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 - $198.95
    • (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
      $63.91 - $106.01
    • (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
      $104.95
    • (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
      $15.40 - $15.44
    • (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
      $78.34 - $79.71
    • (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
      $112.14
    • (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
      $36.55 - $39.82
    • (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
      $6.89 - $10.54
    • (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
      $11.93
    • (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
      $4.92
    • (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
      $4.21 - $5.01
    • (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
      $3.26
    • (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
      $1.74
    • (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
      $8.15
    • (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
      $7.29
    • (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
      $7.78 - $11.44
    • (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
      $4.16
    • (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
      $67.48 - $88.29
    • (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
      $8.07 - $10.74
    • (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
      $4.34 - $5.68
    • (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
      $20.11
    • (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
      $5.30
    • (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
      $3.83
    • (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
      $51.45 - $54.66
    • (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
      $12.62
    • (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
      $23.34 - $26.08
    • (0 reviews)
      # 202162217
      Pontiac LeMans with General Motors Series Axle 1977, 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
      $11.89 - $19.11
    • (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
      $2.62
    • (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
      $4.59
    • (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
      $23.83
    • (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
      $9.53
    • (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
      $14.72
    • (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
      $9.62
    • (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
      $144.79 - $156.44
    • (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
      $77.55
    • (1 review)
      # 126868925
      Pontiac Grand LeMans / LeMans with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 1977, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are...
      Central contact patternCNC start to finish
      $210.38 - $265.28
    • (0 reviews)
      # mpn4517172536
      Pontiac Grand LeMans / LeMans with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1977, Rear Pro Gear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Pro Gear ring and pinions are perfect for...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $448.50
    • (0 reviews)
      # 503582011
      Pontiac Grand LeMans / LeMans with 10 Bolt 1977, 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 setup,...
      Quiet operationComputer controlled heat treatment
      $199.86 - $251.95
    • (0 reviews)
      # 503531016
      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
      $260.13 - $389.21
    • (0 reviews)
      # 1029011602
      Pontiac LeMans with 10 Bolt 1977, Detroit Locker™ Rear Differential by Eaton®. Location: Rear. The Detroit Locker is a 100%-automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its...
      100% automatic locking - no driver action neededProvides maximum amount of traction to both wheel ends
      $762.26 - $774.70
    • (0 reviews)
      # 1029017586
      Pontiac LeMans with 10 Bolt 1977, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling...
      Helical-style pinion gearsLimited-slip operation
      $462.64 - $496.63
    • (0 reviews)
      # 1029286623
      Pontiac LeMans with 10 Bolt 1977, Posi™ Rear Differential by Eaton®. Location: Rear. 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...
      Superior rebuildable designRace-bred carbon friction discs
      $478.79 - $487.18
    • (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. Location: Rear. The ECTED Max is a...
      Expertly crafted from superior materialsProvides exceptional reliability
      $740.21
    • (0 reviews)
      # 1029148684
      Pontiac LeMans with 10 Bolt 1977, HP™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. High Performance. Auburn Gear’s flagship limited-slip differential gives you smooth torque-sensing operation with the correct bias...
      Expertly crafted from superior materialsProvides exceptional reliability
      $416.16
    • (0 reviews)
      # 1029284506
      Pontiac LeMans with 10 Bolt 1977, Pro™ Rear Limited Slip Differential by Auburn Gear®. Location: Rear. Turns your torque up another notch, offering an even higher bias ratio and faster sensing reaction than HP for the very best in...
      Expertly crafted from superior materialsProvides exceptional reliability
      $474.91 - $518.98
    • (0 reviews)
      # 503392184
      Pontiac Grand LeMans / LeMans with Open Differential 1977, Lock Right Locker by Powertrax®. Powertrax Lock-Right performance lockers’ straight-line performance is equal to a solid spool axle, yet they automatically unlock during...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $336.26 - $406.60
    • (0 reviews)
      # 503375262
      Pontiac Grand LeMans / LeMans with Open Differential 1977, 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 differential...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $418.28 - $443.21
    • (0 reviews)
      # 503677264
      Pontiac Grand LeMans / LeMans with 28 Spline 1977, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This differential uses a set of carbon clutch discs to provide...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $443.35 - $457.67
    • (0 reviews)
      # 197708894
      Pontiac Grand LeMans / LeMans with 10 Bolt 1977, Street Gear Ring and Pinion Gear Set by Richmond®. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $221.45 - $279.10
    • (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
      $72.92 - $103.58
    • (0 reviews)
      # 503291992
      Pontiac LeMans with Models Built inCanada / with Models Built inUnited 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 speed...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $89.77 - $104.99
    • (0 reviews)
      # 503439449
      Pontiac LeMans 1977, 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 products undergo rigid...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $45.48 - $59.93
    • (0 reviews)
      # 503561424
      Pontiac LeMans with 10 Bolt 1977, 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 of company products undergo...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $90.49 - $108.26
    • (0 reviews)
      # 503572400
      Pontiac LeMans with GM 8.5" Series Axle with 10 Bolt 1977, 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 with...
      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)
      # 503687352
      Pontiac LeMans with 10 Bolt 1977, 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 this premium differential...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $113.17 - $125.76
    • (0 reviews)
      # 503542301
      Pontiac LeMans with Models Built inCanada / with Models Built inUnited States with 28 Spline with Open Differential with GM 8.5" Series Axle with 10 Bolt 1977, Mini Spool by Motive Gear®. Dominate the track or hit the trails with...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $81.49
    • (0 reviews)
      # 503474386
      Pontiac LeMans with Models Built inCanada / with Models Built inUnited States with 8.5" Series Axle with 10 Bolt 1977, Spool by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $148.35 - $149.79
    • (0 reviews)
      # mpn4517168046
      Pontiac LeMans with GM 8.5" Series Axle 1977, Rear Differential Master Overhaul Kit by Spicer®. Location: Rear. Genuine Spicer overhaul kit include all the latest production upgrades, so the parts you’re installing are as good or...
      Save Money: Buying components separately can be costly and cumbersomeSave Downtime: Be ready to perform a repair or overhaul as you need it
      $171.26
    • (0 reviews)
      # mpn4517170293
      Pontiac Grand LeMans / LeMans with GM 8.5" Series Axle 1977, Rear Differential Master Overhaul Kit by Alloy USA®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed...
      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
      $179.48




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