1971 Oldsmobile Ninety-Eight Differentials & Components

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    • (0 reviews)
      # 531107880
      Oldsmobile Ninety-Eight with 8.5" Ring Gear 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $62.64 - $107.54
    • (0 reviews)
      # mpn2412739
      Oldsmobile Ninety-Eight with 8.5" Ring Gear 1971, Rear Differential Bearing Kit by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary components for installation of the Differential Ring and Pinion readily...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $106.95
    • (0 reviews)
      # 531172131
      Oldsmobile Ninety-Eight 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.97 - $10.32
    • (0 reviews)
      # mpn2035566
      Oldsmobile Ninety-Eight 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 feature...
      Designed to effectively reduce frictionUltimate load handling capability
      $11.71
    • (0 reviews)
      # mpn2054350
      Oldsmobile Ninety-Eight with 8.5" Ring Gear / with 8.75" Ring Gear / with 8.88" Ring Gear / with 9.38" Ring Gear 1971, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken...
      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
      $4.93
    • (0 reviews)
      # 531099734
      Oldsmobile Ninety-Eight 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.13 - $5.44
    • (0 reviews)
      # mpn2079326
      Oldsmobile Ninety-Eight with 8.88" Ring Gear / with 9.38" Ring Gear 1971, Rear Inner Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller...
      Designed to effectively reduce frictionUltimate load handling capability
      $16.27
    • (0 reviews)
      # mpn2079325
      Oldsmobile Ninety-Eight with 8.88" Ring Gear / with 9.38" Ring Gear 1971, Rear Inner Differential Pinion Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $11.59
    • (0 reviews)
      # 531125029
      Oldsmobile Ninety-Eight with GM Series Axle 1971, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.38 - $12.43
    • (0 reviews)
      # mpn1074425
      Oldsmobile Ninety-Eight with 8.5" Ring Gear with GMC Transmission 1971, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.24
    • (0 reviews)
      # mpn1848279422
      Oldsmobile Ninety-Eight with 8.5" Ring Gear with GM Series Axle 1971, Rear Axle Standard Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $73.50
    • (0 reviews)
      # 531147738
      Oldsmobile Ninety-Eight 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.80 - $17.85
    • (0 reviews)
      # 531166927
      Oldsmobile Ninety-Eight 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.78 - $11.39
    • (0 reviews)
      # mpn1290817
      Oldsmobile Ninety-Eight with 8.5" Ring Gear / 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...
      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
      $19.50
    • (0 reviews)
      # mpn1307916
      Oldsmobile Ninety-Eight with 8.5" Ring Gear / 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...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $7.00
    • (0 reviews)
      # mpn4515293129
      Oldsmobile Ninety-Eight with GM 8.5" Series Axle with 10 Bolt 1971, Differential Cross Pin by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.99
    • (0 reviews)
      # mpn4515290619
      Oldsmobile Ninety-Eight with GM 7.5" Series Axle / 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # 990428881
      Oldsmobile Ninety-Eight 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 advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.99
    • (0 reviews)
      # mpn4515290620
      Oldsmobile Ninety-Eight with GM 8.5" Series Axle with 10 Bolt 1971, Mini Spool 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
      $96.99
    • (0 reviews)
      # mpn4515294792
      Oldsmobile Ninety-Eight with GM 7.5" Series Axle 1971, Ring Gear Spacer 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
      $52.99
    • (0 reviews)
      # 990405734
      Oldsmobile Ninety-Eight with GM 8.5" Series Axle with 10 Bolt 1971, Ring and Pinion Gear Set by AllStar Performance®. CA Prop 65 WARNING - This product contains chemicals known to the State of California to cause cancer, and/or birth...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # mpn4515293218
      Oldsmobile Ninety-Eight with GM 8.5" Series Axle with 10 Bolt 1971, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99
    • (0 reviews)
      # mpn4515293621
      Oldsmobile Ninety-Eight with GM 8.5" Series Axle with 10 Bolt 1971, Ring and Pinion Installation Shim Kit by AllStar Performance®. CA Prop 65 WARNING - This product contains chemicals known to the State of California to cause cancer,...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $43.99
    • (0 reviews)
      # mpn4561984219
      Oldsmobile Ninety-Eight with GM 8.5" Series Axle 1971, Rear Differential Master Overhaul Kit by Alloy USA®. 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
      $183.00
    • (0 reviews)
      # mpn4517168131
      Oldsmobile Ninety-Eight with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1971, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. The ECTED Max is a selectable...
      Expertly crafted from superior materialsProvides exceptional reliability
      $776.82
    • (0 reviews)
      # mpn4517165875
      Oldsmobile Ninety-Eight with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1971, HP™ Rear Limited Slip Differential by Auburn Gear®. High Performance. Auburn Gear’s flagship limited-slip differential...
      Expertly crafted from superior materialsProvides exceptional reliability
      $436.80
    • (0 reviews)
      # mpn4517165894
      Oldsmobile Ninety-Eight with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1971, Pro™ Rear Limited Slip Differential by Auburn Gear®. Turns your torque up another notch, offering an even higher bias ratio...
