FASS Drop-In Series Diesel Fuel System 2017-2024 GM, (DIFSL5P1001)

2017-2023 L5P Duramax Drop-In Series System Features: The only drop-in L5P filtration system that retains full functionality of the water-in-fuel sensor! The only drop-in L5P filtration system with air separation! Increases lubricity of the fuel by up to 10% by removing entrained air and air vapor. Extends the life of fuel injection system components. Over 99% free and emulsified water separation with our Extreme Water Separator technology. 2 Micron absolute filtration rating. 100% drop-In, no additional modifications needed. Retains the factory in-tank lift pump. Works with the factory plastic cap or billet filter cap.