1981 Pontiac LeMans Differentials & Components

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    • (0 reviews)
      # 531156272
      Pontiac Grand LeMans / LeMans with 8.5" Ring Gear 1981, 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)
      # 531192676
      Pontiac Grand LeMans / LeMans 1981, 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)
      # mpn739977048
      Pontiac LeMans with 8.5" Ring Gear with General Motors Series Axle with 28 Spline 1981, 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)
      # 202162250
      Pontiac LeMans with General Motors Series Axle 1981, 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)
      # 202162262
      Pontiac LeMans with General Motors Series Axle 1981, 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)
      # mpn358588584
      Pontiac LeMans with 8.5" Ring Gear with General Motors Series Axle 1981, Deluxe Series Differential Kit With Pinion 10-Bolt 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
      $112.14
    • (0 reviews)
      # 202162312
      Pontiac LeMans with General Motors Series Axle 1981, 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 1981, 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
      $7.11 - $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 1981, 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)
      # 531085994
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear 1981, Rear Differential Pinion Bearing 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
      $7.43 - $13.84
    • (0 reviews)
      # 531191740
      Pontiac Grand LeMans / LeMans 1981, Rear Differential Pinion Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and...
      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
      $5.03 - $8.76
    • (0 reviews)
      # 531108953
      Pontiac Grand LeMans / LeMans 1981, 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 - $7.65
    • (0 reviews)
      # mpn2006957
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear 1981, Rear Outer Differential Pinion Race by Timken®. Precision manufactured using premium materials and made by the company that is trusted by many carmakers, the Timken race is the...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $3.74
    • (0 reviews)
      # mpn2377090
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear / with 7.625" Ring Gear 1981, Differential Crush Sleeve by Dorman®. A necessary item to replace when servicing the differential, Dorman’s Differential Crush Sleeve is durably built to...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $2.86
    • (0 reviews)
      # mpn2377088
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear without Limited Slip Differential Axle 1981, Rear Differential Pinion Shaft Lock Bolt by Dorman®. Engineered from high-quality metal, Dorman’s Differential Pinion Shaft Lock Bolt...
      Replacement restores drivabilityDirect replacement for a proper fit
      $1.74
    • (0 reviews)
      # mpn2889949607
      Pontiac Grand LeMans / LeMans 1981, 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)
      # 531145148
      Pontiac LeMans 1981, Advantage™ Rear Differential Carrier Bearing Race by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a smooth ride. Designed utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.29
    • (0 reviews)
      # mpn1074426
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with GM Series Axle 1981, Rear Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.78
    • (0 reviews)
      # mpn1074425
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with GMC Transmission 1981, 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)
      # mpn4544813741
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with GM Series Axle 1981, Rear Axle Master Differential Bearing and Seal Kit by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art...
      Spindle bearing and seal kitIncludes all components required to complete the repair
      $85.97
    • (0 reviews)
      # 531163144
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with GM Series Axle 1981, Rear Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $7.08 - $15.08
    • (0 reviews)
      # 531073380
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with GM Series Axle 1981, 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...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $3.57 - $8.34
    • (0 reviews)
      # mpn1290815
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with GMC Transmission 1981, 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...
      National Redi-Sleeves are precision stainless steel wear sleeves designed to quickly repair damaged, grooved or worn shaftsStrong, durable stainless steel construction provides a corrosion-free sealing surface that surpasses most original shaft specifications
      $19.40
    • (0 reviews)
      # mpn1307918
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with GM Series Axle 1981, 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...
      National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip
      $9.45
    • (0 reviews)
      # mpn358588599
      Pontiac Grand LeMans / LeMans with 7.5" Ring Gear with General Motors Series Axle 1981, 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)
      # 202162278
      Pontiac LeMans with General Motors Series Axle 1981, 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 - $55.04
    • (0 reviews)
      # 202162354
      Pontiac LeMans with General Motors Series Axle 1981, 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)
      # 202162295
      Pontiac LeMans with General Motors Series Axle 1981, 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)
      # 202162268
      Pontiac LeMans with General Motors Series Axle 1981, 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 1981, 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)
      # mpn358588647
      Pontiac LeMans with 8.5" Ring Gear with General Motors Series Axle 1981, 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)
      # mpn358588440
      Pontiac LeMans with 8.5" Ring Gear with General Motors Series Axle 1981, 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 1981, 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)
      # 202162338
      Pontiac LeMans with General Motors Series Axle 1981, 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)
      # 202162343
      Pontiac LeMans with General Motors Series Axle 1981, 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)
      # mpn4517168181
      Pontiac LeMans with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1981, 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
    • (0 reviews)
      # 503431365
      Pontiac Grand LeMans with GM 7.5" Series Axle with 10 Bolt 1981, Rear Performance Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle....
      Central contact patternCNC start to finish
      $221.11 - $259.17
    • (0 reviews)
      # mpn4517172536
      Pontiac Grand LeMans / LeMans with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt 1981, 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)
      # 126517532
      Pontiac Grand LeMans / LeMans with GM 7.5" Series Axle with 10 Bolt 1981, Rear Ring and Pinion Gear Set by Motive Gear®. Location: Rear. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced...