      Expertly crafted from superior materialsProvides exceptional reliability
      $549.12
    • (0 reviews)
      # 503556168
      Oldsmobile Ninety-Eight with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1971, Rear Differential Spring Retainer Service Kit by Auburn Gear®. Dominate the track or hit the trails with confidence by fine...
      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
      $113.82
    • (0 reviews)
      # mpn4517168044
      Oldsmobile Ninety-Eight with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1971, Rear Differential Wiring Harness Kit by Auburn Gear®. With Switch. Dominate the track or hit the trails with condidence by...
      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
      $85.36
    • (0 reviews)
      # mpn4517168100
      Oldsmobile Ninety-Eight with 2.73 to 5.13 Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1971, Detroit Locker™ Rear Differential by Eaton®. The Detroit Locker is a 100%-automatic locking differential...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $828.54
    • (0 reviews)
      # mpn4517168680
      Oldsmobile Ninety-Eight with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter with Manual Locking Hubs 1971, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential...
      Superior rebuildable designRace-bred carbon friction discs
      $499.99
    • (0 reviews)
      # 503482062
      Oldsmobile Ninety-Eight 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...
      Quiet operationComputer controlled heat treatment
      $262.66 - $281.32
    • (0 reviews)
      # 503567393
      Oldsmobile Ninety-Eight 1971, 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
      $116.07 - $143.27
    • (0 reviews)
      # mpn4517168181
      Oldsmobile Ninety-Eight with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1971, Differential Carrier by Motive Gear®. Without Internal Kit. All Motive Gear products are engineered for their specific application and...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $141.20
    • (0 reviews)
      # mpn4517166232
      Oldsmobile Ninety-Eight with 28 Spline with GM 8.5" Series Axle with 10 Bolt 1971, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $163.46
    • (0 reviews)
      # 1029141511
      Oldsmobile Ninety-Eight 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $31.21 - $31.61
    • (0 reviews)
      # mpn4517167611
      Oldsmobile Ninety-Eight with 8.5" Series Axle with 10 Bolt 1971, Differential Crush Sleeve by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $3.01
    • (0 reviews)
      # 503681507
      Oldsmobile Ninety-Eight 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 products undergo...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $108.13
    • (0 reviews)
      # 503481363
      Oldsmobile Ninety-Eight 1971, 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 rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $110.38 - $129.08
    • (0 reviews)
      # 503700342
      Oldsmobile Ninety-Eight 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 these premium differential...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $79.80 - $102.35
    • (0 reviews)
      # mpn4517167740
      Oldsmobile Ninety-Eight 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"...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $5.48
    • (0 reviews)
      # mpn4517167561
      Oldsmobile Ninety-Eight with 8.2" Series Axle / with 8.5" Series Axle / with 8.6" Series Axle 1971, Differential Pinion Seal by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $4.74
    • (0 reviews)
      # mpn4517168484
      Oldsmobile Ninety-Eight 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
      $33.73
    • (0 reviews)
      # mpn4517166248
      Oldsmobile Ninety-Eight with Chrysler 8" Series Axle / with Chrysler 8.25" Series Axle / with Chrysler 8.375" Series Axle / with Dana 44 Series Axle / with Ford 7.5" Series Axle / with Ford 8.8" Series Axle / with GM 8" Series Axle /...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $9.56
    • (0 reviews)
      # mpn4517172127
      Oldsmobile Ninety-Eight 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $60.40
    • (0 reviews)
      # mpn4517167735
      Oldsmobile Ninety-Eight 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"...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $4.80
    • (0 reviews)
      # mpn4517166247
      Oldsmobile Ninety-Eight 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...
      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
      $77.89
    • (0 reviews)
      # mpn4517166000
      Oldsmobile Ninety-Eight with 28 Spline with Open Differential with GM 8.5" Series Axle with 10 Bolt 1971, Mini Spool by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $148.38
    • (1 review)
      # 503587224
      Oldsmobile Ninety-Eight 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...
      Central contact patternCNC start to finish
      $325.14 - $367.77
    • (0 reviews)
      # 503635199
      Oldsmobile Ninety-Eight with GM 8.875" Series Axle with 12 Bolt 1971, Rear 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $132.04 - $228.12
    • (0 reviews)
      # 503689265
      Oldsmobile Ninety-Eight 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...
      Quiet operationComputer controlled heat treatment
      $286.43 - $339.77
    • (0 reviews)
      # mpn4517166045
      Oldsmobile Ninety-Eight with 28 Spline with 8.5" Series Axle with 10 Bolt 1971, Spool by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $266.77
    • (0 reviews)
      # 1146132248
      Oldsmobile Ninety-Eight 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...
      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)
      # mpn4517169981
      Oldsmobile Ninety-Eight 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...
      High quality at an affordable priceExpertly made from premium materials
      $26.08
    • (0 reviews)
      # 503582352
      Oldsmobile Ninety-Eight 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...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26
    • (0 reviews)
      # 503633195
      Oldsmobile Ninety-Eight 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
      Oldsmobile Ninety-Eight 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...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35
    • (0 reviews)
      # mpn4517166429
      Oldsmobile Ninety-Eight 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $134.56
    • (0 reviews)
      # mpn4517168572
      Oldsmobile Ninety-Eight 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $28.48
    • (0 reviews)
      # mpn4517166430
      Oldsmobile Ninety-Eight 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $160.33




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