Walker 84107 Catalytic Converter - Front

Walker CalCat 84107 Overview

Walker CalCat 84107 is a universal catalytic converter built for CARB-compliant replacement applications on select OBDII and non-OBD vehicles. It is designed for front-position use on vehicles such as the Toyota Tacoma, Buick Lucerne, and Chevrolet Impala where California Air Resources Board certification is required.

Walker CalCat universal catalytic converters are part of the CalCat line, which focuses on CARB-certified replacement coverage for emissions-related repairs. This model uses a round stainless steel body with ceramic substrate construction and 2.5-inch pipe connections for inlet and outlet fitment.

Key Features

• Part number: 84107
• CARB certified for use in California and other states requiring CARB-compliant replacement converters
• Universal fit design for select applications
• Round body shape with stainless steel housing
• Ceramic substrate material for emissions control
• 2.5-inch inlet and outlet pipe connections
• Overall length: 12 inches
• Front-position fitment on listed vehicles

Detailed Product Description

Walker 84107 is a universal catalytic converter engineered for emissions repair where CARB compliance is required. The CalCat line is designed, tested, and validated to meet CARB standards, making this converter a direct choice for regulated replacement work on select 2009-2014 applications. Listed fitment includes 2014 Toyota Tacoma front, 2013 Toyota Tacoma front, 2011 Buick Lucerne front, 2011 Chevrolet Impala front, 2010 Buick Lucerne front, 2010 Chevrolet Impala front, and 2009 Buick Lucerne front.

With a stainless steel body, ceramic substrate, and pipe connection inlet/outlet design, this converter is built for exhaust system integration where a universal-style CARB converter is needed. The Walker CalCat 84107 part number is commonly searched for Toyota Tacoma catalytic converter replacement and Buick Lucerne or Chevrolet Impala front catalytic converter applications.

This part cross-references no listed interchange numbers for the same application.

What It Helps Address

• Failed emissions testing due to a worn or inefficient catalytic converter
• Check engine light concerns related to catalyst efficiency codes
• Exhaust system replacement needs on CARB-regulated vehicles
• Front catalytic converter replacement on select Toyota Tacoma, Buick Lucerne, and Chevrolet Impala models
• Need for a CARB-certified universal catalytic converter with 2.5-inch connections

Installation Notes and Tips

Installation may require fabrication, adaptation, or additional parts because this is a universal-type converter. Verify inlet and outlet diameter, overall length, body dimensions, and front-position routing before installation. Confirm state emissions requirements and vehicle-specific CARB Executive Order details before use. Professional installation is recommended for proper exhaust alignment and emissions compliance.

Quality Assurance

Walker CalCat converters are designed, tested, and validated for CARB compliance. Part number 84107 is certified by the California Air Resources Board and is listed for regulated replacement use on the specified applications.