AP Exhaust 643074 Catalytic Converter - Left

AP Exhaust Catalytic Converter for Toyota Tundra

The AP Exhaust catalytic converter part number 643074 is designed specifically for Toyota Tundra models requiring a federal/EPA direct-fit replacement. Constructed with durable stainless steel and a ceramic substrate, this catalytic converter ensures compliance with emissions standards while maintaining vehicle performance.

Key Features of AP Exhaust Catalytic Converter 643074

• Body material made from corrosion-resistant stainless steel
• Federal/EPA direct-fit design for Toyota Tundra
• Includes inlet and outlet gaskets for proper sealing
• Equipped with two O2 sensor ports for accurate emissions monitoring
• Inlet features a 3-bolt welded flange; outlet has a 2-bolt welded flange
• Overall length of 49 inches for precise fitment
• Ceramic substrate for effective catalytic conversion

Detailed Product Description

This AP Exhaust catalytic converter (part number 643074) is engineered to meet federal and EPA emissions requirements for Toyota Tundra vehicles. The stainless steel body provides long-lasting resistance to rust and corrosion, essential for exhaust components exposed to harsh conditions. The ceramic substrate inside the converter facilitates efficient conversion of harmful exhaust gases into less harmful emissions.

The converter includes two O2 sensor ports, allowing for proper oxygen sensor installation and accurate engine management system feedback. The inlet and outlet gaskets are included to ensure a secure, leak-free connection, while the inlet and outlet flanges (3-bolt welded flange on the inlet and 2-bolt welded flange on the outlet) provide a direct-fit installation without modification.

Common Applications and Issues Addressed

• Replacement for a failing or clogged catalytic converter on Toyota Tundra
• Restores proper emissions control to pass state and federal inspections
• Eliminates exhaust leaks caused by damaged gaskets or flanges
• Improves engine performance by ensuring correct exhaust flow
• Resolves check engine light issues related to catalytic converter or O2 sensors

Installation Notes and Tips

Installation of the AP Exhaust catalytic converter 643074 requires removal of the existing converter and proper alignment of the inlet and outlet flanges. Use the included inlet and outlet gaskets to prevent exhaust leaks. Note that installation hardware is not included, so existing bolts and nuts should be inspected and replaced if necessary. Ensure O2 sensors are properly installed in the two sensor ports to maintain accurate emissions monitoring.

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 are designed for durability and long service life. Warranty information is available from AP Exhaust and should be confirmed at the time of purchase.