Looking for aftermarket parts to modify or upgrade your GMC C15 with hoses? At Tunersports.com we carry a huge selection of the top name brand performance hose parts and accessories for your C15.
Whether you have a 1975 or 1978 GMC C15 in Base to Street Coupe trim we have you covered. We have 4 hoses available to mod your C15. All parts have free shipping to the Continental US 48 States.
 OUT OF STOCK MMHOSE-GM-11URubber is out, silicone is in! Upgrade your old Chevrolet El Camino radiator hose with the Mishimoto 1968-1977 Chevrolet El Camino Silicone Upper Radiator Hose to provide your El Camino with an advancement in both style and reliability. With this hose, two worm-gear clamps are included for ease of i... Mishimoto 68-77 Chevrolet El Camino 307 Silicone Upper Radiator Hose 1975-1978 GMC C15 Base / High Sierra / Sierra Classic / Sierra Grande 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $88.01 |
 OUT OF STOCK 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 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $78.66 |
 OUT OF STOCK 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 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $85.99 |
 IN STOCK 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 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 Heavy Half 1978-1978 GMC C15 Street Coupe $85.57 |