Walker 84235 Catalytic Converter

Walker CalCat Direct-Fit Catalytic Converter

Walker CalCat 84235 is a direct-fit catalytic converter built for CARB-compliant replacement on select Nissan Versa and Versa Note applications. It is engineered for a precise OE-style fit and is designed, tested, and validated to meet California Air Resources Board standards.

Walker CalCat is the direct-fit emissions line from Walker, focused on replacement converters for OBDII and non-OBD vehicles where CARB compliance and factory-style fitment matter. This part number is built for specific vehicle applications and follows the original exhaust layout for easier installation and proper alignment.

• CARB certified for legal sale and use in California and other CARB-requiring states
• Direct-fit design for OE-style installation on select Nissan Versa and Versa Note models
• Stainless steel body construction with ceramic substrate material
• Round body shape with 2-bolt welded flange inlet and outlet
• Post-catalyst oxygen sensor location
• Compatible with 2012-2017 Nissan Versa and Versa Note applications listed below
• Part number 84235 for fitment-based replacement searches

This catalytic converter is used as a replacement emissions component for vehicles with a failed, restricted, or non-compliant converter. It is a fitment-specific solution for Nissan Versa and Nissan Versa Note owners needing a CARB-approved replacement that matches the factory exhaust connection style. This part cross-references MagnaFlow Exhaust Products (e.g., 551753) for the same application.

Vehicle Fitment

• Fits 2017 Nissan Versa, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) HNSXV01.6N4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2017 Nissan Versa Note, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) HNSXV01.6N4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2016 Nissan Versa, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) GNSXV01.6G4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2016 Nissan Versa Note, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) GNSXV01.6G4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2015 Nissan Versa, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) FNSXV01.6G4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2015 Nissan Versa Note, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) FNSXV01.6G4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2014 Nissan Versa, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) ENSXV01.6G4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2014 Nissan Versa Note, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) ENSXV01.6G4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2013 Nissan Versa, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) DNSXV01.6G4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.
• Fits 2012 Nissan Versa, N/A. CARB Executive Order D-182-72; Engine Family Number (EFN) CNSXV01.6G4A; legal for sale and use in California and other states requiring CARB-compliant replacement converters; exhaust gasket is recommended; additional parts needed to complete installation: 31364 and 31615; direct fit type; CalCat.

Installation Notes

Verify the engine family number and CARB Executive Order before installation. An exhaust gasket is recommended, and the listed additional parts should be confirmed before beginning the job. Because this is a specific-fit catalytic converter with welded flange connections, proper alignment of the exhaust system is important for sealing and sensor function.

Quality Assurance

Walker CalCat converters are designed, tested, and validated for CARB compliance and OE-style fitment. This part is built as a direct-fit emissions replacement for the listed Nissan Versa and Versa Note applications, with stainless steel construction and a ceramic substrate for regulated exhaust service.