OP Converters OPCG4041 Catalytic Converter with Integrated Exhaust Manifold - Front

OE-Style Exhaust Manifold Catalytic Converter

OP Converters OPCG4041 is a catalytic converter with integrated exhaust manifold for select GM and Hummer applications. It is built for direct replacement service on the listed vehicles, including 2004-2006 Chevrolet Colorado, 2004-2006 GMC Canyon, and 2006 Hummer H3. This part number, OPCG4041, also covers the 2006 Isuzu i-350 front application for Federal 47-state use only.

Key Features

• Catalytic converter with integrated exhaust manifold design
• Direct-fit replacement for listed Chevrolet Colorado and GMC Canyon applications
• Fits 2006 Hummer H3, N/A position
• Fits 2006 Isuzu i-350, front, Federal 47-state only
• OPCG4041 part number for application matching and catalog lookup

Application Details

Use this exhaust manifold catalytic converter when replacing a failed emissions component on the specified 2004-2006 Chevrolet Colorado and GMC Canyon models, as well as the 2006 Hummer H3. The OPCG4041 is also listed for the 2006 Isuzu i-350 front position with Federal 47-state restrictions; it is not legal for sale in California, New York, or Maine. For buyers searching by vehicle, OPCG4041 is a fitment-specific solution for Chevrolet Colorado catalytic converter replacement and GMC Canyon exhaust manifold converter service.

Common Problems This Part Addresses

• Check engine light related to catalyst efficiency
• Exhaust leaks at the manifold/converter assembly
• Failed emissions inspection from a worn converter
• Restricted exhaust flow from a damaged internal substrate
• Cracked or deteriorated integrated manifold assembly

Installation Notes

Verify engine configuration, emissions requirements, and the exact vehicle listing before installation. The 2006 Isuzu i-350 application is front position, Federal 47-state only, and is not legal for sale in CA, NY, or ME. Confirm gasket, sensor, and flange condition during replacement, and follow the vehicle service procedure for exhaust manifold catalytic converter installation.

Quality Assurance

OP Converters OPCG4041 is cataloged as a direct replacement exhaust emissions component for the listed applications. Confirm fitment by year, make, model, and position before ordering.