What is the construction and purpose of differentials?

Differentials are drivetrain components mounted on the drive axle or in the axle housing. They usually consist of a housing, final drive, spider gears, side gears, bearings, and seals. Their task is to distribute torque between the wheels of one axle and allow for a difference in rotational speed while turning.

What are differentials used for?

Differentials are used for smooth power transfer to the wheels while maintaining car stability in corners. Thanks to them, the inner and outer wheels of the drive axle can rotate at different speeds without jerking the drivetrain. Failure of this assembly can cause noise, overload the half-shafts, and impair vehicle handling.

What is the construction and function of differential bearings?

Differential bearing is a system of bearings supporting the pinion shaft and the differential carrier. It serves to maintain the proper position of gear elements, limit backlash, and ensure uniform gear operation. Its condition affects noise levels, gear durability, and the tightness of the entire assembly.

How to choose a differential for a specific car version?

When choosing, it is best to compare the OEM part number, interchangeable numbers, gear ratio, and vehicle placement. It is also worth checking the fuel type, body version, drive type, and compatibility with half-shafts and the driveshaft. If the car was available in several equipment variants, verification by VIN will also be helpful.

What symptoms may indicate differential wear?

Most commonly, these are whining or humming sounds that increase with speed, jerking when changing loads, and noticeable play in the drivetrain. Symptoms also include oil leaks from the housing and uneven operation during turns. Such signals should be compared with the condition of bearings, seals, and mounts.

What does the installation and maintenance of a differential look like?

Installation involves removing the driveshaft, disconnecting the half-shafts, replacing the assembly, and resetting all connections according to the manufacturer's documentation. After installation, check for leaks, mount condition, and the correct oil specified for the given design. In operation, regular checks for leaks, noise, and play appearing during driving are important.

Differentials - Differentials

Our offer includes original used differentials, commonly known as differentials, as well as remanufactured differentials from brands such as BMW, Mercedes, Audi, Volkswagen, Mini, and others. Thanks to our collaboration with experienced automotive consultants with over 10 years of experience, we can help you choose the right differential for your vehicle.

