1979 Pontiac Grand Prix Differentials & Components

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    • (0 reviews)
      # 111380777
      Pontiac Grand Prix with General Motors Series Axle 1979, 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...
      Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle
      $199.66 - $303.73
    • (0 reviews)
      # 531112613
      Pontiac Grand Prix 1979, 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...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $100.92 - $204.95
    • (1 review)
      # 68643632
      Pontiac Grand Prix with General Motors Series Axle 1979, 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...
      Uses Koyo bearings and racesExpertly crafted from premium materials
      $122.95 - $137.84
    • (0 reviews)
      # 531132435
      Pontiac Grand Prix with 8.5" Ring Gear 1979, 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $62.64 - $107.54
    • (0 reviews)
      # 68643547
      Pontiac Grand Prix with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1979, 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 1979, 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 1979, 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)
      # 68643742
      Pontiac Grand Prix with General Motors Series Axle 1979, 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $102.61 - $132.42
    • (0 reviews)
      # 202161320
      Pontiac Grand Prix with General Motors Series Axle 1979, Basic Series Differential Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $15.70 - $15.75
    • (0 reviews)
      # 202161301
      Pontiac Grand Prix with General Motors Series Axle 1979, 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
      $74.90 - $80.65
    • (0 reviews)
      # mpn358588584
      Pontiac Grand Prix with 8.5" Ring Gear with General Motors Series Axle 1979, 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
      $114.19
    • (0 reviews)
      # 202161345
      Pontiac Grand Prix with General Motors Series Axle 1979, Differential Installation Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $37.26 - $40.58
    • (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 1979, Rear Differential Bearing by Timken®. Get...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.97
    • (0 reviews)
      # mpn2035566
      Pontiac Grand Prix with 8.75" Ring Gear / with 8.88" Ring Gear with M Series Axle / with P Series Axle 1979, Rear Differential Bearing Set by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball...
      Designed to effectively reduce frictionUltimate load handling capability
      $11.71
    • (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 1979, Rear Differential Race by Timken®....
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.30
    • (0 reviews)
      # mpn2377090
      Pontiac Grand Prix with 7.5" Ring Gear / with 7.625" Ring Gear 1979, Differential Crush Sleeve by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.78
    • (0 reviews)
      # mpn2377088
      Pontiac Grand Prix with 7.5" Ring Gear without Limited Slip Differential Axle 1979, Rear Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt effectively...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.72
    • (0 reviews)
      # mpn1074426
      Pontiac Grand Prix with 7.5" Ring Gear with GM Series Axle 1979, Rear Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.38
    • (0 reviews)
      # mpn1074425
      Pontiac Grand Prix with 7.5" Ring Gear with GMC Transmission 1979, 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)
      # 531096973
      Pontiac Grand Prix with 7.5" Ring Gear with GM Series Axle 1979, Rear Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.22 - $15.75
    • (0 reviews)
      # 531149331
      Pontiac Grand Prix with 7.5" Ring Gear with GM Series Axle 1979, 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....
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $3.64 - $7.50
    • (0 reviews)
      # mpn1290815
      Pontiac Grand Prix with 7.5" Ring Gear with GMC Transmission 1979, 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...
      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
      $18.48
    • (0 reviews)
      # mpn1307918
      Pontiac Grand Prix with 7.5" Ring Gear with GM Series Axle 1979, 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...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $9.63
    • (0 reviews)
      # mpn358588599
      Pontiac Grand Prix with 7.5" Ring Gear with General Motors Series Axle 1979, 0.620" 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
      $3.89
    • (0 reviews)
      # 202161288
      Pontiac Grand Prix with General Motors Series Axle 1979, Differential Bearing Kit by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $52.40 - $53.90
    • (0 reviews)
      # 202161372
      Pontiac Grand Prix with General Motors Series Axle 1979, Differential Bearing Spacer by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $12.27 - $12.88
    • (0 reviews)
      # 202161323
      Pontiac Grand Prix with General Motors Series Axle 1979, Differential Carrier Bearing Set by Ratech®.
