1975 Buick Riviera Differentials & Components

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    • (0 reviews)
      # 111378426
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1975, 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)
      # 531069518
      Buick Riviera with 8.5" Ring Gear 1975, 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)
      # 68463700
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1975, 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)
      # 531082398
      Buick Riviera 1975, 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 bearings, and all...
      Designed to effectively reduce frictionUltimate load handling capability
      $62.64 - $107.54
    • (0 reviews)
      # mpn739976893
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1975, 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)
      # 68463680
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1975, 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 Riviera with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1975, 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 Riviera with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1975, 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 Riviera with 8.5" Ring Gear with General Motors Series Axle with 30 Pinion Spline 1975, Basic Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.70
    • (0 reviews)
      # mpn358588602
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, 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
      $80.65
    • (0 reviews)
      # mpn358588584
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, 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
      $114.19
    • (0 reviews)
      # mpn358588444
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, 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
      $37.26
    • (0 reviews)
      # 531049875
      Buick Riviera 1975, 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
      $6.97 - $7.58
    • (0 reviews)
      # mpn2035566
      Buick Riviera with 8.75" Ring Gear 1975, Rear Differential Bearing Set by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and...
      Designed to effectively reduce frictionUltimate load handling capability
      $11.71
    • (0 reviews)
      # mpn2054350
      Buick Riviera 1975, 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,...
      Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion
      $4.93
    • (0 reviews)
      # 531128546
      Buick Riviera 1975, 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.13 - $4.30
    • (0 reviews)
      # mpn2079326
      Buick Riviera 1975, Rear Inner 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $16.27
    • (0 reviews)
      # mpn2079325
      Buick Riviera 1975, Rear Inner 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $11.59
    • (0 reviews)
      # 531068903
      Buick Riviera with GM Series Axle 1975, 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
      $8.38 - $12.43
    • (0 reviews)
      # mpn1074425
      Buick Riviera with 8.5" Ring Gear with GMC Transmission 1975, Rear Axle Differential Bearing Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.24
    • (0 reviews)
      # mpn1848279422
      Buick Riviera with 8.5" Ring Gear with GM Series Axle 1975, 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
      $73.50
    • (0 reviews)
      # 531195289
      Buick Riviera with GM Series Axle 1975, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.80 - $17.85
    • (0 reviews)
      # 531153910
      Buick Riviera with GM Series Axle 1975, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.78 - $11.39
    • (0 reviews)
      # mpn1179154
      Buick Riviera with 8.5" Ring Gear / with 8.875" Ring Gear with GMC Transmission 1975, Rear Outer Differential Pinion Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to...
      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
      $20.51
    • (0 reviews)
      # mpn1307881
      Buick Riviera with 8.5" Ring Gear / with 8.875" Ring Gear with GM Series Axle 1975, 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
      $5.41
    • (0 reviews)
      # mpn358588625
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, Differential Bearing Spacer With Shim Pack by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $12.27
    • (0 reviews)
      # mpn358588732
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, Differential Carrier Bearing Set by Ratech®. Bearings designed for use when installing aftermarket carriers only (Eaton, Moroso, ARB). These are not stock...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $26.56
    • (0 reviews)
      # mpn358588647
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, Differential Pinion Seal 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
      $4.24
    • (0 reviews)
      # mpn358588440
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, Differrential Carrier Shim Set 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
      $24.26
    • (0 reviews)
      # mpn358588458
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, 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
      $16.64
    • (0 reviews)
      # mpn358588433
      Buick Riviera with 8.5" Ring Gear with General Motors Series Axle 1975, 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
      $9.80
    • (0 reviews)
      # mpn4554792001
      Buick Riviera with GM 8.875" Series Axle with 12 Bolt 1975, Differential Cross Pin 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
      $18.99
    • (0 reviews)
      # mpn4515290621
      Buick Riviera with GM 8.875" Series Axle with 12 Bolt 1975, Mini Spool by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $96.99
    • (0 reviews)
      # mpn4515297062
      Buick Riviera with GM 8.875" Series Axle with 12 Bolt 1975, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $99.99
    • (0 reviews)
      # mpn4561984219
      Buick Riviera with GM 8.5" Series Axle 1975, Rear Differential Master Overhaul Kit by Alloy USA®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $183.00
    • (0 reviews)
      # mpn4517168131
      Buick Riviera T Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1975, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. The ECTED Max is a...
      Expertly crafted from superior materialsProvides exceptional reliability
      $776.82
    • (0 reviews)
      # mpn4517165875
      Buick Riviera T Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1975, HP™ Rear Limited Slip Differential by Auburn Gear®. High Performance. Auburn Gear’s flagship limited-slip...
      Expertly crafted from superior materialsProvides exceptional reliability
      $436.80
    • (0 reviews)
      # mpn4517165894
      Buick Riviera T Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1975, Pro™ Rear Limited Slip Differential by Auburn Gear®. Turns your torque up another notch, offering an even...
