Engine Crankcase Breather Hose – From Oil Filler Neck Automatic Transmission Output Shaft Seal 9L4 Volkswagen Golf 1999–2001 1

9L4 Volkswagen Golf 1999–2001 1

0 TTS TFSI quattro AUDI TT (FV3

It helps protect your engine from contaminants and ensures consistent fuel delivery

Material Billet aluminum Number of ports 3 Compatible engine 1

it fits VW Jetta (1999-2001)

Engine Crankcase Breather Hose – From Oil Filler Neck Automatic Transmission Output Shaft Seal 9L4 Volkswagen Golf 1999–2001 1Engine 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