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Fiber-Reinforced Construction: Multi-layer rubber with fiber reinforcement provides durability and resistance to high heat and coolant chemicals
Don’t let a faulty air injection pump check valve affect your Porsche’s performance
Simple Installation: Direct bolt-in using factory connections
06A145703JX
Vibration Dampening: Reduces noise and harshness from the suspension system
Porsche Engine Crankcase Breather Hose 94810721702 – Genuine Porsche Windshield Washer Pump Fiber-Reinforced Construction: Multi-layer rubber withEngine Crankcase Breather hoses are part of a vehicles Positive Crankcase Ventilation (PCV) system. The job of the PCV system is to allow pressure to escape from the crankcase in a controlled manner. It is necessary to vent the crankcase of positive pressure caused by engine blow by (gas from the combustion event that leaks past the pistons.) This blow by gas is routed back into the intake air stream thereby reducing the emission of unburned
