This Dayco Accessory Drive Belt fits your 1966 GMC 3500 4.8L L6 (Fan Alternator) and is perfect for a tune up or performance upgrade. .
Dayco Fan Alternator Accessory Drive Belt for 1964-1982 Chevrolet Corvette wk
Dayco Fan Alternator Accessory Drive Belt for 1995-1997 Nissan Pickup 2.4L am
Dayco Fan Alternator Accessory Drive Belt for 1976-1982 Chevrolet LUV 1.8L ro
Dayco Fan Alternator Accessory Drive Belt for 1965-1966 Ford Galaxie 500 mu
Dayco Fan Alternator Accessory Drive Belt for 1968-1971 GMC K25 K2500 gc
Dayco Fan Alternator Accessory Drive Belt for 1970 Chevrolet K20 Pickup 6.6L kz
