Walker Products, Inc. has served the needs of the worldwide automotive aftermarket since 1946. Walker is one of the largest privately owned manufacturers of Fuel System Components and Engine Management Devices. The company offers its products to parts distributors worldwide. Walkers portfolio features a wide arrangement of automotive products. The company is the largest producer of carburetor components and tune-up kits. Walker also offers fuel system components such as fuel injection repair kits, fuel injectors, fuel injection components and fuel pressure regulators. It also offers engine management devices, such as throttle position sensors, air charge temperature sensors, engine coolant temperature sensors, manifold absolute pressure sensors, spark plug wires, and glow plugs. In addition to these, Walker is best known for its line of superior quality oxygen sensors, which feature significant model coverage and the best ROI of any brand in the aftermarket. Walker also has facilities that specialize in gasket fabrication and the production of custom, machined components.