All Pro Truck Parts carries a large selection of diesel fuel injectors for heavy-duty trucks, commercial vehicles, and industrial equipment. We stock OEM, remanufactured, and aftermarket injectors from Bosch, PAI Industries, Stanadyne, Alliance, and other trusted suppliers — covering Cummins, Detroit Diesel, Caterpillar, International, PACCAR, Mack, Volvo, and Ford engine platforms.
Whether you are replacing a single failed injector or doing a full set swap, our inventory includes complete injectors and nozzle assemblies matched to your engine series. Every remanufactured injector is rebuilt to OEM tolerances for proper spray pattern, fuel delivery, and emissions compliance.
Use the categories below to shop by engine make, or search by part number for an exact match. Visit our help center if you need help cross-referencing an injector to your engine serial number.