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What Is This Part ??

rebart

Member
Joined
May 19, 2006
Messages
11
Location
Wisconsin
Corvette
1981-Black
Does anybody know what this part is called ?? (The plastic part in the middle). The bottom of the part has two stems that have hoses connected. One of my stems has broken off. I can't find this part in any of the catelogues. If anyone know what the part is called and where I can get one, I would really appreiciate it..
 

Artsvette73

Well-known member
Joined
Jan 24, 2004
Messages
174
Location
New Jersey
Corvette
1973 Silver coupe, 1977 L48
If you are talking about the valve on the thermostat housing. It is a thermal ported vacuum switch. They can be purchased at an auto store. Usually identified by color of the plastic housing
 

Peer81

Well-known member
Joined
May 21, 2003
Messages
2,497
Location
Netherlands
Corvette
'81 Black
He's talking about the AIR system. I think it's called the diverter valve (or anti-backfire valve). The problem is that they changed over the years and i think the 81 has an unique model diverter valve. On the docrebuild.com site they have valve's till 78 but not for 81's. The easiest thing to do is looking for it on a corvette graveyard.
Good luck,

Groeten Peter.
 

LannyL81

Well-known member
Joined
Jul 20, 2002
Messages
653
Location
Oro Valley, AZ USA
Corvette
81 White/Cinnabar, 96 CE LT4 sil/blk
Yep, thats the diverter valve or gulp valve. Try ebay, contemporary corvettes for used parts.
 

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