1971 Buick Estate Differentials & Components

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    • (0 reviews)
      # 531085644
      Buick Estate with 8.5" Ring Gear 1971, 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...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $166.95 - $198.95
    • (0 reviews)
      # 531116355
      Buick Estate 1971, 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)
      # 531075391
      Buick Estate 1971, 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 1971, 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 1971, 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)
      # 531050787
      Buick Estate 1971, 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)
      # mpn1848258301
      Buick Estate with 8.875" Ring Gear / with 9.375" Ring Gear with GM Series Axle 1971, Rear Axle Differential Bearing Set With Cup and Cone by National®. This bearing is manufactured from high quality steel and constructed utilizing...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $11.44
    • (0 reviews)
      # 531048665
      Buick Estate with GM Series Axle 1971, Rear Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.07 - $17.50
    • (0 reviews)
      # 531184821
      Buick Estate with GM Series Axle 1971, 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 perform optimally. It is built to the original...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.34 - $11.17
    • (0 reviews)
      # mpn1290817
      Buick Estate with 8.875" Ring Gear with GMC Transmission 1971, 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 your vehicle perform...
      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
      $19.13
    • (0 reviews)
      # mpn1307916
      Buick Estate with 8.875" Ring Gear with GM Series Axle 1971, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $6.86
    • (0 reviews)
      # 503319269
      Buick Estate with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1971, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements...
      Quiet operationComputer controlled heat treatment
      $146.07 - $156.44
    • (1 review)
      # 126447967
      Buick Estate with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1971, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # 503564365
      Buick Estate with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1971, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503552372
      Buick Estate with Open Differential with GM 8.5" Series Axle 1971, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26
    • (0 reviews)
      # 503518363
      Buick Estate with Open Differential with GM 8.5" Series Axle 1971, 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...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $443.21
    • (0 reviews)
      # mpn4517168259
      Buick Estate with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 1971, 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...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35
    • (0 reviews)
      # 503575504
      Buick Estate with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1971, Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $277.95
    • (0 reviews)
      # mpn4517166104
      Buick Estate with 8.875" Series Axle 1971, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $59.93
    • (0 reviews)
      # 503515484
      Buick Estate with GM 8.875" Series Axle with 12 Bolt 1971, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $78.61 - $83.60
    • (0 reviews)
      # 503379117
      Buick Estate with GM 8.875" Series Axle with 12 Bolt 1971, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $87.50 - $97.25
    • (0 reviews)
      # 503553368
      Buick Estate with GM 8.875" Series Axle with 12 Bolt 1971, 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
      $104.66 - $156.62
    • (0 reviews)
      # mpn4517168572
      Buick Estate with 8.875" Series Axle 1971, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $27.10
    • (0 reviews)
      # mpn4517166430
      Buick Estate with GM 8.875" Series Axle 1971, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $157.24
    • (0 reviews)
      # mpn4517168484
      Buick Estate with GM 8.5" Series Axle 1971, Differential Pinion Shaft 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
      $18.71
    • (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)
      # mpn4517166247
      Buick Estate with GM 8.5" Series Axle 1971, Differential Ring Gear Spacer 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...
      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
      $45.62
    • (0 reviews)
      # mpn4517169981
      Buick Estate with GM 8.5" Series Axle 1971, Differential Pinion Shaft by Powertrax®. These hardened cross shafts are specifically designed for use with your Powertrax Lock Right locker. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip...
      High quality at an affordable priceExpertly made from premium materials
      $25.58
    • (0 reviews)
      # mpn4517166429
      Buick Estate with GM 8.875" Series Axle with 12 Bolt 1971, 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
      $131.97
    • (0 reviews)
      # 503497128
      Buick Estate with GM 8.5" Series Axle 1971, 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
      $21.59 - $41.42
    • (0 reviews)
      # mpn4515290619
      Buick Estate with GM 8.5" Series Axle 1971, Differential Pinion Nut by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # mpn4515293191
      Buick Estate with GM 8.5" Series Axle 1971, Differential Pinion Seal by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.99
    • (0 reviews)
      # mpn4515293218
      Buick Estate with GM 8.5" Series Axle with 10 Bolt 1971, Ring and Pinion Installation Bearing Kit by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99
    • (0 reviews)
      # 1029262578
      Buick Estate 1971, 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)
      # mpn4517172127
      Buick Estate 1971, Differential Pinion Solid Spacer Kit by Motive Gear®. With Shims. 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
      $59.24
    • (0 reviews)
      # 1145648361
      Buick Estate with 2.73 and Up Gear Ratio with Front GM 8.5" (10 Bolt) Series Axle / with Rear GM 8.5" (10 Bolt) Series Axle 1971, 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)
      # mpn4517170332
      Buick Estate with GM 8.875" Series Axle with 12 Bolt 1971, Excel™ Rear Differential Bearing Kit by Richmond®. Location: Rear. Designed utilizing the latest technology, this product by Richmond features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $95.67
    • (0 reviews)
      # 1029239632
      Buick Estate 1971, 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. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $164.95
    • (0 reviews)
      # 503365238
      Buick Estate with GM 8.875" Series Axle with 12 Bolt 1971, Differential Pinion 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $55.91 - $64.28
    • (0 reviews)
      # mpn4517171397
      Buick Estate with GM 8.875" Series Axle 1971, 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...
