Dorman 679-542 Pre-Converter - Not CARB Compliant

With stainless steel construction and ceramic substrate, the Dorman 679-542 catalytic converter provides flanged inlet and outlet connections for direct replacement functionality. Fits the 2010-2011 Buick LaCrosse, and the 2010 Buick Allure with the 3.6L V6. The assembly measures 9 inches in overall length with a 7-inch body height and 4-inch body length, featuring a natural metallic gray finish. Its 2.5-inch inlet diameter connects through a round port shape, while a 0.375-inch tube wall thickness provides structural strength. The converter includes one inlet and one oxygen sensor port to accommodate specific engine applications. Mounting hardware and gaskets are included, and the unit is manufactured in the United States with a 5-year warranty.

• Material: Stainless Steel
• Finish: Natural
• Inlet Type: Flanged
• Outlet Type: Flanged
• Inlet Inside Diameter: 2.5 in
• Body Height: 7 in
• Body Length: 4 in
• Body Width: 4 in
• Heat Shield Attached: Yes
• Inlet Quantity: 1
• Outlet Inside Diameter: 2.5 in
• Outlet Quantity: 1
• Substrate Material: Ceramic
• Outlet Outside Diameter: 4 in
• Application Type: Specific
• Grade Type: Standard Replacement
• Body Shape: Round
• Inlet Mounting Hole Quantity: 3
• Quantity: 5
• Overall Length: 9 in
• O2 Sensor Ports: 1
• Color: Metallic Gray
• CARB Certified: No
• Gasket Or Seal Included: Yes
• Inlet Port Shape: Round
• Installation Hardware Included: Yes
• Outlet Port Shape: Round
• Package Contents: 1 Catalytic Converter
• Tube Wall Thickness: 0.375 in
• California Air Resources Board Approved: No
• CARB Compliant: No
• Mounting Hardware Included: Yes
• Converter Body Length: 4 in