1975 Pontiac Grand Prix Differentials & Components

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    • (0 reviews)
      # 1148390020
      Pontiac Grand Prix 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....
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $199.66 - $303.73
    • (0 reviews)
      # 531048259
      Pontiac Grand Prix 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...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $166.95 - $204.95
    • (1 review)
      # 68643487
      Pontiac Grand Prix 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 Koyo bearings and racesExpertly crafted from premium materials
      $131.16 - $137.84
    • (0 reviews)
      # 531064336
      Pontiac Grand Prix 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
      $63.91 - $106.01
    • (0 reviews)
      # mpn2412739
      Pontiac Grand Prix with 8.5" 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...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $106.95
    • (0 reviews)
      # mpn739976893
      Pontiac Grand Prix 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $132.42
    • (0 reviews)
      # 68643547
      Pontiac Grand Prix 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $91.36 - $126.09
    • (0 reviews)
      # mpn739977048
      Pontiac Grand Prix 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
      Pontiac Grand Prix 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....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $66.77
    • (0 reviews)
      # mpn358588626
      Pontiac Grand Prix 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.40
    • (0 reviews)
      # mpn358588602
      Pontiac Grand Prix 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $78.24
    • (0 reviews)
      # mpn358588584
      Pontiac Grand Prix 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $112.00
    • (0 reviews)
      # mpn358588444
      Pontiac Grand Prix 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $36.55
    • (0 reviews)
      # mpn2035563
      Pontiac Grand Prix with 7.5" Ring Gear / with 7.63" Ring Gear / with 8.5" Ring Gear with B Series Axle / with C Series Axle / with G Series Axle / with K Series Axle / with O Series Axle 1975, Rear Differential Bearing by Timken®. Get...
      Designed to effectively reduce frictionUltimate load handling capability
      $7.11
    • (0 reviews)
      # mpn2035566
      Pontiac Grand Prix with 8.75" Ring Gear / with 8.88" Ring Gear with M Series Axle / with P Series Axle 1975, Rear Differential Bearing Set by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball...
      Designed to effectively reduce frictionUltimate load handling capability
      $11.93
    • (0 reviews)
      # mpn2020911
      Pontiac Grand Prix with 7.5" Ring Gear / with 7.63" Ring Gear / with 8.5" Ring Gear with B Series Axle / with C Series Axle / with G Series Axle / with K Series Axle / with O Series Axle 1975, Rear Differential Race by Timken®....
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.37
    • (0 reviews)
      # 531077043
      Pontiac Grand Prix 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78 - $11.44
    • (0 reviews)
      # mpn1074425
      Pontiac Grand Prix 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
      $4.16
    • (0 reviews)
      # 531119218
      Pontiac Grand Prix with 8.5" Ring Gear with GM Series Axle 1975, Rear Axle Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $73.42 - $88.74
    • (0 reviews)
      # 531050172
      Pontiac Grand Prix 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
      $8.07 - $17.50
    • (0 reviews)
      # 531087615
      Pontiac Grand Prix 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
      $4.34 - $11.17
    • (0 reviews)
      # mpn1179154
      Pontiac Grand Prix 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...
      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
      Pontiac Grand Prix 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
      $5.30
    • (0 reviews)
      # mpn1461779754
      Pontiac Grand Prix with 10 Bolt Cover 1975, Differential Vent Valve by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $27.92
    • (0 reviews)
      # mpn1902176458
      Pontiac Grand Prix 1975, Posi-Traction Filler Tag by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $35.47
    • (0 reviews)
      # 212845120
      Pontiac Grand Prix with 8.5" Ring Gear with General Motors Series Axle with 30 Spline 1975, Differential Bearing Kit 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
      $51.39 - $54.59
    • (0 reviews)
      # mpn358588625
      Pontiac Grand Prix 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $12.60
    • (0 reviews)
      # mpn358588732
      Pontiac Grand Prix 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
      $26.05
    • (0 reviews)
      # mpn358588668
      Pontiac Grand Prix with 8.5" Ring Gear with General Motors Series Axle with 28 Pinion Spline 1975, Differential Pinion Bearing 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
      $11.88
    • (0 reviews)
      # mpn358588647
      Pontiac Grand Prix 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $4.58
    • (0 reviews)
      # mpn358588440
      Pontiac Grand Prix 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
      $23.80
    • (0 reviews)
      # mpn358588458
      Pontiac Grand Prix 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $14.70
    • (0 reviews)
      # mpn358588433
      Pontiac Grand Prix 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...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.61
    • (0 reviews)
      # 503559022
      Pontiac Grand Prix with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1975, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent...
