15808714 603-125 Coolant Reservoir Tank with Cap & Sensor Compatible with 2001 - 2007 Chevrolet Silverado 2500 HD, 2500 HD Classic, 3500, 3500 Classic | GMC Sierra 2500 HD, 2500 HD Classic, 3500, etc
When Should I Replace My Coolant Reservoir Tank? - A coolant reservoir is part of the engine cooling system and is a small plastic container attached to the radiator or engine block. Its main function is to collect and store excess coolant that expands when heated, and it plays a very important role in the cooling system. If your car is experiencing problems such as engine overheating, low coolant levels, leaks, and coolant odor, you may need to replace your coolant reservoir.
Replacement Part Numbers - 603-125, 603125, 15808714, 15085725, 19353729, 15075118. Please check the detailed description or enter Year/Make/Model to check your compatibility before purchasing this radiator overflow tank.
Compatible with Select Chevy & GMC Models - 2001 - 2006 Chevrolet Silverado 2500 HD, 2007 Chevrolet Silverado 2500 HD Classic, 2001 - 2006 Chevrolet Silverado 3500, 2007 Chevrolet Silverado 3500 Classic, 2001 - 2006 GMC Sierra 2500 HD, 2007 GMC Sierra 2500 HD Classic, 2001 - 2006 GMC Sierra 3500, 2007 GMC Sierra 3500 Classic.
Direct Replacement - Perfect match, direct replacement. When replacing the coolant overflow tank, please turn off the car and wait for the tank to cool down before proceeding. This coolant reservoir replacement is made from premium materials to ensure superior quality and long-lasting performance. This is not a genuine part, but an aftermarket replacement.
Service Guarantee - We have strict quality control standards to ensure high performance. If you have any questions or concerns, please feel free to contact us.