1983 Buick Estate Differentials & Components

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    • (0 reviews)
      # 531157747
      Buick Estate 1983, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the axles. It's robust steel construction ensures...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $115.44 - $204.95
    • (0 reviews)
      # 531116355
      Buick Estate 1983, Rear Axle Differential Bearing and Seal Kit by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $63.91 - $106.01
    • (0 reviews)
      # 531055487
      Buick Estate 1983, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design,...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.11 - $10.54
    • (0 reviews)
      # mpn2035566
      Buick Estate with 8.75" Ring Gear 1983, Rear Differential Bearing Set by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $11.93
    • (0 reviews)
      # mpn2054350
      Buick Estate Wagon 1983, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids,...
      Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion
      $5.03
    • (0 reviews)
      # 531142805
      Buick Estate 1983, Rear Differential Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for a highly durable part...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.21 - $5.55
    • (0 reviews)
      # mpn2377090
      Buick Estate with 7.5" Ring Gear / with 7.625" Ring Gear 1983, Differential Crush Sleeve by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain optimal...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.84
    • (0 reviews)
      # mpn2377088
      Buick Estate with 7.5" Ring Gear / with 8.75" Ring Gear 1983, Rear Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt effectively retains the pinion shaft...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.74
    • (0 reviews)
      # 531108326
      Buick Estate 1983, GM Original Equipment™ Differential Pinion Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $28.08 - $39.02
    • (0 reviews)
      # 531195936
      Buick Estate 1983, GM Original Equipment™ Differential Pinion Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.74 - $17.21
    • (0 reviews)
      # 531049801
      Buick Estate 1983, GM Original Equipment™ Rear Differential Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $27.90 - $43.97
    • (0 reviews)
      # 531115606
      Buick Estate with GM Series Axle 1983, Rear Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78 - $11.44
    • (0 reviews)
      # mpn1074425
      Buick Estate with 8.5" Ring Gear with GMC Transmission 1983, Rear Axle Differential Bearing Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally....
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # 531159915
      Buick Estate with GM Series Axle 1983, Rear Axle Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $67.48 - $88.74
    • (0 reviews)
      # 531085582
      Buick Estate with 8.5" Ring Gear / with 8.75" Ring Gear with GM Series Axle 1983, Rear Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.07 - $10.74
    • (0 reviews)
      # 531172677
      Buick Estate with 8.5" Ring Gear / with 8.75" Ring Gear with GM Series Axle 1983, Rear Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.34 - $5.68
    • (0 reviews)
      # mpn1179154
      Buick Estate with 8.5" Ring Gear / with 8.75" Ring Gear with GMC Transmission 1983, Rear Outer Differential Pinion Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep...
      National Redi-Sleeves are precision stainless steel wear sleeves designed to quickly repair damaged, grooved or worn shaftsStrong, durable stainless steel construction provides a corrosion-free sealing surface that surpasses most original shaft specifications
      $20.11
    • (0 reviews)
      # mpn1307881
      Buick Estate with 8.5" Ring Gear / with 8.75" Ring Gear with GM Series Axle 1983, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $5.30
    • (0 reviews)
      # 503319402
      Buick Estate with GM 7.5" Series Axle with 10 Bolt 1983, Rear Performance Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets...
      Central contact patternCNC start to finish
      $221.11 - $259.17
    • (0 reviews)
      # mpn4517172536
      Buick Estate with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1983, 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)
      # 503607220
      Buick Estate with GM 7.5" Series Axle with 10 Bolt 1983, Rear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring...
      Quiet operationComputer controlled heat treatment
      $210.05 - $241.63
    • (0 reviews)
      # mpn4517168200
      Buick Estate with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1983, 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
      $774.70
    • (0 reviews)
      # mpn4517170080
      Buick Estate with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1983, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style...
      Helical-style pinion gearsLimited-slip operation
      $462.64
    • (0 reviews)
      # mpn4517169609
      Buick Estate with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1983, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip differential prevents wheel slip before...
      Superior rebuildable designRace-bred carbon friction discs
      $487.18
    • (0 reviews)
      # 1028976968
      Buick Estate 5.0L with 26 Spline with GM 7.5" Series Axle with 10 Bolt 1983, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # 1029341670
      Buick Estate 5.0L with 26 Spline with GM 7.5" Series Axle with 10 Bolt 1983, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up another notch, offering an even higher bias ratio and faster...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91
    • (0 reviews)
      # 503294403
      Buick Estate with Open Differential 1983, 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
      $405.19 - $406.60
    • (0 reviews)
      # 503483332
      Buick Estate with Open Differential with 10 Bolt 1983, 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...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $418.28
    • (0 reviews)
      # mpn4517168514
      Buick Estate with 28 Spline with 3.23 and Up Gear Ratio with GM 7.625" Series Axle 1983, 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...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $457.67
    • (0 reviews)
      # 503437985
      Buick Estate with GM 7.5" Series Axle with 10 Bolt 1983, Rear Street Gear Ring and Pinion Gear Set by Richmond®. Location: Rear. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $232.75 - $279.10
    • (0 reviews)
      # 503524279
      Buick Estate 1983, 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)
      # 126449095
      Buick Estate with 10 Bolt 1983, 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)
      # 503580234
      Buick Estate 1983, Rear Differential Carrier Gear Kit by Motive Gear®. 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $104.99 - $108.20
    • (0 reviews)
      # 503340443
      Buick Estate with 10 Bolt 1983, 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)
      # 503352168
      Buick Estate with GM 7.5" Series Axle with 10 Bolt 1983, Rear Differential Super Bearing Kit by Motive Gear®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $118.93 - $129.62
    • (0 reviews)
      # 503430532
      Buick Estate with Open Differential with 7.5" Series Axle with 10 Bolt 1983, Rear Mini Spool by Motive Gear®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      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)
      # mpn4517166047
      Buick Estate with 30 Spline with 8.75" Series Axle with 12 Bolt 1983, Rear Spool by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities....
