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GI Service Center » 1978, K25
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- Year: 1978
- Model: K25
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Differential End Yoke
Description: 1.188" cap diameter 1.188 in. Cap Diameter 1350 u-joint size 30 spline 3.625 in. Snap Ring Span 3.625" snap ring span Fits GM 8.5" Fits GM 8.5 in. Forged steel Outside snap ring design...More Details »
Item #: yukYY GM8.5-1350-F
Condition:
New
Price: $405.89
Differential Oil Additive
Description: For Use In Any Clutch-Style Limited Slip; Positraction additive Yukon friction modifier / Posi additive; Yukon friction modifier/Posi additive Help keep Positraction chatter down with Yukon s...More Details »
Item #: yukOILADD
Condition:
New
Price: $20.89
Drive Axle Shaft Assembly
Description: 30 Spline Inner And 19 Spline Outer Fits Dana 44 differential Fits Dana Spicer 44 in. 1969-1980 GM 1/2 Ton Heavy duty 4340 chromoly construction Incl. Inner And Outer 4340 Chromoly Axles And...More Details »
Item #: yukYA W24152
Condition:
New
Price: $1,582.89
Drive Axle Shaft Assembly
Description: 30 Spline Inner Axles 4340 Chromoly Axles Fits 1969-1980 GM Half Ton Front w/Dana Spicer 44 Fits Dana 44 differential Front Axle Kit Heavy duty 4340 chromoly construction Incl. Inner And...More Details »
Item #: yukYA W24150
Condition:
New
Price: $1,246.89
Drive Axle Shaft Seal
Description: 2 PIECE DESIGN Engineered using state-of-the-art design software Fits GM 10.5" 14 bolt truck and GM 11.5" Fits GM 10.5 in. 14 Bolt Truck And GM 11.5 in. Full Float REAR WHEEL SEAL Yukon...More Details »
Item #: yukYMSG1035
Condition:
New
Price: $55.89
Drive Axle Shaft Seal
Description: Fits GM 10.5" 14 bolt truck Fits GM 10.5 in. 14 Bolt Truck Rear axle seal Full-floating axle seal for GM 14T. Full-floating axle seal for GM 14T.Yukon Mighty seal.
Item #: yukYMS2081
Condition:
New
Price: $11.89
Differential Gasket
Description: Cover gasket Fits GM 10.5" 14 bolt truck Fits GM 10.5 in. 14 Bolt Truck GM 10.5' 14 bolt truck cover gasket; GM 10.5ft. 14 bolt truck cover gasket 14T cover gasket.
Item #: yukYCGGM14T
Condition:
New
Price: $16.89
Differential Drive Pinion Gear Bearing Retainer Bolt
Description: 7/16-14 in. Long 7/16-14" Long For 14T GM 14T GM Pinion Support Bolt 7/16-14in. Long 14T GM Pinion Support Bolt, 7/16-14" Long Yukon Gear/Axle Pinion Support Bolt for 14T GM 7/16-14in....More Details »
Item #: yukYSPBLT-087
Condition:
New
Price: $9.89
Differential Carrier
Description: 3.73 and down ratio only 8620 internals for added strength Assembled in the USA Fits Dana Spicer 44 w/30 Spline Axles Fits Dana Spicer 44 with 30 spline axles Patented internal design...More Details »
Item #: yukYGLD44-3-30
Condition:
New
Price: $1,098.89
Differential Carrier
Description: 3.92 and up ratio only 8620 internals for added strength Assembled in the USA Fits Dana Spicer 44 w/30 Spline Axles Fits Dana Spicer 44 with 30 spline axles Patented internal design reduces...More Details »
Item #: yukYGLD44-4-30
Condition:
New
Price: $1,062.89
Differential Carrier
Description: 8620 internals for added strength Assembled in the USA Fits GM 10.5" 14 bolt truck differential Fits GM 10.5 in. 14 Bolt Truck Installs into standard open carrier Patented internal design...More Details »
Item #: yukYGLGM14T-30
Condition:
New
Price: $866.89
Differential Carrier
Description: 40 spline 4.10-down ratio 4.10 Down Ratio 8620 internals for added strength Does NOT use the factory thrust washers GM 10.5” 14T differential GM 10.5 in. 14T Differential Installs Into A...More Details »
Item #: yukYGLGM14T-3-40
Condition:
New
Price: $930.89
Yukon Gear & Axle Yukon Gear Grizzly Locker For GM 8.5in & 8.6in / 30 Spline / 2.73+ - YGLGM8.5-3-30
Differential Carrier
