This Gates XL Accessory Drive Belt fits your 1966 GMC I3500 4.1L L6 (Alternator) and is perfect for a tune up or performance upgrade. .
Gates XL Alternator Accessory Drive Belt for 1967 Chevrolet P30 Series 2.6L rt
Gates XL Alternator Accessory Drive Belt for 1980-1983 Ford E-100 Econoline ol
Gates XL Alternator Accessory Drive Belt for 1968-1970 Chevrolet P30 Van ba
Gates XL Alternator Accessory Drive Belt for 1970 GMC C25 C2500 Suburban ye
Gates XL Alternator Accessory Drive Belt for 1971-1974 Ford Ranch Wagon 7.0L il
Gates XL Alternator Accessory Drive Belt for 1978-1981 Ford Bronco 5.8L 6.6L sn
