2012 GMC Sierra Differentials & Components

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    • (0 reviews)
      # 531107156
      GMC Sierra 2012, 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 ensures...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $147.21 - $374.95
    • (0 reviews)
      # mpn2658008498
      GMC Sierra 1500 4WD / AWD 2012, Front Passenger Side Mount Bracket by Dorman®. Differential Mounts holds the front differential to the suspension. All Dorman’s Differential Mounts include all the hardware needed for a complete repair....
      Direct replacement for a proper fitManufactured from high-quality materials for durability
      $53.62
    • (0 reviews)
      # 531185916
      GMC Sierra 2012, Rear Differential Pinion Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings, and all feature premium...
      Designed to effectively reduce frictionUltimate load handling capability
      $10.99 - $31.95
    • (0 reviews)
      # 531166436
      GMC Sierra 2012, Rear 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 right choice if you opt for a highly durable...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $5.68 - $13.91
    • (0 reviews)
      # 531085282
      GMC Sierra 2012, 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 liquids, ensuring...
      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
      $15.12 - $15.25
    • (0 reviews)
      # mpn2020907
      GMC Sierra 1500 with 9.5" Ring Gear 2012, Rear Optional Differential Pinion Repair Sleeve by Timken®. Repair sleeves restore the sealing surface on yokes and shafts, avoiding expensive components replacement. This hard, wear-resistant,...
      Restores the sealing surface on worn shafts and yokesEliminates the need to replace expensive components that are otherwise serviceable
      $19.97
    • (0 reviews)
      # mpn2040402
      GMC Sierra 2500 HD with 11.5" Ring Gear 2012, Rear Outer Differential Bearing by Timken®. Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller bearings,...
      Designed to effectively reduce frictionUltimate load handling capability
      $10.42
    • (0 reviews)
      # mpn2092021
      GMC Sierra 2500 HD with 11.5" Ring Gear 2012, Rear Outer 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...
      OE quality fit, performance, and reliabilityCost-effective friction management solution
      $5.49
    • (0 reviews)
      # mpn2377089
      GMC Sierra 1500 with 8.5-8.75" Ring Gear 2012, 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 pressure when the...
      Direct replacement for a proper fit every timeDesigned specifically for rear-wheel drive vehicles
      $3.01
    • (0 reviews)
      # mpn2376844454
      GMC Sierra 1500 4WD / AWD 2012, Differential Mount Bushings Kit - Front Axle by Dorman®. Location: Front Axle. Prevent damage to the differential housing with Dorman's Differential Mount Bushing. Constructed of durable materials,...
      Replacement repairs knocking or clunking noise coming from vehicle differentialDirect replacement for a proper fit every time
      $25.64
    • (0 reviews)
      # mpn2377088
      GMC Sierra 1500 with 8.5" Ring Gear / with 8.625" Ring Gear without Hybrid Series Axle 2012, 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
      $1.73
    • (0 reviews)
      # mpn4525249212
      GMC Sierra 2012, Round Differential Seal by Dorman®. Dorman’s seals features long-lasting durability and convenience. It provides a tight, lasting seal to prevent contaminants from entering the hub and keep grease from leaking out....
      Direct replacement for a proper fitOil-resistant
      $13.24
    • (0 reviews)
      # 531137693
      GMC Sierra 2012, GM Original Equipment™ 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 the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $29.87 - $65.39
    • (0 reviews)
      # 1086482317
      GMC Sierra 2012, GM Original Equipment™ 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 the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $110.11
    • (0 reviews)
      # mpn864657673
      GMC Sierra 1500 / 2500 HD 2012, GM Original Equipment™ Differential Magnet 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
      $5.21
    • (0 reviews)
      # 531113585
      GMC Sierra 2012, GM Original Equipment™ Differential Pinion 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 the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $36.37 - $102.60
    • (0 reviews)
      # 523348262
      GMC Sierra 2012, GM Original Equipment™ Differential Pinion Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $7.14 - $14.53
    • (0 reviews)
      # 1086487376
      GMC Sierra 2012, GM Original Equipment™ Differential Pinion Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $12.72 - $17.90
    • (0 reviews)
      # mpn898139088
      GMC Sierra 1500 4WD with Code 1515 2012, GM Original Equipment™ Front Inner Axle Differential Bearing by ACDelco®. Don’t be “indifferent” toward your differential. It plays a vital role in moving your vehicle and ensuring a...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $20.21
    • (0 reviews)
      # mpn898009028
      GMC Sierra 2500 HD Regular Cab / Extended Cab / Crew Cab / Chassis Cab 6.0L with 10.50" Ring Gear with 3.73 Ratio / with 4.10 Ratio with Saginaw Series Axle with Single Rear Wheels with 4 Wheel Disc Brakes 2012, GM Original Equipment™...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $37.31
    • (0 reviews)
      # 1086483441
      GMC Sierra 1500 2012, Professional™ Front Differential Bearing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $50.85 - $60.80
    • (0 reviews)
      # 531075681
      GMC Sierra with AAM Series Axle 2012, Axle Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $8.46 - $29.22
    • (0 reviews)
      # 531088962
      GMC Sierra with AAM Series Axle 2012, 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 optimally. It is built to the original...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $4.28 - $8.04
    • (0 reviews)
      # 531048385
      GMC Sierra with AAM Series Axle 2012, Differential Pinion Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $9.39 - $35.45
    • (0 reviews)
      # 531093916
      GMC Sierra with AAM Series Axle 2012, Differential Pinion Race by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built to the original...
