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Looking for aftermarket parts to modify or upgrade your 1999 GMC K3500 with diff covers? At Tunersports.com we carry a huge selection of the top name brand performance diff cover parts and accessories.
 IN STOCK - DROPSHIPS 46-70370aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. ... aFe POWER Differential Cover GM Trucks 99-13 1999-2000 GMC K3500 Sierra SL / Sierra SLE / Sierra SLT $315.99 |
 OUT OF STOCK 46-70372aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable A356-T6 cast aluminum with reinforcing ribs for maximum strength. Mounting hardware is included for a hassle-free installation. ... aFe Power Pro Series Rear Differential Cover Black w/ Machined Fins 99-13 GM Trucks (GM 9.5-14) 1999-2000 GMC K3500 Sierra SL / Sierra SLE / Sierra SLT $369.58 |
 IN STOCK - DROPSHIPS YP C5-D80-AThese Yukon replacement diff covers are a direct bolt-on. ... Yukon Finned Aluminum Cover for Dana 80 1992-2000 GMC K3500 Sierra SLE 1994-2000 GMC K3500 Sierra SL / Sierra SLT $233.89 |
 IN STOCK YP C1-D80These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome. ... Yukon Gear Chrome Replacement Cover For Dana 80 1992-2000 GMC K3500 Sierra SLE 1994-2000 GMC K3500 Sierra SL / Sierra SLT $72.89 |
 IN STOCK - DROPSHIPS YP C2-D80These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection. ... Yukon Gear Polished Aluminum Replacement Cover For Dana 80 1992-2000 GMC K3500 Sierra SLE 1994-2000 GMC K3500 Sierra SL / Sierra SLT $289.89 |