Description:

Replacement Coolant Reservoir Tank - The coolant tank contains coolant fluid that is discharged from the cooling system attached to the engine. Pressure builds up and releases when the coolant is hot and expanding through the radiator and when the engine cools down, the excess fluid flows back into the radiator from the coolant tank of your vehicle.. Compatible Replacement for Cadillac, Chevrolet, GMC, Hummer Vehicles - 2002-2005 Escalade 5.3L 2002-2006 Escalade 6.0L 2003-2006 Escalade ESV 6.0L 2002-2006 Escalade EXT 6.0L 2002-2006 Avalanche 1500 5.3L 2002-2006 Avalanche 2500 8.1L 1999-2006 Silverado 1500 4.3L, 4.8L, 5.3L 2004-2006 Silverado 1500 6.0L 2007 Silverado 1500 Classic 4.3L, 4.8L, 5.3L, 6.0L 2001-2002, 2005-2006 Silverado 1500 HD 6.0L & more. See full vehicle list.. Replaces Part# 603-102, 15203949, 15075118, 15778386, 15778387, 15808715, 15808716, 19353731 commonly found on popular Silverado, Sierra, Yukon, Suburban and Escalade vehicles including models 99, 01, 02, 03, 04, 05, 06, 07, 08, 09. The coolant reservoir tank can easily be located on the engine bay mounted on the engine near and connected to the radiator. If you are experiencing leaks, low level of coolant and overheating engine then you may have a problem with your coolant reservoir tank.. OEM Fit, Quality, Finish - While this is not a genuine OEM part, it is a direct replacement and will look, fit and work exactly like the factory part. Coolant reservoir tank's common issue is leakage that can cause overheated engines. Safely turn off the engine and let the temperature drop before opening the radiator's cap or the coolant tank to reduce and release the pressure out safely..