1975 GMC G-Series Differentials & Components

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    • (0 reviews)
      # 111365590
      GMC G-Series 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 Standard Gear offers a full line of ring & pinion sets for a variety...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $241.74 - $306.67
    • (0 reviews)
      # 531074889
      GMC G-Series 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 construction ensures...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $166.95 - $204.95
    • (0 reviews)
      # 68587111
      GMC G-Series 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 Koyo bearings and races. When it comes to a top-notch replacement...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $139.88 - $355.24
    • (0 reviews)
      # 531168659
      GMC G-Series 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
      $86.34 - $135.12
    • (0 reviews)
      # mpn103771
      GMC G15 / G25 with 8.875" Ring Gear 1975, 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
      $122.95
    • (0 reviews)
      # 68587063
      GMC G-Series 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 does extensive research for each application to make sure your kit...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $121.95 - $196.85
    • (0 reviews)
      # mpn739977051
      GMC G35 with Dana 60 Series Axle with 30 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 Standard Gear offers a full line of...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $146.31
    • (0 reviews)
      # 68587331
      GMC G35 with Dana 60 Series Axle with 30 Spline 1975, Rear Spool by USA Standard Gear®. 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...
      Provides 100% traction to both wheels at all timesNot recommended for street driven vehicles
      $305.47 - $342.16
    • (0 reviews)
      # 68587283
      GMC G-Series 1975, Spider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of gear sets for a variety of common and hard to find...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $103.65 - $168.01
    • (0 reviews)
      # mpn915863
      GMC G15 / G25 with 8.5" Ring Gear with 10 Bolt Housing Cover with 28 Spline 1975, Rear Spider Gear Set by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $102.39
    • (0 reviews)
      # mpn1579934257
      GMC G15 1975, Differential Pinion Support by American Axle®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate satisfaction....
      Dependable solution for driveline and drivetrain systemsHighly engineered for top quality and operational excellence
      $90.10
    • (0 reviews)
      # 202155247
      GMC G15 / G25 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 and easy use which...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.70 - $15.75
    • (0 reviews)
      # 202155253
      GMC G15 / G25 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 makes it the...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $79.78 - $80.65
    • (0 reviews)
      # mpn358588584
      GMC G15 / G25 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)
      # mpn358588453
      GMC G15 / G25 with 8.875" 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $41.12
    • (0 reviews)
      # 531125169
      GMC G-Series 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 - $18.03
    • (0 reviews)
      # 531056019
      GMC G-Series 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 all feature premium...
      Designed to effectively reduce frictionUltimate load handling capability
      $11.71
    • (0 reviews)
      # 531127431
      GMC G-Series 1975, 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
      $7.28 - $30.70
    • (0 reviews)
      # 531147815
      GMC G-Series 1975, 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
      $3.67 - $13.78
    • (0 reviews)
      # 531130041
      GMC G35 1975, Rear Differential Pinion Repair Sleeve by Timken®. Repair sleeves restore the sealing surface on yokes and shafts, avoiding expensive components replacement. This hard, wear-resistant, and ultra low friction sleeve is...
      Restores the sealing surface on worn shafts and yokesEliminates the need to replace expensive components that are otherwise serviceable
      $17.98
    • (0 reviews)
      # 531166556
      GMC G-Series 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 - $10.37
    • (0 reviews)
      # 531148476
      GMC G-Series 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 - $9.50
    • (0 reviews)
      # mpn2889928557
      GMC G35 1975, Advantage™ 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 latest technology,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $12.06
    • (0 reviews)
      # 531150298
      GMC G-Series 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 ultimate performance...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $12.43 - $16.80
    • (0 reviews)
      # 531090694
      GMC G35 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 optimally. It is built to the original equipment...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $11.52
    • (0 reviews)
      # 531085333
      GMC G-Series 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 ensure ultimate...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.80 - $32.95
    • (0 reviews)
      # 531195390
      GMC G-Series 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 original equipment...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.78 - $20.39
    • (0 reviews)
      # 531165078
      GMC G-Series 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 keep your vehicle perform optimally. It is built to the original...
      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
      $19.50 - $19.69
    • (0 reviews)
      # 531083698
      GMC G-Series 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 state-of-the-art technology and with customers in mind, this product by...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $7.00 - $10.56
    • (0 reviews)
      # mpn1579934193
      GMC G15 with 10.5" Ring Gear with General Motors Series Axle 1975, Differential Crush Sleeve by American Axle®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes...
      Dependable solution for driveline and drivetrain systemsHighly engineered for top quality and operational excellence
      $6.55
    • (0 reviews)
      # mpn1579934376
      GMC G15 with 10.5" Ring Gear with General Motors Series Axle 1975, Ring Gear Bolt by American Axle®. 6 Pt Flange Hex. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which...
      Dependable solution for driveline and drivetrain systemsHighly engineered for top quality and operational excellence
      $4.42
    • (0 reviews)
      # mpn358588625
      GMC G15 / G25 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)
      # 202155274
      GMC G15 / G25 with General Motors Series Axle 1975, Differential Carrier Bearing Set by Ratech®.
