This hose is required when swapping to the LS6 and later engine valley covers from an LS1 valley cover. This is the positive crankcase ventilation (PCV) hose that connects the valley cover to the intake manifold.
Genuine GM Engine Oil Cooler and Oil Filter Assembly 55566784
GM #90409174 NOS GENUINE GM Engine Oil Cooler Nut (Quantity 1) BL17
Genuine GM Engine Oil Cooler Outlet Pipe 87824093
Genuine GM Engine Oil Cooler Line 87824094
New Genuine GM Engine Oil Cooler Hose Line Kit (2014-2021) OE 84791853
