Walker 54951 Catalytic Converter - Rear

Overview

Walker EPA Ultra Direct-Fit Catalytic Converter 54951 is a specific-fit exhaust replacement built for OBDII vehicles and engineered to meet EPA standards. It uses a stainless steel body with a ceramic substrate for dependable emissions control and premium performance.

Compatible with 2010-2017 Chevrolet Equinox, rear, and 2010-2017 GMC Terrain, rear. This part cross-references AP Exhaust 642041 and Eastern Catalytic 50414 for the same application.

Key Features

• Direct-fit catalytic converter for specific applications
• EPA-compliant design for OBDII vehicles
• Stainless steel body with ceramic substrate
• Standard oval body shape with welded flange inlet
• Pipe connection outlet for exhaust system integration

Detailed Description

Walker 54951 is part of the EPA Ultra Direct-Fit line, which focuses on application-specific exhaust replacements that align with emissions requirements for import and domestic OBDII vehicles. The converter uses a stainless steel housing and ceramic substrate, with a 2-bolt welded flange inlet and pipe connection outlet to match the listed exhaust configuration. The overall length is 39.125 inches, and the unit is built as a regular-grade replacement for the rear exhaust position on the listed Chevrolet Equinox and GMC Terrain applications.

For buyers searching for a catalytic converter for 2010-2017 Chevrolet Equinox rear or 2010-2017 GMC Terrain rear, this part number 54951 provides a direct-fit option with the specified inlet and outlet design. Part number 54951 is also referenced by several aftermarket brands for the same application.

What It Is Used For

• Replacing a failed catalytic converter that triggers emissions-related fault codes
• Restoring exhaust flow when the converter substrate is restricted
• Addressing emissions test failures caused by converter inefficiency
• Repairing exhaust leaks at the converter connection points

Installation Notes

Fits 2010-2017 Chevrolet Equinox, rear, and 2010-2017 GMC Terrain, rear. Exhaust gasket is recommended, and additional part 31652 is listed as needed to complete installation. Verify federal and state emissions requirements before installation, since the fitment notes specify restrictions for California and other CARB-compliant states.

Quality Assurance

Walker’s EPA Ultra Direct-Fit line is built to comply with EPA standards and is intended for specific OBDII applications. The design combines application-specific fitment with emissions-focused construction for the listed vehicles.