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I have a 1986 coupe. I need to know the outside diameter and the pulley bore of my alternator. My car isn't at my house so I can't measure it.
thanks for the help
Pulleys aren't measured by their OD. Here's a link to what is accepted to be correct for the GM # 10496580 pulley that would have been stock on an '86 alternator. You can also search the CF for that part number for results but I'm pretty comfortable with these. I checked several years ago and I believe it's what I actually measured. You need to be concerned with "ALL" of the dimensions and not just the diameters that you asked for.
Pulleys aren't measured by their OD. Here's a link to what is accepted to be correct for the GM # 10496580 pulley that would have been stock on an '86 alternator. You can also search the CF for that part number for results but I'm pretty comfortable with these. I checked several years ago and I believe it's what I actually measured. You need to be concerned with "ALL" of the dimensions and not just the diameters that you asked for.