Looking for aftermarket parts to modify or upgrade your GMC C15 with differential seal kits? At Tunersports.com we carry a huge selection of the top name brand performance differential seal kit 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 2 differential seal kits available to mod your C15. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW YMS99170Yukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life.... Yukon Gear 12P / 12T / Ci Vet / & 55GM 8460N Redi Sleeve Yoke Saver 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 $107.86 |
 IN STOCK YMS8460NYukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life.... Yukon Gear 12T / 12P / & Ci Vette Pinion Seal 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 $28.71 |