Thread: Radiator Hose Diameter
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Old 04-23-2008, 03:29 PM   #2
Zef_66
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Default Re: Radiator Hose Diameter
Quote:
Originally Posted by 03GPScottyd View Post
What's the stock radiator hose diameter for a 2003 Grand Prix. Want to install my autometer temp guage but I need a hose adapter for it.

1 1/2

1 1/4

3/4

5/8

Sorry for the question but I'm at work and thought I'd order it while I'm here.
Either 1.25 or 1.5. Not sure off hand. But I am going to say at least 1.5".
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