1978 Buick Electra Differentials

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    • (0 reviews)
      # mpn4517168131
      Buick Electra with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1978, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. with Selectable Full Locker. Location: Rear. The ECTED Max is a selectable...
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # 503389216
      Buick Electra with 10 Bolt 1978, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy setup, superior...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503608117
      Buick Electra with Open Differential 1978, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $418.28 - $443.21
    • (0 reviews)
      # 503451701
      Buick Electra 1978, Ring and Pinion Gear Set by Alloy USA®. Mounting larger diameter wheels and tires requires a gear ratio change to maintain the same performance. But even if you're not getting new skins, changing to a lower gear...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $260.13 - $389.21
    • (0 reviews)
      # 503459185
      Buick Electra with 28 Spline 1978, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses a set of carbon clutch discs to provide traction as...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35 - $457.67
    • (0 reviews)
      # mpn4517166816
      Buick Electra with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio 1978, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street,...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $748.92
    • (0 reviews)
      # mpn4517168200
      Buick Electra with 1.16" Axle Shaft Diameter with GM 7.5" Series Axle with 3.23 and Up Gear Ratio with 10 Bolt 1978, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a 100%-automatic locking...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $730.29
    • (0 reviews)
      # 1028948040
      Buick Electra with 10 Bolt 1978, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central...
      Superior rebuildable designRace-bred carbon friction discs
      $499.99 - $504.99
    • (0 reviews)
      # 503684034
      Buick Electra 1978, Rear Dura Grip Positraction by Yukon Gear & Axle®. Location: Rear. The Yukon Dura Grip an example of the popular clutch plate limited slips that appeared as OE equipment. Steel clutch plates, half of which are...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $520.37 - $521.31
    • (0 reviews)
      # 503463010
      Buick Electra with 28 Spline 1978, Rear Standard Open Carrier Case by Yukon Gear & Axle®. without Spider Gears. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $169.11 - $254.96
    • (0 reviews)
      # 68462203
      Buick Electra 1978, Rear Differential Master Overhaul Kit by Yukon Gear & Axle®. Location: Rear. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential job. Yukon offers more...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $181.49 - $217.76
    • (0 reviews)
      # mpn4517172801
      Buick Electra with 26 Spline / with 28 Spline with GM 7.5" Series Axle with 3.23 and Up Gear Ratio 1978, Rear Dura Grip Carrier Case by Yukon Gear & Axle®. without Spider Gears. Location: Rear. Dominate the track or hit the trails with...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $254.96
    • (0 reviews)
      # 503685049
      Buick Electra 1978, Rear High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Location: Rear. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions....
      Smooth finishEasy Set-Up
      $262.49 - $503.50
    • (0 reviews)
      # mpn4517168181
      Buick Electra with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1978, Differential Carrier by Motive Gear®. without Internal Kit. All Motive Gear products are engineered for their specific application and manufactured in...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $77.55
    • (1 review)
      # 503645425
      Buick Electra with 10 Bolt 1978, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets are made from first-run steel, we never use...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # mpn4517172536
      Buick Electra with GM 7.5" Series Axle with 3.23 and Up Gear Ratio with 10 Bolt 1978, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Pro Gear ring and pinions are perfect for dedicated racing or...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $448.50
    • (0 reviews)
      # 1029130512
      Buick Electra with 10 Bolt 1978, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with the correct bias...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # 1029164653
      Buick Electra with 10 Bolt 1978, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction than HP for the very best in...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91 - $518.98
    • (0 reviews)
      # 1028926993
      Buick Electra with 10 Bolt 1978, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling...
      Helical-style pinion gearsLimited-slip operation
      $466.09 - $512.73
    • (0 reviews)
      # 503343162
      Buick Electra with Open Differential 1978, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock during turns. When extreme...
