12639277 Water in Fuel Indicator Sensor Fit for 2001-2011 Chevrolet Silverado GMC Sierra Trucks 2500 2500HD 3500 3500HD 6.6L V8 for Duramax Diesel Engine Fuel Filter Replace # 12639450
【Replaces part number】12639277,12639450, 97384931, 904110
【Compatible with】For 2001-2011 GM 6.6L V8 Duramax Diesel ; Compatible with Chevrolet Silverado 2001-2011; for 2001-2005 Suburban; for 2001-2011 GMC Sierra; for 2001-2005 GMC Yukon 3/4 TON; for 2002-2005 Cadillac Escalade 3/4 TON
【Function】Detects if there is water in the vehicle's fuel supply and lets the Engine Control Unit (ECU) and/or dashboard indicator light know
【Design】Features a 12-sided nut for easy installation and removal, along with a stable construction for use in harsh conditions
【After-Sale Service】 If there is any problem with the product, you can ask for change order, please rest assured to buy