AP Exhaust 771373 Catalytic Converter - Front Left

Overview of AP Exhaust Catalytic Converter 771373

The AP Exhaust catalytic converter part number 771373 is designed for direct-fit replacement on select Acura and Honda models. Engineered with a stainless steel body and ceramic substrate, this carb-compliant converter ensures reliable emissions control and durability.

• Constructed from corrosion-resistant stainless steel body
• Carb compliant direct-fit design for easy installation
• Includes inlet and outlet gaskets for proper sealing
• Equipped with two O2 sensor ports for accurate emissions monitoring
• Features 4-bolt welded flange inlet and 3-bolt welded flange outlet
• Overall length of 13.75 inches for precise fitment
• Meets Executive Order D-798-9 standards

Detailed Product Description

The AP Exhaust catalytic converter 771373 is part of the 8HNXV03.5VKR product line, which focuses on providing carb-compliant, direct-fit exhaust components. This product line is engineered to meet strict emissions regulations while maintaining OEM-level fit and function. The stainless steel body offers enhanced resistance to rust and corrosion, extending the service life of the converter. The ceramic substrate efficiently reduces harmful exhaust emissions, supporting environmental compliance.

This catalytic converter includes two O2 sensor ports, allowing for precise monitoring of exhaust gases and optimal engine performance. The inlet features a 4-bolt welded flange, while the outlet uses a 3-bolt welded flange, both designed to ensure secure connections. Included inlet and outlet gaskets help maintain a proper seal, reducing the risk of exhaust leaks.

Compatible Vehicles and Applications

This catalytic converter is compatible with a range of Acura and Honda vehicles, including:

• Acura MDX, RL, RLX, TL, TLX, TSX, ZDX
• Honda Accord, Accord Crosstour, Crosstour, Pilot

It is designed to replace factory catalytic converters on these models, restoring emissions control and helping vehicles meet regulatory standards.

Common Issues Addressed by This Catalytic Converter

• Excessive exhaust emissions causing failed emissions tests
• Check engine light triggered by faulty or clogged catalytic converter
• Reduced engine performance due to restricted exhaust flow
• Rattling noises from damaged or broken converter substrate
• Corrosion or physical damage to the original catalytic converter

Installation Notes and Tips

This part is designed as a direct-fit replacement, matching OEM specifications for a straightforward installation. The included inlet and outlet gaskets should be used to ensure a proper seal and prevent exhaust leaks. The 4-bolt welded flange inlet and 3-bolt welded flange outlet require compatible mounting hardware. 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 771373 complies with Executive Order D-798-9, ensuring it meets emissions standards for the specified vehicle applications. Manufactured by AP Exhaust Holdings, LLC, this part is built to provide consistent performance and durability. While no specific warranty information is provided, the use of stainless steel and ceramic materials supports long-term reliability.