Walker 42891 Exhaust Pipe Connector - Front or Rear

Walker 42891 Exhaust Pipe Connector Overview

Walker 42891 is a steel exhaust pipe connector built for rear exhaust service on select Ram and Dodge Ram heavy-duty trucks. It features an aluminized finish, a 4-inch inlet, a 4-inch outlet, and an 18-inch length for OE-style exhaust repair work.

Compatible with 2010-2012 Ram 2500 and Ram 3500 rear exhaust applications, Walker 42891 supports direct-fit replacement needs where the original pipe connection has worn, rusted, or separated. This part cross-references Walker Exhaust 33286 for the same application.

Key Features

• Steel construction for exhaust system repair
• Aluminized finish for added corrosion resistance
• 4-inch inlet inside diameter and 4-inch outlet outside diameter
• Female-to-male connector design
• 18-inch overall length
• OE-style fit and appearance for select Ram and Dodge Ram rear exhaust layouts

Detailed Product Description

Walker 42891 is an exhaust pipe connector engineered for rear-position exhaust service on 2010-2012 Ram 2500, 2011-2012 Ram 2500, 2010 Dodge Ram 3500, and 2011-2012 Ram 3500 applications. The steel body and aluminized finish are suited for replacement work where a damaged connector needs to be restored to proper exhaust routing and sealing. As part of Walker’s emissions-control coverage, this connector is built around OE-style dimensions and fitment expectations for common domestic truck repairs.

Use Walker 42891 when the exhaust connection needs a 4-inch female-to-male transition with an 18-inch section length. The part number 42891 is a practical reference for technicians and buyers searching for a rear exhaust pipe connector for Ram 2500 and Ram 3500 trucks.

What This Part Helps Fix

• Rust or corrosion at the exhaust pipe connection
• Cracked or separated rear exhaust tubing
• Improper pipe alignment after exhaust repair
• Leaks caused by worn connector sections
• Fitment issues when replacing a damaged OE-style connector

Installation Notes and Tips

Fits 2011-2012 Ram 2500, rear. Fits 2011-2012 Ram 3500, rear. Fits 2010 Dodge Ram 2500, rear. Fits 2010 Dodge Ram 3500, rear. Notes include OE Design and Cut To Fit on the listed applications, with the 2010 Dodge Ram 3500 also noted as Short Bed and Cut To Fit. Verify pipe diameter, rear position, and vehicle configuration before installation. Because this is a cut-to-fit exhaust connector, final fitment should be confirmed against the existing exhaust layout.

Quality Assurance

Walker manufactures emissions-control components with OE-focused engineering and broad aftermarket coverage for domestic and import vehicles. Part number 42891 is built to support dependable replacement service in the exhaust system.