1981 Oldsmobile Cutlass Differentials & Components

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    • (0 reviews)
      # 111378097
      Oldsmobile Cutlass with 7.5" Ring Gear with General Motors Series Axle 1981, Rear Ring and Pinion Gear Set by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA Standard...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $217.81 - $262.84
    • (0 reviews)
      # 531146978
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear 1981, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $115.44 - $168.95
    • (0 reviews)
      # mpn739977011
      Oldsmobile Cutlass with 7.5" Ring Gear with General Motors Series Axle 1981, Rear Master Overhaul Bearing Kit by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $122.95
    • (0 reviews)
      # 531084971
      Oldsmobile Cutlass Cruiser / Cutlass Supreme 1981, 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
      $63.91 - $106.01
    • (0 reviews)
      # mpn2412740
      Oldsmobile Cutlass with 7.5" Ring Gear 1981, 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 on...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $116.95
    • (0 reviews)
      # mpn739976894
      Oldsmobile Cutlass with 7.5" Ring Gear with General Motors Series Axle with 26 Spline 1981, Rear Spider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA Standard Gear...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $102.61
    • (0 reviews)
      # mpn358588620
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Basic Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.44
    • (0 reviews)
      # mpn358588593
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle with 27 Pinion Spline 1981, Complete Series™ Differential Kit by Ratech®. Designed with precision and functionality in mind,...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $79.71
    • (0 reviews)
      # mpn358588430
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Differential Installation Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $39.82
    • (0 reviews)
      # mpn2035563
      Oldsmobile Cutlass Cruiser / Cutlass Supreme 1981, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings,...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.89
    • (0 reviews)
      # 531049286
      Oldsmobile Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear 1981, Rear Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings,...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.43 - $16.16
    • (0 reviews)
      # 531164245
      Oldsmobile Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear 1981, Rear Differential Pinion Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.74 - $4.97
    • (0 reviews)
      # mpn2054383
      Oldsmobile Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with 3" Bearing OD / with 3.13" Bearing OD 1981, 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
      $8.76
    • (0 reviews)
      # 531059998
      Oldsmobile Cutlass Cruiser / Cutlass Supreme 1981, 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.37 - $7.65
    • (0 reviews)
      # 531049409
      Oldsmobile Cutlass / Cutlass Supreme 1981, 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 pressure when the...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $3.05 - $3.26
    • (0 reviews)
      # mpn2377088
      Oldsmobile Cutlass with 7.5" Ring Gear / with 8.5" Ring Gear / with 8.75" Ring Gear 1981, Rear Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.74
    • (0 reviews)
      # mpn1074426
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with GM Series Axle 1981, Rear Axle Differential Bearing 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
      $7.78
    • (0 reviews)
      # mpn1074425
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with GMC Transmission 1981, Rear Axle Differential Bearing Race by National®. This part is manufactured by one of the most trusted names in the automotive...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # mpn4544813741
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with GM Series Axle 1981, Rear Axle Master Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $85.97
    • (0 reviews)
      # 531146604
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with GM Series Axle 1981, Rear Differential Pinion Bearing 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
      $7.08 - $15.08
    • (0 reviews)
      # 531129682
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with GM Series Axle 1981, Rear Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $3.57 - $5.97
    • (0 reviews)
      # mpn1290815
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with GMC Transmission 1981, Rear Outer Differential Pinion Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the...
      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
      $19.56
    • (0 reviews)
      # mpn1307918
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with GM Series Axle 1981, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come....
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $9.45
    • (0 reviews)
      # mpn358588599
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, 0.620" Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $3.83
    • (0 reviews)
      # 202159561
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Differential Bearing Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $52.94 - $55.04
    • (0 reviews)
      # mpn358588627
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Differential Bearing Spacer With Shim Pack by Ratech®. Designed with precision and functionality in mind, this accessory...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $12.62
    • (0 reviews)
      # mpn358588671
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Differential Carrier Bearing Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $23.34
    • (0 reviews)
      # mpn358588658
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle with 30 Pinion Spline 1981, Differential Pinion Bearing by Ratech®. Designed with precision and functionality in mind, this...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $19.11
    • (0 reviews)
      # mpn358588466
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Differential Pinion Nut by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $2.62
    • (0 reviews)
      # mpn358588439
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Pinion Shim Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.53
    • (0 reviews)
      # mpn358588458
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Ring Gear Bolt Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $14.72
    • (0 reviews)
      # mpn358588434
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 7.5" Ring Gear with General Motors Series Axle 1981, Smart Sleeve Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.62
    • (0 reviews)
      # 503568469
      Oldsmobile Cutlass with 10 Bolt 1981, A-Line 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,...
