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Looking for aftermarket parts to modify or upgrade your 1978 GMC C15 with hoses? At Tunersports.com we carry a huge selection of the top name brand performance hose parts and accessories.
 OUT OF STOCK 20827Gates 73-79 Chevrolet C & K Series Pickup V-8 350 Upper Molded Coolant Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $47.64 |
 OUT OF STOCK 20841Gates 73-79 Chevrolet C & K Series Pickup 6-Cyl. 250 Lower Molded Coolant Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $45.62 |
 OUT OF STOCK 20842Gates 80-86 Chevrolet C & K Series Pickup V-8 7.4L Lower Molded Coolant Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $46.16 |
 OUT OF STOCK 20843Gates 73-79 Chevrolet C & K Series Pickup V-8 350 Lower Molded Coolant Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $42.11 |
 OUT OF STOCK 20868Gates 73-79 Chevrolet C & K Series Pickup V-8 454 Upper Molded Coolant Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $64.96 |
 OUT OF STOCK 20874Gates 72-79 Dodge D & W Series Pickup V-8 318 Upper Molded Coolant Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $58.91 |
 OUT OF STOCK 20925Gates 80-86 Chevrolet C & K Series Pickup 6-Cyl. 4.8L By Pass Molded Coolant Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1978-1978 GMC C15 Heavy Half / Street Coupe $46.15 |
 OUT OF STOCK 21059Gates 80-84 Chevrolet C & K Series Pickup 6-Cyl. 4.1L Lower Molded Coolant Hose 1977-1978 GMC C15 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande 1978-1978 GMC C15 Street Coupe $90.13 |
 OUT OF STOCK 21262Gates 83-86 Ford Ltd V-6 3.8L Lower Molded Coolant Hose 1978-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $44.67 |
 OUT OF STOCK 25535Gates 80-84 Chevrolet C & K Series Pickup 6-Cyl. 4.1L Lower Flexible Coolant Hose (Standard) 1977-1978 GMC C15 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande 1978-1978 GMC C15 Street Coupe $62.07 |
 IN STOCK - LOW MMHOSE-GM-12LRubber is out, silicone is in! Upgrade your old GM C/K Truck radiator hose with the Mishimoto 1978-1986 GM C/K Truck Silicone Lower Radiator Hose to provide your C/K Truck with an advancement in both style and reliability. With this hose, two worm-gear clamps are included for ease of installation. U... Mishimoto 73-86 GM C/K Truck 305/350 Silicone Lower Radiator Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $72.61 |
 OUT OF STOCK MMHOSE-GM-24LRubber is out, silicone is in! Upgrade your old GM C/K Truck radiator hose with the Mishimoto 1978-1986 GM C/K Truck Silicone Lower Radiator Hose to provide your C/K Truck with an advancement in both style and reliability. With this hose, two worm-gear clamps are included for ease of installation. U... Mishimoto 78-86 GM C/K Truck 292 Silicone Lower Radiator Hose 1977-1978 GMC C15 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande 1978-1978 GMC C15 Street Coupe $78.84 |
 IN STOCK - DROPSHIPS MMHOSE-GM-25URubber is out, silicone is in! Upgrade your old Chevrolet C/K Truck radiator hose with the Mishimoto 1973-1986 GM C/K Truck Silicone Upper Radiator Hose to provide your C/K Truck with an advancement in both style and reliability. With this hose, two worm-gear clamps are included for ease of installa... Mishimoto 73-86 Chevrolet C/K Truck 250/292 Silicone Upper Radiator Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $83.28 |
 IN STOCK - DROPSHIPS MMHOSE-GM-35URubber is out, silicone is in! Upgrade your old Chevrolet Chevelle radiator hose with the Mishimoto 1968-1972 Chevrolet Chevelle Silicone Upper Radiator Hose to provide your Chevelle with an advancement in both style and reliability. With this hose, two worm-gear clamps are included for ease of inst... Mishimoto 68-72 Chevrolet Chevelle 307/350 Silicone Upper Radiator Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $92.17 |