      Save Money: Buying components separately can be costly and cumbersomeSave Downtime: Be ready to perform a repair or overhaul as you need it
      $180.61
    • (0 reviews)
      # mpn4517171174
      Buick Estate with GM 8.875" Series Axle 1971, Rear Differential Standard Bearing Kit by Spicer®. Location: Rear. Remember - not all bearings are created equal. Choose Spicer axle bearing kits for just the right repair. Each kit comes...
      Highest quality mix of bearings, cups, and cones for performance you can count onPremium oil seals to keep lube in and dust and road grime out
      $138.21
    • (1 review)
      # 1029160586
      OE Style™ Ring and Pinion Gear Set by G2 Axle & Gear®. G2 offers a line of OE gears that are an exact match to the factory gears found at dealerships. These gears are a great option for installers who work with dealerships and fleet...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $319.99
    • (0 reviews)
      # 503686086
      Ring and Pinion Gear Set by Big End Performance®. Designed for street, moderate strip and circle track applications. Forged steel heat-treated for added strength. Machined to the tightest tolerances. Made of 8620 or equivalent material...
      High quality at an affordable priceExpertly made from premium materials
      $137.60 - $185.88
    • (0 reviews)
      # 503520490
      Differential Master Installation Kit by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $144.72 - $226.80
    • (0 reviews)
      # 503622062
      Differential Pinion Bearing Kit by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $23.51 - $234.37
    • (0 reviews)
      # 503467248
      Differential Pinion Support by Strange®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential that delivers the ultimate in high strength...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $137.38 - $346.04
    • (0 reviews)
      # 1029326512
      Standard™ Spool by Strange®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential that delivers the ultimate in high strength and...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $190.03 - $568.43
    • (0 reviews)
      # 503671057
      Differential Complete Installation Kit by Big End Performance®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential that delivers the...
      High quality at an affordable priceExpertly made from premium materials
      $107.21 - $113.09
    • (0 reviews)
      # 503370458
      Gear Set Mini Spool by Big End Performance®. Manufactured of 8620 nonleaded steel. Replaces OEM spider gears in open carrier units, locking together both axles for even power to both tires used mostly in drag racing & dirt oval track....
      High quality at an affordable priceExpertly made from premium materials
      $34.76 - $107.21
    • (0 reviews)
      # 503428042
      Differential Ring Gear Bolt Set by Mr. Gasket®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential that delivers the ultimate in high...
      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
      $24.85 - $32.43
    • (0 reviews)
      # 503442338
      Housing End T-Bolt by 9-Plus®. Designed utilizing the latest technology, this product by 9-Plus features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      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
      $1.95 - $162.83
    • (0 reviews)
      # 1029020552
      Differential Pinion Seal by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $15.20 - $17.24
    • (0 reviews)
      # 1145845344
      Ring and Pinion Complete Gear Package by Revolution Gear & Axle®. Designed utilizing the latest technology, this product by Revolution Gear & Axle features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $604.79 - $666.33
    • (0 reviews)
      # 976617070
      TorqueWorm™ Limited Slip Differential by Speedmaster®. Designed utilizing the latest technology, this product by Speedmaster features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $334.80 - $495.00
    • (0 reviews)
      # 1029275594
      Differential Master Overhaul Kit by Yukon Gear & Axle®. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $238.58 - $394.70
    • (0 reviews)
      # 1029346560
      Spool by Yukon Gear & Axle®. 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 delivers the ultimate in high strength...
      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
      $304.60 - $397.80
    • (0 reviews)
      # 1145944347
      Differential Pinion Depth Shim by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...
      Perfect for drag racing or high-performance racing applicationsDesigned and manufactured using innovative technologies
      $23.51 - $72.08
    • (0 reviews)
      # 1190471085
      Ultra Case Package by Strange®. Designed utilizing the latest technology, this product by Strange features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,073.26 - $1,221.27
    • (0 reviews)
      # 1029363529
      Differential Adapter Sleeve by Yukon Gear & Axle®. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $11.77 - $41.20
    • (0 reviews)
      # 1091318479
      High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at...
      Smooth finishEasy Set-Up
      $271.48 - $549.26




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