A/C belt part number
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Joined: May 2009
Posts: 1,614
From: S.E. Louisiana, so far still in U.S.A.
From the book
The Olds parts book dated April 1983 says that if it's a 1973 "B" or "C" body with a 455 with A/C and power steering, the A/C belt's group number is 1.066 and the part number is 943378 as long as it's not a S.W. 
Connoisseur d'Junque
Joined: Sep 2010
Posts: 21,183
From: The Hudson Valley
The A/C belt is a Gates 7640. 10mm width, 64½" (1,640mm) length.
The P/S belt is a Gates 7450. 45½" (1,160mm) length.
The Alternator belt is a Gates 7580. 58½" (1,488mm) length.
The Gates numbers should be in all interchange guides.
- Eric
The P/S belt is a Gates 7450. 45½" (1,160mm) length.
The Alternator belt is a Gates 7580. 58½" (1,488mm) length.
The Gates numbers should be in all interchange guides.
- Eric
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