AP Exhaust 645422 Catalytic Converter - Rear

AP Exhaust Catalytic Converter for Jeep Grand Cherokee

The AP Exhaust 645422 catalytic converter is designed specifically for Jeep Grand Cherokee models, providing a direct-fit solution that meets Federal and EPA standards. Constructed with durable stainless steel and a ceramic substrate, this catalytic converter ensures reliable performance and emissions control.

• Body material: stainless steel for corrosion resistance
• Federal / EPA direct-fit catalytic converter
• Inlet pipe: 2.50 inch inner diameter
• Outlet pipe: 2.25 inch outer diameter
• Includes inlet and outlet hardware
• One O2 sensor port for accurate emissions monitoring
• Overall length: 34.13 inches
• Ceramic substrate for effective catalytic conversion
• No inlet or outlet gaskets required

Durable Construction and Precise Fitment

This AP Exhaust catalytic converter (part number 645422) is engineered with a stainless steel body to resist rust and corrosion, extending the life of the exhaust component. The ceramic substrate inside efficiently converts harmful exhaust gases into less harmful emissions, helping your Jeep Grand Cherokee comply with environmental regulations. The direct-fit design ensures a straightforward installation without the need for additional gaskets, while the included inlet and outlet hardware facilitate secure connections. The single O2 sensor port supports your vehicle’s emissions system for optimal performance.

Compatible Jeep Grand Cherokee Applications

This catalytic converter is compatible with Jeep Grand Cherokee models requiring a 2.50 inch ID inlet pipe and a 2.25 inch OD outlet pipe. It is a Federal / EPA direct-fit replacement part, making it suitable for emissions-compliant repairs or upgrades on these vehicles.

• Reduces harmful exhaust emissions
• Replaces damaged or clogged catalytic converters
• Restores proper O2 sensor function
• Helps pass state emissions inspections
• Improves exhaust flow and engine efficiency

Installation Notes and Tips

When installing the AP Exhaust 645422 catalytic converter, ensure the inlet and outlet pipes match the specified diameters (2.50" ID inlet, 2.25" OD outlet). No inlet or outlet gaskets are required, simplifying the installation process. The included hardware should be used to secure the converter properly. Verify the O2 sensor port aligns with your vehicle’s sensor location 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 provide durability and long service life. While specific warranty details are not provided here, AP Exhaust products typically come with manufacturer-backed quality assurances to support reliable performance in Jeep Grand Cherokee applications.