Water in Fuel Indicator Sensor for 2001-2011 for Chevrolet Silverado for GMC Sierra Trucks 2500 2500HD 3500 3500HD 6.6L V8 for Duramax for Diesel Engine, Replaces 12639277

for following Vehicles----for Chevrolet for Silverado 2500, 2500HD, 3500, 3500HD 2001-2011for GMC for Sierra 2500, 2500HD, 3500, 3500HD 2001-20116.6L V8 for Duramax for Diesel EngineThis water in fuel indicator sensor is designed to alert the Engine Control Unit (ECU) and/or dashboard lamp indicator when water is detected in the vehicle's fuel supply. It is a direct replacement for OEM part numbers 12639277, 12639450, 97384931. The sensor features an 8-sided design, which requires the correct tools for installation. The harness length is 7.87 inches (excluding the plug). When installing, ensure the O-ring is properly sealed to prevent leaks. If you have any questions after receiving the product, please contact us for quality after-sales service.

• The length of the harness is 7.87 inches (excluding the plug). When installing, observe the O-ring, seal the O-ring in the filter, it can be completely sealed, and no leakage will occur
• Special reminder: This sensor is 8-sided design, which is not the same as OEM’s 12-sided. So please choose right tools to install this sensor
• OEM Replacement Sensor: 2500HD 3500 for Silverado for Sierra 6.6L V8 for Duramax for Diesel: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
• Let the Engine Control Unit(ECU) and/or dashboard lamp indicator know when water detection has occurred in the vehicle's fuel supply
• 1-year Warrant-y: If any quality issues arise, please contact us for a refund or replacement