Walker 82584 Catalytic Converter - Front Left

Walker CalCat Direct-Fit Converter

Walker CalCat 82584 is a direct-fit catalytic converter built for specific Nissan and INFINITI applications. It is CARB certified for use in California and other states that require CARB-compliant replacement converters, with OE-style fitment for 2002-2004 Nissan Maxima and INFINITI I35 front left applications.

The Walker CalCat line is designed, tested, and validated for emissions compliance, with a focus on precise fit and correct flange configuration. Part number 82584 is a direct replacement for the front left converter location on the listed vehicles.

• CARB certified for regulated-state emissions compliance
• Direct-fit design for specific vehicle applications
• Stainless steel body construction
• Ceramic substrate material
• 6-bolt welded flange inlet and 3-bolt welded flange outlet
• Post-catalyst oxygen sensor location
• Includes front gasket for installation
• OE-style fit for 2002-2004 Nissan Maxima and INFINITI I35, front left

Fitment and Application Details

Compatible with 2004 INFINITI I35, front left; 2003 INFINITI I35, front left; 2002 INFINITI I35, front left; 2003 Nissan Maxima, front left; and 2002 Nissan Maxima, front left. This part cross-references 941078 for the same application.

Walker CalCat 82584 is built around the listed fitment and flange layout, making it a practical replacement for vehicles that need a CARB-compliant catalytic converter with direct-fit installation. Search terms such as 2002 Nissan Maxima front left catalytic converter, 2003 INFINITI I35 CARB converter, and Walker 82584 direct-fit catalytic converter match this application.

What It Helps Address

• Failed emissions testing caused by a worn or inefficient converter
• Check engine light concerns related to catalyst efficiency
• Exhaust leaks at the converter flange connection
• Replacement needs after physical damage or internal substrate breakdown
• CARB compliance requirements in California and other regulated states

Installation Notes

Verify engine family number, model year, and front left position before installation. Additional part 31566 is listed as needed to complete installation, and the front gasket is included. Confirm the inlet and outlet flange style matches the vehicle exhaust connection before beginning the repair.

Quality Assurance

Walker CalCat converters are designed, tested, and validated to meet CARB standards for the listed applications. Part number 82584 is a CARB-certified replacement catalytic converter for specific 2002-2004 Nissan Maxima and INFINITI I35 vehicles.