Dorman 673-841 Catalytic Converter with Integrated Exhaust Manifold

Dorman 673-841 Catalytic Converter Manifold

Dorman 673-841 is a catalytic converter with integrated exhaust manifold built for specific Chevrolet and Saturn applications. It is a direct-fit, standard replacement made from stainless steel with a ceramic substrate and CARB certification for the listed vehicles.

Key Features

• Integrated exhaust manifold and catalytic converter in one one-piece assembly
• Specific fit replacement for listed Chevrolet Cruze, Cruze Limited, Sonic, and Saturn Astra applications
• Stainless steel construction with an uncoated metallic gray finish
• Ceramic substrate material for emissions control
• Flanged inlet and outlet connections for OE-style mounting
• CARB certified for the covered applications
• Includes inlet gasket

Detailed Description

This Dorman manifold converter is engineered to match original equipment dimensions and connection points on the listed vehicles, including 2011-2015 Chevrolet Cruze, 2016 Chevrolet Cruze Limited, 2012-2016 Chevrolet Sonic, and 2008 Saturn Astra. The design combines the exhaust manifold and catalytic converter into a single assembly, helping maintain proper exhaust routing and emissions system function. Part number 673-841 is a standard replacement choice for drivers needing an OE-style manifold converter for these specific applications.

This part cross-references OE numbers such as 5531150 and 19420229 for the same application.

What It Is Used For

• Replacing a cracked or leaking exhaust manifold converter assembly
• Restoring emissions system performance on CARB-listed vehicles
• Addressing exhaust leaks at the manifold-to-head or flange connection points
• Replacing a restricted or damaged catalytic converter section
• Correcting exhaust odor or check-engine light concerns tied to converter failure

Installation Notes and Tips

Verify the vehicle year, make, model, and emissions certification before ordering. This part uses flanged inlet and outlet connections and is a specific-fit replacement, so alignment with the original exhaust layout is important. Confirm gasket surfaces are clean and inspect adjoining exhaust components for wear before installation. Part number 673-841 is listed for the applications shown and should be matched to the vehicle’s exact configuration.

Quality Assurance

Dorman manufactures this manifold converter as a precision-engineered replacement for the original equipment on the listed vehicles. The CARB-certified design and OE-style construction support proper fitment and emissions compliance for the covered applications.