R600 Coolant Underhose/MQB/MQBE/EA888.3/EA888.4/Golf 8ROur R600 Coolant Underhose reroutes the ugly factory hose underneath your beautiful intake for a much cleaner look for all MK7 7. 5 EA888 Gen 3 Gen 3B engines and the new EA888 Gen 4 engine (MK8 Golf R S3 8Y) Factory one way valve incorporated, just like the original; don't run your car without this valve! Reinforced 4 ply reinforced silicone to withstand the high pressures of the coolant system Inner Fluro lining to be compatible with G12 and G13