Pulley part numbers what years do they fit

[Edward J.]

I have a couple of pulleys and can you tell what years the fit?TvD3BAAD74-BE30-4CD1-B44C-223C5E795E20.jpg79B5252D-E174-46C9-BF7C-79ED442D6DE6.jpg79B5252D-E174-46C9-BF7C-79ED442D6DE6.jpg

[Joe R.]

Re: Pulley part numbers what years do they fit

According to the Parts book the 3755820 is for a 66-67 327 Exc CAC, SHP or AIR
PS Pulley not found in GM parts book BUT Paragon lists the 3770509 as PS pulley for the above 66-67 327

JR

[Ray K.]

Re: Pulley part numbers what years do they fit

According to the GM Parts Catalogue, p/n 3755820 is a harmonic balancer pulley for Camaro: 67-68, 350 except CAC, C/Deluxe AC and A.I.R
and Corvette: 55-57 V8, except AC, dual 4bbl, FI, 66-67 327, except AC. special hi-perf, A.I.R

P/N 3770509 is a Corvette power steering pump pulley: 63-68, 327, 69-74 350 w/AC

Ray K (#43777)

[Edward J.]

Re: Pulley part numbers what years do they fit

Guys thanks for that info.