This replacement water-in-fuel (WiF) sensor matches the function and performance of the original equipment sensor to prevent water damaging a diesel fuel injector. Made of quality materials, it has undergone extensive testing to ensure durability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Freightliner Century Class: 2001, 2004] - [Freightliner FB65: 2002, 2003, 2004] - [Freightliner FL50: 2000, 2001, 2002, 2003, 2004] - [Freightliner FL60: 2000, 2001, 2002, 2003, 2004] - [Freightliner FL70: 2000, 2001, 2002, 2003] - [Freightliner FS65: 2001, 2002, 2003, 2004] - [Freightliner M2 100: 2002, 2003, 2004] - [Freightliner M2 106: 2002, 2003, 2004] - [Freightliner M2: 2004] - [Freightliner MT45: 2001, 2002, 2003, 2004] - [Freightliner MT55: 2004] - [Sterling Acterra 8500: 2000, 2001, 2002, 2003, 2004] - [Sterling Truck Acterra 5500: 2001, 2002, 2003, 2004] - [Sterling Truck Acterra 6500: 2001, 2002, 2003, 2004] - [Sterling Truck Acterra 7500: 2001, 2002, 2003, 2004] - [Sterling Truck Acterra 8500: 2001, 2002, 2003] - [Sterling Truck Acterra: 2003, 2004] - [Sterling Truck L7500: 2004] - [Sterling Truck L8500: 2001, 2004] - [Sterling Truck LT8500: 2004]