1977 Pontiac LeMans Differentials & Components

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    • (0 reviews)
      # 531156272
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear 1977, 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....
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $166.95 - $204.95
    • (0 reviews)
      # 531121860
      Pontiac Grand LeMans / LeMans 1977, Rear Axle Differential Bearing and Seal Kit by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller...
      Designed to effectively reduce frictionUltimate load handling capability
      $62.64 - $107.54
    • (0 reviews)
      # mpn2412739
      Pontiac LeMans with 8.5" Ring Gear 1977, Rear Differential Bearing Kit by Dorman®. Dorman’s Differential Bearing Kit allows you to keep all the necessary components for installation of the Differential Ring and Pinion readily on hand.
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $106.95
    • (0 reviews)
      # mpn739977048
      Pontiac LeMans with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1977, 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)
      # 212834408
      Pontiac LeMans with General Motors Series Axle 1977, 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)
      # 202162206
      Pontiac LeMans with General Motors Series Axle 1977, 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)
      # 212834431
      Pontiac LeMans with 8.5" Ring Gear with General Motors Series Axle 1977, Deluxe 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
      $114.19
    • (0 reviews)
      # 212834477
      Pontiac LeMans with General Motors Series Axle 1977, 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)
      # 531069952
      Pontiac Grand LeMans / LeMans 1977, 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...
      Designed to effectively reduce frictionUltimate load handling capability
      $6.81 - $10.32
    • (0 reviews)
      # mpn2035566
      Pontiac Grand LeMans / LeMans with 8.75" Ring Gear / with 8.88" Ring Gear with M Series Axle / with P Series Axle 1977, Rear Differential Bearing Set by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures...
      Designed to effectively reduce frictionUltimate load handling capability
      $11.71
    • (0 reviews)
      # mpn2054350
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear / with 8.75" Ring Gear 1977, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from...
      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)
      # 531092377
      Pontiac Grand LeMans / LeMans 1977, 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $4.13 - $5.44
    • (0 reviews)
      # mpn2377089
      Pontiac Grand LeMans / LeMans with 8.5-8.75" Ring Gear 1977, Differential Crush Sleeves by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to retain optimal...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.98
    • (0 reviews)
      # mpn2377088
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear / with 8.75" Ring Gear 1977, Rear Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt effectively retains...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.72
    • (0 reviews)
      # mpn2889949607
      Pontiac Grand LeMans / LeMans 1977, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.31
    • (0 reviews)
      # mpn3065960247
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear 1977, Advantage™ Rear Differential Carrier Bearing Race With 1.7812" ID by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.44
    • (0 reviews)
      # 531168975
      Pontiac Grand LeMans / LeMans with GM Series Axle 1977, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.38 - $12.43
    • (0 reviews)
      # mpn1074425
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear with GMC Transmission 1977, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.24
    • (0 reviews)
      # 531143794
      Pontiac Grand LeMans / LeMans with GM Series Axle 1977, 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 controlled heat...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $56.28 - $73.50
    • (0 reviews)
      # 531175843
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear / with 8.875" Ring Gear with GM Series Axle 1977, Rear Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.80 - $10.95
    • (0 reviews)
      # 531130787
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear / with 8.875" Ring Gear with GM Series Axle 1977, Rear Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.78 - $5.79
    • (0 reviews)
      # mpn1179154
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear / with 8.875" Ring Gear with GMC Transmission 1977, Rear Outer Differential Pinion Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the...
      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
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear / with 8.875" Ring Gear with GM Series Axle 1977, Rear Outer Differential Pinion Seal by National®. This product is made of high-quality materials to serve you for years to come....
      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)
      # mpn358588599
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with General Motors Series Axle 1977, 0.620" 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
      $3.89
    • (0 reviews)
      # 202162227
      Pontiac LeMans with General Motors Series Axle 1977, 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 for...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $52.40 - $53.90
    • (0 reviews)
      # 212834542
      Pontiac LeMans with General Motors Series Axle 1977, 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 deal...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $12.27 - $12.88
    • (0 reviews)
      # 212834458
      Pontiac LeMans with General Motors Series Axle 1977, 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 LeMans / LeMans with 7.5" Ring Gear with General Motors Series Axle 1977, Differential Pinion Nut 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
      $2.45
    • (0 reviews)
      # 212834486
      Pontiac LeMans with 8.5" Ring Gear with General Motors Series Axle 1977, 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)
      # 212834499
      Pontiac LeMans with 8.5" Ring Gear with General Motors Series Axle 1977, 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 LeMans / LeMans with 7.5" Ring Gear with General Motors Series Axle 1977, Pinion 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
      $9.70
    • (0 reviews)
      # 212834521
      Pontiac LeMans with General Motors Series Axle 1977, 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 perfect deal for your...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $16.64
    • (0 reviews)
      # 212834529
      Pontiac LeMans with General Motors Series Axle 1977, 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 deal...
