PREMIUM QUALITY - Top quality Duramax Water in Fuel Sensor, also known as WiF sensor, usually built in the fuel filter, indicates the presence of water in the fuel. This Duramax Water Fuel Sensor helps you detect water in fuel and send you a warning；

FIT THE FOLLOWING VEHICLE - Duramax Water fuel sensor fit for 2001-2011 Chevy GMC 6.6L Duramax LB7 LLY LBZ LML LGH LMM engine, including 2001-2011 Chevy Silverado 2500 HD, 2007 Chevy Silverado 2500 HD Classic, 2001-2006 Chevy Silverado 3500, 2007 Chevy Silverado 3500 Classic, 2007-2011 Chevy Silverado 3500 HD, 2001-2011 GMC Sierra 2500 HD, 2007 GMC Sierra 2500 HD Classic, 2001-2006 GMC Sierra 3500, 2007 GMC Sierra 3500 Classic, 2007-2011 GMC Sierra 3500 HD；

REPLACE PART # - Replace GM 12639277 12639450 97384931, commonly found on 01 02 03 04 05 06 07 08 09 10 11 Chevy Silverado GMC Sierra 6.6 Duramax LB7 LLY LBZ LML LGH LMM Engine；

DIRECT FIT - Direct replacement for a proper fit and easy installation, quality materials used, meets or exceeds OEM standards, 100% tested before shipping. Even though it is not a genuine Chevy or ACDelco water in fuel indicator sensor, but it works even better and last longer. Save yourself hundreds of dollars by purchasing a MNJWS product, instead of getting it from a dealer；

BUY WITH CONFIDENCE - Order from MNJWS, we offer a 12 Months Warranty, true worry-free shopping experience. Whenever it fails, feel free to contact, our mechanic will sort things out for you；