Description: 2.73 and up ratio only 8620 internals for added strength Assembled in the USA Fits GM 8.5" and 8.6" with 30 spline axles Fits GM 8.5 in. And 8.6 in. w/30 Spline Axles Patented internal...More Details »
Item #: yukYGLGM8.5-3-30
Condition:
New
Price: $1,133.89
Differential Cover
Description: Black powder coat finish adds durability and style Contoured inner surfaces circulate oil more rapidly for faster cooling Contrasting stainless-steel accent plate and cover bolts Fits Standard...More Details »
Item #: yukYHCC-GM14T-S
Condition:
New
Price: $308.89
Differential Cover
Description: Black powder coat finish adds durability and style Contoured inner surfaces circulate oil more rapidly for faster cooling Contrasting stainless-steel accent plate and cover bolts Fits Standard...More Details »
Item #: yukYHCC-D44
Condition:
New
Price: $295.89
Locking Hub Splined Slug
Description: 30 spline Drive flange Fits Dana 44 One single flange Yukon HARDCORE DRIVE FLANGE, 30 Spline inner, 48 spline outer Yukon HARDCORE DRIVE FLANGE 30 Spline inner 48 spline outer Drive...More Details »
Item #: yukYHCDF-30-A
Condition:
New
Price: $133.89
Locking Hub Splined Slug
Description: Fits Dana Spicer 44 w/19 Spline Outer Axles Fits Dana Spicer 44 with 19 spline outer axles Incl. Two Drive Flanges Two Caps And All Necessary Hardware Includes two drive flanges, two caps and...More Details »
Item #: yukYHC50008
Condition:
New
Price: $503.89
Locking Hub Splined Slug
Description: Fits Dana Spicer 44 w/19 Spline Outer Axles Fits Dana Spicer 44 with 19 spline outer axles Incl. Two Drive Flanges Two Yukon Engraved Caps And All Necessary Hardware Includes two drive...More Details »
Item #: yukYHC50007
Condition:
New
Price: $503.89
Locking Hub Splined Slug
Description: Fits Dana Spicer 44 w/30 Spline Outer Axles Fits Dana Spicer 44 with 30 spline outer axles Incl. Two Drive Flanges Two Caps And All Necessary Hardware Includes two drive flanges, two caps and...More Details »
Item #: yukYHC50002
Condition:
New
Price: $503.89
Locking Hub Splined Slug
Description: Fits Dana Spicer 44 w/30 Spline Outer Axles Fits Dana Spicer 44 with 30 spline outer axles Incl. Two Drive Flanges Two Yukon Engraved Caps And All Necessary Hardware Includes two drive...More Details »
Item #: yukYHC50001
Condition:
New
Price: $503.89
Locking Hub Kit
Description: 1/3 turn from disengaged to engaged 19 spline All steel construction Chromoly internals for added strength Defaults to locked position Fits 1978 And Down GM Dana 44 And 1978-1992 Ford Dana...More Details »
Item #: yukYHC70006
Condition:
New
Price: $654.89
Differential Ring and Pinion
Description: 10.50 in. Ring Gear Diameter 10.50" ring gear diameter 12 ring gear bolts 30 spline pinion 3.42 ratio Fits GM 10.5" GM 14 bolt truck Fits GM 10.5 in. GM 14 Bolt Truck High performance...More Details »
Item #: yukYG GM14T-342
Condition:
New
Price: $569.89
Differential Ring and Pinion
Description: 10.50 in. Ring Gear Diameter 10.50" ring gear diameter 12 ring gear bolts 30 spline pinion 3.73 ratio Fits GM 10.5" GM 14 bolt truck Fits GM 10.5 in. GM 14 Bolt Truck High performance...More Details »
Item #: yukYG GM14T-373
Condition:
New
Price: $480.89
Differential Ring and Pinion
Description: 30 spline pinion 4.11 ratio Fits GM 10.5" GM 14 bolt truck Fits GM 10.5 in. GM 14 Bolt Truck High performance Yukon Ring & Pinion set for 10.5" GM 14 bolt truck in a 4.11; High...More Details »
Item #: yukYG GM14T-411
Condition:
New
Price: $484.89
Differential Ring and Pinion
Description: 10.50 in. Ring Gear Diameter 10.50" ring gear diameter 12 ring gear bolts 30 spline pinion 4.56 ratio Fits GM 10.5" GM 14 bolt truck Fits GM 10.5 in. GM 14 Bolt Truck High performance...More Details »
Item #: yukYG GM14T-456
Condition:
New
Price: $569.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 4.11 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 Thick gear for 3.73 and down carrier High...More Details »
Item #: yukYG D44-411T
Condition:
New
Price: $454.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 4.56 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon replacement Ring &...More Details »
Item #: yukYG D44-456
Condition:
New
Price: $454.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 4.56 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 Thick gear for 3.73 and down carrier High...More Details »
Item #: yukYG D44-456T
Condition:
New
Price: $527.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 5.38 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon replacement Ring &...More Details »
Item #: yukYG D44-538
Condition:
New
Price: $527.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 5.89 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon replacement Ring &...More Details »
Item #: yukYG D44-589
Condition:
New
Price: $475.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 4.88 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 Thick gear for 3.73 and down carrier High...More Details »
Item #: yukYG D44-488T
Condition:
New
Price: $399.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 5.13 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon Ring & Pinion set for...More Details »
Item #: yukYG D44-513
Condition:
New
Price: $475.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 4.88 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon Ring & Pinion set for...More Details »
Item #: yukYG D44-488
Condition:
New
Price: $448.89
Differential Ring and Pinion
Description: 10 ring gear bolts 2.73 ratio 30 spline pinion 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-273
Condition:
New
Price: $569.89
Differential Ring and Pinion
Description: 10 ring gear bolts 3.08 ratio 30 spline pinion 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-308
Condition:
New
Price: $667.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 3.23 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-323
Condition:
New
Price: $409.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 3.42 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-342
Condition:
New
Price: $416.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 3.73 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" differentials Fits GM 8.5 in. And 8.6 in. Yukon Ring and Pinion...More Details »
Item #: yukYG GM8.5-373
Condition:
New
Price: $459.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 3.90 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-390
Condition:
New
Price: $504.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 4.11 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-411
Condition:
New
Price: $548.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 4.56 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-456
Condition:
New
Price: $408.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 4.88 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-488
Condition:
New
Price: $412.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 5.13 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-513
Condition:
New
Price: $504.89
Differential Ring and Pinion
Description: 10 ring gear bolts 30 spline pinion 5.38 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits GM 8.5" and 8.6" Fits GM 8.5 in. And 8.6 in. High performance Yukon Ring &...More Details »
Item #: yukYG GM8.5-538
Condition:
New
Price: $504.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 3.31 gear ratio 3.31 Ratio 8.50-inch ring gear diameter 8.50 in. Ring Gear Diameter Fits Standard Rotation Dana Spicer 44 Fits standard rotation Dana...More Details »
Item #: yukYG D44-331
Condition:
New
Price: $454.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 3.54 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon Ring & Pinion...More Details »
Item #: yukYG D44-354
Condition:
New
