Walker 84150 Catalytic Converter with Integrated Exhaust Manifold - Front Left

CARB-Compliant Manifold Catalytic Converter

Walker CalCat 84150 is a catalytic converter with integrated exhaust manifold built for CARB-compliant replacement on select Toyota and Lexus applications. It is engineered for a precise OE-style fit and is validated to meet California Air Resources Board standards for covered vehicles.

• CARB certified with Executive Order D-182-72
• Integrated exhaust manifold design for direct replacement service
• Stainless steel converter body with ceramic substrate
• 6-bolt welded flange inlet and 2-bolt welded flange outlet
• Pre-catalyst oxygen sensor location
• Includes front and rear gasket
• OE-style fit for front left applications

Walker CalCat Product Line

Walker CalCat is the brand’s CARB-focused converter line for OBDII and non-OBD vehicles. This product line is built around emissions compliance, correct mounting geometry, and application-specific fitment for replacement service where a manifold-style converter is required.

Fitment Details

Compatible with select 2005-2012 Toyota Avalon, 2007-2010 Toyota Camry, and 2007-2012 Lexus ES350 front left applications. Fits 2005 Toyota Avalon, front left; 2006 Toyota Avalon, front left; 2007 Toyota Avalon, front left; 2008 Toyota Avalon, front left; 2009 Toyota Avalon, front left; 2010 Toyota Avalon, front left; 2011 Toyota Avalon, front left; 2012 Toyota Avalon, front left. Fits 2007 Toyota Camry, front left; 2008 Toyota Camry, front left; 2009 Toyota Camry, front left; 2010 Toyota Camry, front left. Fits 2007 Lexus ES350, front left; 2008 Lexus ES350, front left; 2009 Lexus ES350, front left; 2010 Lexus ES350, front left; 2011 Lexus ES350, front left; 2012 Lexus ES350, front left. This part cross-references common aftermarket replacement applications for the same vehicle family.

What This Part Helps Address

• Failed catalytic converter emissions testing
• Check engine light concerns related to catalyst efficiency
• Exhaust leaks at the manifold-to-pipe connection
• Broken or corroded manifold converter housing
• CARB compliance requirements in regulated states

Installation Notes

Use the listed front left application only and verify engine family number before installation. Exhaust gasket is recommended, and the fitment notes specify additional part 31332 to complete installation. Confirm flange style, oxygen sensor location, and manifold alignment before tightening fasteners.

Quality Assurance

Walker designed, tested, and validated this CalCat converter for CARB compliance and OE-style fitment. CARB Executive Order D-182-72 applies to the listed vehicles and model years.