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $163.50
    • (0 reviews)
      # 503675978
      Buick Estate 1983, Rear Differential Master Overhaul Kit by Spicer®. Location: Rear. Genuine Spicer overhaul kit include all the latest production upgrades, so the parts you’re installing are as good or better than the parts that...
      Save Money: Buying components separately can be costly and cumbersomeSave Downtime: Be ready to perform a repair or overhaul as you need it
      $171.26 - $189.94
    • (0 reviews)
      # mpn4517168542
      Buick Estate with 7.5" Series Axle with 10 Bolt 1983, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $33.09
    • (0 reviews)
      # mpn4517169977
      Buick Estate with GM 7.5 Series Axle / with GM 7.625" Series Axle 1983, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $157.24
    • (0 reviews)
      # 197703645
      Buick Estate with Open Differential with GM 7.5" Series Axle 1983, Rear Mini Spool by Richmond®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $100.35
    • (0 reviews)
      # 1029340588
      Buick Estate 1983, Differential Carrier Shim 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
      $17.31 - $21.36
    • (0 reviews)
      # mpn4517169338
      Buick Estate with Aftermarket Gear Set with 7.5" Series Axle with 10 Bolt 1983, Differential Crush Sleeve by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.81
    • (0 reviews)
      # mpn4517167740
      Buick Estate with Chrysler 7.25" Series Axle / with Chrysler 8" Series Axle / with Chrysler 8.25" Series Axle / with Chrysler 8.375" Series Axle / with Chrysler 9.25" Series Axle / with GM 7.2" Series Axle / with GM 7.5" Series Axle /...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $3.75
    • (0 reviews)
      # mpn4517167924
      Buick Estate with 7.5" Series Axle with 10 Bolt 1983, Differential Pinion Seal 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.94
    • (0 reviews)
      # mpn4517166414
      Buick Estate with 7.2" Series Axle / with 7.5" Series Axle / with 7.25" Series Axle / with 7.75" Series Axle / with 7.625" Series Axle / with 8.2" Series Axle / with 8.5" Series Axle / with 8.875" Series Axle / with Dana 44 Series Axle...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $11.07
    • (0 reviews)
      # mpn4517167735
      Buick Estate with Chrysler 9.25" Series Axle / with GM 7.5" Series Axle / with GM 7.75" Series Axle / with GM 7.625" Series Axle / with GM 8" Series Axle / with GM 8.2" Series Axle / with GM 8.5" Series Axle / with GM 8.625" Series Axle...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.47
    • (0 reviews)
      # 503315199
      Buick Estate 5.0L with 26 Spline with 3.08 and Down Gear Ratio / with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1983, Rear Differential Spring Retainer Service Kit by Auburn Gear®. Location: Rear. Dominate the track...
      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
      $104.28
    • (0 reviews)
      # mpn4517167841
      Buick Estate with GM 7.5" Series Axle with 10 Bolt 1983, Differential 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $141.78
    • (0 reviews)
      # 197703631
      Buick Estate with GM 7.5" Series Axle 1983, Differential Pinion Shaft 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $15.75 - $41.42
    • (0 reviews)
      # 990438555
      Buick Estate 1983, Differential Cross Pin by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.99
    • (0 reviews)
      # mpn4515290619
      Buick Estate with GM 7.5" Series Axle / with GM 8.5" Series Axle 1983, Differential Pinion Nut by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # 990413385
      Buick Estate 1983, Differential Pinion Seal by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.99
    • (0 reviews)
      # mpn4515290647
      Buick Estate with GM 7.5" Series Axle 1983, 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)
      # mpn4515294792
      Buick Estate with GM 7.5" Series Axle 1983, Ring Gear Spacer by AllStar Performance®.
      $52.99
    • (0 reviews)
      # 990396004
      Buick Estate with GM 7.5" Series Axle with 10 Bolt 1983, Ring and Pinion Gear Set by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # 1016986944
      Buick Estate 1983, Ring and Pinion Installation Bearing Kit by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $99.99
    • (0 reviews)
      # mpn4517169698
      Buick Estate with GM 7.5" Series Axle/ with 7.625" Series Axle with 10 Bolt 1983, Excel™ Rear Differential Bearing Kit by Richmond®. Location: Rear. Designed utilizing the latest technology, this product by Richmond features premium...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $95.24
    • (0 reviews)
      # 1028928961
      Buick Estate 1983, Excel™ Rear Differential Carrier Gear Kit by Richmond®. Location: Rear. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform better than advertised. Perfect...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $101.92 - $105.05
    • (0 reviews)
      # 1028964979
      Buick Estate with GM 7.5" Series Axle/ with 7.625" Series Axle with 10 Bolt 1983, Excel™ Rear Ring and Pinion Gear Set by Richmond®. Location: Rear. Designed utilizing the latest technology, this product by Richmond features premium...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $164.95 - $194.50




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