Walker 83568 Catalytic Converter - Left

Walker CalCat Direct-Fit Catalytic Converter

Walker CalCat 83568 is a direct-fit catalytic converter built for CARB-compliant replacement on select Ford F-150 applications. It is engineered for an OE-style fit and is designed, tested, and validated to meet California Air Resources Board standards for the listed vehicles.

Compatible With 2002-2004 Ford F-150 and 2004 Ford F-150 Heritage, left-side applications, this Walker CalCat converter is a fitment-focused replacement for emissions service. The Walker CalCat line is aimed at direct-fit installations where precise routing, sensor placement, and emissions compliance matter.

Key Features

• Direct-fit catalytic converter for specific Ford truck applications
• CARB certified for sale and use in California and other CARB-requiring states
• OE-style fit for the listed left-side applications
• Standard oval body with stainless steel construction
• Ceramic substrate material
• 2-bolt loose flange inlet with spherical flare
• Pipe connection outlet with 2.5 in. outside diameter
• Midbed oxygen sensor location
• Walker CalCat part number 83568

Detailed Description

Walker CalCat 83568 is a direct-fit catalytic converter for the 2002-2004 Ford F-150 and 2004 Ford F-150 Heritage, left side. It uses a standard oval body, stainless steel housing, and ceramic substrate to match the listed application requirements while maintaining the correct inlet, outlet, and oxygen sensor layout. The Walker CalCat product line focuses on CARB-compliant replacement converters with precise OE-style fitment for vehicles that require emissions-certified parts.

This part number 83568 is listed for 2002 Ford F-150, 2003 Ford F-150, 2004 Ford F-150, and 2004 Ford F-150 Heritage left-side applications. If you are searching for a CARB-compliant catalytic converter for Ford F-150 2002-2004 or a direct-fit replacement for Ford F-150 Heritage 2004 left side, this unit matches the confirmed fitment data.

This part cross-references no listed interchange numbers for the same application.

What It Is Used For

• Replacing a failed or inefficient catalytic converter on the listed Ford F-150 applications
• Restoring emissions-system function after catalyst efficiency faults
• Addressing check engine light concerns related to catalyst performance
• Replacing a damaged or corroded left-side converter assembly
• Meeting CARB emissions requirements where applicable

Installation Notes and Tips

Verify the vehicle year, model, engine family number, and left-side fitment before ordering. This converter uses a 2-bolt loose flange inlet with spherical flare and a pipe connection outlet, so exhaust alignment should be checked against the existing system before installation. Confirm oxygen sensor location and exhaust routing on the vehicle to ensure the replacement matches the original configuration.

Quality Assurance

Walker states that CalCat direct-fit catalytic converters are designed, tested, and validated for CARB compliance and OE-style fitment. This part is CARB certified and listed for the specified Ford F-150 applications.