1991 Oldsmobile Custom Cruiser Differentials & Components

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    • (0 reviews)
      # 531047396
      Oldsmobile Custom Cruiser 1991, 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
      $115.44 - $204.95
    • (0 reviews)
      # 531114533
      Oldsmobile Custom Cruiser with 8.5" Ring Gear 1991, Rear Axle Differential Bearing and Seal Kit by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and...
      Designed to effectively reduce frictionUltimate load handling capability
      $63.91 - $106.01
    • (0 reviews)
      # mpn2412739
      Oldsmobile Custom Cruiser with 8.5" Ring Gear 1991, 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...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $106.95
    • (0 reviews)
      # mpn2377089
      Oldsmobile Custom Cruiser with 8.5-8.75" Ring Gear 1991, Differential Crush Sleeves 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
      $3.04
    • (0 reviews)
      # mpn2377088
      Oldsmobile Custom Cruiser 1991, 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 to the rear differential. The...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.74
    • (0 reviews)
      # 531050591
      Oldsmobile Custom Cruiser 1991, GM Original Equipment™ Differential Magnet 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $5.39 - $5.89
    • (0 reviews)
      # 1094966906
      Oldsmobile Custom Cruiser 1991, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.74 - $17.21
    • (0 reviews)
      # mpn2660238291
      Oldsmobile Custom Cruiser 1991, GM Original Equipment™ Rear Differential Bearing - Side Of Rear Axle by ACDelco®. Location: Side Of Rear Axle. Don’t be “indifferent” toward your differential. It plays a vital role in moving your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $27.90
    • (0 reviews)
      # mpn4525249387
      Oldsmobile Custom Cruiser with 8.5" Ring Gear / with 8.625" Ring Gear with 10 Bolt Housing Cover 1991, GM Original Equipment™ Rear Inner Differential Carrier Bearing Shim by ACDelco®. Designed utilizing the latest technology, this...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $41.91
    • (0 reviews)
      # mpn1074426
      Oldsmobile Custom Cruiser with 8.5" Ring Gear with GM Series Axle 1991, Rear Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78
    • (0 reviews)
      # mpn1074425
      Oldsmobile Custom Cruiser with 8.5" Ring Gear with GMC Transmission 1991, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # 531063571
      Oldsmobile Custom Cruiser with 8.5" Ring Gear with GM Series Axle 1991, 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...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $73.42 - $88.74
    • (0 reviews)
      # 531055003
      Oldsmobile Custom Cruiser with 8.5" Ring Gear with GM Series Axle 1991, Rear Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.07 - $10.74
    • (0 reviews)
      # 531173431
      Oldsmobile Custom Cruiser with 8.5" Ring Gear with GM Series Axle 1991, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.34 - $5.68
    • (0 reviews)
      # mpn1179154
      Oldsmobile Custom Cruiser with 8.5" Ring Gear with GMC Transmission 1991, 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...
      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
      Oldsmobile Custom Cruiser with 8.5" Ring Gear with GM Series Axle 1991, 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...
      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)
      # 503478127
      Oldsmobile Custom Cruiser with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1991, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent...
      Quiet operationComputer controlled heat treatment
      $146.07 - $156.44
    • (1 review)
      # 503526398
      Oldsmobile Custom Cruiser with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1991, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # 503504496
      Oldsmobile Custom Cruiser with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1991, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503641191
      Oldsmobile Custom Cruiser with Open Differential with GM 8.5" Series Axle 1991, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26
    • (0 reviews)
      # 503500277
      Oldsmobile Custom Cruiser with Open Differential with GM 8.5" Series Axle 1991, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $443.21
    • (0 reviews)
      # mpn4517168259
      Oldsmobile Custom Cruiser with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 1991, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35
    • (0 reviews)
      # 503534511
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1991, Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $277.95
    • (0 reviews)
      # mpn4517168046
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle 1991, 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...
      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
    • (0 reviews)
      # mpn4517168484
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle 1991, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $18.71
    • (0 reviews)
      # mpn4517167735
      Oldsmobile Custom Cruiser 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
      $2.47
    • (0 reviews)
      # mpn4517166247
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle 1991, 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
      $45.62
    • (0 reviews)
      # mpn4517169981
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle 1991, 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...
      High quality at an affordable priceExpertly made from premium materials
      $25.58
    • (0 reviews)
      # 503460114
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle 1991, 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...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $21.59 - $41.42
    • (0 reviews)
      # mpn4515290619
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle 1991, Differential Pinion Nut by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # mpn4515293191
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle 1991, Differential Pinion Seal by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.99
    • (0 reviews)
      # mpn4515293218
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle with 10 Bolt 1991, Ring and Pinion Installation Bearing Kit by AllStar Performance®.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99
    • (0 reviews)
      # 1145955361
      Oldsmobile Custom Cruiser 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 1991, Differential Locker by OX Off Road®. OX Lockers can instantly lock differentials and allow...
      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)
      # 1029055582
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle/ with 8.625" Series Axle with 10 Bolt 1991, Excel™ Rear Ring and Pinion Gear Set by Richmond®. Location: Rear. Designed utilizing the latest technology, this product by Richmond...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $164.95
    • (0 reviews)
      # mpn4517168081
      Oldsmobile Custom Cruiser with GM 8.5" Series Axle 1991, 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...
      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
      $130.86
    • (0 reviews)
      # mpn4517169148
      Oldsmobile Custom Cruiser with GM 7.5" Series Axle / with GM 7.625" Series Axle with TrueTrac Differential 1991, 12 Point Ring Gear Bolt Kit by ARP®. The tremendous shock loads generated at launch by most any drag racing vehicle...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $65.36
    • (0 reviews)
      # mpn4517172262
      Differential Mini Spool by AFCO®. AFCO parts improve performance across many racing and performance applications. The common thread among our racing and performance parts is unmatched performance. AFCO products are built to win. AFCO...
      Perfect solution for racing or performance applicationsMade to provide unmatched efficiency and win
      $119.99
    • (0 reviews)
      # mpn4517172071
      Mini Spool by Coleman Racing®. These lightweight mini spool are designed to replace the spider gears in the GM differential offering a solid locked rear end. They are available to fit the 10 and 12 bolt rear ends and weighs only 4 lbs....
      Designed to help you win the competitionMade using advanced race-proven technologies
      $107.21
    • (0 reviews)
      # mpn4517172710
      Spool by Coleman Racing®. With Thick Gear. If you are looking to upgrade the steering system of your vehicle to make the most out of your vehicle’s performance, go with this high-grade steering part that is engineered to be second to...
      Designed to help you win the competitionMade using advanced race-proven technologies
      $400.97
    • (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)
      # 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)
      # 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)
      # mpn4517171419
      Ring Gear Spacer by Big End Performance®.
      High quality at an affordable priceExpertly made from premium materials
      $55.31
    • (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)
      # 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
    • (0 reviews)
      # mpn4525249236
      Oldsmobile Custom Cruiser with 8.5" Ring Gear 1991, Advantage™ Rear Inner Differential Pinion Race by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.95




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