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Hello,
If possible can anyone provide me parts numbers for the hoses circled in pictures? Anything I've come across uses different describing terms so I'm a bit confused.
(Hose to radiator with mesh jacket)
Thanks!
I think that's the Engine Air Bleed hose (Discontinued - 12562165). You probably won't be able to get it from GM, but may find a replacement part through AC Delco or one of the aftermarket companies that makes molded hoses. (Gates, Goodyear, etc.)
those hoses are available thru aftermarket.....if you live in a warm climate you may consider bypassing the flow of coolant thru the the throttle body to keep it cooler....the purpose of the hose is to keep the throttle body warmer in cold conditions
I placed an order on RA for the hose with mesh cover ACDELCO 18015L (hopefully correct)
And the smaller U shape hose appears as if I could just use bulk hose from a parts store, is that correct to assume? Or is each side different diameter?
I thought I saw the small hose on RA too. They call it throttle body to pipe or something like that.
they had like 6 variations and most with different names, confused me.. Think I may try and go for the bulk hose unless I'm wrong and each end is different size. Outside of the U shape it doesn't look like anything special?
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Identifying coolant hose? 
