Engine Crankcase Breather Hose Bi-Xenon Professional installation recommended due to

Professional installation recommended due to air suspension system complexity

Efficient Thermal Management: Core design effectively removes heat from engine oil under all conditions

Quiet Operation: Anti-squeal shims included

precise steering performance to original specifications

Professional-grade rear main seal installation tool designed for precise alignment and smooth installation

Engine Crankcase Breather Hose Bi-Xenon Professional installation recommended due 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