Anyone have a part number or part source for this? It's the metal adapter that fits into the heater hose and then into the alternator/tensioner bracket. I've been searching around this forum and found the proper name(s) for it. Also found a diagram on the Brunswick GM site. They had the parts on the diagram, but no part numbers.
Mine are leaking a bit. I think all I'll need are the o-rings, but want to be prepared.
Thanks.
Heater Inlet Adapter/Flow Restrictor/Check Valve
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myfirstbonnie
- Resident Gearhead

- Posts: 5530
- Joined: Mon May 19, 2008 10:19 pm
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2015 Buick Enclave
2013 Buick Regal GS - Location: Hillsboro, Oregon
Re: Heater Inlet Adapter/Flow Restrictor/Check Valve
I have had mine off a few times and they are still fine. Most likely the o-rings are bad. I have no idea what the part number is, but I am sure Andrew (harofreak00) would have some. The problem is: viewtopic.php?f=2&t=30370
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pojawis
- SE Member

- Posts: 20
- Joined: Thu May 22, 2008 3:25 pm
- Year and Trim: 2001 SSEi
- Location: MD/PA
Re: Heater Inlet Adapter/Flow Restrictor/Check Valve
Appreciate the reply.
In my search, I saw the Honeymoon notice.
I'm expecting to replace the o-rings and not the adapters. We'll see what shape they're in when I pull them.
In my search, I saw the Honeymoon notice.
I'm expecting to replace the o-rings and not the adapters. We'll see what shape they're in when I pull them.