      Premium bearing design matches OEM specificationsPrecision manufactured using premium-grade steel for outstanding durability and performance
      $5.16 - $17.52
    • (0 reviews)
      # 531053846
      GMC Sierra with AAM Series Axle 2012, 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 and with customers in mind,...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $6.56 - $16.84
    • (0 reviews)
      # mpn1848365809
      GMC Sierra 2500 HD with 10.5" Ring Gear with AAM Series Axle 2012, Rear Differential Pinion Pilot 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
      $18.84
    • (0 reviews)
      # mpn4551317844
      GMC Sierra 1500 with MP1222 Transfer Case / with MP3023 Transfer Case 2012, Differential Bearing by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised....
      Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability
      $41.92
    • (0 reviews)
      # 1471823608
      GMC Sierra 2012, Differential Rebuild Kit by SKF®. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Excellent replacement for your worn out or faulty partDesigned to restore original performance and reliability
      $97.59 - $196.09
    • (0 reviews)
      # 503566159
      GMC Sierra 2500 HD / 3500 HD with Thick Type High Offset Gearset with 4.10 and Down Gear Ratio with GM 10.5" Series Axle with Full-Float Axle 2012, Air Locker by ARB®. Created to provide 100% traction on demand, without sacrificing any...
      Differential CaseFlange Cap Assembly
      $997.50
    • (0 reviews)
      # 1190633243
      GMC Sierra 1500 2012, 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 or the acceleration and deceleration of oval track...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $45.60 - $69.97
    • (0 reviews)
      # mpn4515290619
      GMC Sierra 1500 with GM 8.5" Series Axle 2012, Differential Pinion Nut 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
      $4.99
    • (0 reviews)
      # mpn4515293191
      GMC Sierra 1500 with GM 8.5" Series Axle 2012, Differential Pinion Seal 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
      $6.99
    • (0 reviews)
      # 1190633251
      GMC Sierra 2012, 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 perform the...
      Expertly crafted from superior materialsProvides exceptional reliability
      $441.00 - $529.20
    • (0 reviews)
      # 1190633255
      GMC Sierra 2012, 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 differential...
      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
      $111.89 - $114.91
    • (0 reviews)
      # 503623009
      GMC Sierra 2012, Differential Installation Kit by G2 Axle & Gear®. For low mileage vehicles, G2 offers installation kits that have all the same components as the master kits, sans the bearings. This is an economically priced kit that...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $45.99 - $73.99
    • (0 reviews)
      # 1190633260
      GMC Sierra 2012, Differential Master Installation Kit by G2 Axle & Gear®. G2’s master installation kits come complete with everything you need to properly set up your ring and pinion gear set. Designed utilizing the latest technology,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $101.99 - $241.99
    • (1 review)
      # 1029321551
      GMC Sierra 2012, OE Style™ Ring and Pinion Gear Set by G2 Axle & Gear®. G2 offers a line of OE gears that are an exact match to the factory gears found at dealerships. These gears are a great option for installers who work with...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $319.99 - $524.99
    • (0 reviews)
      # 1190633247
      GMC Sierra 2012, Performance Series™ Ring and Pinion Gear Set by G2 Axle & Gear®. G2’s line of Performance Series ring and pinions are engineered and manufactured to handle the increased loads of today’s performance vehicles. They...
      Forged 8620 SteelPrecision-machined for exact fit
      $224.99 - $359.99
    • (0 reviews)
      # 503557507
      GMC Sierra 1500 with 2.73 and Up Gear Ratio with GM 8.5" Series Axle / with GM 8.625" Series Axle with 10 Bolt 2012, A-Line Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent...