      Quiet operationComputer controlled heat treatment
      $144.79 - $156.44
    • (0 reviews)
      # mpn4517168181
      Oldsmobile Cutlass / Cutlass Cruiser / Cutlass Supreme with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1981, Differential Carrier by Motive Gear®. Without Internal Kit. All Motive Gear products are engineered for their...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $77.55
    • (1 review)
      # 503541113
      Oldsmobile Cutlass with 10 Bolt 1981, 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...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # mpn4517172536
      Oldsmobile Cutlass / Cutlass Cruiser with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1981, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Pro Gear ring and pinions are perfect for...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $448.50
    • (0 reviews)
      # 503623301
      Oldsmobile Cutlass with 10 Bolt 1981, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy setup, superior...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 1029184520
      Oldsmobile Cutlass with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1981, 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)
      # 1029219606
      Oldsmobile Cutlass with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1981, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style performance differential that...
      Helical-style pinion gearsLimited-slip operation
      $462.64 - $464.68
    • (0 reviews)
      # 1029093516
      Oldsmobile Cutlass with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1981, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip differential prevents wheel slip...
      Superior rebuildable designRace-bred carbon friction discs
      $487.18
    • (0 reviews)
      # mpn4517172801
      Oldsmobile Cutlass with 26 Spline / with 28 Spline with 3.23 and Up Gear Ratio with GM 7.5" Series Axle 1981, Rear Dura Grip Carrier Case by Yukon Gear & Axle®. Without Spider Gears. Location: Rear. Dominate the track or hit the trails...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $254.96
    • (0 reviews)
      # 183019167
      Oldsmobile Cutlass with 3.23 and Up Gear Ratio with GM 7.5" Series Axle 1981, 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...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $521.31
    • (0 reviews)
      # 183019133
      Oldsmobile Cutlass with GM 7.5" Series Axle 1981, Rear High Performance Ring and Pinion Gear Set by Yukon Gear & Axle®. Location: Rear. Yukon Ring and Pinion sets give you the confidence of knowing you’re running gears designed for...
      Smooth finishEasy Set-Up
      $262.49 - $412.00
    • (0 reviews)
      # 1029197569
      Oldsmobile Cutlass with 26 Spline with GM 7.5" Series Axle with 10 Bolt 1981, 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)
      # 1029184601
      Oldsmobile Cutlass with 26 Spline with GM 7.5" Series Axle with 10 Bolt 1981, 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)
      # 503290353
      Oldsmobile Cutlass with Open Differential 1981, 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...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26 - $406.60
    • (0 reviews)
      # 503430326
      Oldsmobile Cutlass with Open Differential 1981, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $418.28 - $443.21
    • (0 reviews)
      # 503449090
      Oldsmobile Cutlass with 28 Spline 1981, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses a set of carbon clutch discs to provide traction as...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35 - $457.67
    • (0 reviews)
      # 503593545
      Oldsmobile Cutlass with 10 Bolt 1981, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $279.10
    • (0 reviews)
      # 503581263
      Oldsmobile Cutlass with 10 Bolt 1981, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $72.92 - $85.16
    • (0 reviews)
      # 126869112
      Oldsmobile Cutlass 1981, Differential Gear Installation Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $45.48 - $59.93
    • (0 reviews)
      # 503543442
      Oldsmobile Cutlass with 10 Bolt 1981, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $89.63 - $100.58
    • (0 reviews)
      # 503650502
      Oldsmobile Cutlass with 10 Bolt 1981, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $46.56 - $59.74
    • (0 reviews)
      # 126522903
      Oldsmobile Cutlass 1981, 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)
      # 503378171
      Oldsmobile Cutlass with GM 7.5" Series Axle with 10 Bolt 1981, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $113.17 - $129.62
    • (0 reviews)
      # 503498416
      Oldsmobile Cutlass with Open Differential with 7.5" Series Axle with 10 Bolt 1981, 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...
      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)
      # mpn4517171905
      Oldsmobile Cutlass with GM 7.5" Series Axle 1981, 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...
      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
      $154.27
    • (0 reviews)
      # mpn4517167244
      Oldsmobile Cutlass with GM 7.5" Series Axle 1981, 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,...
      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
    • (0 reviews)
      # mpn4517166772
      Oldsmobile Cutlass with GM 7.5" Series Axle 1981, 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...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $201.27
    • (0 reviews)
      # mpn4517169914
      Oldsmobile Cutlass with GM 7.5" Series Axle 1981, Rear Differential Mini Installation Kit by Yukon Gear & Axle®. Location: Rear. Yukon Mini installation kits are a low cost solution for gear changes in newer vehicles where the bearings...
      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
      $74.15




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