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Looking for aftermarket parts to modify or upgrade your 1981 GMC K1500 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 K1500.
Whether you have a 1981 GMC K1500 in Base to Sierra Grande trim we have you covered. We have 7 differential seal kits available parts to mod your K1500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS YMS99131Yukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life.... Yukon Gear Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5in GM 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $95.78 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS 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 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $111.88 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YMS471271Yukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life.... Yukon Gear Mighty Seal 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $27.37 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YMS5131Yukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life.... Yukon Gear Dana 44 / 60 and GM 8.5in Inner Front Disconnect Seal Replacement 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $27.37 SALE VIEW PRICE IN CART |
 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 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $28.71 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YMS8477SYukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life.... Yukon Gear Mighty Seal 12T Axle Seal For 63-64 Coarse Spline 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $56.88 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YMS8622Yukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit, a tight seal and long life.... Yukon Gear 8.5in GM 4Wd Front Pinion Seal 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $32.74 SALE VIEW PRICE IN CART |