Dorman 673-618 Catalytic Converter with Integrated Exhaust Manifold - Left

Dorman 673-618 Catalytic Converter Manifold

Dorman 673-618 is a catalytic converter with integrated exhaust manifold for specific Suzuki and Chevrolet applications. It is built as a direct OE-style replacement for the left side and is CARB certified for the listed vehicles.

Key Features

• Integrated catalytic converter and exhaust manifold design
• Stainless steel converter body
• CARB certified with Executive Order D-665-23
• Natural finish with round inlet port shape
• Inlet gasket included
• Outlet mounting hardware included
• Direct replacement for select left-side applications

Detailed Description

This manifold converter is precision-engineered to match original equipment dimensions and mounting points on select vehicles. Dorman 673-618 is listed for 1999-2005 Suzuki Grand Vitara, left; 2001-2004 Chevrolet Tracker, left; and 2004 Suzuki Vitara, left. It is a practical replacement when the original exhaust manifold and catalytic converter assembly has deteriorated, cracked, or failed emissions testing. This part cross-references 452060 for the same application.

Common Issues It May Address

• Check engine light related to catalyst efficiency or exhaust leaks
• Cracked or warped exhaust manifold housing
• Failed emissions inspection on CARB-regulated vehicles
• Exhaust noise caused by manifold or flange leakage
• Restricted exhaust flow from a damaged converter assembly

Installation Notes and Tips

Verify left-side fitment before ordering and confirm the vehicle year, make, and model against the application list. Use the included manifold gasket and outlet hardware during installation, and inspect adjoining exhaust components for wear, corrosion, or damaged studs before assembly. Proper sealing at the manifold and outlet connections is important for emissions performance and noise control.

Quality Assurance

Dorman manufactures this replacement to match OE fit and function on the specified applications. CARB certification and Executive Order D-665-23 support use on the listed California-compliant vehicles.