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 - V10-4478, 8K0121403Q, 8K0121403T, 8K0121403D, 8K0121403G. Please check the detailed description or enter Year/Make/Model to check your compatibility before purchasing this radiator overflow tank.
Compatible with Select Audi Models - 2012 - 2016 Audi A4 L4 1.8L, 2014 - 2016 Audi A4 L4 2.0L, 2012 - 2016 Audi A4 L4 2.0L, 2013 - 2016 Audi A4 Quattro L4 2.0L, 2012 - 2016 Audi A4 Quattro L4 2.0L, 2013 - 2014 Audi A4 Quattro V6 3.0L, 2012 Audi A4 Quattro V6 3.2L.
Compatible with Select Audi Models - 2012 - 2014 Audi A5 L4 1.8L, 2012 - 2014 Audi A5 L4 2.0L, 2013 - 2016 Audi A5 Quattro L4 2.0L, 2012 - 2016 Audi A5 Quattro L4 2.0L, 2012 - 2014 Audi A5 Quattro V6 3.0L, 2013 - 2016 Audi Allroad L4 2.0L, 2013 - 2016 Audi Q5 L4 2.0L, 2011 - 2016 Audi Q5 L4 2.0L.
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. We have strict quality control standards to ensure high performance. If you have any questions or concerns, please feel free to contact us.