed applications.
What It Helps Address
- Failed catalytic converter efficiency codes
- Exhaust leaks at the converter connection points
- Rattling or damaged converter substrate
- Emissions-related drivability concerns tied to a worn converter
- Replacement needs after corrosion or heat damage
Installation Notes
Verify the vehicle year, model, and front-position fitment before installation. Confirm flange alignment, gasket surfaces, and exhaust mating points are clean and undamaged. Because this unit is not CARB certified, it is not intended for California-compliant applications.
Quality Assurance
Dorman states this converter is precision-engineered to match original equipment fit and function on specific vehicle years, makes, and models. The stainless steel construction, ceramic substrate, and included mounting components support a direct replacement approach for the listed Buick applications.
Dorman 679-542 Catalytic Converter - Front
OE-Style Catalytic Converter Replacement
Dorman 679-542 is a specific-fit catalytic converter engineered to match original equipment fit and function on select Buick applications. It is built for the front position and uses a stainless steel body with a ceramic substrate for a direct replacement on 2010 Buick Allure and 2010-2011 Buick LaCrosse.
Compatible With 2010 Buick Allure, front and 2010-2011 Buick LaCrosse, front. Dorman 679-542 is a practical choice when you need a replacement catalytic converter that follows the factory layout and mounting style.
Key Features
- Specific-fit design for select Buick vehicles
- Stainless steel body with natural finish
- Ceramic substrate construction
- Flanged inlet and flanged outlet for OE-style connection points
- Heat shield attached
- Includes inlet and outlet gaskets and mounting hardware
- Front-position application
- Not CARB certified
Detailed Description
This catalytic converter is built as a standard replacement for the original unit on the listed Buick models. The round stainless steel body, flanged inlet and outlet, and OE-matched dimensions help support a straightforward replacement where the factory converter has failed or no longer meets emissions performance expectations. The Dorman 679-542 part number is also referenced for cross-application use with AP Exhaust 641564 and Eastern Catalytic 50577.
For search relevance, this part is commonly sought as a catalytic converter for 2010 Buick Allure front and 2010-2011 Buick LaCrosse front. If you are replacing a front catalytic converter on these vehicles, Dorman 679-542 provides the correct fitment profile for the listed applications.
What It Helps Address
- Failed catalytic converter efficiency codes
- Exhaust leaks at the converter connection points
- Rattling or damaged converter substrate
- Emissions-related drivability concerns tied to a worn converter
- Replacement needs after corrosion or heat damage
Installation Notes
Verify the vehicle year, model, and front-position fitment before installation. Confirm flange alignment, gasket surfaces, and exhaust mating points are clean and undamaged. Because this unit is not CARB certified, it is not intended for California-compliant applications.
Quality Assurance
Dorman states this converter is precision-engineered to match original equipment fit and function on specific vehicle years, makes, and models. The stainless steel construction, ceramic substrate, and included mounting components support a direct replacement approach for the listed Buick applications.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
OE-Style Catalytic Converter Replacement
Dorman 679-542 is a specific-fit catalytic converter engineered to match original equipment fit and function on select Buick applications. It is built for the front position and uses a stainless steel body with a ceramic substrate for a direct replacement on 2010 Buick Allure and 2010-2011 Buick LaCrosse.
Compatible With 2010 Buick Allure, front and 2010-2011 Buick LaCrosse, front. Dorman 679-542 is a practical choice when you need a replacement catalytic converter that follows the factory layout and mounting style.
Key Features
- Specific-fit design for select Buick vehicles
- Stainless steel body with natural finish
- Ceramic substrate construction
- Flanged inlet and flanged outlet for OE-style connection points
- Heat shield attached
- Includes inlet and outlet gaskets and mounting hardware
- Front-position application
- Not CARB certified
Detailed Description
This catalytic converter is built as a standard replacement for the original unit on the listed Buick models. The round stainless steel body, flanged inlet and outlet, and OE-matched dimensions help support a straightforward replacement where the factory converter has failed or no longer meets emissions performance expectations. The Dorman 679-542 part number is also referenced for cross-application use with AP Exhaust 641564 and Eastern Catalytic 50577.
For search relevance, this part is commonly sought as a catalytic converter for 2010 Buick Allure front and 2010-2011 Buick LaCrosse front. If you are replacing a front catalytic converter on these vehicles, Dorman 679-542 provides the correct fitment profile for the listed applications.
What It Helps Address
- Failed catalytic converter efficiency codes
- Exhaust leaks at the converter connection points
- Rattling or damaged converter substrate
- Emissions-related drivability concerns tied to a worn converter
- Replacement needs after corrosion or heat damage
Installation Notes
Verify the vehicle year, model, and front-position fitment before installation. Confirm flange alignment, gasket surfaces, and exhaust mating points are clean and undamaged. Because this unit is not CARB certified, it is not intended for California-compliant applications.
Quality Assurance
Dorman states this converter is precision-engineered to match original equipment fit and function on specific vehicle years, makes, and models. The stainless steel construction, ceramic substrate, and included mounting components support a direct replacement approach for the listed Buick applications.
