Walker 84720 Catalytic Converter - Front, Front Left or Front Right

Universal CARB-Certified Catalytic Converter

Walker CalCat 84720 is a universal catalytic converter built for emissions service on a wide range of GM trucks, SUVs, and vans. It is CARB certified and validated for compliance, with stainless steel construction and a ceramic substrate for regulated exhaust treatment.

• Universal fit catalytic converter for emissions repair applications
• CARB certified for California and New York requirements
• Stainless steel body and stainless steel heat shield
• Ceramic substrate for exhaust aftertreatment performance
• Pipe connection inlet and outlet with 3.000-inch inside diameter
• Oval body shape with integrated heat shield

Fitment Coverage

Compatible with 2005-2019 Chevrolet Silverado 2500 HD, front left or front right depending on application; 2005-2019 Chevrolet Silverado 3500 HD, front left or front right depending on application; 2005-2019 GMC Sierra 2500 HD, front left or front right depending on application; 2005-2019 GMC Sierra 3500 HD, front left or front right depending on application; 2005-2013 Chevrolet Suburban 2500, front left or front right depending on application; 2005-2013 GMC Yukon XL 2500, front right; 2008-2009 Chevrolet Trailblazer, front; 2008-2009 GMC Envoy, front; 2008-2009 Saab 9-7x, front; 2008 Isuzu Ascender, front; 2005-2006 Chevrolet Express 2500, front left; 2005-2006 Chevrolet Express 3500, front left or front right depending on application; 2005-2006 GMC Savana 2500, front left; 2005-2006 GMC Savana 3500, front left.

This part cross-references 775107 for the same application.

What It Helps Address

• Failed catalytic converter emissions testing
• Check engine light concerns related to exhaust aftertreatment
• Restricted exhaust flow from a worn converter
• Replacement needs for CARB-regulated applications

Installation Notes and Tips

Verify the vehicle's exact year, model, and exhaust position before ordering. This universal converter uses pipe connections and does not include clamps, gaskets, or mounting hardware. Confirm inlet and outlet sizing, available space, and local emissions requirements before installation.

Quality Assurance

Walker CalCat converters are designed, tested, and validated to meet CARB standards, with coverage for OBDII and non-OBD applications where listed.