Walker 84258 Catalytic Converter - Rear

Walker CalCat Direct-Fit Catalytic Converter

Walker CalCat 84258 is a direct-fit catalytic converter built for CARB-compliant replacement on select Honda CR-V applications. It is designed for a precise OE-style fit and is validated to meet California Air Resources Board standards for vehicles that require a certified replacement converter.

This Walker CalCat line focuses on direct-fit coverage for OBDII and non-OBD vehicles, with this application matching 2010-2011 Honda CR-V rear converter fitment. The stainless steel body, ceramic substrate, and welded flange connections support a factory-style exhaust repair on the Honda CR-V.

Key Features

• Walker CalCat direct-fit catalytic converter for specific vehicle applications
• CARB certified for use in California and other states that require CARB-compliant replacement converters
• Stainless steel body with ceramic substrate
• Round body design with 2-bolt welded flange inlet and 3-bolt welded flange outlet
• Pre-catalyst oxygen sensor location
• OE-style fit for rear exhaust placement
• Part number 84258 for application matching and catalog lookup

Detailed Description

Walker CalCat 84258 is engineered as a direct-fit catalytic converter for 2010-2011 Honda CR-V rear applications. It is built to align with OE-style exhaust geometry, using a stainless steel housing and ceramic substrate for a factory-type replacement layout. The converter is CARB certified and carries Executive Order D-182-72 for the listed Honda CR-V engine families, making it a fitment-specific option for emissions-regulated repairs. If you are searching for a 2010 Honda CR-V rear catalytic converter or a 2011 Honda CR-V rear catalytic converter, this part number is the catalog match to review.

Walker’s CalCat product line is positioned for direct-fit emissions replacement where CARB compliance is required. For this application, part number 84258 cross-references Monroe Shocks & Struts (e.g., 741312) for the same application.

Common Repair Uses

• Replacement for a failed or inefficient rear catalytic converter
• Repair for emissions test failure related to converter performance
• Replacement after catalyst substrate damage or restriction
• Correction for exhaust leaks at the converter flange connection
• Restoration of CARB-compliant exhaust configuration on a Honda CR-V

Installation Notes and Tips

Fits 2011 Honda CR-V, rear. Fits 2010 Honda CR-V, rear. Exhaust gasket is recommended, and additional parts are needed to complete installation: 31679 and 31589. Verify engine family number and emissions requirements before installation, especially for California and other CARB-regulated states. Confirm flange alignment and sensor placement before final tightening.

Quality Assurance

Walker states that CalCat converters are designed, tested, and validated for compliance with CARB standards. This part is intended for direct-fit replacement use on the listed Honda CR-V applications and should be matched to the vehicle’s emissions configuration before installation.