More information

Make

Mercedes W204 W205 A207 W212 Rear Differential Diff 2,47 Ratio WARRANTY

£237.95

Free delivery: Jul 14

If paid before 14:00

Part no. A9063502501

Mercedes Sprinter W906 Rear Differential Diff 741423 48:11 4,364 A9063502501

£474.95

Delivery: Jul 13

If paid before 14:00

Part no. A2033504364

Mercedes C CLC CLK W203 CL203 C209 Rear Differential Diff 2,82 Ratio WARRANTY

£170.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A9063506101

Mercedes Sprinter W906 Rear Differential Diff 741415 46:11 4,182 A9063506101

£474.95

Delivery: Jul 13

If paid before 14:00

Part no. A2123501414

Mercedes W204 W205 W212 Rear Axle Differential Diff 3,07 A2043505459 WARRANTY

£237.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A1633300005

Mercedes ML W163 Front Differential Diff 3,46 Ratio A1633300005 WARRANTY

£142.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2193502014

Mercedes W211 CLS C219 Rear Axle Diff Differential 2,65 A2193500400 WARRANTY

£161.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A4473500814

Mercedes W447 119 CDI Rear Axle Differential Diff I=2,93 A4473500814 WARRANTY

£522.95

Free delivery: Jul 14

If paid before 14:00

Part no. A1663300200

Mercedes ML W166 Front Axle Differential Diff 3,27 Ratio A1663300200 WARRANTY

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. A1713500514

Mercedes R171 W203 Rear Differential Diff A1713500514 A1713500100 3,46 WARRANTY

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. A2073500914

Mercedes W204 C207 W212 Rear Axle Differential Diff 2,24 A2073500914 WARRANTY

£189.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A6393530495

Mercedes Vito W639 Rear Axle Differential Holder Mount Bracket A6393530495

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. A2043502414

Mercedes W204 W205 A207 W212 Rear Differential Diff A2043502414 2,47 WARRANTY

£161.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2043504714

Mercedes W204 W212 M156 Rear Axle Differential 2.82 Ratio A2043503314 WARRANTY

£1,377.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2093503314

Mercedes W203 C209 Rear Axle Diff Differential 2043504901 2,47 Ratio WARRANTY

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. A2043500614

Mercedes W204 W205 W212 Rear Differential Diff 3,07 Ratio 2043507400 WARRANTY

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. A1643302502

Mercedes W251 Front Axle Differential Diff 2,92 Ratio A1643302502 WARRANTY

£161.95

Free delivery: Jul 14

If paid before 14:00

Part no. A2053501600

Mercedes W205 W213 Rear Axle Differential Diff A2053507514 3,06 WARRANTY

£332.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A1663502000

Mercedes W166 Rear Axle Differential Diff 2,82 Ratio A1663502000 WARRANTY

£237.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A9063506701

Mercedes Sprinter W906 Rear Axle Differential Diff A9063506701 WARRANTY

£826.95

Delivery: Jul 13

If paid before 14:00

Part no. A1663504214

Mercedes ML W166 4Matic Rear Axle Differential Diff I=3.27 A1663504214 WARRANTY

£560.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2053506718

Mercedes W205 W213 C253 Rear Axle Differential Diff A2053509527 3,066 WARRANTY

£446.95

Free delivery: Jul 14

If paid before 14:00

Part no. A4703501600

Mercedes X250d W470 OM699 Rear Axle Differential Diff A4703501600 WARRANTY

£902.95

Delivery: Jul 13

If paid before 14:00

Part no. A2193502614

Mercedes C219 M272.964 Rear Axle Differential Diff I=3.27 A2193502614 WARRANTY

£256.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2053503324

Mercedes W205 C43 AMG 4matic Rear Differential M276 Auto A2053503324 WARRANTY

£332.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A1723509003

Mercedes SLK R172 Rear Axle Differential Diff 3,066 Ratio 1723505703 WARRANTY

£332.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A6393500372

Mercedes Vito W639 Rear Axle Differential Holder Mount Bracket A6393500372

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. A2203507514

Mercedes C215 W220 M113 Rear Axle Differential Diff I=2.82 A2203507514 WARRANTY

£237.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A9063506201

Mercedes Sprinter W906 Rear Differential Diff A9063506201 741415 51:13 3,923

£949.95

Delivery: Jul 13

If paid before 14:00

Part no. A9033500403

Mercedes Sprinter W901 Rear Differential Diff A9013503900 741407 35:8 4,375

£902.95

Delivery: Jul 13

If paid before 14:00

Part no. A1663300300

Mercedes W166 M157.982 Front Differential Diff Ratio 3.45 A1663300300 WARRANTY

£237.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2203507714

Mercedes W220 4-Matic Rear Differential Diff Ratio 3.07 A2203507714 WARRANTY

£284.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2053503703

Mercedes W205 Rear Axle Differential Diff I=3,06 A2053503703 WARRANTY

£170.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2033504394

Mercedes W203 Rear Axle Differential Diff A2033504394 WARRANTY

£284.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2063507408

