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This OE-quality part restores factory performance and extends service life
0V6 Audi A4 Quattro 2013–2016 2
Improved Handling: Restores factory suspension geometry for better stability and control
Previous Revisions 91155246300
Previous Revisions 92834145300
Engine Crankcase Breather Hose Remanufactured This OE-quality part restores factoryEngine 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