Price: $454.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 3.73 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon Ring & Pinion...More Details »
Item #: yukYG D44-373
Condition:
New
Price: $454.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 3.92 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon Ring & Pinion...More Details »
Item #: yukYG D44-392
Condition:
New
Price: $454.89
Differential Ring and Pinion
Description: 10 ring gear bolts 26 spline pinion 4.11 ratio 8.50 in. Ring Gear Diameter 8.50" ring gear diameter Fits Standard Rotation Dana Spicer 44 High performance Yukon Ring & Pinion...More Details »
Item #: yukYG D44-411
Condition:
New
Price: $454.89
Differential Ring and Pinion
Description: 10.50 in. Ring Gear Diameter 10.50" ring gear diameter 12 ring gear bolts 30 spline pinion 4.56 ratio Fits GM 10.5" GM 14 bolt truck Fits GM 10.5 in. GM 14 Bolt Truck Thick gear set for...More Details »
Item #: yukYG GM14T-456T
Condition:
New
Price: $480.89
Differential Ring and Pinion
Description: 10.50 in. Ring Gear Diameter 10.50" ring gear diameter 12 ring gear bolts 30 spline pinion 4.88 ratio Fits GM 10.5" GM 14 bolt truck Fits GM 10.5 in. GM 14 Bolt Truck Thick gear set for...More Details »
Item #: yukYG GM14T-488T
Condition:
New
Price: $480.89
Differential Ring and Pinion
Description: 10.50 in. Ring Gear Diameter 10.50" ring gear diameter 12 ring gear bolts 30 spline pinion 5.13 ratio Fits GM 10.5" GM 14 bolt truck Fits GM 10.5 in. GM 14 Bolt Truck Thick gear set for...More Details »
Item #: yukYG GM14T-513T
Condition:
New
Price: $480.89
Differential Ring and Pinion
Description: 10.50 in. Ring Gear Diameter 10.50" ring gear diameter 12 ring gear bolts 30 spline pinion 5.38 ratio Fits GM 10.5" GM 14 bolt truck Fits GM 10.5 in. GM 14 Bolt Truck Thick gear set for...More Details »
Item #: yukYG GM14T-538T
Condition:
New
Price: $497.89
Axle Shaft Seal Tool Kit
Description: Helps seal inner front axles to the proper depth This top-quality differential tool is built to last Works w/Dana 30 44 And 60 Front Differentials Works with Dana 30, 44 and 60 front...More Details »
Item #: yukYT SA-01
Condition:
New
Price: $221.89
Differential Pinion Setting Tool
Description: Aimed for the installer, this highly effective kit is a real time-saver Aimed For The Installer This Highly Effective Kit Is A Real Time-Saver Kit includes carrier bearing puller, axle bearing...More Details »
Item #: yukYT KIT-1
Condition:
New
Price: $2,703.89
Axle Differential Bearing and Seal Kit
Description: Fits Standard Rotation Dana Spicer 44 Front Incl. Are Timken Bearings And Races Along w/High Quality Seals And Small Parts Incl. Carrier Bearings/Races Pinion Bearings/Races Pinion Seal Axle...More Details »
Item #: yukYK D44
Condition:
New
Price: $410.89
Axle Differential Bearing and Seal Kit
Description: Fits GM 8.5" front Fits GM 8.5 in. Front Incl. Are Timken Bearings And Races Along w/High Quality Seals And Small Parts Incl. Carrier Bearings/Races Pinion Bearings/Races Pinion Seal Axle...More Details »
Item #: yukYK GM8.5-F
Condition:
New
Price: $330.89
Axle Differential Bearing and Seal Kit
Description: Fits GM 8.5" front with LM102911 carrier races Fits GM 8.5 in. Front w/LM102911 Carrier Races Incl. Are Timken Bearings And Races Along w/High Quality Seals And Small Parts Incl. Carrier...More Details »
Item #: yukYK GM8.5-HD-F
Condition:
New
Price: $338.89
Axle Differential Bearing and Seal Kit
Description: Fits 1988 and down GM 10.5" 14 bolt truck Fits 1988 And Down GM 10.5 in. 14 Bolt Truck Incl. Are Timken Bearings And Races Along w/High Quality Seals And Small Parts Incl. Carrier...More Details »
Item #: yukYK GM14T-A
Condition:
New
Price: $484.89
Drive Axle Shaft Seal
Description: Fits 1955-1993 GM Half Ton Front; Front wheel bearing seal Yukon Mighty Seal Front wheel seal. Yukon Mighty seal.
Item #: yukYMS471271
Condition:
New
Price: $11.89