Dorman 674-068 Catalytic Converter with Integrated Exhaust Manifold - Rear

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-068 catalytic converter with integrated exhaust manifold is designed for select Buick, Cadillac, Chevrolet, and GMC models. This natural-colored, stainless steel converter offers a reliable replacement option for vehicles like the Acadia, Blazer, Enclave, Traverse, Traverse Limited, and XT5.

• Constructed from durable stainless steel for corrosion resistance
• Regular grade type with a 4-inch converter body length
• Flanged outlet type with one inlet and one outlet
• Includes one sensor port for oxygen sensor installation
• Oval-shaped inlet port with four mounting holes
• Includes inlet gasket and outlet mounting hardware
• Overall length of 14 inches for proper fitment

Detailed Product Description

The Dorman 674-068 catalytic converter integrates the exhaust manifold and converter body into a single unit, simplifying replacement and ensuring proper exhaust flow. Its stainless steel construction provides durability and resistance to heat and corrosion, essential for long-term performance. The converter features a 4-inch body length and a flanged outlet, designed to match the original equipment specifications. With one inlet and one outlet, it fits vehicles requiring a single exhaust path. The oval inlet port with four mounting holes ensures secure attachment, while the included inlet gasket helps maintain a proper seal. The outlet side includes two mounting holes and comes with the necessary hardware for installation. Additionally, the converter has one sensor port to accommodate the oxygen sensor, maintaining emissions monitoring functionality.

Compatible Vehicles and Applications

• Buick Acadia
• Cadillac XT5
• Chevrolet Blazer
• GMC Enclave
• Chevrolet Traverse and Traverse Limited

This catalytic converter with integrated exhaust manifold is intended for use in exhaust system repairs where the original manifold and converter are combined. It addresses issues related to exhaust leaks, poor emissions performance, and check engine light triggers related to catalytic converter failure.

Common Issues Addressed by This Part

• Exhaust leaks caused by cracked or damaged manifolds
• Failed catalytic converter leading to increased emissions
• Check engine light due to oxygen sensor or converter malfunction
• Reduced engine performance from exhaust restrictions
• Noise from damaged or deteriorated exhaust components

Installation Notes and Tips

When installing the Dorman 674-068 catalytic converter, ensure the mating surfaces are clean and free of debris to achieve a proper seal with the included inlet gasket. The oval inlet port with four mounting holes requires careful alignment to avoid exhaust leaks. Use the provided outlet mounting hardware to secure the flanged outlet connection. Since inlet mounting hardware is not included, reuse original hardware or acquire appropriate replacements. Verify oxygen sensor placement in the provided sensor port to maintain emissions system functionality.

Quality Assurance and Warranty

Dorman catalytic converters are manufactured to meet or exceed OEM specifications for fit and function. This part is constructed from stainless steel to resist corrosion and withstand high temperatures. Note that this catalytic converter is not California Air Resources Board (CARB) certified and does not carry a CARB executive order number. Warranty coverage details should be confirmed with the distributor or manufacturer.