A/c recirc. Air door diagraphm - 66 442
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Joined: Feb 2012
Posts: 102
From: Chico in Northern Calif
A/c recirc. Air door diagraphm - 66 442
Does anybody know what the part number for the diaphragm. This is a two stage unit that can be seen in the engine compartment right next to the vacuum leads that go through the firewall. I have the service manual and the assembly manual and I cannot find the GM part number. Mine has the whole plastic piece broken off the unit at the metal crimp. Also if anyone also knows where to get one or has a used one that functions and works well I would be interested in that also. Thanx for any help.. Bill
Thread Starter
Registered User
Joined: Feb 2012
Posts: 102
From: Chico in Northern Calif
Very well could be... I'll check it out... Thanx... Bill
Ebay had one... Close, but that wasn't it.. I'm going to try and post a
pic of it...
Ebay had one... Close, but that wasn't it.. I'm going to try and post a
pic of it...
Last edited by wmlewis; Mar 14, 2012 at 11:22 AM.
Thread Starter
Registered User
Joined: Feb 2012
Posts: 102
From: Chico in Northern Calif
Here is a pic of the unit I need.. It is referred to as a "Recirculating air door diaphragm" It has two vacuum ports, and controls the air door inside the A/C housing.
Last edited by wmlewis; Mar 15, 2012 at 11:04 PM.
Thread Starter
Registered User
Joined: Feb 2012
Posts: 102
From: Chico in Northern Calif
Got one..............
Old Air Products had it... $47.50 their part number 23-5905...
Thank everyone for there help...
Here is a link to that part....
http://www.oldairproducts.com/catalo...5905&x=36&y=15
Old Air Products had it... $47.50 their part number 23-5905...
Thank everyone for there help...
Here is a link to that part....
http://www.oldairproducts.com/catalo...5905&x=36&y=15
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