Engine Oil Cooler for the Audi RS4 4.2 (B7 2006-2008) Audi > TT > Mk3 (2015-) > 40 TFSI (2021-) (8S) and know that your valve

and know that your valve will always perfectly match your engine and give optimum performance

Large diameter: 51mm (2")

offering improved turbo response and durability for your vehicle

While Forge Motorsport is happy to supply you with an actuator

Engine Oil Cooler for the Audi RS4 4.2 (B7 2006-2008) Audi > TT > Mk3 (2015-) > 40 TFSI (2021-) (8S) and know that your valveThis kit has been designed to address the weakness of the stock oil cooler the cooler fitted to your car from Audi is aluminium, but the fittings on the ends of the cooler hoses are steel. The result is corrosion between the two different metals which cracks the fittings over time, causing a slow oil leak that gets worse with age, and eventually ends in a catastrophic failure of the oil cooler lines and if you are unlucky, the engine too. Due to the