1985 Buick Regal Differentials & Components

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    • (0 reviews)
      # 111378258
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1985, 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...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $199.66 - $303.73
    • (0 reviews)
      # 531067286
      Buick Regal 1985, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the axles. It's robust steel construction ensures...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $115.44 - $198.95
    • (1 review)
      # 68463477
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1985, Rear Master Overhaul Bearing Kit by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $131.16 - $137.84
    • (0 reviews)
      # mpn2017975
      Buick Regal with 7.5" Ring Gear 1985, 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $65.47
    • (0 reviews)
      # 531061093
      Buick Regal 1985, 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 hand. The kit includes...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $104.95 - $116.95
    • (0 reviews)
      # mpn739976893
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1985, Front / 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
      $132.42
    • (0 reviews)
      # 68463457
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1985, Rear Differential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small parts. USA Standard Gear...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $91.36 - $126.09
    • (0 reviews)
      # mpn739977048
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1985, Rear Mini Spool by USA Standard Gear®. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. When it comes to a...
      Installs into a standard open carrier caseProvides 100% traction to both wheels at all times
      $92.55
    • (0 reviews)
      # mpn739977046
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1985, Rear Pinion Installation Kit by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $66.77
    • (0 reviews)
      # 202157740
      Buick Regal with General Motors Series Axle 1985, Basic Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.40 - $15.44
    • (0 reviews)
      # mpn358588602
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1985, Complete Series™ Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $78.34
    • (0 reviews)
      # mpn358588584
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1985, Deluxe Series Differential Kit With Pinion 10-Bolt by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $112.14
    • (0 reviews)
      # 202157776
      Buick Regal with General Motors Series Axle 1985, Differential Installation Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $36.55 - $39.82
    • (0 reviews)
      # 531187485
      Buick Regal 1985, 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 - $18.65
    • (0 reviews)
      # 531113050
      Buick Regal with 7.5" Ring Gear / with 7.63" Ring Gear 1985, Rear Differential Pinion Bearing 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
      $7.43 - $16.16
    • (0 reviews)
      # 531194921
      Buick Regal with 7.5" Ring Gear / with 7.63" Ring Gear 1985, 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 is the...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.74 - $8.27
    • (0 reviews)
      # mpn2054383
      Buick Regal with 7.5" Ring Gear / with 7.63" Ring Gear 1985, 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...
      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)
      # mpn2020911
      Buick Regal with 7.5" Ring Gear / with 8.5" Ring Gear 1985, 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.37
    • (0 reviews)
      # 531092150
      Buick Regal 1985, 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 pinion gear nut is tightened....
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.86 - $3.07
    • (0 reviews)
      # mpn2377088
      Buick Regal with 7.5" Ring Gear / with 8.5" Ring Gear 1985, 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...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.74
    • (0 reviews)
      # mpn864851579
      Buick Somerset Regal Automatic Transmission 1985, GM Original Equipment™ Differential Carrier Internal Gear Thrust Bearing by ACDelco®. 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
      $5.45
    • (0 reviews)
      # mpn864657673
      Buick Regal with 8.50" Ring Gear with Positraction Limited Slip Rear Axle 1985, GM Original Equipment™ Differential Magnet by ACDelco®. 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
      $5.39
    • (0 reviews)
      # 531149210
      Buick Regal 1985, GM Original Equipment™ Differential Pinion Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $28.08 - $39.02
    • (0 reviews)
      # 531142819
      Buick Regal 1985, GM Original Equipment™ Differential Pinion Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.74 - $17.21
    • (0 reviews)
      # mpn4476731964
      Buick Somerset Regal Automatic Transmission 1985, GM Original Equipment™ Front Differential Carrier Internal Gear Retaining Ring by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.76
    • (0 reviews)
      # mpn2660238291
      Buick Regal 1985, GM Original Equipment™ Rear Differential Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $27.90
    • (0 reviews)
      # mpn1074426
      Buick Regal with 7.5" Ring Gear / with 8.5" Ring Gear with GM Series Axle 1985, Rear Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78
    • (0 reviews)
      # mpn1074425
      Buick Regal with 7.5" Ring Gear / with 8.5" Ring Gear with GMC Transmission 1985, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # 531131647
      Buick Regal with GM Series Axle 1985, Rear Axle Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $73.80 - $88.29
    • (0 reviews)
      # 531166532
      Buick Regal with GM Series Axle 1985, 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 ensure...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.08 - $15.08
    • (0 reviews)
      # 531177158
      Buick Regal with GM Series Axle 1985, 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
      $3.57 - $8.34
    • (0 reviews)
      # 531080634
      Buick Regal with GMC Transmission 1985, 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 optimally. It is built...
