Engine Crankcase Breather Hose – From Oil Filler Neck Mirror Control Switch 4L5 Volvo S70 1999–2000 2

4L5 Volvo S70 1999–2000 2

Part Number 6010

OE-Grade Replacement: Matches original specifications for a seamless fit in Rabbit and Jetta models

and Scirocco from the 1980s through early 2000s

Engine Crankcase Breather Hose – From Oil Filler Neck Mirror Control Switch 4L5 Volvo S70 1999–2000 2Engine 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