      Quiet operationComputer controlled heat treatment
      $146.07 - $156.44
    • (0 reviews)
      # mpn4517168181
      Pontiac Grand Prix 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $77.55
    • (1 review)
      # 503624205
      Pontiac Grand Prix with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1975, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # 126510174
      Pontiac Grand Prix with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1975, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 97198037
      Pontiac Grand Prix 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 to a lower gear...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $260.13 - $389.21
    • (0 reviews)
      # mpn4517168100
      Pontiac Grand Prix with 2.73 to 5.13 Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1975, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a 100%-automatic locking...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $762.26
    • (0 reviews)
      # mpn4517168391
      Pontiac Grand Prix with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter 1975, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style...
      Helical-style pinion gearsLimited-slip operation
      $496.63
    • (0 reviews)
      # mpn4517168680
      Pontiac Grand Prix with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt with 1.20" Axle Shaft Diameter with Manual Locking Hubs 1975, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip...
      Superior rebuildable designRace-bred carbon friction discs
      $478.79
    • (0 reviews)
      # 1029280572
      Pontiac Grand Prix with 28 Spline with GM 8.5" Series Axle 1975, 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....
      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
      Pontiac Grand Prix with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 1975, Rear Grizzly Locker by Yukon Gear & Axle®. Location: Rear. The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for...
      Available for many popular off-road & performance applicationsPatent pending design reduces common failures
      $748.92
    • (0 reviews)
      # 503333317
      Pontiac Grand Prix with 28 Spline with GM 8.5" Series Axle 1975, 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)
      # 503677120
      Pontiac Grand Prix with 28 Spline 1975, 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...
      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
    • (0 reviews)
      # mpn4517168131
      Pontiac Grand Prix 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. Location: Rear. The ECTED Max is a...
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # mpn4517165875
      Pontiac Grand Prix 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®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # mpn4517165894
      Pontiac Grand Prix 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®. Location: Rear. Turns your torque up another notch, offering an even higher...
      Expertly crafted from superior materialsProvides exceptional reliability
      $518.98
    • (0 reviews)
      # 503635211
      Pontiac Grand Prix with Open Differential with GM 8.5" Series Axle 1975, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26
    • (0 reviews)
      # 503541129
      Pontiac Grand Prix with Open Differential with GM 8.5" Series Axle 1975, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $443.21
    • (0 reviews)
      # mpn4517168259
      Pontiac Grand Prix with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 1975, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35
    • (0 reviews)
      # 503519225
      Pontiac Grand Prix with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1975, Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $277.95
    • (0 reviews)
      # 503377447
      Pontiac Grand Prix with GM 8.5" Series Axle with 10 Bolt 1975, 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...
      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)
      # mpn4517166232
      Pontiac Grand Prix with 28 Spline with GM 8.5" Series Axle with 10 Bolt 1975, 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)
      # mpn4517165997
      Pontiac Grand Prix with GM 8.5" Series Axle with 10 Bolt 1975, 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....
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $59.93
    • (0 reviews)
      # 126511072
      Pontiac Grand Prix with GM 8.5" Series Axle with 10 Bolt 1975, 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...
      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)
      # 503554088
      Pontiac Grand Prix with GM 8.5" Series Axle with 10 Bolt 1975, 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...
      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)
      # 503579153
      Pontiac Grand Prix with GM 8.5" Series Axle with 10 Bolt 1975, Differential Super 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $115.16 - $125.48
    • (0 reviews)
      # mpn4517166000
      Pontiac Grand Prix with 28 Spline with Open Differential with GM 8.5" Series Axle with 10 Bolt 1975, Mini Spool 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
      $81.49
    • (0 reviews)
      # 503608342
      Pontiac Grand Prix with 8.5" Series Axle with 10 Bolt 1975, Spool 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $148.35 - $149.79




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