AP Exhaust 642191 Catalytic Converter - Rear Left

AP Exhaust Catalytic Converter for Toyota 4Runner and FJ Cruiser

The AP Exhaust catalytic converter part number 642191 is designed specifically for Toyota 4Runner and FJ Cruiser models. Constructed with durable stainless steel and featuring a ceramic substrate, this federal/EPA direct-fit converter ensures compliance with emissions standards while maintaining vehicle performance.

• Body material: corrosion-resistant stainless steel
• Federal/EPA direct-fit catalytic converter
• Includes inlet and outlet gaskets for secure sealing
• One O2 sensor port for accurate emissions monitoring
• 2 bolt welded flange inlet and outlet for reliable connection
• Overall length of 28 inches for precise fitment
• Ceramic substrate for effective catalytic conversion

Durable Construction and Precise Fitment

This AP Exhaust catalytic converter (part number 642191) is engineered with a stainless steel body to resist rust and corrosion, extending the life of the exhaust system. The ceramic substrate inside efficiently converts harmful exhaust gases into less harmful emissions, meeting federal and EPA regulations. The converter features a 2 bolt welded flange design on both inlet and outlet sides, ensuring a secure and leak-free installation. With one O2 sensor port, it supports accurate oxygen sensor readings critical for engine management systems.

Compatible Vehicles and Applications

This catalytic converter is compatible with Toyota 4Runner and FJ Cruiser models, providing a direct-fit replacement option. It is ideal for addressing issues such as:

• Failed or clogged catalytic converter causing poor emissions performance
• Check engine light triggered by O2 sensor or emissions faults
• Excessive exhaust noise due to damaged converter
• Failed emissions tests related to catalytic converter efficiency
• Corrosion or physical damage to the original catalytic converter

Installation Notes and Tips

Installation requires removal of the existing catalytic converter and replacement with this direct-fit unit. The included inlet and outlet gaskets help ensure a proper seal. Note that no installation hardware is included, so existing bolts and fasteners should be inspected and replaced if necessary. The 2 bolt welded flange design simplifies alignment and connection to the exhaust system. Proper torque specifications should be followed to avoid leaks.

Quality Assurance and Warranty

AP Exhaust catalytic converters are manufactured to meet federal and EPA emissions standards. The stainless steel construction and ceramic substrate provide durability and reliable performance. While specific warranty details are not provided here, AP Exhaust products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer.