Looking for aftermarket parts to modify or upgrade your 1978 GMC K25 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 YP C3-D44-STDThese 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 Aluminum Girdle Replacement Cover For Dana 44 Ta HD 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $410.89 |

IN STOCK - DROPSHIPS YP C1-D44-STDThese 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 Replacement Chrome Cover For Dana 44 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $67.89 |
IN STOCK YP C1-GM14TThese 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 Cover For 10.5in GM 14 Bolt Truck 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $71.89 |
IN STOCK YP C1-GM8.5-FThese 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 Cover For 8.5in GM Front 1977-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $46.67 |

IN STOCK YHCC-D44Yukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme hits in off road driving. They also increase the structural rigidity of the differential, reducing deflection under high-torque situations that can put ... Yukon Gear Hardcore Diff Cover for Dana 44 - Nodular Iron Yukon Cover 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $295.89 |
IN STOCK YHCC-GM14T-SYukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme hits in off road driving. They also increase the structural rigidity of the differential, reducing deflection under high-torque situations that can put ... Yukon Gear Hardcore Diff Cover for 14 Bolt GM Rear w/ 3/8in. Cover Bolts 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $308.89 |

OUT OF STOCK YP C2-GM14TThese 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 Cover For 10.5in GM 14 Bolt Truck 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $293.89 |
IN STOCK - DROPSHIPS YP C2-GM8.5-FThese 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 Cover For 8.5in GM 1977-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $314.89 |

IN STOCK - DROPSHIPS YP C5-GM14TThese Yukon replacement diff covers are a direct bolt-on. ... Yukon Gear Steel Cover For GM 10.5in 14 Bolt Truck 1975-1978 GMC K25 Base / High Sierra $85.89 |