TOPSCOPE FP3684M - Fuel Pump Module Assembly E3684M fits 2004 2005 2006 2007 Chevrolet Silverado 1500, GMC Sierra 1500 1-YEAR / 365-DAY UNLIMITED MILEAGE WARRANTY PLEASE CHECK THE YEAR/MAKE/MODEL DROP DOWN MENU AT THE TOP OR PRODUCT DESCRIPTION OF THE PAGE TO MAKE SURE THIS PART FITS YOUR VEHICL IF YOU HAVE ANY QUESTIONS ABOUT OUR PRODUCTS, PLEASE MESSAGE US BEFORE YOUR PURCHASING. WE WILL ANSWER YOU WITHIN 24 HOURS Do not reuse any old parts.Eg.Fuel Strainer,Fuel Pressure Sensor. Every single pump is 100% tested before shipping out CHEVROLET SILVERADO 1500 2004 V8-4.8L Crew Cab Pickup CHEVROLET SILVERADO 1500 2005 V8-4.8L Crew Cab Pickup CHEVROLET SILVERADO 1500 2006 V8-4.8L Crew Cab Pickup; Extended Cab Pickup, 69.2 Bed Length CHEVROLET SILVERADO 1500 2004 V8-5.3L Crew Cab Pickup, GAS, Vin (T) CHEVROLET SILVERADO 1500 2005 V8-5.3L Crew Cab Pickup, GAS, Vin (T) CHEVROLET SILVERADO 1500 2006 V8-5.3L Crew Cab Pickup, GAS, Vin (T), 69.2 Bed Length CHEVROLET SILVERADO 1500 2006 V8-6.0L 69.2 Bed Length GMC SIERRA 1500 2004 V8-4.8L Crew Cab Pickup GMC SIERRA 1500 2005 V8-4.8L Crew Cab Pickup GMC SIERRA 1500 2006 V8-4.8L GMC SIERRA 1500 2004 V8-5.3L Crew Cab Pickup, GAS, Vin (T) GMC SIERRA 1500 2005 V8-5.3L Crew Cab Pickup, GAS, Vin (T) GMC SIERRA 1500 2006 V8-5.3L Crew Cab Pickup, GAS, Vin (T), 69.2 Bed Length GMC SIERRA 1500 2004 V8-6.0L GMC SIERRA 1500 2005 V8-6.0L GMC SIERRA 1500 2006 V8-6.0L SLE &amp; SLT, 69.2 Bed Length; Denali, 68.4 Bed Length GMC SIERRA 1500 CLASSIC 2007 V8-4.8L Extended Cab Pickup &amp; Crew Cab Pickup, 69.2 Bed Length GMC SIERRA 1500 CLASSIC 2007 V8-5.3L Crew Cab Pickup, GAS, Vin (T) GMC SIERRA 1500 CLASSIC 2007 V8-6.0L 68.4 Bed Length; 69.2 Bed Length Vehicle makes high pitched sound when the engine is first engaged; Sudden trouble accelerating; Low fuel pressure. Always keep enough fuel in the tank for the pump to be submerged in gas;