Bosal 079-4167 Catalytic Converter - Left

Federal/EPA Direct-Fit Catalytic Converter

Bosal BRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter 079-4167 is built for select Ford truck and SUV applications that require a Federal/EPA-compliant replacement. It uses stainless steel construction, a ceramic substrate, and a direct-fit layout to support reliable exhaust flow and emissions control.

Compatible With 2001-2003 Ford F-150, left; 2004 Ford F-150 Heritage, left; and 2001-2002 Ford Expedition, left. This part number, 079-4167, is engineered for straightforward bolt-on replacement on the listed vehicles.

Key Features

• Stainless steel body and finish for corrosion resistance
• Ceramic substrate for emissions conversion performance
• Direct-fit design for bolt-on installation
• Federal/EPA compliant for OBDII applications in Federal-standard states
• Heat shield included
• Inlet attachment uses a bolt-on connection
• Designed for left-side installation on the listed Ford applications

Product Details

The Bosal BRExhaust Premium Load line focuses on direct-fit exhaust replacement parts built to match the vehicle’s original mounting style and emissions requirements. For Ford F-150 and Ford Expedition applications, 079-4167 provides a replacement catalytic converter assembly with stainless steel construction and a ceramic catalyst core to help maintain proper exhaust treatment and keep the check engine light off when the underlying issue is a failed converter.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Check engine light related to catalytic converter efficiency
• Failed emissions test caused by a worn or damaged converter
• Restricted exhaust flow from a deteriorated catalyst
• Rust or corrosion in the original converter housing
• Fitment issues from a damaged or non-OE-style exhaust replacement

Installation Notes

Fits 2001-2003 Ford F-150, left. Fits 2004 Ford F-150 Heritage, left. Fits 2001-2002 Ford Expedition, left. Direct-fit construction supports bolt-on installation with no cutting, welding, or fabrication required. Verify the vehicle’s left-side application and emissions configuration before installation.

Quality Assurance

Bosal BRExhaust Federal/EPA converters are engineered for durable service in emissions-controlled applications and built to meet Federal OBDII EPA standards for the listed vehicles.