AP Exhaust 771422 Catalytic Converter - Front Left

AP Exhaust 771422 Catalytic Converter

AP Exhaust 771422 is a CARB compliant direct-fit catalytic converter built for exact OE dimensions and fitment. It is engineered for the 2010 Buick LaCrosse front left and 2011 Buick LaCrosse front left applications, with California emissions compliance identified by EO D-798-9.

Key Features

• CARB compliant direct-fit design for confirmed California applications
• Ceramic substrate material for efficient exhaust aftertreatment
• 3-bolt welded inlet and 2-bolt welded outlet configuration
• 1 O2 sensor port for the specified vehicle application
• Overall length: 13 inches
• Built to OE dimensions using AP Exhaust Holdings, LLC manufacturing standards

Product Details

The AP Exhaust AGMXJ03.6151 product line focuses on direct-fit emissions components built with proprietary substrate chemistry and advanced manufacturing methods. That approach supports efficient catalyst loading while maintaining the dimensional accuracy needed for proper installation and exhaust sealing. For buyers searching for a catalytic converter for 2010 Buick LaCrosse front left or 2011 Buick LaCrosse front left, AP Exhaust 771422 provides a vehicle-specific solution that matches the listed California emissions requirements.

This part cross-references AP Exhaust AGMXJ03.6151 for the same application.

Common Issues This Part May Address

• Check engine light related to catalyst efficiency faults
• Failed emissions inspection on California-equipped vehicles
• Exhaust restriction caused by a worn or damaged converter
• Fitment problems from using a universal replacement instead of a direct-fit unit
• O2 sensor code concerns tied to converter performance

Installation Notes

Verify the vehicle is a 2010 Buick LaCrosse front left or 2011 Buick LaCrosse front left application before installation. Confirm the inlet and outlet flange style, O2 sensor port location, and California emissions labeling against the original part. Use the listed gasket and outlet hardware provisions as part of the installation planning, and follow OE service procedures for sealing, sensor transfer, and final leak checks.

Quality Assurance

AP Exhaust states that this converter is manufactured to OE dimensions and fitment using automated workstations, spinner welding equipment, and high-speed production lines. The part is identified as CARB compliant with Executive Order D-798-9 for the listed California applications.