Looking for aftermarket parts to modify or upgrade your 1979 GMC K2500 with differential seal kits? At Tunersports.com we carry a huge selection of the top name brand performance differential seal kit parts and accessories.

OUT OF STOCK YMS99131Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. ... Yukon Gear Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5in GM 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $101.98 |

IN STOCK - LOW YMS2081Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. ... Yukon Gear Full-Floating Axle Seal For GM 14T 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $29.07 |
IN STOCK YMS2286Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. ... Yukon Gear Pinion Seal For GM 14T 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $34.10 |
IN STOCK - DROPSHIPS YMS3896Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. ... Yukon Gear Pinion Seal For 9.5in GM (79-97) 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $44.15 |
IN STOCK - DROPSHIPS YMS471271Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. ... Yukon Gear Mighty Seal 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $30.33 |
IN STOCK YMS5131Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. ... Yukon Gear Dana 44 / 60 and GM 8.5in Inner Front Disconnect Seal Replacement 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $30.33 |
IN STOCK YMS5778Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. ... Yukon Gear Dana 25 / 27 / 30 / 36 / 44 / 50 Pinion Seal Replacement 1979-1980 GMC K2500 Base / High Sierra / Sierra Classic / Sierra Grande $35.35 |
IN STOCK - DROPSHIPS YMS8622Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come. ... Yukon Gear 8.5in GM 4Wd Front Pinion Seal 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $35.35 |
IN STOCK - DROPSHIPS YMSG1035Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit, that seals tight and lasts for years to come. ... Yukon Full Float Rear Wheel Seal for GM 14T & 11.5in 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $60.50 |
IN STOCK YZLASH-03The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability.... Yukon Gear Seal Housing For Dana 44 / Zip Locker / w/ O-Rings 1979-1980 GMC K2500 Base / High Sierra / Sierra Classic / Sierra Grande $85.89 |