Bosal 079-5358 Catalytic Converter - Rear

Bosal Direct-Fit Catalytic Converter for LaCrosse

The Bosal BRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter, part number 079-5358, is built for 2010-2012 Buick LaCrosse rear applications. It combines stainless steel construction with a ceramic substrate to support emissions control and OBDII system performance on Federal/EPA-compliant vehicles.

Key Features

• Direct-fit design for bolt-on installation
• Stainless steel body and finish for corrosion resistance
• Ceramic substrate for emissions conversion performance
• Federal/EPA compliant configuration
• Pre-converter oxygen sensor location
• 2.5 in. main piping diameter
• Overall length: 55 in.
• Compatible with 2010-2012 Buick LaCrosse, rear

Product Line Details

Bosal BRExhaust Premium Load converters are engineered as direct-fit replacements for vehicles that follow Federal OBDII EPA standards. The line focuses on OE-style fitment, stainless steel durability, and a bolt-on layout that reduces the need for custom exhaust work. Part number 079-5358 follows that approach for Buick LaCrosse rear catalytic converter replacement.

Detailed Description

This catalytic converter is designed for drivers replacing a rear emissions component on a 2010-2012 Buick LaCrosse. The stainless steel construction helps resist exhaust corrosion, while the ceramic substrate supports exhaust gas conversion in a Federal/EPA-compliant setup. Because it is a direct-fit unit, 079-5358 installs with bolt-on inlet and outlet connections and does not require cutting, welding, or fabrication. For shoppers searching for a 2010 Buick LaCrosse rear catalytic converter, a 2011 Buick LaCrosse rear catalytic converter, or a 2012 Buick LaCrosse rear catalytic converter, this Bosal BRExhaust unit matches the confirmed application.

Common Problems It Can Address

• Failed rear catalytic converter on a Buick LaCrosse
• Check engine light related to catalyst efficiency codes
• Exhaust restriction caused by a worn converter
• Corrosion damage to the original exhaust housing
• Emissions test failure on Federal/EPA vehicles

Installation Notes

Fits 2010-2012 Buick LaCrosse, rear. The bolt-on inlet and outlet attachments support straightforward replacement on the confirmed application. Verify oxygen sensor placement before installation, since this unit uses a pre-converter sensor location. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Bosal BRExhaust Federal/EPA direct-fit catalytic converters are built with stainless steel construction and engineered for reliable emissions-system service on vehicles following Federal OBDII EPA standards. Part number 079-5358 is produced for direct replacement use on the confirmed Buick LaCrosse fitment.