AP Exhaust 771390 Catalytic Converter - Front Left

Overview of AP Exhaust Catalytic Converter 771390

The AP Exhaust catalytic converter part number 771390 is designed specifically for Chevrolet Impala and Impala Limited models. This carb compliant direct-fit converter ensures proper emission control while maintaining vehicle performance.

• Constructed with durable stainless steel body material
• Features a ceramic substrate for efficient catalytic reaction
• Includes two O2 sensor ports for accurate emissions monitoring
• Equipped with a 4 bolt welded flange inlet and 2 bolt welded flange outlet
• Comes with outlet gasket and hardware for secure installation
• Overall length of 19 inches for precise fitment
• Meets Executive Order D-798-9 compliance standards

About the CGMXJ03.6166 Product Line

The CGMXJ03.6166 product line by AP Exhaust focuses on carb compliant direct-fit catalytic converters tailored for specific vehicle applications. This line emphasizes quality materials such as stainless steel bodies and ceramic substrates to meet emission regulations while providing reliable fitment for Chevrolet vehicles like the Impala and Impala Limited.

Detailed Product Description

This AP Exhaust catalytic converter 771390 is engineered to replace the factory unit on Chevrolet Impala and Impala Limited models. Its stainless steel construction offers resistance to corrosion and heat, extending the service life of the part. The ceramic substrate inside facilitates the conversion of harmful exhaust gases into less harmful emissions, supporting environmental compliance. The converter includes two O2 sensor ports, allowing for proper sensor placement and accurate engine management system readings. The inlet and outlet flanges are welded for durability, with the inlet featuring a 4 bolt flange and the outlet a 2 bolt flange. The overall length of 19 inches ensures a direct-fit installation without modification.

Common Applications and Issues Addressed

• Replacement for faulty or clogged catalytic converters on Chevrolet Impala and Impala Limited
• Restores proper exhaust flow and reduces harmful emissions
• Resolves check engine light issues related to catalytic converter efficiency
• Helps pass state and federal emissions inspections
• Addresses exhaust leaks caused by damaged or worn converters

Installation Notes and Tips

This catalytic converter is designed as a direct-fit replacement, compatible with Chevrolet Impala and Impala Limited models. It includes outlet gasket and hardware to assist with installation; however, inlet gasket and hardware are not included and may need to be sourced separately. Proper torque specifications should be followed for the 4 bolt inlet flange and 2 bolt outlet flange to ensure a secure and leak-free fit. It is recommended to inspect O2 sensors during installation and replace if necessary to maintain accurate emissions monitoring.

Quality Assurance and Compliance

The AP Exhaust catalytic converter 771390 complies with Executive Order D-798-9, ensuring it meets required emissions standards. Constructed with high-quality stainless steel and a ceramic substrate, this part is built for durability and long-term performance. AP Exhaust Holdings, LLC, the issuing company, maintains strict quality control to provide reliable replacement parts for Chevrolet vehicles.