Looking for aftermarket parts to modify or upgrade your 1990 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.

IN STOCK - LOW YMS3747Yukon 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 Axle Seal For 9.5in GM 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1999 GMC K1500 Sierra SLE $32.85 |
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) 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1997 GMC K1500 Sierra SLE $44.15 |
IN STOCK - LOW YMS4762NYukon 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 Axle Seal For 88+ GM 8.5in Chevy C10 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1999 GMC K1500 Sierra SLE $32.85 |
IN STOCK - DROPSHIPS YMS710101Yukon 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 Stub Axle Side Seal For 98 and Older GM 8.25in IFS 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $40.38 |
IN STOCK - DROPSHIPS YMSG1012Yukon 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 8.25in GM IFS Pinion Seal (88 and Up) 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1999 GMC K1500 Sierra SLE $37.87 |