Eastern Convertors 20390 Catalytic Converter - Front

Direct-Fit Catalytic Converter for Grand Cherokee

Eastern Convertors 20390 is a direct-fit catalytic converter built for specific Jeep Grand Cherokee front applications. It is engineered to match OE dimensions and fitment for a straightforward replacement on 1999-2004 Grand Cherokee models listed below.

The DIRECT FIT product line focuses on exact-fit exhaust replacement parts for vehicles that need a Federal / EPA direct-fit Y-pipe configuration. Part number 20390 uses an ECO II catalyst type, a 2-bolt spinner inlet, a 2.5" OD outlet, and two O2 sensor ports.

Key Features

• Direct-fit Federal / EPA catalytic converter for front undercar installation
• Fits 1999-2001 Jeep Grand Cherokee, front, California Emissions
• Fits 2002-2004 Jeep Grand Cherokee, front
• ECO II catalyst type with NANO substrate chemistry for efficient loading
• Built to OE dimensions using automated manufacturing and spinner welding processes
• 2-bolt spinner inlet and 2.5" OD outlet
• Two O2 sensor ports for the listed applications
• Part number 20390 for application-specific exhaust replacement

Detailed Description

Eastern Convertors 20390 is a Federal / EPA direct-fit Y-pipe catalytic converter for Jeep Grand Cherokee front applications. It is built to OE dimensions for the listed vehicles, helping ensure proper alignment with the exhaust system on 1999-2001 Jeep Grand Cherokee California Emissions models and 2002-2004 Jeep Grand Cherokee models. The DIRECT FIT line is positioned for exact-fit replacement needs, and part number 20390 is configured with an ECO II catalyst, two O2 sensor ports, a 2-bolt spinner inlet, and a 2.5" OD outlet.

The manufacturer uses automated production equipment, spinner welding, and high-speed manufacturing lines to maintain consistent dimensions and fitment. Its NANO substrate chemistry is used to support efficient catalyst loading while keeping the part cost-conscious for replacement use. If you are sourcing a catalytic converter for Jeep Grand Cherokee front exhaust service, 20390 is the cataloged direct-fit option for the applications shown.

Common Issues This Part Can Address

• Failed catalytic converter emissions testing
• Check engine light related to catalyst efficiency codes
• Restricted exhaust flow from a worn or damaged converter
• Exhaust leaks at the converter-to-pipe connection
• Replacement of a rusted or physically damaged front undercar converter

Installation Notes and Tips

Verify the vehicle’s emissions configuration before ordering, especially for 1999-2001 Jeep Grand Cherokee California Emissions applications. This part is not for sale or use in CA, CO, ME, or NY for vehicles with CA emissions. Confirm the inlet style, outlet diameter, O2 sensor port count, and overall exhaust routing against the original unit before installation. Professional exhaust installation is recommended to ensure proper sealing and sensor placement.

Quality Assurance

Eastern Convertors uses advanced manufacturing methods to produce converters to exact OE dimensions and fitment. Part number 20390 is built as a direct-fit replacement for the listed Jeep Grand Cherokee applications and uses catalyst technology intended to support efficient exhaust aftertreatment performance.