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· Registered
1990 Eldorado Biarritz
22 Posts
Discussion Starter · #1 ·
1990 Eldorado Biarritz 4.5l V8
Can somebody please assist me getting the part number for this T-shape connecting cooling pipe, and advice on where to purchase a new one. It has the numbers 9012 02 printed on it. Thank You :)

Auto part Pipe Fuel line Engine Vehicle

· Super Moderator
2010 DTS
89,562 Posts
DO NOT use a universal T fitting. I forget the proper name, but it is in fact part of the heater core line, and it has a restrictor in one leg. Take note of which leg has that restrictor when you remove it. Install it wrong and you'll have (cabin) heating problems.

Why are you replaceinbg it?

I think it is the same part that is on a 4.9 engine.

· Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
22,493 Posts
like Ranger said - it is a very special part - NOT just a "T" fitting -
the correct name for that part is Heater Water Flow Control Valve
and the correct part number is - GM 15-5390
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