      Expertly crafted from superior materialsProvides exceptional reliability
      $549.12
    • (0 reviews)
      # 503509994
      Buick Riviera T Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1975, Rear Differential Spring Retainer Service Kit by Auburn Gear®. Dominate the track or hit the trails with...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $113.82
    • (0 reviews)
      # mpn4517168044
      Buick Riviera T Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1975, Rear Differential Wiring Harness Kit by Auburn Gear®. With Switch. Dominate the track or hit the trails with...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $85.36
    • (0 reviews)
      # mpn4517168200
      Buick Riviera with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1975, Detroit Locker™ Rear Differential by Eaton®. The Detroit Locker is a 100%-automatic locking differential that...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $759.51
    • (0 reviews)
      # 1029209531
      Buick Riviera with 10 Bolt 1975, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics....
      Helical-style pinion gearsLimited-slip operation
      $475.41 - $512.73
    • (0 reviews)
      # mpn4517169609
      Buick Riviera with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1975, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents wheel slip before it can get...
      Superior rebuildable designRace-bred carbon friction discs
      $504.99
    • (0 reviews)
      # mpn4517168181
      Buick Riviera with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1975, 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
      $141.20
    • (0 reviews)
      # mpn4517166306
      Buick Riviera with GM 8.875" Series Axle with 12 Bolt 1975, Rear 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 performance...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $191.15
    • (0 reviews)
      # 1145726358
      Buick Riviera with 2.73 and Up Gear Ratio with Front GM 8.5" (10 Bolt) Series Axle 1975, Differential Locker by OX Off Road®. OX Lockers can instantly lock differentials and allow you to tackle the toughest off-road terrain. The world's...
      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)
      # 1145790347
      Buick Riviera GM 8.5" Axle 1975, Differential Master Overhaul Kit by Revolution Gear & Axle®. With Timken™ Bearings. Designed utilizing the latest technology, this product by Revolution Gear & Axle features premium quality and will...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $104.49
    • (0 reviews)
      # 942608923
      Buick Riviera 1975, Ring and Pinion Gear Set by Revolution Gear & Axle®. Made from top quality 8620 Steel and are precision heat treated to OEM specifications, making for the best aftermarket gears available. Revolution gears are also...
      2 Year Limited WarrantyMade to promote and inspire your off-road adventures
      $175.00 - $195.00
    • (0 reviews)
      # mpn4510235918
      Buick Riviera GM 8.5" Axle 1975, Spider Gear Set by Revolution Gear & Axle®. Designed utilizing the latest technology, this product by Revolution Gear & Axle features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $116.99
    • (0 reviews)
      # mpn4517169459
      Buick Riviera with 2.73 Ratio and Numerically Higher with GM 8.5" Series Axle with 10 Bolt 1975, Excel™ Differential Carrier by Richmond®. Designed utilizing the latest technology, this product by Richmond features premium quality and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $76.01
    • (0 reviews)
      # mpn4517168748
      Buick Riviera with 30 Spline with GM 8.875" Series Axle with 12 Bolt with 1.3" Axle Spline Diameter 1975, Excel™ Rear Differential Carrier Gear Kit by Richmond®. Designed utilizing the latest technology, this product by Richmond...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $119.80
    • (0 reviews)
      # 503405195
      Buick Riviera with GM 8.5" Series Axle 1975, Rear Mini Spool by Spicer®. Designed to replace the spider gears inside the differential case, Spicer mini spools are a fast, effective way to get full lock-up on the dirt track or off-road.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $101.15 - $113.87
    • (0 reviews)
      # mpn4554792443
      Buick Riviera 1975, Unloaded Differential Case by Spicer®. 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 mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $90.75
    • (0 reviews)
      # 68463722
      Buick Riviera with 28 Spline 1975, Rear Differential Bearing Installation Kit by Yukon Gear & Axle®. With Timken Bearings and Races. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      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
      $144.44 - $173.69
    • (0 reviews)
      # 68463694
      Buick Riviera with 28 Spline 1975, Rear Differential Carrier Bearing Kit by Yukon Gear & Axle®. Includes: Carrier bearings, races and "super" carrier shim kit. Yukon Carrier installation kits are great, low cost kits for carrier changes...
      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
      $68.96 - $94.50
    • (0 reviews)
      # mpn4517167248
      Buick Riviera with 28 Spline with GM 8.5" Series Axle with Posi Differential 1975, Rear Differential Clutch Guide by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      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
      $4.69
    • (0 reviews)
      # 68463697
      Buick Riviera with 28 Spline with GM 8.5" Series Axle 1975, Rear Differential Clutch Set by Yukon Gear & Axle®. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. Designed...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $257.65 - $315.43
    • (0 reviews)
      # mpn4517167312
      Buick Riviera with 28 Spline with GM 8.5" Series Axle with Posi Differential 1975, Rear Differential Cross Pin Bolt by Yukon Gear & Axle®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      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
      $3.81
    • (0 reviews)
      # 68463709
      Buick Riviera with 28 Spline with GM 8.5" Series Axle 1975, Rear Differential Cross Pin Shaft by Yukon Gear & Axle®. 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
      $23.57 - $37.37
    • (0 reviews)
      # mpn4517167447
      Buick Riviera with 28 Spline with GM 8.5" Series Axle 1975, Rear Differential Crush Sleeve by Yukon Gear & Axle®. Designed utilizing the latest technology, this product by Yukon Gear & Axle features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3.79




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