1984 Buick Regal Differentials

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    • (0 reviews)
      # 1028888993
      Buick Regal with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1984, 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)
      # 126451871
      Buick Regal with 10 Bolt 1984, 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 strength,...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503419235
      Buick Regal with Open Differential 1984, 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 combines...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $418.28 - $443.21
    • (0 reviews)
      # 503634301
      Buick Regal Grand National 1984, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $260.13 - $389.21
    • (0 reviews)
      # 503485487
      Buick Regal with 28 Spline 1984, 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 needed,...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35 - $457.67
    • (0 reviews)
      # mpn4517166816
      Buick Regal with 28 Spline with GM 8.5" Series Axle with 2.73 and Up Gear Ratio 1984, 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)
      # 1029221517
      Buick Regal with 10 Bolt 1984, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a 100%-automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $744.90 - $766.55
    • (0 reviews)
      # 1029167507
      Buick Regal 3.8L / 4.1L / 4.3L with 10 Bolt 1984, 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,...
      Superior rebuildable designRace-bred carbon friction discs
      $469.39 - $487.18
    • (0 reviews)
      # 1029297589
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $520.37
    • (0 reviews)
      # 68463380
      Buick Regal with 28 Spline 1984, 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
      $143.67 - $254.96
    • (0 reviews)
      # 503353142
      Buick Regal with 28 Spline 1984, 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...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $181.49 - $217.76
    • (0 reviews)
      # 503684220
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      Smooth finishEasy Set-Up
      $298.94 - $503.50
    • (0 reviews)
      # mpn4517168181
      Buick Regal with GM 8.5" Series Axle with 2.73 and Up Gear Ratio with 10 Bolt 1984, 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)
      # 503351442
      Buick Regal with 10 Bolt 1984, 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 Regal with GM 7.5" Series Axle with 3.23 and Up Gear Ratio with 10 Bolt 1984, 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)
      # 1029318510
      Buick Regal with 10 Bolt 1984, 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)
      # 1029097620
      Buick Regal with 10 Bolt 1984, 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)
      # 1029339528
      Buick Regal with 10 Bolt 1984, 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
      $461.03 - $496.63
    • (0 reviews)
      # 503486539
      Buick Regal with Open Differential 1984, 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)
      # 942619514
      Buick Regal Grand National / Limited / T-Type 1984, Ring and Pinion Gear Set by Revolution Gear & Axle®.
      2 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $175.00 - $195.00
    • (0 reviews)
      # mpn4517169459
      Buick Regal with GM 8.5" Series Axle with 2.73 Ratio and Numerically Higher with 10 Bolt 1984, Excel™ Differential Carrier by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $74.55
    • (0 reviews)
      # 1028883949
      Buick Regal with 10 Bolt 1984, Excel™ Rear Ring and Pinion Gear Set by Richmond®. Location: Rear. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $164.95 - $194.50
    • (0 reviews)
      # 503472135
      Buick Regal with 10 Bolt 1984, 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)
      # 1145661352
      Buick Regal with Front GM 8.5" (10 Bolt) Series Axle / with Rear GM 8.5" (10 Bolt) Series Axle with 2.73 and Up Gear Ratio 1984, Differential Locker by OX Off Road®. OX Lockers can instantly lock differentials and allow you to tackle...
      Easy clean cabin friendly installation with no setup adjustmentsStandard system uses no electric for a higher level of dependability
      $859.00 - $994.00
    • (0 reviews)
      # 990395189
      Buick Regal with 10 Bolt 1984, Ring and Pinion Gear Set by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # 503398186
      Buick Regal with 28 Spline 1984, 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...
      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)
      # 503646361
      Buick Regal with 28 Spline 1984, 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...
      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)
      # mpn4517167516
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. With Supershims. Location: Rear. Yukon Mini installation kits are a low cost solution for gear changes in newer...
      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
    • (0 reviews)
      # mpn4517167247
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      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
    • (0 reviews)
      # 1029307592
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      Provides 100% traction to both wheels at all timesInstalls into standard open carrier case
      $109.39 - $124.30
    • (0 reviews)
      # 503415981
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      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
      $140.99 - $225.57
    • (0 reviews)
      # 1029201637
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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)
      # 126451790
      Buick Regal with 10 Bolt 1984, 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...
