Walker 84302 Catalytic Converter

CARB-Compliant Universal Converter

Walker CalCat 84302 is a universal catalytic converter built for emissions repair where CARB compliance is required. It is validated for OBDII and non-OBD applications and uses a stainless steel body with a ceramic substrate for regular-duty replacement service.

Key Features

• CARB certified for use in California and other states that require compliant replacement converters
• Universal fit design with pipe connection inlet and outlet
• Stainless steel body with ceramic substrate
• 2.25-inch inlet and outlet inside diameter
• Round body shape with 7.625-inch overall length
• Walker CalCat product line for emissions-focused replacement applications

Detailed Description

This Walker catalytic converter is part number 84302 and is engineered for universal replacement use across a wide range of vehicles from 2005 through 2019. Fitment includes Nissan Sentra, Chevrolet Malibu, and Mercedes-Benz AMG applications, with positions listed as front, front left, front right, right center, and left center depending on the vehicle. The CalCat line is designed, tested, and validated to meet CARB standards, making it a practical choice for emissions repairs that must follow state-specific requirements. This part number 84302 is a universal converter with pipe connections at both ends and no oxygen sensor port location.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Replacing a failed or restricted catalytic converter
• Addressing emissions test failures related to converter efficiency
• Restoring exhaust flow after converter damage or contamination
• Meeting CARB-compliant replacement requirements where applicable
• Servicing universal-fit exhaust repair jobs that require pipe connections

Installation Notes and Tips

Installation may require modifications and/or additional parts, depending on the vehicle and exhaust layout. Confirm inlet and outlet diameter, mounting position, and emissions requirements before installation. Because this converter is universal, verify the application details against the vehicle’s exhaust configuration and state regulations. Part number 84302 should be matched carefully to the listed fitment and engine family notes.

Quality Assurance

Walker states that CalCat converters are designed, tested, and validated for compliance with CARB standards. This part number 84302 is intended for regulated emissions repair use and is certified for California and other CARB-requiring states.