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $23.76 - $26.56
    • (0 reviews)
      # mpn358588466
      Pontiac Grand Prix with 7.5" Ring Gear with General Motors Series Axle 1979, Differential Pinion Nut 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
      $2.45
    • (0 reviews)
      # mpn358588647
      Pontiac Grand Prix with 8.5" Ring Gear with General Motors Series Axle 1979, 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
      $4.24
    • (0 reviews)
      # mpn358588440
      Pontiac Grand Prix with 8.5" Ring Gear with General Motors Series Axle 1979, 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)
      # mpn358588439
      Pontiac Grand Prix with 7.5" Ring Gear with General Motors Series Axle 1979, Pinion Shim 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
      $8.84
    • (0 reviews)
      # mpn358588458
      Pontiac Grand Prix with 7.5" Ring Gear / with 8.5" Ring Gear with General Motors Series Axle 1979, Ring Gear Bolt Set 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
      $16.64
    • (0 reviews)
      # 202161366
      Pontiac Grand Prix with General Motors Series Axle 1979, Smart Sleeve Crush Sleeve by Ratech®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.80
    • (0 reviews)
      # mpn4554792024
      Pontiac Grand Prix with GM 7.5" Series Axle / with GM 7.625" Series Axle with TrueTrac Differential 1979, 12 Point Ring Gear Bolt Kit by ARP®. The tremendous shock loads generated at launch by most any drag racing vehicle equipped with...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $65.36
    • (0 reviews)
      # mpn4515293275
      Pontiac Grand Prix with GM 7.5" Series Axle with 10 Bolt 1979, Differential Cross Pin by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and will perform...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.99
    • (0 reviews)
      # mpn4515290619
      Pontiac Grand Prix with GM 7.5" Series Axle / with GM 8.5" Series Axle 1979, Differential Pinion Nut by AllStar Performance®. Designed utilizing the latest technology, this product by AllStar Performance features premium quality and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99
    • (0 reviews)
      # 990452483
      Pontiac Grand Prix 1979, 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)
      # mpn4515290647
      Pontiac Grand Prix with GM 7.5" Series Axle 1979, 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)
      # mpn4515294792
      Pontiac Grand Prix with GM 7.5" Series Axle 1979, 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)
      # 990460227
      Pontiac Grand Prix with GM 7.5" Series Axle with 10 Bolt 1979, 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...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $149.99
    • (0 reviews)
      # mpn4515294757
      Pontiac Grand Prix with GM 7.5" Series Axle with 10 Bolt 1979, 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)
      # mpn4515294760
      Pontiac Grand Prix with GM 7.5" Series Axle with 10 Bolt 1979, 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...
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $43.99
    • (0 reviews)
      # mpn4561984265
      Pontiac Grand Prix with GM 7.5" Series Axle 1979, Differential Pinion Seal by Alloy USA®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.95
    • (0 reviews)
      # mpn4517168131
      Pontiac Grand Prix H / Y Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1979, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. The ECTED Max...
      Expertly crafted from superior materialsProvides exceptional reliability
      $776.82
    • (0 reviews)
      # 1029129588
      Pontiac Grand Prix H / Y Engine VIN Character with 10 Bolt 1979, HP™ Rear Limited Slip Differential by Auburn Gear®. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with...
      Expertly crafted from superior materialsProvides exceptional reliability
      $436.80
    • (0 reviews)
      # 1029307579
      Pontiac Grand Prix H / Y Engine VIN Character with 10 Bolt 1979, 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...
      Expertly crafted from superior materialsProvides exceptional reliability
      $502.94 - $549.12
    • (0 reviews)
      # 503675315
      Pontiac Grand Prix H / Y Engine VIN Character with 10 Bolt 1979, Rear Differential Spring Retainer Service Kit by Auburn Gear®. 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
      $110.82 - $113.82
    • (0 reviews)
      # mpn4517168044
      Pontiac Grand Prix H / Y Engine VIN Character with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1979, Rear Differential Wiring Harness Kit by Auburn Gear®. With Switch. Dominate the track or hit the trails...
      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)
      # mpn4517168300
      Pontiac Grand Prix with 3.08 and Down Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1979, Detroit Truetrac™ Rear Differential by Eaton®. The Detroit Truetrac is a helical-gear style performance...
      Helical-style pinion gearsLimited-slip operation
      $475.41
    • (0 reviews)
      # mpn4517169609
      Pontiac Grand Prix with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1979, Posi™ Rear Differential by Eaton®. The Eaton Posi limited-slip differential prevents wheel slip before it can...
      Superior rebuildable designRace-bred carbon friction discs
      $504.99
    • (0 reviews)
      # mpn4517168181
      Pontiac Grand Prix with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1979, 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
      $79.07
    • (0 reviews)
      # 1028944926
      Pontiac Grand Prix 1979, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $17.65 - $21.78
    • (0 reviews)
      # mpn4517169338
      Pontiac Grand Prix with Aftermarket Gear Set with 7.5" Series Axle with 10 Bolt 1979, Differential Crush Sleeve by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.49
    • (0 reviews)
      # mpn4517166105
      Pontiac Grand Prix with 7.5" Series Axle 1979, 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 company...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $46.37
    • (0 reviews)
      # mpn4517167740
      Pontiac Grand Prix 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $3.83
    • (0 reviews)
      # mpn4517167924
      Pontiac Grand Prix with 7.5" Series Axle with 10 Bolt 1979, Differential Pinion Seal 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $3.00
    • (0 reviews)
      # mpn4517166414
      Pontiac Grand Prix with 7.2" Series Axle / with 7.5" Series Axle / with 7.25" Series Axle / with 7.75" Series Axle / with 7.625" Series Axle / with 8.2" Series Axle / with 8.5" Series Axle / with 8.875" Series Axle / with Dana 44 Series...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $11.28
    • (0 reviews)
      # mpn4517167735
      Pontiac Grand Prix with Chrysler 9.25" Series Axle / with GM 7.5" Series Axle / with GM 7.75" Series Axle / with GM 7.625" Series Axle / with GM 8" Series Axle / with GM 8.2" Series Axle / with GM 8.5" Series Axle / with GM 8.625" Series...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.52
    • (0 reviews)
      # mpn4517165968
      Pontiac Grand Prix with 7.5" Series Axle with 10 Bolt 1979, Differential Ring Gear Spacer by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance 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
      $43.76
    • (0 reviews)
      # 503547326
      Pontiac Grand Prix with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1979, Rear A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE....
      Quiet operationComputer controlled heat treatment
      $147.63




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