Walker 54748 Catalytic Converter - Right

Walker EPA Direct-Fit Catalytic Converter

Walker EPA Part Number 54748 is a direct-fit catalytic converter built for specific Toyota applications. It is designed for OBDII vehicles and uses a stainless steel body with a ceramic substrate for EPA-compliant exhaust treatment.

The Walker EPA line focuses on direct-fit replacement converters for import and domestic vehicles, giving buyers a factory-style fit without universal fabrication. This unit is configured for the right side on select Toyota Tundra and Toyota Sequoia applications.

Key Features

• Direct-fit catalytic converter for specific vehicle applications
• Stainless steel body with round housing
• Ceramic substrate material
• Pre- and post-catalyst oxygen sensor locations
• 3-bolt welded flange inlet and 2-bolt welded flange outlet
• EPA-compliant design for federal emissions applications
• Fits select Toyota Tundra and Toyota Sequoia right-side applications

Detailed Description

Walker EPA 54748 is a direct-fit catalytic converter engineered for 2007-2013 Toyota Tundra and 2008-2009 Toyota Sequoia right-side applications. It is built with a stainless steel shell, a ceramic substrate, and OE-style flange connections to match the original exhaust layout on the listed vehicles. The overall length is 41.75 inches, with a 2.125-inch inlet outside diameter and a 1.875-inch outlet outside diameter.

This part is intended for EPA federal emission-equipped vehicles and is not CARB certified. For 2007-2011 Toyota Tundra right-side applications, the notes specify that it fits federal and California emission models, but it is not legal for sale or use in California and other CARB-compliant states. Walker EPA Part Number 54748 is also a useful reference when searching for a direct-fit replacement for Toyota Tundra exhaust repair needs.

This part cross-references AP Exhaust 642040 for the same application.

What It Is Used For

• Replacing a failed or restricted catalytic converter on the right side
• Restoring exhaust flow after catalyst efficiency codes
• Addressing emissions-test failures related to converter performance
• Repairing exhaust leaks at the flange connection points
• Replacing a damaged converter housing or substrate

Installation Notes and Tips

Verify the vehicle’s emission certification and state requirements before installation. For 2007-2011 Toyota Tundra right-side applications, an exhaust gasket is recommended during installation. Confirm the inlet and outlet flange style, oxygen sensor locations, and right-side fitment before ordering. Walker EPA 54748 is a direct-fit part, so it is designed to align with the listed exhaust configuration without universal modification.

Quality Assurance

Walker EPA catalytic converters are built to comply with EPA standards for the listed applications and are intended for OBDII vehicles. This part is not CARB certified.