      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
      $19.40 - $20.11
    • (0 reviews)
      # 531118474
      Buick Regal with GM Series Axle 1985, 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 with customers in...
      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 - $9.45
    • (0 reviews)
      # mpn250168
      Buick Somerset Regal 1985, Differential Bearing by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles...
      OE quality products from top original equipmentTop quality materials
      $23.50
    • (0 reviews)
      # mpn358588599
      Buick Regal with 7.5" Ring Gear with General Motors Series Axle 1985, 0.620" Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $3.83
    • (0 reviews)
      # 202157753
      Buick Regal with General Motors Series Axle 1985, Differential Bearing Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $51.45 - $55.04
    • (0 reviews)
      # 202157806
      Buick Regal with General Motors Series Axle 1985, Differential Bearing Spacer by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $12.62
    • (0 reviews)
      # 202157760
      Buick Regal with General Motors Series Axle 1985, Differential Carrier Bearing Set by Ratech®.
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $23.34 - $26.08
    • (0 reviews)
      # mpn358588668
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Pinion Spline 1985, Differential Pinion Bearing by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $11.89
    • (0 reviews)
      # mpn358588466
      Buick Regal with 7.5" Ring Gear with General Motors Series Axle 1985, Differential Pinion Nut by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $2.62
    • (0 reviews)
      # mpn358588647
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1985, Differential Pinion Seal by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $4.59
    • (0 reviews)
      # mpn358588440
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1985, Differrential Carrier Shim Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $23.83
    • (0 reviews)
      # mpn358588439
      Buick Regal with 7.5" Ring Gear with General Motors Series Axle 1985, Pinion Shim Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.53
    • (0 reviews)
      # mpn358588458
      Buick Regal with 7.5" Ring Gear / with 8.5" Ring Gear with General Motors Series Axle 1985, Ring Gear Bolt Set by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $14.72
    • (0 reviews)
      # 202157797
      Buick Regal with General Motors Series Axle 1985, Smart Sleeve Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.62
    • (0 reviews)
      # mpn1146628089
      Buick Somerset Regal Automatic Transmission 1985, Driver Side / Passenger Side Differential Seal by Pioneer Automotive®. By having own manufacturing facilities Pioneer Automotive® can guarantee the best quality in the market with the...
      Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions
      $2.43
    • (0 reviews)
      # mpn4487760287
      Buick Somerset Regal Automatic Transmission 1985, GM Original Equipment™ Differential Pinion Gear Thrust Washer by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.24
    • (0 reviews)
      # 503407086
      Buick Regal with 10 Bolt 1985, 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, superior...
      Quiet operationComputer controlled heat treatment
      $144.79 - $156.44
    • (0 reviews)
      # mpn4517168181
      Buick Regal with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1985, Differential Carrier by Motive Gear®. Without Internal Kit. All Motive Gear products are engineered for their specific application and manufactured in...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $77.55
    • (1 review)
      # 503425982
      Buick Regal with 10 Bolt 1985, 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 use...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # mpn4517172536
      Buick Regal with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1985, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Pro Gear ring and pinions are perfect for dedicated racing or...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $448.50
    • (0 reviews)
      # 126452408
      Buick Regal with 10 Bolt 1985, 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 strength,...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503533265
      Buick Regal Grand National 1985, Ring and Pinion Gear Set by Alloy USA®. Mounting larger diameter wheels and tires requires a gear ratio change to maintain the same performance. But even if you're not getting new skins, changing to a...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $260.13 - $389.21
    • (0 reviews)
      # 1029262588
      Buick Regal with 10 Bolt 1985, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a 100%-automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $762.26 - $774.70
    • (0 reviews)
      # 1029236605
      Buick Regal with 10 Bolt 1985, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling...
      Helical-style pinion gearsLimited-slip operation
      $462.64 - $496.63
    • (0 reviews)
      # 1028930153
      Buick Regal 4.3L / 5.7L with 10 Bolt 1985, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a...
      Superior rebuildable designRace-bred carbon friction discs
      $478.79 - $487.18
    • (0 reviews)
      # 1029246507
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1985, 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 OE equipment. Steel...
      Provides aggressive yet smooth traction to give you the confidence and performance you needFully rebuildable 4 spring design with composite clutches
      $520.37
    • (0 reviews)
      # mpn4517166816
      Buick Regal with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 1985, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street,...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $748.92
    • (0 reviews)
      # 503472352
      Buick Regal with 28 Spline with GM 8.5" Series Axle 1985, 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...
      Smooth finishEasy Set-Up
      $298.94 - $503.50
    • (0 reviews)
      # 503612479
      Buick Regal with 28 Spline 1985, Rear Standard Open Carrier Case by Yukon Gear & Axle®. Without Spider Gears. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and...
      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
      $143.67 - $254.96




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