This Dayco Accessory Drive Belt fits your 1978 GMC K15 4.1L L6 (Fan and Power Steering) and is perfect for a tune up or performance upgrade. .
Dayco Fan and Power Steering Accessory Drive Belt for 1975-1976 Dodge W200 vi
Dayco Fan and Power Steering Accessory Drive Belt for 1975-1976 Plymouth qz
Dayco Fan and Power Steering Accessory Drive Belt for 1979 Ford E-250 yo
Dayco Fan and Power Steering Accessory Drive Belt for 1981-1985 GMC C1500 im
Dayco Fan and Power Steering Accessory Drive Belt for 1975-1980 Mercury mq
Dayco Fan and Power Steering Accessory Drive Belt for 1978-1981 Ford E-100 rp
