1973 Buick Regal Differentials & Components

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    • (0 reviews)
      # 111377804
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1973, 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)
      # 531051327
      Buick Regal with 8.5" Ring Gear 1973, Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the axles. It's robust steel...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $166.95 - $204.95
    • (1 review)
      # 68462826
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1973, 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)
      # 531161004
      Buick Regal with 8.5" Ring Gear 1973, 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
      $61.70 - $122.30
    • (0 reviews)
      # mpn2412739
      Buick Regal with 8.5" Ring Gear 1973, 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....
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $106.95
    • (0 reviews)
      # mpn739976893
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1973, 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)
      # 68462880
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1973, 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 1973, 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 1973, 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)
      # mpn358588626
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 30 Pinion Spline 1973, Basic Series Differential Kit 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
      $15.40
    • (0 reviews)
      # mpn358588602
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, 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
      $78.24
    • (0 reviews)
      # mpn358588584
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, 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
      $112.00
    • (0 reviews)
      # mpn358588444
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, Differential Installation Kit 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
      $36.55
    • (0 reviews)
      # 531105660
      Buick Regal 1973, Rear Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium design,...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.86 - $10.17
    • (0 reviews)
      # mpn2035566
      Buick Regal with Pontiac P Series Axle 1973, Rear Differential Bearing Set 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
      $11.53
    • (0 reviews)
      # 531064011
      Buick Regal 1973, Rear Differential Pinion 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.17 - $16.01
    • (0 reviews)
      # 531080777
      Buick Regal 1973, 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 right choice if you opt for a highly durable...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.62 - $11.41
    • (0 reviews)
      # 531169093
      Buick Regal 1973, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring...
      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
      $4.87 - $8.47
    • (0 reviews)
      # 531156159
      Buick Regal 1973, Rear Differential Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the right choice if you opt for a highly durable part that...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.08 - $7.38
    • (0 reviews)
      # 531155360
      Buick Regal with GM Series Axle 1973, 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 to ensure...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78 - $11.44
    • (0 reviews)
      # mpn1074425
      Buick Regal with 8.5" Ring Gear with GMC Transmission 1973, 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 optimally....
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.16
    • (0 reviews)
      # mpn1848279422
      Buick Regal with 8.5" Ring Gear with GM Series Axle 1973, 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 computer...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $73.42
    • (0 reviews)
      # 531118038
      Buick Regal with GM Series Axle 1973, 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
      $8.07 - $17.50
    • (0 reviews)
      # 531047150
      Buick Regal with GM Series Axle 1973, Rear Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built to the original...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.34 - $11.17
    • (0 reviews)
      # mpn1179154
      Buick Regal with 8.5" Ring Gear / with 8.875" Ring Gear with GMC Transmission 1973, 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...
      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
      Buick Regal with 8.5" Ring Gear / with 8.875" Ring Gear with GM Series Axle 1973, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using...
      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)
      # mpn358588573
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle with 30 Spline 1973, Differential Bearing Kit With Pinion 10-Bolt 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
      $51.39
    • (0 reviews)
      # mpn358588625
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, Differential Bearing Spacer With Shim Pack 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
      $12.04
    • (0 reviews)
      # mpn358588732
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, Differential Carrier Bearing Set by Ratech®. Bearings designed for use when installing aftermarket carriers only (Eaton, Moroso, ARB). These are not stock replacement...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $26.05
    • (0 reviews)
      # mpn358588647
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, 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
      $4.17
    • (0 reviews)
      # mpn358588440
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, 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
      $23.80
    • (0 reviews)
      # mpn358588458
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, Ring Gear Bolt Set 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
      $14.70
    • (0 reviews)
      # mpn358588433
      Buick Regal with 8.5" Ring Gear with General Motors Series Axle 1973, Smart Sleeve Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.61
    • (0 reviews)
      # mpn4554792024
      Buick Regal with GM 8.5" Series Axle with TrueTrac Differential 1973, 12 Point Ring Gear Bolt Kit by ARP®. The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today’s sticky tire compounds or...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $65.36
    • (0 reviews)
      # mpn4515293129
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, Differential Cross Pin 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
      $18.99
    • (0 reviews)
      # mpn4515290619
      Buick Regal with GM 7.5" Series Axle / with GM 8.5" Series Axle 1973, Differential Pinion Nut by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # 990446165
      Buick Regal 1973, 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 your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.99
    • (0 reviews)
      # mpn4515290620
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, Mini Spool by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $96.99
    • (0 reviews)
      # 990450066
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, 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 defects or...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # mpn4515293218
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99
    • (0 reviews)
      # mpn4515293621
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, 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, and/or birth...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $43.99
    • (0 reviews)
      # mpn4517168131
      Buick Regal with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. The ECTED Max is a selectable traction device;...
      Expertly crafted from superior materialsProvides exceptional reliability
      $761.88
    • (0 reviews)
      # mpn4517165875
      Buick Regal with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, HP™ Rear Limited Slip Differential by Auburn Gear®. High Performance. Auburn Gear’s flagship limited-slip differential gives you...
      Expertly crafted from superior materialsProvides exceptional reliability
      $428.40
    • (0 reviews)
      # mpn4517165894
      Buick Regal with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, Pro™ Rear Limited Slip Differential by Auburn Gear®. Turns your torque up another notch, offering an even higher bias ratio and faster...
      Expertly crafted from superior materialsProvides exceptional reliability
      $538.56
    • (0 reviews)
      # 503695211
      Buick Regal with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, Rear Differential Spring Retainer Service Kit by Auburn Gear®. 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
      $111.63
    • (0 reviews)
      # mpn4517168044
      Buick Regal with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, Rear Differential Wiring Harness Kit by Auburn Gear®. With Switch. Dominate the track or hit the trails with condidence by fine tuning...
      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
      $83.72
    • (0 reviews)
      # mpn4517168391
      Buick Regal with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1973, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style performance differential...
      Helical-style pinion gearsLimited-slip operation
      $512.73
    • (0 reviews)
      # 503318452
      Buick Regal with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1973, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements...
      Quiet operationComputer controlled heat treatment
      $146.07 - $156.44
    • (0 reviews)
      # 503522086
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $72.92 - $103.58
    • (0 reviews)
      # mpn4517168181
      Buick Regal with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1973, 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
    • (0 reviews)
      # mpn4517166232
      Buick Regal with 28 Spline with GM 8.5" Series Axle with 10 Bolt 1973, 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 and...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $89.77
    • (0 reviews)
      # 1029090555
      Buick Regal 1973, Differential Carrier Shim Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $17.31 - $21.36
    • (0 reviews)
      # mpn4517167611
      Buick Regal with 8.5" Series Axle with 10 Bolt 1973, 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 company...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.95
    • (0 reviews)
      # mpn4517165997
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $59.93
    • (0 reviews)
      # 503661144
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $91.57 - $108.26
    • (0 reviews)
      # 503657369
      Buick Regal with GM 8.5" Series Axle with 10 Bolt 1973, 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...
      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)
      # mpn4517167740
      Buick Regal 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" Series Axle /...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $3.59
    • (0 reviews)
      # mpn4517167561
      Buick Regal with 8.2" Series Axle / with 8.5" Series Axle / with 8.6" Series Axle 1973, Differential Pinion Seal 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
      $2.65
    • (0 reviews)
      # mpn4517168484
      Buick Regal with GM 8.5" Series Axle 1973, Differential Pinion Shaft by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $18.71
    • (0 reviews)
      # mpn4517166248
      Buick Regal 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 / with GM 8.5"...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $7.57




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