      Quiet operationComputer controlled heat treatment
      $210.05 - $241.63
    • (0 reviews)
      # 1029248560
      Pontiac LeMans with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1981, 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
      $774.70
    • (0 reviews)
      # 1029320581
      Pontiac Grand LeMans / LeMans A / S / W Engine VIN Character with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1981, Detroit Truetrac™ Rear Differential by Eaton®. Location: Rear. The Detroit Truetrac is a...
      Helical-style pinion gearsLimited-slip operation
      $462.64 - $464.68
    • (0 reviews)
      # 1029111528
      Pontiac LeMans with 3.23 and Up Gear Ratio with GM 7.5" Series Axle with 10 Bolt with 1.16" Axle Shaft Diameter 1981, Posi™ Rear Differential by Eaton®. Location: Rear. The Eaton Posi limited-slip differential prevents wheel slip...
      Superior rebuildable designRace-bred carbon friction discs
      $487.18
    • (0 reviews)
      # 1029082489
      Pontiac LeMans with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle with 10 Bolt 1981, 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)
      # 1029172492
      Pontiac LeMans with 10 Bolt 1981, 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)
      # 1029357620
      Pontiac LeMans with 10 Bolt 1981, 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)
      # 503672011
      Pontiac Grand LeMans / LeMans with Open Differential 1981, 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
      $405.19 - $406.60
    • (0 reviews)
      # 503598157
      Pontiac Grand LeMans / LeMans with Open Differential with 10 Bolt 1981, 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
      $418.28
    • (0 reviews)
      # mpn4517168514
      Pontiac Grand LeMans / LeMans with 28 Spline with 3.23 and Up Gear Ratio with GM 7.625" Series Axle 1981, Open Grip LS Traction System by Powertrax®. The Powertrax Grip LS, is a clutch-type differential in a forged steel case. This...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $457.67
    • (0 reviews)
      # 197709174
      Pontiac LeMans with GM 7.5" Series Axle with 10 Bolt 1981, Rear Street Gear Ring and Pinion Gear Set by Richmond®. Location: Rear. Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $232.75 - $279.10
    • (0 reviews)
      # mpn4517166105
      Pontiac Grand LeMans / LeMans with 7.5" Series Axle 1981, 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...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $45.48
    • (0 reviews)
      # 503353517
      Pontiac Grand LeMans / LeMans with GM 7.5" Series Axle with 10 Bolt 1981, Rear Differential Bearing Kit by Motive Gear®. Location: Rear. All Motive Gear products are engineered for their specific application and manufactured in state of...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $75.43 - $79.18
    • (0 reviews)
      # mpn4517166233
      Pontiac LeMans with 26 Spline with GM 7.5" Series Axle with 10 Bolt 1981, Rear Differential Carrier Gear Kit by Motive Gear®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $108.20
    • (0 reviews)
      # 503604593
      Pontiac Grand LeMans / LeMans with GM 7.5" Series Axle with 10 Bolt 1981, Rear Differential Master Bearing Kit by Motive Gear®. Location: Rear. 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
      $90.49 - $100.58
    • (0 reviews)
      # 503353362
      Pontiac Grand LeMans / LeMans with GM 7.5" Series Axle with 10 Bolt 1981, Rear Differential Super Bearing Kit by Motive Gear®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your vehicle for...
      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)
      # mpn4517166029
      Pontiac Grand LeMans / LeMans with 26 Spline with Open Differential with 7.5" Series Axle with 10 Bolt 1981, Rear Mini Spool by Motive Gear®. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $80.99
    • (0 reviews)
      # mpn4517170028
      Pontiac LeMans with GM 8.75" Series Axle 1981, Rear Differential Bearing Installation Kit by Yukon Gear & Axle®. With Timken Bearings and Races. Location: Rear. Dominate the track or hit the trails with confidence by fine tuning your...
      Enables you to keep your engine in the powerband for more giddy-up and high speedAllows for getting superior traction on just about any brutal terrain
      $145.87
    • (0 reviews)
      # mpn4517166773
      Pontiac LeMans with GM 8.75" Series Axle 1981, Rear Differential Master Overhaul Kit by Yukon Gear & Axle®. Location: Rear. Yukon Master Overhaul kits give you all the high quality parts you need to start and finish every differential...
      Most complete kits on the marketComplete overhaul package to rebuild differential
      $244.17
    • (0 reviews)
      # mpn4517166583
      Pontiac Grand LeMans / LeMans with GM 7.5 Series Axle / with GM 7.625" Series Axle 1981, Differential Mega Bearing Kit by Richmond®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking...
      Outstanding design and state of the art manufacturing techniquesExtensive testing ensures uncompromising reliability
      $157.24
    • (0 reviews)
      # mpn4517167735
      Pontiac Grand LeMans 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"...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.47
    • (0 reviews)
      # mpn4517168017
      Pontiac LeMans with GM 8.75" Series Axle 1981, Rear Differential Bearing Race Punch by Yukon Gear & Axle®. Location: Rear. 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
      $59.80




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