Walker 83592 Catalytic Converter - Right

CARB-Certified Direct-Fit Converter

Walker CalCat 83592 is a direct-fit catalytic converter built for CARB-compliant replacement on select Ford Expedition applications. It is engineered for a precise OE-style fit and is listed for 2003-2004 Ford Expedition, right side service.

The Walker CalCat line is designed for OBDII and non-OBD vehicles, with this application focused on California Air Resources Board compliance for regulated markets. If you need a replacement catalytic converter for a 2003-2004 Ford Expedition right side, part number 83592 is built around the original exhaust layout.

Key Features

• Walker CalCat direct-fit catalytic converter
• CARB certified for California and other CARB-regulated states
• OE-style fit for select Ford Expedition right-side applications
• Stainless steel body construction
• Ceramic substrate material
• Small oval and round body shape
• Pre- and post-catalyst oxygen sensor location
• 2-bolt loose flange inlet and outlet connections with flare details
• Fits 2003-2004 Ford Expedition, right

Detailed Description

Walker CalCat 83592 is a specific-fit catalytic converter for the right side of select 2003-2004 Ford Expedition models. It uses a stainless steel body, ceramic substrate, and direct-fit connection points to match the factory exhaust routing. The converter is CARB certified and carries Executive Order D-182-69 for the listed Ford Expedition applications.

This part number 83592 is listed for 2003 Ford Expedition right side with EFN 3FMXT05.4RF5 and 3FMXT05.4RFC, and for 2004 Ford Expedition right side with EFN 4FMXT05.4RFC. For installation, the listing notes additional part 31622 is needed to complete the job. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Replacement Reasons

• Failed emissions test or catalyst efficiency fault
• Check engine light related to catalyst performance
• Damaged or rusted factory converter housing
• Exhaust leak at the converter connection points
• Need for a CARB-compliant replacement on a Ford Expedition

Installation Notes

Verify engine family number, side, and emissions requirements before ordering. This converter is a direct-fit design for the right side and uses 2-bolt loose flange connections with flare-style pipe interfaces. Confirm that the required additional part 31622 is on hand before installation. Because fitment is specific, compare the original converter layout on your Ford Expedition to the listed inlet and outlet dimensions before assembly.

Quality Assurance

Walker CalCat converters are designed, tested, and validated to meet CARB standards for the applications listed. Part number 83592 is approved for sale and use in California and other states that require CARB-compliant replacement converters when installed on the specified 2003-2004 Ford Expedition applications.