Walker 73078 Catalytic Converter - Front

Walker EPA Direct-Fit Catalytic Converter

Walker EPA Part Number 73078 is a premium direct-fit catalytic converter built for OBDII vehicles and engineered to meet federal EPA standards. It is a Federal / EPA Direct-Fit Y-Pipe design with an ECO III catalyst and four O2 sensor ports for the specified Jeep applications.

Walker EPA focuses on direct-fit emissions components for import and domestic vehicles, and the Ultra line is positioned for straightforward replacement on late-model applications. This Walker 73078 catalytic converter is listed for 2005-2010 Jeep Grand Cherokee front and 2006-2007 Jeep Commander front EPA applications.

Key Features

• Premium-grade catalytic converter for emissions system replacement
• Federal / EPA Direct-Fit Y-Pipe configuration
• ECO III catalyst type
• Four O2 sensor ports
• Overall length: 39.000 inches
• Inlet type A and B: 2-bolt spinner
• Outlet type A: 2-bolt welded
• Direct-fit design for specified Jeep Grand Cherokee and Jeep Commander front applications

Detailed Description

Walker 73078 is a direct-fit catalytic converter designed for front-position exhaust replacement on 2005-2010 Jeep Grand Cherokee and 2006-2007 Jeep Commander models with EPA application requirements. The ECO III catalyst and direct-fit Y-pipe layout support a factory-style exhaust configuration, while the four O2 sensor ports match the vehicle’s emissions monitoring setup. If you are searching for a 2005-2010 Jeep Grand Cherokee front catalytic converter or a 2006-2007 Jeep Commander front EPA catalytic converter, this part number is the listed application.

This part cross-references Monroe Shocks & Struts (e.g., 49709) for the same application.

Common Issues This Part Addresses

• Failed catalytic converter emissions test results
• Check engine light related to catalyst efficiency
• Restricted exhaust flow from a worn converter assembly
• Damaged or corroded front exhaust converter section
• O2 sensor-related exhaust system service needs on the listed Jeep applications

Installation Notes and Tips

Verify the vehicle’s year, model, front position, and EPA configuration before installation. Confirm the inlet and outlet connection styles, overall length, and O2 sensor port layout against the original exhaust assembly to ensure proper fitment. Because this is a direct-fit Y-pipe catalytic converter, matching the factory routing and sensor locations is important for correct installation and emissions system operation.

Quality Assurance

Walker EPA catalytic converters are built to comply with EPA standards for the listed applications and are intended for OBDII vehicles. The Walker Ultra Direct-Fit line is positioned as a premium emissions replacement solution for import and domestic vehicles.