AP Exhaust 771422 Catalytic Converter - Front Left

Overview of AP Exhaust Catalytic Converter 771422

The AP Exhaust catalytic converter part number 771422 is designed specifically for Buick LaCrosse models. This carb-compliant direct-fit converter ensures proper emission control while maintaining vehicle performance and durability.

• Compatible with Buick LaCrosse vehicles
• Carb compliant direct-fit catalytic converter
• Ceramic substrate material for efficient emission filtration
• Overall length of 13 inches for precise fitment
• Includes one inlet gasket and one outlet gasket
• Features one O2 sensor port for accurate monitoring
• Inlet type: 3 bolt welded; outlet type: 2 bolt welded
• Outlet hardware included; no inlet hardware
• Meets Executive Order D-798-9 standards

About the AGMXJ03.6151 Product Line

The AGMXJ03.6151 product line from AP Exhaust focuses on providing carb-compliant direct-fit catalytic converters tailored for specific vehicle applications. This ensures that each converter, including part number 771422, meets strict emission standards while offering a reliable fit and function for Buick LaCrosse models.

Detailed Product Description

This catalytic converter features a ceramic substrate designed to effectively reduce harmful emissions. With an overall length of 13 inches, it fits precisely within the exhaust system of Buick LaCrosse vehicles. The inlet side uses a 3 bolt welded flange, while the outlet side employs a 2 bolt welded flange, facilitating secure connections. The inclusion of one O2 sensor port allows for proper sensor installation and accurate exhaust gas monitoring. Gaskets are provided for both inlet and outlet connections to ensure a tight seal, while outlet hardware is included to assist with installation.

Common Applications and Problem Solving

• Replacement for faulty or clogged catalytic converters in Buick LaCrosse
• Restores proper emission control to meet regulatory standards
• Eliminates exhaust leaks caused by damaged gaskets or flanges
• Improves engine performance affected by converter inefficiency
• Supports compliance with Executive Order D-798-9 emission requirements

Installation Notes and Tips

Ensure compatibility with your Buick LaCrosse before installation. The converter’s 3 bolt welded inlet and 2 bolt welded outlet require matching flange connections. Use the included inlet and outlet gaskets to prevent exhaust leaks. Note that inlet hardware is not included, so retain or source necessary bolts for the inlet flange. Proper torque specifications should be followed to avoid damage to the converter or exhaust system components.

Quality Assurance and Warranty

Manufactured by AP Exhaust Holdings, LLC, this catalytic converter complies with Executive Order D-798-9, ensuring it meets emission control standards. The ceramic substrate material and direct-fit design contribute to long-term durability and reliable performance. Warranty details should be confirmed with the distributor or manufacturer.