Genuine OEM GM Thermostat & Water Inlet 1999-2007 Silverado/Sierra Truck & SUV, GM Genuine OEM GM Thermostat & Water Inlet 1999-2007 Silverado/Sierra Truck & SUV FITMENT:1999-2007 Silverado 4.8L/5.3L/6.0L1999-2007 Sierra 4.8L/5.3L/6.0L2003-2006 SSR 5.3L/6.0L2004-2007 GM SUV's 4.8L/5.3L/6.0L/8.1L MSRP: Was: Price: Now: $59.95 Quick view Add to Cart SKU: 12600172/15-11057