Walker 54613 Catalytic Converter

Walker EPA Direct-Fit Catalytic Converter

Walker EPA 54613 is a direct-fit catalytic converter for pre-OBD vehicles that need EPA emissions compliance and a factory-style exhaust connection. It is built for specific applications, including Ford Ranger and Mazda B2300 fitments, with a stainless steel body and ceramic substrate for dependable exhaust flow and emissions control.

Key Features

• Direct-fit catalytic converter for specific vehicle applications
• EPA-compliant design for pre-OBD vehicles
• Stainless steel body with standard oval housing
• Ceramic substrate material
• 2.625-inch inlet inside diameter
• 2-bolt loose flange with spherical flare inlet connection
• 2-bolt welded flange outlet connection
• No air tube provision
• Walker EPA 54613 part number for application matching

Detailed Description

Walker EPA 54613 is engineered as a direct replacement catalytic converter for 1986-1994 Ford Ranger, 1994 Mazda B2300, and 1987-1994 Ford Ranger applications listed for EPA Federal Emission Equipped vehicles. The converter uses a stainless steel body with a ceramic substrate and a standard oval shape to match the original exhaust layout. Its 38.25-inch overall length, 10-inch body length, and 6.125-inch body width support a direct-fit installation on the specified vehicles. Walker’s EPA Standard direct-fit line focuses on pre-OBD applications that require emissions reduction while maintaining the correct fitment and exhaust routing. This part cross-references DENSO Auto Parts 4099 for the same application.

What It Helps Address

• Failed or inefficient catalytic converter operation
• Exhaust emissions that no longer meet EPA requirements
• Check-engine concerns related to converter performance on pre-OBD vehicles
• Exhaust fitment issues when replacing an original direct-fit converter
• Corrosion-related replacement needs in the exhaust system

Installation Notes and Tips

Confirm the vehicle is within the listed fitment range before ordering. This converter uses a 2-bolt loose flange with spherical flare inlet and a 2-bolt welded flange outlet, so matching the existing exhaust connections is important. An exhaust gasket is recommended during installation. This unit has no oxygen sensor port location and no air tube provision, so verify the original exhaust configuration on the Ford Ranger or Mazda B2300 before installation. Fitment includes 1986 Ford Ranger from 01/02/1986, 1987-1994 Ford Ranger, and 1994 Mazda B2300.

Quality Assurance

Walker EPA catalytic converters are built for EPA emissions requirements on pre-OBD vehicles and are intended to provide the required reduction in tailpipe emissions for the listed applications. This part is not CARB certified and is not legal for sale or use in California and other CARB-compliant states. It is legal in New York and Maine on EPA Federal Emission Equipped vehicles only; check local aftermarket converter regulations before purchase.