      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)
      # 503465222
      Buick Regal 1984, 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 quality...
      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)
      # 503322318
      Buick Regal with 10 Bolt 1984, 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
      $115.16 - $129.62
    • (0 reviews)
      # 126451624
      Buick Regal with 10 Bolt with Open Differential 1984, 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)
      # 503342108
      Buick Regal with 10 Bolt 1984, Rear Differential Bearing Kit by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $74.28 - $103.58
    • (0 reviews)
      # 503629438
      Buick Regal with 10 Bolt 1984, Rear Differential Master Bearing Kit by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $89.63 - $108.26
    • (0 reviews)
      # mpn4517166045
      Buick Regal with 28 Spline with 8.5" Series Axle with 10 Bolt 1984, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $148.35
    • (0 reviews)
      # mpn4510235918
      Buick Regal Grand National / Limited / T-Type GM 8.5" Axle 1984, Spider Gear Set by Revolution Gear & Axle®. Designed utilizing the latest technology, this product by Revolution Gear & Axle features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $116.99
    • (0 reviews)
      # 1146030350
      Buick Regal Grand National / Limited / T-Type GM 8.5" Axle 1984, with Timken™ Bearings Differential Master Overhaul Kit by Revolution Gear & Axle®. Designed utilizing the latest technology, this product by Revolution Gear & Axle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $104.49
    • (0 reviews)
      # 503299238
      Buick Regal with 10 Bolt 1984, 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 this premium differential gear...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $27.10 - $30.28
    • (0 reviews)
      # 503686416
      Buick Regal 1984, 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)
      # 503372400
      Buick Regal Grand National with GM 8.5" Series Axle with 10 Bolt 1984, 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....
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $34.03 - $50.31
    • (0 reviews)
      # 1029025665
      Buick Regal with 10 Bolt 1984, Excel™ Differential Carrier Gear Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $88.01 - $105.05
    • (0 reviews)
      # mpn4517169698
      Buick Regal Base / Limited / T-Type with GM 7.5" Series Axle/ with 7.625" Series Axle with 10 Bolt 1984, Excel™ Rear Differential Bearing Kit by Richmond®. Location: Rear. Designed utilizing the latest technology, this product by...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $95.24
    • (0 reviews)
      # 503457408
      Buick Regal with Open Differential 1984, 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)
      # 503393163
      Buick Regal Grand National with GM 8.5" Series Axle with 10 Bolt with C-Clip Eliminator Kit with 45 Degree Pressure Angle Axles 1984, Rear Spool by Richmond®. Location: Rear. Dominate the track or hit the trails with confidence by fine...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $195.90 - $202.35
    • (0 reviews)
      # mpn4517170293
      Buick Regal with GM 8.5" Series Axle 1984, 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 Regal Grand National with GM 8.5" Series Axle / with GM 8.6" Series Axle with 10 Bolt 1984, Spider Gear Set by Alloy USA®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $176.58
    • (0 reviews)
      # mpn4515290647
      Buick Regal with GM 7.5" Series Axle 1984, Mini Spool by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $96.99
    • (0 reviews)
      # 1016927473
      Buick Regal with 10 Bolt 1984, Ring and Pinion Installation Bearing Kit by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99 - $99.99
    • (0 reviews)
      # mpn4515293621
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1984, Ring and Pinion Installation Shim Kit by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $43.99
    • (0 reviews)
      # 503457061
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      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)
      # mpn4517168017
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      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)
      # 503344557
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      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)
      # 503525310
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $253.84 - $310.77
    • (0 reviews)
      # mpn4517167312
      Buick Regal with Posi Differential with 28 Spline with GM 8.5" Series Axle 1984, 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...
      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)
      # mpn4517167545
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      Easily removes a broken cross pin bolt from a carrier caseDesigned to deliver trouble-free, consistent performance
      $48.93
    • (0 reviews)
      # 503476494
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1984, 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...
      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 - $35.25




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