Engine Crankcase Breather Hose Engine Cylinder Head Bolt Set High-quality steel construction: Built to

High-quality steel construction: Built to last with superior durability

Make Model Years Engine Volkswagen Arteon 2019–2020 2

Designed as a direct replacement for the original BMW part

Quality Steel: Constructed from high-grade steel for durability

0T TSI Volkswagen Jetta 2011–2018 2

Engine Crankcase Breather Hose Engine Cylinder Head Bolt Set High-quality steel construction: Built toEngine 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