Seller notes

PLEASE LOOK AND READ. BOX # 7 MFR. VERY NICE SHAPE. NOS, New, Never Installed, Rear 2-speed Axle Vacuum Shift Diaphragm Housing. GM 3874331. "3874331”, “GM 11", and "W 1" casted on part.This is a NewOldStock, NEW GM part and NOT an Aftermarket, Reproduction or Remanufactured part. FITS 1966 CHEVROLET Series 60 thru 80 truck with 2-Spd. axle (except diesel); 1967-1972 Series 50 (gas) with 15,000lb 2-Spd. axle. FITS 1966-1972 GMC Series 50 thru 960 truck with vacuum shift 2-Spd. axle (except 1...

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