      OEM design and manufacturing ensure top qualityCrafted from prime materials for long-term service
      $9.80
    • (0 reviews)
      # mpn4554792024
      Pontiac LeMans with GM 8.5" Series Axle with TrueTrac Differential 1977, 12 Point Ring Gear Bolt Kit by ARP®. The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today’s sticky tire compounds...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $65.36
    • (0 reviews)
      # 990459170
      Pontiac LeMans 1977, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.99
    • (0 reviews)
      # 990391617
      Pontiac LeMans 1977, Differential Pinion Nut 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
      $4.99
    • (0 reviews)
      # 990425650
      Pontiac LeMans 1977, 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 LeMans / LeMans with GM 7.5" Series Axle 1977, 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)
      # mpn4515294792
      Pontiac Grand LeMans / LeMans with GM 7.5" Series Axle 1977, Ring Gear Spacer 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
      $52.99
    • (0 reviews)
      # 990420512
      Pontiac LeMans with GM 8.5" Series Axle with 10 Bolt 1977, 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)
      # 1016990971
      Pontiac LeMans 1977, 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....
      Precise manufacturing and high-grade materialsExceptional performance at a competitive price
      $97.99 - $99.99
    • (0 reviews)
      # 1066645505
      Pontiac LeMans with GM 8.5" Series Axle with 10 Bolt 1977, 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)
      # mpn4561985147
      Pontiac LeMans with 7/16" ring Gear Bolts with Large Journal with GM 8.5" Series Axle 1977, Differential Bearing by Alloy USA®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $71.65
    • (0 reviews)
      # mpn4561984334
      Pontiac LeMans with GM BOP Series Axle 1977, 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 differential...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.47
    • (0 reviews)
      # mpn4561984219
      Pontiac Grand LeMans / LeMans with GM 8.5" Series Axle 1977, 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...
      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)
      # 1346919884
      Pontiac LeMans 1977, 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
      $265.23 - $396.84
    • (0 reviews)
      # mpn4561984899
      Pontiac LeMans with GM 8.5" Series Axle / with GM 8.6" Series Axle with 10 Bolt 1977, Spider Gear Set by Alloy USA®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $180.04
    • (0 reviews)
      # 1029010654
      Pontiac LeMans with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1977, ECTED Max™ Rear Limited Slip Differential by Auburn Gear®. With Selectable Full Locker. The ECTED Max is a selectable traction...
      Expertly crafted from superior materialsProvides exceptional reliability
      $776.82
    • (0 reviews)
      # 1029148684
      Pontiac LeMans with 10 Bolt 1977, 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...
      Expertly crafted from superior materialsProvides exceptional reliability
      $436.80
    • (0 reviews)
      # 1029284506
      Pontiac LeMans with 10 Bolt 1977, 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...
      Expertly crafted from superior materialsProvides exceptional reliability
      $502.94 - $549.12
    • (0 reviews)
      # 503453085
      Pontiac LeMans with 10 Bolt 1977, 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 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
      $110.82 - $113.82
    • (0 reviews)
      # 503593322
      Pontiac LeMans with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1977, Rear Differential Wiring Harness Kit by Auburn Gear®. With Switch. Dominate the track or hit the trails with condidence by fine tuning...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $85.36
    • (0 reviews)
      # 1029011602
      Pontiac LeMans with 10 Bolt 1977, 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,...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $759.51 - $828.54
    • (0 reviews)
      # 1029017586
      Pontiac LeMans with 10 Bolt 1977, 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)
      # 1029286623
      Pontiac LeMans with 10 Bolt 1977, 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,...
      Superior rebuildable designRace-bred carbon friction discs
      $499.99 - $504.99
    • (0 reviews)
      # 503493483
      Pontiac Grand LeMans / LeMans with 10 Bolt 1977, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy...
      Quiet operationComputer controlled heat treatment
      $260.40 - $281.32
    • (0 reviews)
      # 503621320
      Pontiac LeMans with 10 Bolt 1977, Differential Bearing Kit by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $116.07 - $166.40
    • (0 reviews)
      # 503403039
      Pontiac LeMans with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1977, Differential Carrier by Motive Gear®. Without Internal Kit. All Motive Gear products are engineered for their specific application and manufactured...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $141.20
    • (0 reviews)
      # 503291992
      Pontiac LeMans with Models Built in Canada / with Models Built in United States 1977, Differential Carrier Gear Kit by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $163.46 - $191.15
    • (0 reviews)
      # 1028944980
      Pontiac Grand LeMans / LeMans 1977, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $31.21 - $31.53




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