These plug on to your Bosch Common Rail injector solenoid, remove your old damaged plug and replace with this part.

These connectors are suitable for Bosch diesel fuel systems and will fit a wide variety of diesel injectors and control valves. These connector kits are probably the most common type of connector kit for diesel fuel systems. (Please note that the fuel system must be Bosch). These connectors suit all Bosch Common rail diesel injectors starting with the part no. 0445 110. Please note these do NOT suit Mercedes engines.