Walker 56091 Catalytic Converter

Walker EPA Direct-Fit Catalytic Converter

Walker EPA 56091 is a direct-fit catalytic converter built for specific applications on 2000-2003 Dodge Durango models. It uses a stainless steel body with a ceramic substrate and an OE-style flange-and-pipe connection layout for a straightforward exhaust replacement.

Walker’s EPA Ultra Direct-Fit Catalytic Converter line is aimed at import and domestic OBDII vehicles, with compliance-focused construction for federal-emissions applications. This Walker 56091 unit is designed around the original exhaust routing and sensor placement for the listed Durango fitments.

Key Features

• Direct-fit catalytic converter for specific vehicle applications
• Stainless steel body with standard oval shape
• Ceramic substrate material
• 2.5-inch inlet inside diameter and 2.5-inch outlet outside diameter
• 2-bolt loose flange with spherical flare inlet connection
• Pre- and post-catalyst oxygen sensor locations
• EPA-compliant design for federal-emissions applications
• Fits 2000-2003 Dodge Durango, with application-specific notes

Detailed Description

Walker 56091 is a specific-fit catalytic converter for the Dodge Durango, covering 2000 through 2003 model years listed in the fitment data. It is built with a stainless steel shell, a ceramic substrate, and a standard oval body profile measuring 4.25 inches high, 6.125 inches wide, and 13 inches long, with an overall length of 56.25 inches. The inlet and outlet layout uses 2.5-inch connections and dual 2-bolt loose flanges with spherical flare inlet ends, matching the original exhaust configuration for the covered vehicles.

This part is intended for federal-emissions applications and is not legal for sale or use in California and other CARB-compliant states. For 2000 Dodge Durango, it fits Federal and California emission models; for 2001-2003 Dodge Durango, it fits federal emission system vehicles. Walker 56091 is a direct-fit replacement for owners searching for a 2000-2003 Dodge Durango catalytic converter, EPA catalytic converter for Dodge Durango, or Walker Ultra Direct-Fit 56091.

This part cross-references NGK 9126 for the same application.

What It Helps Address

• Failed catalytic converter efficiency codes
• Restricted exhaust flow from a worn converter
• Exhaust leaks at the converter connection points
• Emissions test failures on federal-emissions vehicles
• Check engine light concerns related to catalyst performance

Installation Notes and Tips

Fits 2000 Dodge Durango, N/A. Fits 2001-2003 Dodge Durango, N/A. An exhaust gasket is recommended, and additional part 35337 is listed as needed to complete installation. Verify federal-emissions application details before purchase, since this converter is not legal for California and other CARB-compliant states on the listed 2001-2003 applications. Oxygen sensor locations are pre- and post-catalyst, so confirm sensor routing before installation.

Quality Assurance

Walker designs the EPA Ultra Direct-Fit Catalytic Converter line for compliance-focused replacement on OBDII vehicles, with construction intended to match the original exhaust layout and emissions-system requirements for the listed applications.