LS6 coolant lines
TECH Senior Member
Joined: Dec 2001
Posts: 5,399
Likes: 3
From: Jacksonville, FL
I meant the old PN's for the LS6 if you found them posted on the site. Helped a buddy install his quite a while ago, his intake came with new gaskets and he got the coolant lines from the dealer. Last I heard the front coolant pipe was 12568478 and the plugs for the rear were 12562788. Don't know if they can cross-reference them, if not just have them look up the pipes for an '01.
the part #s for the front pipe is good on www.LS1howto.com but the plug #'s are wrong. You can hack off your back pipes and plug them with a rubber hose and bolt if you're into that sort of thing. I would reccomend buying the front pipe. This coming from a guy who has had his intake off 3 times in the past week chasing coolant leaks.
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Originally Posted by Toasty
I did some searching, but all I could find was old part numbers. What are the three current parts numbers for the LS6 seals/coolant lines? Thanks.
12581213 for the crossover pipe.
Hope that helps.
