Rad hoses

Discuss your 2000-2005 Bonneville SE, SLE, SSEi, Buick Le Sabre 00-05 and Buick Park Avenue 97-05. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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pkrib
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Posts: 4
Joined: Sat Jun 24, 2023 9:22 am
Year and Trim: 2004 Bonneville SE

Rad hoses

Post by pkrib »

Anybody know the correct size of the overflow hose on a 2004 Bonneville with 3.8? I'm getting lots of different answers.
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harofreak00
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Re: Rad hoses

Post by harofreak00 »

OEM: GM 25706712 Coolant Recovery Reservoir Hose Assembly

or

Aftermarket: Gates Heater Hose - 18570

3/8" ID
26-5/16 Inch Length

You could probably make a straight length of hose work as long as it doesn't kink by the radiator

Or I have good used ones available, message me.
Andrew - owner/operator of Bonnevilles Unlimited
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pkrib
LE Member
Posts: 4
Joined: Sat Jun 24, 2023 9:22 am
Year and Trim: 2004 Bonneville SE

Re: Rad hoses

Post by pkrib »

That's great! Thanks for your help.
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