A vehicle is a complex system with a number of parts that always have to function properly. When it comes to distributing engine power between the wheels, a differential may be a concern. It's an essential mechanical device that sends torque to the drive wheels and makes them revolve at different speeds in relation to each other. But for the differential, the rims would rotate at the same speed and hence make cornering difficult.

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    • (0 reviews)
      # sp9614
      Positraction by USA Standard Gear®. 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, this product by USA Standard Gear will last a...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $548.25 - $605.38
    • (3 reviews)
      # sp9615
      Ring & Pinion Gear Set by USA Standard Gear®. USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $166.81 - $370.45
    • (0 reviews)
      # sp9613
      Pinion Installation Kit by USA Standard Gear®. USA Standard ring and pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring and pinion sets for a variety of common and hard...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $63.87 - $266.18
    • (0 reviews)
      # sp9616
      Spider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of gear sets for a variety of common and hard to find applications.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $93.07 - $188.29
    • (0 reviews)
      # sp21094
      Differential Gear and Pinion 3.73 by Crown®. Includes Crush Leaf and Hardware. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $232.27 - $613.08
    • (0 reviews)
      # sp7794
      Differential Differential Case by Omix-Ada®. The case is the heart of your differential, the part to which most other parts attach. The differential case may require changing when you switch to low ratio gears and taller wheels and...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $68.06 - $1,309.26
    • (0 reviews)
      # sp24971
      Differential Pinion Gear by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $464.53
    • (0 reviews)
      # sp9617
      Spool by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
      Provides 100% traction to both wheels at all timesNot recommended for street driven vehicles
      $31.28 - $319.41
    • (0 reviews)
      # sp7796
      Ring and Pinion by Omix-Ada®. Ring and pinion replacement may be necessary because the gear assembly is defective or it may be replaced because another gear ratio is desired for performance. Whatever the reason, Omix-Ada has a...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $181.49 - $634.66
    • (0 reviews)
      # sp23494
      Differential Ring and Pinion Set by Motive Gear®. At Motive Gear, from inception to inspection, our parts surpass rigorous quality control tests. When you open your Motive Gear box, you can see the quality of our hard work. Our...
      $138.51 - $707.94
    • (0 reviews)
      # sp30984
      Differential Gear by OPGI®. This superior product is painstakingly designed to provide outstanding quality and value. Expertly crafted from first-rate materials to the highest standards it ensures maximum durability. This OPGI...
      Made from first-rate materialsDesigned to comply with high-quality standards
      $387.47 - $392.27
    • (0 reviews)
      # sp10433
      GM Original Equipment™ Differential Sun Gear 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 technology,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $50.45 - $59.32
    • (0 reviews)
      # sp6537
      Rear Differential Ring and Pinion by Dorman®. The gears of Dorman’s Differential Ring and Pinion are engineered to effectively transfer torque from the driveshaft to the axles. It's robust steel construction ensures durability...
      Replacement eliminates driveline grinding and whining soundsDirect replacement for a proper fit
      $96.22 - $332.31
    • (0 reviews)
      # sp16354
      Differential Case Assembly by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $243.88 - $1,161.33
    • (0 reviews)
      # sp21108
      Differential Case Kit by Crown®. Gear Set Does Not Include. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $130.65 - $391.95
    • (0 reviews)
      # sp24967
      Differential Gear and Pinion Set by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $254.05 - $464.53
    • (0 reviews)
      # sp24977
      Differential Ring and Pinion by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $232.27 - $653.25
    • (0 reviews)
      # sp7795
      Differential Spider Gear Kit by Omix-Ada®. The spider gears are the parts in the differential that allow the wheels to turn at different speeds as the vehicle turns a corner. When these gears wear, clearances can increase causing...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $78.42 - $338.35
    • (0 reviews)
      # sp32787
      Dana 44 Electronic ELocker Differentials by Eaton®. 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, this product by Eaton will...
      $941.51
    • (0 reviews)
      # sp32788
      14 Bolt Limited Slip All Ratios Differential by Eaton®. 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, this product by Eaton...
      $445.99 - $694.96
    • (0 reviews)
      # sp26548
      Driveline & Axles by MTC®. Do you hear a humming or growling sound as you drive, or a clicking or clunking noise when cornering? If so, your vehicle may need wheel bearing or drive axle repairs. But before you waste your time and...
      $1.82 - $148.39
    • (0 reviews)
      # sp7793
      Drive Shaft Pinion Yoke by Omix-Ada®. Pinion yokes are generally durable components, but in their location under the vehicle they are subject to impact damage from obstacles and debris, especially when 4 wheeling off road.
      Available in U-bolt style and strap and bolt styleSecures driveshaft to pinion gear
      $27.22 - $83.97
    • (0 reviews)
      # sp6541
      Ring and Pinion Bearing Installation 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. The kit includes...
      Replacement eliminates driveline grinding and whining soundsRobust steel construction ensures durability for years of service
      $97.99 - $242.24
    • (0 reviews)
      # sp17483
      Differential Dynamic Dampener by Dorman®. Grade: Standard Replacement. Includes: 1 Rear Differential Dynamic Damper. Material: Steel, Rubber. Finish: Black Epoxy Coat. Attachment Method: Bolt On. This is an aftermarket part that...
      Replacement helps to reduce vibration in drivetrainConstructed of rubber and steel material
      $47.97 - $61.86
    • (0 reviews)
