Engine Cooling - Radiators, Coolant Hose Kits, & More for Audi S4 Vehicles

A car's engine creates heat as its cylinders fire. In order for your engine to run properly the heat must be dissipated from the engine. Your engine's coolant system is made up of coolant hoses, radiator, radiator fans, water pump, thermostat, coolant flanges, thermostat, heater core, and a coolant temperature sensor. European vehicle's require a specialized from Audi, Porsche, or Volkswagen. USP offers a complete line of replacement coolants and replacement coolant system parts. Popular replacement part brands include Graf, Vemo, Bosch, Vaico, Hepo, Behr. In addition to replacement parts USP also offers performance cooling products from Motul, Mishimoto, Forge Motorsports, Spulen, and BG Products.