AP Exhaust 642221 Catalytic Converter - Front

AP Exhaust Catalytic Converter for Chevrolet Equinox and More

The AP Exhaust catalytic converter part number 642221 is designed for direct-fit replacement on select Chevrolet, Pontiac, Saturn, and Suzuki models. Engineered with durable stainless steel and a ceramic substrate, this catalytic converter ensures reliable emissions control and long-lasting performance.

• Constructed from corrosion-resistant stainless steel body
• Includes inlet gasket for secure sealing
• Features 3 bolt welded flange inlet and outlet connections
• Equipped with one O2 sensor port for accurate emissions monitoring
• Federal/EPA direct-fit design for easy installation
• Overall length of 39 inches for precise fitment
• Ceramic substrate material for effective catalytic conversion

Durable Construction and Precise Fitment

This AP Exhaust catalytic converter 642221 is built with a stainless steel body that resists rust and corrosion, extending the life of the part under harsh driving conditions. The ceramic substrate inside efficiently converts harmful exhaust gases into less harmful emissions, meeting federal and EPA standards. The 3 bolt welded flange inlet and outlet ensure a secure and leak-free connection to the exhaust system. With one O2 sensor port, this converter supports proper sensor function to maintain engine performance and emissions compliance.

Compatible Vehicles and Applications

This catalytic converter is compatible with the following vehicles:

• Chevrolet Equinox
• Pontiac Torrent
• Saturn Vue
• Suzuki XL-7

It is designed as a direct-fit replacement, making it suitable for those seeking a reliable OEM-style catalytic converter for these specific models.

Common Issues Addressed by This Catalytic Converter

• Failed or clogged catalytic converter causing poor emissions
• Check engine light triggered by faulty O2 sensor readings
• Reduced engine performance due to exhaust restrictions
• Failed emissions test due to converter inefficiency
• Excessive exhaust noise from damaged converter components

Installation Notes and Tips

Installation of the AP Exhaust catalytic converter 642221 requires removal of the old converter and proper alignment of the 3 bolt welded flange connections. The included inlet gasket should be used to ensure a tight seal. Note that outlet hardware is included, but inlet hardware is not. It is recommended to inspect O2 sensors and replace any damaged components during installation to maintain optimal emissions control.

Quality Assurance and Warranty

AP Exhaust catalytic converters are manufactured to meet federal and EPA standards for emissions control. The stainless steel construction and ceramic substrate provide durability and consistent performance. Warranty information is available from the manufacturer and should be consulted prior to installation for specific coverage details.