Dorman 673-931 Catalytic Converter with Integrated Exhaust Manifold - Left

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 673-931 catalytic converter with integrated exhaust manifold is designed specifically for Cadillac STS models. This natural-colored, cast iron converter meets California Air Resources Board (CARB) standards, ensuring compliance with emissions regulations.

• Compatible with Cadillac STS vehicles
• CARB certified with Executive Order Number D-665-17
• Constructed from durable cast iron converter body
• Includes inlet gasket and outlet flange for proper sealing
• Features 10 outlet mounting holes for secure installation
• Round inlet port shape for precise fitment

Product Details and Specifications

The Dorman 673-931 catalytic converter combines the exhaust manifold and catalytic converter into a single unit, simplifying replacement and improving exhaust flow. Its cast iron construction provides strength and heat resistance, essential for long-term durability. The natural finish maintains the integrity of the material without unnecessary coatings. This part includes an inlet gasket and output flange, along with mounting hardware such as nuts and studs, to facilitate installation. The 10 outlet mounting holes ensure a secure connection to the exhaust system, while the round inlet port matches the original equipment specifications for the Cadillac STS.

Applications and Problem Resolution

• Replaces faulty or damaged catalytic converter and exhaust manifold assembly
• Restores proper emissions control to meet CARB requirements
• Eliminates exhaust leaks caused by manifold cracks or gasket failure
• Improves engine performance by ensuring efficient exhaust flow
• Addresses check engine light issues related to catalytic converter malfunction

Installation Notes and Tips

When installing the Dorman 673-931 catalytic converter with integrated exhaust manifold on a Cadillac STS, ensure all old gaskets and mounting surfaces are thoroughly cleaned. Use the included inlet gasket and output flange to achieve a proper seal. Tighten mounting hardware evenly to prevent exhaust leaks. It is recommended to inspect related exhaust components for wear during installation to maintain system integrity.

Quality Assurance and Certification

This catalytic converter assembly is CARB certified under Executive Order Number D-665-17, confirming its compliance with California emissions standards. Manufactured with cast iron for durability, the part is designed to meet or exceed OEM specifications for the Cadillac STS. Warranty details should be confirmed with the distributor or manufacturer.