Bosal 079-4180 Catalytic Converter - Left

Bosal BRExhaust Direct-Fit Catalytic Converter

The Bosal BRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter is built for emissions service on select Ford, Lincoln, and Mercury applications. It uses stainless steel construction, a ceramic substrate, and a direct-fit layout to simplify replacement while helping maintain OBDII system performance.

Compatible with 2003-2011 Ford Crown Victoria, left; 2003-2011 Lincoln Town Car, left; and 2003-2011 Mercury Grand Marquis, left. Part number 079-4180 is a Federal/EPA compliant replacement for vehicles built to Federal OBDII emissions standards.

Key Features

• Direct-fit design for bolt-on installation
• Stainless steel body and finish for corrosion resistance
• Ceramic substrate for emissions conversion
• Heat shield included
• Pre- and post-converter oxygen sensor locations
• Federal/EPA compliant configuration
• Mounting hardware included

Product Details

The BRExhaust Premium Load line focuses on direct replacement catalytic converters engineered for proper fit and emissions compliance. This converter is designed for the left-side application on the Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis listed above. The stainless steel construction supports long service life in exhaust environments, while the direct-fit format reduces the need for cutting, welding, or fabrication during replacement. Part number 079-4180 is a practical choice when replacing a worn or inefficient catalytic converter on these Federal OBDII vehicles.

Common Problems This Part Can Address

• Check engine light related to catalytic converter efficiency
• Failed emissions inspection due to converter performance
• Restricted exhaust flow from a deteriorated converter
• Corrosion damage to the original exhaust assembly
• Fitment issues caused by non-direct replacement parts

Installation Notes

This converter uses a bolt-on inlet attachment and is made for direct-fit replacement. No cutting, welding, or fabrication is required when installed on the correct application. Verify left-side placement, oxygen sensor locations, and vehicle emissions configuration before installation. For best results, inspect related exhaust seals, sensors, and mounting points during replacement.

Quality Assurance

Bosal BRExhaust catalytic converters are engineered for Federal/EPA-compliant applications and built with stainless steel construction for durability in exhaust service. Part number 079-4180 is intended for vehicles following Federal OBDII EPA standards.