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $26.56 - $27.02
    • (0 reviews)
      # 202155259
      GMC G-Series with General Motors Series Axle 1975, Differential Pinion Bearing 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
      $19.47 - $25.27
    • (0 reviews)
      # mpn358588468
      GMC G15 / G25 with 8.875" Ring Gear with General Motors Series Axle 1975, Differential Pinion Nut 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
      $2.96
    • (0 reviews)
      # mpn358588647
      GMC G15 / G25 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
      GMC G15 / G25 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)
      # 202155289
      GMC G-Series 1975, 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 deal for your ultimate satisfaction.
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $8.17 - $9.10
    • (0 reviews)
      # mpn358588458
      GMC G15 / G25 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
      GMC G15 / G25 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)
      # mpn1579934168
      GMC G15 with 10.5" Ring Gear with General Motors Series Axle 1975, Pinion Nut by American Axle®. 6 Point Hex - Tq Preview. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use...
      Dependable solution for driveline and drivetrain systemsHighly engineered for top quality and operational excellence
      $9.03
    • (0 reviews)
      # 990406239
      GMC G15 / G25 1975, Differential Cross Pin 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
      $18.99
    • (0 reviews)
      # mpn4515290619
      GMC G15 / G25 with GM 7.5" Series Axle / with GM 8.5" Series Axle 1975, 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)
      # 990410827
      GMC G15 / G25 1975, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.99
    • (0 reviews)
      # 990455840
      GMC G15 / G25 1975, Mini Spool 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 and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $96.99
    • (0 reviews)
      # mpn4515294792
      GMC G15 / G25 with GM 7.5" Series Axle 1975, Ring Gear Spacer 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
      $52.99
    • (0 reviews)
      # 990420661
      GMC G15 / G25 with GM 8.5" Series Axle with 10 Bolt 1975, 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)
      # 990436779
      GMC G-Series 1975, Ring and Pinion Installation Bearing Kit by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform better than advertised. Perfect...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99 - $159.99
    • (0 reviews)
      # 1066557518
      GMC G-Series 1975, 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 defects or other reproductive harm.
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $38.99 - $61.99
    • (0 reviews)
      # 1346607887
      GMC G15 with GM 8.875" Series Axle 1975, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $344.57 - $354.99
    • (0 reviews)
      # 1029178558
      GMC G-Series with 30 Spline with GM 8.875" Series Axle with 12 Bolt 1975, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. The ECTED Max is a selectable traction device; an on/off switch is...
      Expertly crafted from superior materialsProvides exceptional reliability
      $776.82
    • (0 reviews)
      # 1029219539
      GMC G-Series 1975, HP™ Rear Limited Slip Differential by Auburn Gear®. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with the correct bias ratios to out perform the...
      Expertly crafted from superior materialsProvides exceptional reliability
      $410.59 - $436.80
    • (0 reviews)
      # mpn4517170222
      GMC G15 / G35 with 35 Spline with GM 10.5" Series Axle with 14 Bolt 1975, MAX Lock™ Rear Open Mechanical Locker Differential by Auburn Gear®. New is an automatic full locker, giving both 4 Wheel Drives and 2 Wheel Drives optimized...
      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
      $334.10
    • (0 reviews)
      # 1029242489
      GMC G-Series 1975, Pro™ Rear Limited Slip Differential by Auburn Gear®. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction than HP for the very best in controlled power transfer....
      Expertly crafted from superior materialsProvides exceptional reliability
      $502.94 - $549.12
    • (0 reviews)
      # 503465233
      GMC G-Series 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 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
      $113.82
    • (0 reviews)
      # 503564058
      GMC G-Series with 30 Spline with GM 8.875" Series Axle with 12 Bolt 1975, Rear Differential Wiring Harness Kit by Auburn Gear®. With Switch. Dominate the track or hit the trails with condidence 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
      $85.36
    • (0 reviews)
      # 503409291
      GMC G-Series with 30 Spline with Dana 44 Series Axle 1975, Front Differential Locker by Aussie Locker®. The Aussie Locker is the most advanced "traction added" Automatic Precision Locker in the world today. Specifically designed for...
      High quality at an affordable priceExpertly made from premium materials
      $289.75
    • (0 reviews)
      # 1029037547
      GMC G-Series 1975, Detroit Locker™ Rear Differential by Eaton®. The Detroit Locker is a 100%-automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet-proof design is...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $489.00 - $828.54
    • (0 reviews)
      # 1029123531
      GMC G-Series 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. Operation of the...
      Helical-style pinion gearsLimited-slip operation
      $563.27 - $945.63
    • (0 reviews)
      # 1028997502
      GMC G-Series 1975, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central spring assembly, are located...
      Superior rebuildable designRace-bred carbon friction discs
      $489.99 - $614.99




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