International 4100 Exhaust Back Pressure Regulators

Walker Products began supplying the fuel system needs of the automotive industry in 1946. Today Walker is one of the largest, privately owned manufacturers of fuel system components and engine sensors, and has served the needs of the worldwide automotive aftermarket. We are committed to supplying products manufactured to meet or exceed OEM standards and specifications. This effort is backed by our own manufacturing, product management and engineering staff to ensure it is maintained and accurate in the production of quality parts, vehicle applications, instruction sheets and technical support. Our products include Carburetor and Fuel Injection Repair Kits, Oxygen Sensors and other Engine Management products such as Throttle Position Sensors, Cam and Crankshaft Sensors, Fuel Injectors, Spark Plug Wires and Gaskets. As an ISO 9001/IATF16949 certified company, we are committed to supplying the highest quality products. © 2022 Walker Products Inc. All rights reserved.

An essential component in the diesel electronic control system, this sensor provides the vehicle powertrain control module with exhaust back pressure. Failure of this component can result in a check engine light, poor driveability and excessive exhaust emissions.

An essential component in the diesel electronic control system, this sensor provides the vehicle powertrain control module with exhaust back pressure. Failure of this component can result in a check engine light, poor driveability and excessive exhaust emissions.