      Brute Force Devices For Rugged ApplicationsReplacement Of Differential Case Not Required
      $336.26 - $406.60
    • (0 reviews)
      # 503501304
      Buick Electra with 10 Bolt 1978, Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material,...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $279.10
    • (0 reviews)
      # mpn4515290647
      Buick Electra With GM 7.5" Series Axle With 26 Shaft Spline 1978, 26-Spline Mini Spool by AllStar Performance®. Mini spool assemblies replace the OE side and spider gears in open style carriers to provide equal tractionto both axles....
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $96.99
    • (0 reviews)
      # 990436826
      Buick Electra 1978, Ring and Pinion Gear Set by AllStar Performance®. Quality differential components are suitable for race, street and off-road use. Lapped in matched sets for quiet operation. This top-grade product is expertly made in...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # 942620132
      Buick Electra Standard Rotation 1978, Ring and Pinion Gear Set by Revolution Gear & Axle®. 10 Bolt. All Revolution Gear and Axle Gear Sets are made from top quality 8620 Steel and are precision heat treated to OEM specifications, making...
      2 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $175.00 - $195.00
    • (0 reviews)
      # 68462131
      Buick Electra 1978, Rear Differential Bearing Installation Kit by Yukon Gear & Axle®. with Timken Bearings and Races. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $140.92 - $169.45
    • (0 reviews)
      # 87406161
      Buick Electra 1978, Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Location: Rear. Includes: Carrier bearings, races and "super" carrier shim kit. Yukon Carrier installation kits are great, low cost kits for carrier...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $67.28 - $94.50
    • (0 reviews)
      # 503369027
      Buick Electra 1978, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Mini installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused and includes all...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $36.24 - $74.15
    • (0 reviews)
      # 68462211
      Buick Electra 1978, Rear Differential Pinion Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $107.68 - $125.62
    • (0 reviews)
      # 68462223
      Buick Electra 1978, Rear Mini Spool by Yukon Gear & Axle®. Location: Rear. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to...
      Provides 100% traction to both wheels at all timesInstalls into standard open carrier case
      $109.39 - $184.32
    • (0 reviews)
      # 503671008
      Buick Electra 1978, Rear Spider Gear Set by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $101.94 - $225.57
    • (0 reviews)
      # 1029245641
      Buick Electra with 28 Spline with GM 8.5" Series Axle 1978, Rear Spool by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $264.78 - $282.88
    • (0 reviews)
      # 1029321552
      Buick Electra with 10 Bolt 1978, Differential Bearing Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $72.92 - $103.58
    • (0 reviews)
      # 503392447
      Buick Electra 1978, Differential Carrier Gear Kit by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $89.77 - $108.20
    • (0 reviews)
      # 1028966980
      Buick Electra 1978, Differential Gear Installation Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $45.48 - $59.93
    • (0 reviews)
      # 1029295550
      Buick Electra with 10 Bolt 1978, Differential Master Bearing Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $90.49 - $108.26
    • (0 reviews)
      # 1029128612
      Buick Electra with 10 Bolt 1978, Differential Super Bearing Kit by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $113.17 - $125.76
    • (0 reviews)
      # 126446029
      Buick Electra with 10 Bolt with Open Differential 1978, Mini Spool by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $80.99 - $81.49
    • (0 reviews)
      # 126446939
      Buick Electra with 8.5" Series Axle with 10 Bolt 1978, Spool by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $148.35 - $149.79
    • (0 reviews)
      # mpn4517168652
      Buick Electra with GM 8.5" Series Axle with 10 Bolt 1978, Differential Gear Installation Kit by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $27.10
    • (0 reviews)
      # 1029104507
      Buick Electra 1978, Differential Mega Bearing Kit by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $157.24
    • (0 reviews)
      # 1029176500
      Buick Electra with GM 8.5" Series Axle with 10 Bolt 1978, Differential Spool Bearing Kit by Richmond®. Richmond Gear Differential Installation Kits are a must have when overhauling an axle or replacing a ring & pinion set. Differential...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $34.03 - $50.31