      Quiet operationComputer controlled heat treatment
      $150.37 - $161.04
    • (0 reviews)
      # 1190633270
      GMC Sierra 2012, 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 quality control...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $99.14 - $218.20
    • (0 reviews)
      # 503432984
      GMC Sierra 2012, Differential Carrier 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 quality control...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $76.66 - $355.79
    • (0 reviews)
      # 1190633268
      GMC Sierra 2012, Differential Carrier Gear Kit by Motive Gear®. Dominate the track or hit the trails with confidence by fine tuning your vehicle for neck-breaking speed and performance with this premium differential component that...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $91.69 - $169.24
    • (0 reviews)
      # 1028938099
      GMC Sierra 1500 2012, 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 quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $19.77 - $21.99
    • (0 reviews)
      # 503587382
      GMC Sierra 2012, 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 quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $33.05 - $78.93
    • (0 reviews)
      # 1190633261
      GMC Sierra 2012, 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 rigid quality...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $107.11 - $236.88
    • (0 reviews)
      # 1190633257
      GMC Sierra 2012, 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 these premium differential bearing kit that...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $51.35 - $145.55
    • (0 reviews)
      # 503308471
      GMC Sierra 2012, Differential Pinion Shaft 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 component that delivers...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $19.26 - $32.90
    • (0 reviews)
      # 503559410
      GMC Sierra 2012, Differential Ring Gear Bolt 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 component that...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $2.02 - $8.15
    • (0 reviews)
      # mpn4517166247
      GMC Sierra 1500 with GM 8.5" Series Axle 2012, 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 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
      $46.97
    • (1 review)
      # 742315443
      GMC Sierra 2012, Performance Ring and Pinion Gear Set by Motive Gear®. Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Gear sets are made from first-run steel, we never use recycled metal....
      Central contact patternCNC start to finish
      $236.90 - $367.77
    • (0 reviews)
      # mpn4525152993
      GMC Sierra 2500 HD / 3500 HD with Chrysler 11.5" Series Axle 2012, Rear Differential Crush Sleeve by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities....
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $9.45
    • (0 reviews)
      # 1190540177
      GMC Sierra 2012, 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, superior strength, quality, and...
      Quiet operationComputer controlled heat treatment
      $236.90 - $430.18
    • (0 reviews)
      # mpn4517166046
      GMC Sierra 1500 with 30 Spline with 8.6" Series Axle with 10 Bolt 2012, Spool by Motive Gear®. All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of company...
      Motive Gear uses the highest quality standards of manufacturingFrom machining and finishing to heat treatment company demand the best
      $154.19
    • (0 reviews)
      # 1146087363
      GMC Sierra 1500 with 2.73 and Up Gear Ratio 2012, Differential Locker by OX Off Road®. OX Lockers can instantly lock differentials and allow you to tackle the toughest off-road terrain. The world's best traction aid, OX Lockers keep you...
      Easy clean cabin friendly installation with no setup adjustmentsStandard system uses no electric for a higher level of dependability
      $859.00 - $994.00
    • (0 reviews)
      # mpn4517169981
      GMC Sierra 1500 with GM 8.5" Series Axle 2012, Differential Pinion Shaft by Powertrax®. These hardened cross shafts are specifically designed for use with your Powertrax Lock Right locker. Powertrax Grip-Lok, Lock-Right Lockers and...
      High quality at an affordable priceExpertly made from premium materials
      $26.33
    • (0 reviews)
      # 503470525
      GMC Sierra with Open Differential 2012, 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 turns. When extreme...
      Brute force devices for rugged applicationsReplacement of differential case not required
      $269.81 - $356.74
    • (0 reviews)
      # 503462441
      GMC Sierra with Open Differential 2012, 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 technology. It combines...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $398.03 - $432.69
    • (0 reviews)
      # mpn4517168259
      GMC Sierra 1500 with 28 Spline with 2.73 and Up Gear Ratio with GM 8.5" Series Axle 2012, 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...
      Comes Fully AssembledCarbon Fiber and Steel Friction Plate Technology
      $329.99
    • (0 reviews)
      # 503673516
      GMC Sierra 1500 / 2500 HD 4WD 2012, Front Differential Mount Bushing Kit by Prothane®. Dominate the track or hit the trails with condidence by fine tuning your vehicle for neck-breaking speed and performance with this premium...
      High quality at an affordable priceExpertly made from premium materials
      $73.14




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