Fitment: Fuel Injector Solenoid Replacement for 1994-2003 Powerstroke 7.3L.|Part Number: DPS0037 3293 151-335.|Function: If you are having a hard starting problem, injectors that are failing a buzz test, this may correct the problem.|Installation: This solenoid can be installed without removing the injectors from the engine.|Materials: The fuel injector solenoid is made of high-quality material for prolonged life and superior performance.