      # sp27261
      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 the latest technology, this...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.56 - $9.42
    • (0 reviews)
      # sp27264
      GM Original Equipment Transfer Case Debris Magnet by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.56 - $9.42
    • (0 reviews)
      # sp10409
      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 technology,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $25.48 - $107.43
    • (0 reviews)
      # sp10410
      GM Original Equipment™ Differential Carrier 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 technology,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $133.00 - $219.77
    • (0 reviews)
      # sp10414
      GM Original Equipment™ Differential Carrier Internal Gear Thrust 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.34 - $14.59
    • (0 reviews)
      # sp10421
      GM Original Equipment™ Differential Carrier Sun Gear Thrust 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
      $9.08
    • (0 reviews)
      # sp10428
      GM Original Equipment™ Differential Ring Gear 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 technology,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $79.13 - $220.41
    • (0 reviews)
      # sp10478
      Professional™ Differential Carrier Bushing by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.44
    • (0 reviews)
      # sp14215
      Differential Pinion Bearing by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s,...
      OE quality products from top original equipmentTop quality materials
      $27.93
    • (0 reviews)
      # sp32104
      Differential Master Overhaul Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $123.40 - $362.92
    • (0 reviews)
      # sp16353
      Differential Case by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $104.52 - $943.58
    • (0 reviews)
      # sp21089
      Differential Gear Set by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $75.49 - $566.15
    • (0 reviews)
      # sp21092
      Differential Bearing Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $50.79
    • (0 reviews)
      # sp21102
      Differential Gear Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $94.35 - $217.75
    • (0 reviews)
      # sp21107
      Differential Disc And Plate Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $87.58 - $94.35
    • (0 reviews)
      # sp21109
      Differential Master Overhaul Kit Dana 44 by Crown®. Includes Pinion, Carrier Bearings, Crush Sleeve, Oil Seals, Cover Gasket, Axle Shaft Seals, Bearings. Crown Automotive is just the ticket if you want to get the most out of your...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $123.40 - $362.92
    • (0 reviews)
      # sp21110
      Differential Master Overhaul Kit Dana 44 by Crown®. Includes Pinion, Carrier Bearings, Crush Sleeve, Oil Seals, Cover Gasket, Axle Shaft Seals, Bearings. Crown Automotive is just the ticket if you want to get the most out of your...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $123.40 - $362.92
    • (0 reviews)
      # sp24962
      Differential Carrier Shim Set by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $12.54 - $181.45
    • (0 reviews)
      # sp24964
      Differential Cross Pin by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $4.58 - $7.24
    • (0 reviews)
      # sp24965
      Differential Crush Sleeve by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $2.29 - $9.65
    • (0 reviews)
      # sp24966
      Differential Drain Plug by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $3.72 - $6.61
    • (0 reviews)
      # sp24968
      Differential Pinion Bearing Baffle by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $0.65 - $4.02
    • (0 reviews)
      # sp24972
      Differential Pinion Gear Thrust Washer by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the...
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $0.65 - $16.08
    • (0 reviews)
      # sp24974
      Differential Pinion Shim by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $3.05 - $116.13
    • (0 reviews)
      # sp24975
      Differential Plate Kit Trac-Lok by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $84.20
    • (0 reviews)
      # sp24978
      Differential Ring Gear Bolt by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $5.63 - $15.28
    • (0 reviews)
      # sp24979
      Differential Side Bearing Spacer by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $4.82 - $26.71
    • (0 reviews)
      # sp24980
      Differential Side Gear Thrust Washer by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $0.68 - $3.21
    • (0 reviews)
      # sp15532
      Differential Bearing by Genuine®. Do you hear a humming or growling sound as you drive, or a clicking or clunking noise when cornering? If so, your vehicle may need wheel bearing or drive axle repairs. But before you waste your...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $42.49 - $470.74
    • (0 reviews)
      # sp21085
      with AMC 20 Axle , Differential Bearing Cup by Omix-ADA®. Direct Fit. 5 Year Limited Warranty. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $14.98 - $42.46
    • (0 reviews)
      # sp21086
      Pinion Spacer by Omix-ADA®. Collapsible. Direct Fit. 5 Year Limited Warranty. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $3.36 - $17.52
    • (0 reviews)
      # sp7798
      Differential Side Bearings by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets, etc. Omix-Ada has...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $11.34 - $68.91
    • (0 reviews)
      # sp7799
      Differential Bearings by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets, etc. Omix-Ada has all...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $25.01 - $582.63
    • (0 reviews)
      # sp7800
      Differential Rebuild Kit by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets, etc. Omix-Ada has...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $99.84 - $188.50
    • (0 reviews)
      # sp7802
      Differential Pinion Bearing Shim Kit by Omix-Ada®. Ring and pinion gear sets must be installed according to specification, or gear whine, or even gear failure, could result. This kit includes all the shims needed to make sure...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $13.22 - $191.04
    • (0 reviews)
      # sp7803
      Differential Washers and Oil Seals by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets, etc....
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      $1.28 - $111.75




