Dorman 674-678 Catalytic Converter with Integrated Exhaust Manifold - Left

Dorman 674-678 Catalytic Converter Manifold

Dorman 674-678 is a catalytic converter with integrated exhaust manifold built for specific Suzuki applications. It is engineered to match original equipment fit and function for a direct replacement on the listed vehicles.

Key Features

• Catalytic converter with integrated exhaust manifold for a manifold converter replacement
• Stainless steel converter body for corrosion resistance
• Natural finish with a flanged outlet
• Includes 2 sensor ports for exhaust system integration
• Inlet gasket included; outlet mounting hardware included
• Not CARB certified

Vehicle Fitment

• Fits 2006-2008 Suzuki Grand Vitara, left.
• Fits 2004-2006 Suzuki XL-7, left.

Product Details

This Dorman manifold converter is precision-engineered as an OE-style replacement for the exhaust manifold and catalytic converter assembly. It is built for the left-side position on 2006-2008 Suzuki Grand Vitara and 2004-2006 Suzuki XL-7 applications, making it a direct-fit option for owners searching for a 2006 Suzuki Grand Vitara left catalytic converter manifold or a 2004-2006 Suzuki XL-7 exhaust manifold converter. The Dorman 674-678 also cross-references Quality-Built 16674 for the same application.

What It Helps Address

• Cracked or leaking exhaust manifold assembly
• Restricted catalytic converter flow
• Exhaust leaks at the manifold-to-head or outlet connection
• Check engine light concerns related to catalyst efficiency or sensor readings
• Failed emissions inspection caused by a worn manifold converter assembly

Installation Notes

Verify left-side fitment, inlet port shape, sensor port count, and flange alignment before installation. The inlet gasket is included, and outlet mounting hardware is included; additional fasteners are not listed as included. Transfer or reconnect oxygen sensors as required by the vehicle configuration, and confirm all sealing surfaces are clean before tightening.

Quality Assurance

Dorman designs this replacement to match original equipment specifications for the listed Suzuki Grand Vitara and Suzuki XL-7 applications. The stainless steel construction and OE-style layout support a reliable exhaust repair where the original manifold converter has failed.