Dorman 674-319 Catalytic Converter with Integrated Exhaust Manifold - Rear

Overview of Dorman Catalytic Converter with Integrated Exhaust Manifold

The Dorman 674-319 catalytic converter with integrated exhaust manifold is designed for select BMW models, including the 128i, 323i, 328i, 328i xDrive, 328xi, X3, and X5. This natural-colored, stainless steel component combines the exhaust manifold and catalytic converter into a single unit, providing a streamlined solution for exhaust emissions control.

• Constructed from durable stainless steel for corrosion resistance
• Regular grade type with a 4-inch converter body length
• Flanged outlet type with one outlet and three round inlets
• Includes one sensor port for oxygen sensor installation
• Overall length of 21 inches with multiple mounting holes for secure fitment
• Compatible with specific BMW models for direct replacement
• Outlet mounting hardware included for installation convenience

Detailed Product Description

The Dorman 674-319 catalytic converter with integrated exhaust manifold is engineered to meet the exhaust and emission requirements of various BMW vehicles. Its stainless steel construction ensures long-lasting durability against heat and corrosion. The converter body length measures 4 inches, optimized for efficient catalytic activity. Featuring three round inlet ports and one flanged outlet, this part facilitates proper exhaust flow and emission reduction. The unit includes one sensor port to accommodate the oxygen sensor, essential for engine management and emissions monitoring. With an overall length of 21 inches and multiple inlet and outlet mounting holes, this component is designed for a secure and precise fit on compatible BMW models.

Common Applications and Issues Addressed

• Replacement of damaged or rusted exhaust manifolds and catalytic converters
• Restoring proper exhaust flow and reducing harmful emissions
• Resolving check engine light issues related to catalytic converter failure
• Improving engine performance affected by exhaust leaks or blockages
• Ensuring compliance with vehicle emission standards (note: this part is not CARB certified)

Installation Notes and Tips

When installing the Dorman 674-319 catalytic converter with integrated exhaust manifold, ensure all mounting surfaces are clean and free of debris. The part includes outlet mounting hardware but does not include inlet mounting hardware or outlet gaskets, so these may need to be sourced separately. Proper torque specifications should be followed to avoid exhaust leaks. The oxygen sensor should be installed in the provided sensor port to maintain accurate engine management system readings.

Quality Assurance and Warranty

Dorman manufactures this catalytic converter with integrated exhaust manifold to meet OEM standards for fit and function. The stainless steel construction provides resistance to corrosion and heat, contributing to the part's longevity. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts to ensure customer confidence in product quality.