Walker 15142 Catalytic Converter - Left or Right

Walker EPA Universal Catalytic Converter 15142

Walker EPA 15142 is a universal catalytic converter for pre-OBDII vehicles that need EPA emissions compliance and a direct-path exhaust flow solution. With a stainless steel body, ceramic substrate, and 2.5-inch pipe connections, it is built for universal exhaust applications where the original converter has failed or the system has been modified.

Walker EPA universal catalytic converters are positioned for 1975-2002 vehicles and are commonly searched for by owners of Ford F-150, Ford Bronco, and Dodge Ram 2500 trucks needing an EPA-compliant replacement. Part number 15142 is also referenced in exhaust repair searches for older Buick and Chevrolet applications.

Key Features

• Universal fit catalytic converter for pre-OBDII vehicles
• EPA emissions-focused design for required tailpipe emissions reduction
• Stainless steel body with ceramic substrate material
• 2.5-inch inlet and 2.5-inch outlet pipe connections
• Large oval body shape with 18-inch overall length
• Air tube included in the converter design
• Regular-grade, economy product line from Walker EPA

Product Details

Walker EPA 15142 is a universal catalytic converter built for exhaust systems that require a 2.5-inch inlet and outlet and a large oval converter body. The stainless steel shell helps resist exhaust-system corrosion, while the ceramic substrate supports emissions reduction in older gasoline applications. This part number is listed across a wide range of vehicles, including 1994-2002 Dodge Ram 2500 and Ram 3500, plus many Ford truck and van applications such as the Ford F-150, Ford Bronco, and E-Series vans.

The Walker EPA product line focuses on EPA emissions requirements for pre-OBDII vehicles, making this converter a practical choice for older federal-emissions-equipped vehicles. Part number 15142 is also cross-referenced with Standard Ignition SC406 for the same application.

What It Can Help Address

• Failed catalytic converter causing emissions-test failure
• Restricted exhaust flow from a worn or damaged converter
• Check-engine concerns tied to exhaust-system efficiency on older vehicles
• Replacement needs on modified or universal exhaust setups
• EPA-compliant repair requirements on pre-OBDII applications

Installation Notes

Compatible With 1994-2002 Dodge Ram 2500, left or right; 1994-2002 Dodge Ram 3500, left or right; 1991-1995 Ford Bronco; 1984-1995 Ford E-150 Econoline; 1984-1995 Ford E-150 Econoline Club Wagon; 1984-1995 Ford E-250 Econoline; 1987-1995 Ford E-350 Econoline; and additional 1975-2002 Buick, Chevrolet, and Ford applications listed in the fitment data. Modifications and/or additional parts may be required for installation, and some applications note air-tube or multi-converter replacement requirements. Verify pipe diameter, converter location, and emissions rules before installation.

Quality Assurance

Walker EPA 15142 is engineered to meet EPA emissions requirements for applicable pre-OBDII vehicles. It is not CARB certified and is not legal for sale or use in California and other CARB-compliant states.