    • (0 reviews)
      # 1029283569
      Buick Electra with Open Differential 1978, Mini Spool by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $100.35
    • (0 reviews)
      # 197714207
      Buick Electra with GM 8.5" Series Axle with 10 Bolt with C-Clip Eliminator Kit with 45 Degree Pressure Angle Axles 1978, Rear Spool by Richmond®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $195.90 - $202.35
    • (0 reviews)
      # mpn4517170293
      Buick Electra with GM 8.5" Series Axle 1978, Rear Differential Master Overhaul Kit by Alloy USA®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $179.48
    • (0 reviews)
      # mpn4517173047
      Buick Electra with GM 8.5" Series Axle / with GM 8.6" Series Axle with 10 Bolt 1978, Spider Gear Set by Alloy USA®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $176.58
    • (0 reviews)
      # 1016926563
      Buick Electra 1978, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Kit contain all the hard-to-find individual parts for a quick, trouble-free installation. Kits Include: Pinion and side (carrier) bearings, pinion...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99 - $99.99
    • (0 reviews)
      # 1066657498
      Buick Electra 1978, Ring and Pinion Installation Shim Kit by AllStar Performance®. Kits contain all the hard-to-find individual parts for a quick, trouble-free installation. This top-grade product is expertly made in compliance with...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $43.99
    • (0 reviews)
      # mpn4510235918
      Buick Electra GM 8.5" Axle 1978, Open Internal Kit by Revolution Gear & Axle®. 28 Spline. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level...
      1 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $116.99
    • (0 reviews)
      # mpn4510235871
      Buick Electra GM 8.5" Axle 1978, Timken™ Rear Master Overhaul Kit by Revolution Gear & Axle®. Rear. Revolution Gear and Axle Master Overhaul Kit comes with all the necessary parts to re-Bearing your differential and install a new ring...
      Made to promote and inspire your off-road adventuresTested in demanding off-road conditions for maximum durability
      $104.49
    • (0 reviews)
      # 503550334
      Buick Electra 1978, Rear Differential Bearing Race Driver by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $116.74 - $126.07
    • (0 reviews)
      # 503316312
      Buick Electra 1978, Rear Differential Bearing Race Punch by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $59.80
    • (0 reviews)
      # 503294130
      Buick Electra 1978, Rear Differential Carrier Bearing Puller by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this...
      Works with an impact gun to safely and easliy remove carrrier bearingsEnables you to keep your engine in the powerband for more giddy-up and high speed
      $456.92 - $545.85
    • (0 reviews)
      # 87406166
      Buick Electra 1978, Rear Differential Clutch Set by Yukon Gear & Axle®. Location: Rear. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. Designed utilizing the latest...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $136.03 - $310.77
    • (0 reviews)
      # 503690309
      Buick Electra with Posi Differential 1978, Rear Differential Cross Pin Bolt by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $3.70
    • (0 reviews)
      # 503676016
      Buick Electra 1978, Rear Differential Cross Pin Bolt Extractor Kit by Yukon Gear & Axle®. Location: Rear. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform better than...
      Easily removes a broken cross pin bolt from a carrier caseDesigned to deliver trouble-free, consistent performance
      $48.93
    • (1 review)
      # 503506153
      Buick Electra 1978, Rear Differential Cross Pin Shaft by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $22.88 - $44.92
    • (0 reviews)
      # 87406171
      Buick Electra 1978, Rear Differential Crush Sleeve by Yukon Gear & Axle®. Location: Rear. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3.68 - $4.47
    • (0 reviews)
      # 503542480
      Buick Electra 1978, Rear Differential Crush Sleeve Eliminator Kit by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $31.49
    • (0 reviews)
      # 503672031
      Buick Electra with Standard Open Differential 1978, Rear Differential Pinion Gear Thrust Washer by Yukon Gear & Axle®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $4.76 - $6.19
    • (0 reviews)
      # mpn4517167304
      Buick Electra with 28 Spline with GM 8.5" Series Axle 1978, Rear Differential Pinion Mighty Seal by Yukon Gear & Axle®. Location: Rear. Yukon Mighty Seals use the latest designs and manufacturing technologies to produce a precision fit,...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.48





    1978 Buick Electra Models
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