Porsche Engine Coolant Thermostat (w/ Housing) 95510611100 Bosch 16130 8L4 Audi A4 2002–2004 3

8L4 Audi A4 2002–2004 3

99970728541

Make Model Years Engine Porsche 928 1978–1979 4

0L4 Audi 4000 1980–1982 2

Matches factory specifications for seamless fitment

Porsche Engine Coolant Thermostat (w/ Housing) 95510611100 Bosch 16130 8L4 Audi A4 2002–2004 3Your engine coolant thermostat sits between the engine and the radiator, in a thermostat housing. The thermostat blocks the flow of coolant to the radiator until the engine has warmed up. Once the engine is warm enough, usually around 200 220 degrees F, the thermostat opens and allows the coolant to flow. The engine coolant thermostat is the most common component of the cooling system to fail, which can cause your car to overheat in the unlikely event