Walker 83478 Catalytic Converter - Right

Walker CalCat Direct-Fit Catalytic Converter

Walker CalCat Part Number 83478 is a direct-fit catalytic converter built for CARB-compliant replacement needs on select Dodge Ram 1500 applications. It is designed for a precise OE-style fit and uses a stainless steel body with a ceramic substrate for dependable exhaust flow and emissions control.

Walker’s CalCat line focuses on direct-fit replacement converters for OBDII and non-OBD vehicles, with CARB validation for applications that require compliance in California and other CARB-regulated states. Part Number 83478 is engineered for the right-side position on specific 2004-2006 Dodge Ram 1500 models.

Key Features

• Direct-fit catalytic converter for specific Dodge Ram 1500 applications
• CARB certified for listed California and CARB-state applications
• Stainless steel body construction
• Ceramic substrate material
• Round body shape with OE-style fitment
• 2-bolt loose flange inlet with spherical flare and pipe connection
• Pipe connection outlet
• Pre- and post-catalyst oxygen sensor location
• Walker CalCat product line for emissions replacement applications

Detailed Description

Walker 83478 is a replacement catalytic converter designed for the right side of select Dodge Ram 1500 trucks from 2004 through 2006. It features a 2.25-inch inlet, 2.5-inch outlet, and an overall length of 55.375 inches, with a round stainless steel body measuring 8 inches long and 4.02 inches in height and width. The ceramic substrate is built to support emissions conversion while maintaining a direct-fit layout for the listed vehicle applications.

This part cross-references Monroe Shocks & Struts (e.g., 4551024) for the same application. For buyers searching for a 2004-2006 Dodge Ram 1500 right catalytic converter, Walker 83478 provides a CARB-certified replacement option where the fitment notes list legal use in California and other CARB-compliant states for the specified engine families.

What It Helps Address

• Failed catalytic converter emissions testing
• Check engine light concerns related to catalyst efficiency codes
• Restricted exhaust flow from a worn or damaged converter
• Replacement needs for a CARB-compliant Dodge Ram 1500 right-side converter
• Direct-fit replacement for rusted or leaking exhaust connections

Installation Notes and Tips

Fits 2006 Dodge Ram 1500, right. Fits 2005 Dodge Ram 1500, right. Fits 2004 Dodge Ram 1500, right. Review the engine family number in the fitment notes before ordering, since CARB legality varies by application. An exhaust gasket is recommended on the 2005 and 2004 Colorado-designated applications noted in the fitment data. Verify the 2-bolt loose flange inlet, pipe connection outlet, and oxygen sensor placement before installation.

Quality Assurance

Walker CalCat converters are designed, tested, and validated to meet CARB standards for the listed applications. Part Number 83478 is CARB certified for the specified fitments and built as a direct-fit replacement for OE-style installation.