Description:

Compatible With: This diesel water in fuel wif sensor fits Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 with 6.6L Duramax diesel engines from 20012011, including LB7, LLY, LBZ, LMM, and LM1 variants.. Replace OE: The water in fuel indicator sensor replacement OE numbers are 12639277, 12639450, and 97384931.. : The drain valve fuel filter sensor features an 8-sided threaded design with high-sealing O-ring, built from robust materials to ensure secure fitment and long-term resistance to diesel and water exposure.. Function: This water-in-fuel sensor monitors moisture levels in diesel and alerts the ECU or dashboard indicator light. Package include: 1 x 12639277 Diesel Water in Fuel WiF Sensor with integrated harness (7.87" length)..