hose help

[wally]

what is he name of the hose that runs from the valve cover to the air cleaner spacer on a 91 gmc seirra sclb 305 with tbi injection i have a 95 short bed v8 that has the same hose not the pcv system this hose is on the drivers side valve cover the reason i ask is i dont know what it is call so i dont now what to buy

 

[Johnbalderas90k1500]

I think it is a crankcase vent hose or breather

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