AP Exhaust 771393 Catalytic Converter - Front Left

AP Exhaust Catalytic Converter for OE Fitment

AP Exhaust catalytic converter Part Number 771393 is built for direct-fit replacement on select California-emissions applications. It is engineered to match OE dimensions and fitment for a cleaner installation on the front left position.

Compatible With 2012-2017 Buick LaCrosse, 2013-2017 Cadillac XTS, and 2014-2017 Chevrolet Impala front left applications listed below. This AP Exhaust 771393 converter is identified with California Executive Order D-798-9 for the approved applications shown.

Key Features

• Direct-fit catalytic converter for the front left position
• Built to OE dimensions for proper alignment and fit
• Uses AP Exhaust ARISTO substrate chemistry for efficient catalyst loading
• Manufactured with automated workstations, spinner welding, and high-speed production lines
• California EO D-798-9 listed for the applications shown
• Part Number 771393 for easy catalog matching

Product Line Details

AP Exhaust CGMXJ03.6166 is part of the brand’s emissions product line focused on OE-style fitment and efficient converter construction. The manufacturing process is designed to keep dimensions consistent while supporting competitive replacement pricing for regulated emissions repairs.

Detailed Description

This catalytic converter is intended for front left exhaust service on select Buick, Cadillac, and Chevrolet vehicles with California emissions requirements. The substrate chemistry is formulated for efficient catalyst loading, while the production process helps maintain consistent fit and dimensional accuracy. For buyers searching for a 2012-2017 Buick LaCrosse front left catalytic converter, a 2013-2017 Cadillac XTS front left catalytic converter, or a 2014-2017 Chevrolet Impala front left catalytic converter, AP Exhaust 771393 matches the listed applications.

This part cross-references no additional part numbers in the provided data.

What It Helps Fix

• Failed emissions test results tied to a worn catalytic converter
• Check engine light conditions related to catalyst efficiency codes
• Restricted exhaust flow from a deteriorated converter substrate
• California emissions compliance issues on listed applications
• Fitment problems caused by non-OE-style replacement parts

Installation Notes and Tips

Verify the vehicle year, make, model, engine/emissions configuration, and front left position before ordering. This converter is listed for direct-fit California applications only, so match the Executive Order D-798-9 and the exact application notes in the fitment data. Inspect adjoining exhaust components, gaskets, and sensors during diagnosis so the replacement addresses the full fault condition.

Quality Assurance

AP Exhaust Holdings, LLC identifies this converter under California Executive Order D-798-9 for the applications shown. The part is manufactured to OE dimensions using automated production methods and controlled welding processes to support consistent fitment and emissions-system service.

• Fits 2017 Chevrolet Impala, front left
• Fits 2016 Chevrolet Impala, front left
• Fits 2015 Chevrolet Impala, front left
• Fits 2014 Chevrolet Impala, front left
• Fits 2016 Buick LaCrosse, front left
• Fits 2015 Buick LaCrosse, front left
• Fits 2014 Buick LaCrosse, front left
• Fits 2013 Buick LaCrosse, front left
• Fits 2012 Buick LaCrosse, front left
• Fits 2016 Cadillac XTS, front left
• Fits 2015 Cadillac XTS, front left
• Fits 2014 Cadillac XTS, front left
• Fits 2013 Cadillac XTS, front left