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    At first blush, the differential seems to be complicated. But once we understand its function, it becomes amazingly simple. As a rule, front-wheel-drive vehicles have the differential on the front axle, while in rear-wheel-drive cars it is found between the rear rims. Apart from the front and rear differentials, 4WD cars are also equipped with a central diff, which is between the front and rear axles.

    Open and limited slip differentials (LSD) are the most common types used in today's cars. The open diff has a series of gears allowing the wheels to rotate at different speeds when turning. Each drive wheel gets an equal portion of engine power. The LSD employs several clutches and a spring pack to allow the rims to rotate at different rates, though dividing torque between them unequally while turning. As a rule, the wheel with better traction gets more power.

    The reality is that each type of the differential has its drawbacks. For instance, the open differential might get you into trouble when one of the tires hits a slippery surface: the wheel starts spinning and gets more torque than that with good traction. The disadvantage with the LSD is when you get started on a slippery road from a stopped position, since the wheel that gets more power from the LSD loses traction. As a result, the vehicle will simply slip and you'll experience poor handling. Still, the LSD has more pros if compared to the open diff.

    Nothing lasts forever, and your differential, whether it's open or LSD, is no exception. If we talk about the front differential, the first trouble it can face is a lack of differential fluid. Pressure, friction, heat, or moisture can cause the lubricant to evaporate and make the internal components go wrong. The rear differential seems to have even more bothersome. Besides insufficient fluid level, there also may be another headache: bad U-joints of the driveshaft can affect the diff, making it work harder than usual. A clanking or rattling noise coming from the rear when the car is put into drive will be a hint.

    It's definitely a bad experience when you suddenly discover what a malfunctioning differential is. Fortunately, there are a few useful tips on how to help a differential serve a longer period and save you from pricey repair bills. First, never ignore the noises coming from the diff. No matter what type of differential your vehicle employs, don't forget to check the device at least every 3,000 miles. In case the problem is somewhat more serious than simply adding fluid, let a professional mechanic handle it.

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    Differentials & Components Reviews

    Average rating:  5  4.8 - 17 reviews
    Read All Differentials Reviews
    5 of 5
    Differential Rebuild
    Grab a Haynes manual, and find a video on YouTube, this was the easiest rebuild that could have been done. Everything in the kit was included, just had to rent a few extra tools from a local auto parts store and it was good to go.
    ZPosted by Zephrey (Spring Lake, NC) /
    2006 Ford F-150
    Was this review helpful for you? Yes
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