Mercedes W206 M254 Rear Axle Differential Diff 2,64 Ratio A2063507408 WARRANTY

£332.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2303511108

Mercedes R230 W211 Rear Axle Differential Diff A2303511108 WARRANTY

£237.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2573506400

Mercedes W213 C238 C257 AMG Rear Differential Diff A2573506400 3,06 WARRANTY

£1,139.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2113505462

Mercedes W211 M271 Rear Axle Differential Diff A2113510308 WARRANTY

£664.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A1643501214

Mercedes ML W164 Rear Axle Differential Diff 3,09 Ratio A1643501214 WARRANTY

£170.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A2053506718-1

Mercedes W205 W213 C253 Rear Axle Differential Diff A2053509527 3,066 WARRANTY

£379.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A9013503600

Mercedes Sprinter W901 Rear Differential 38:11 3,454 A9013503900 741407 WARRANTY

£902.95

Delivery: Jul 13

If paid before 14:00

Part no. A1643501614

Mercedes W251 Rear Axle Differential Diff 2,92 Ratio A1643501614 WARRANTY

£142.95

Free delivery: Jul 14

If paid before 14:00

Part no. A2133501201

Mercedes W205 W213 300de Rear Axle Differential 1:2.642 2133501201 WARRANTY

£759.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. A9063502100

Mercedes Sprinter W906 Rear Differential Diff A9063502100 741412 48:11 4,364

Product currently unavailable

Part no. A9073500301

Mercedes W907 Rear Differential Diff 741423 51:13 3,923 A9073500301 WARRANTY

Product currently unavailable

Part no. A9063501000

Mercedes Sprinter W906 Rear Differential Diff A9063501000 741415 48:11 4,364

Product currently unavailable

Part no. A2053304107

Mercedes W205 C253 4MATIC Front Differential Diff 3.066 A2053304107 WARRANTY

Product currently unavailable

Part no. A9063502401

Mercedes Sprinter W906 Rear Differential Diff A9063502401 741423 51:13 3,923

Product currently unavailable

Part no. A2073500314

Mercedes W204 S204 W212 S212 Rear Axle Differential Diff 2,47 Ratio WARRANTY

Product currently unavailable

Part no. A6393501214

Mercedes-Benz Vito W639 Rear Differential Diff 3,72 Ratio A6393501214 WARRANTY

Product currently unavailable

Part no. A2473502503

Mercedes V177 W247 4-Matic Rear Differential Axle A2473502503 2,438 WARRANTY

Product currently unavailable

Part no. A2463501802-1

Mercedes W176 W246 4Matic Rear Axle Differential Diff 2,438 A2463507701 WARRANTY

Product currently unavailable

Part no. A0003500400

Mercedes Sprinter W903 Rear Differential Diff A0003500400 741408 34:7

Product currently unavailable

Part no. A2473502702

Mercedes W177 A35 AMG Rear Axle Differential Diff 2,438 A2473502702 WARRANTY

Product currently unavailable

Part no. A2473505104

Mercedes W177 A35 AMG 4matic Rear Axle Differential 2,44 A2473505104 WARRANTY

Product currently unavailable

Part no. A2133505200

Mercedes W205 W213 4MATIC Rear Axle Differential Diff 2.474 WARRANTY

Product currently unavailable

Part no. A6393530695

Mercedes Vito W639 Rear Axle Differential Holder Mount Bracket A6393530695

Product currently unavailable

Part no. A2463501802-2

Mercedes W176 W246 4Matic Rear Axle Differential Diff 2,438 A2463507701 WARRANTY

Product currently unavailable

Part no. A2053304107-1

Mercedes W205 C253 4MATIC Front Differential Diff 3.066 A2053304107 DAMAGED

Product currently unavailable

Part no. A2463501802

Mercedes W176 W246 4MATIC Rear Axle Differential Diff 2,438 A2463501802 WARRANTY

Product currently unavailable

Part no. A2053507000

Mercedes W205 W213 C238 Rear Axle Differential Diff A2053508911 2,474 WARRANTY

Product currently unavailable

Part no. A2053505200

Mercedes W205 Rear Axle Differential Diff A2053505200 2,474 Ratio WARRANTY

Product currently unavailable

Part no. A2043500414

Mercedes W204 W212 Rear Differential Diff 2043502104 A2043502104 2,65 WARRANTY

Product currently unavailable

Part no. A9033501200

Mercedes Sprinter W903 Rear Axle Differential Diff A9033501200 741408 37:9 4,111

Product currently unavailable

Part no. A2043500114

Mercedes W204 W205 W212 C207 C218 Rear Differential Diff 2,65 Ratio WARRANTY

Product currently unavailable

Part no. A1713501014

Mercedes SLK R171 Rear Axle Differential Diff 3,27 Ratio WARRANTY

Product currently unavailable

Part no. A9063502301

Mercedes Sprinter W906 Rear Differential Diff A9063502301 741423 46:11 4,182

Product currently unavailable

Part no. A6393501414

Mercedes Vito W639 Rear Differential Diff Axle 3,273 Ratio A6393501414 WARRANTY

Product currently unavailable

Part no. A2213503914

Mercedes W221 Rear Diff Differential Axle Ratio 2,65 A2213503914 WARRANTY

Product currently unavailable

Part no. A2033503474

Mercedes R172 SLK250 CDI BE Rear Axle Differential Diff 2:47 1723508000 WARRANTY

Product currently unavailable

Part no. A9063501201

Mercedes Sprinter W906 Rear Differential Diff A9063501201 741421 48:11 4,364

Product currently unavailable

Part no. A2053304207

Mercedes GLC C253 X253 4Matic Front Differential Diff 3,266 A2053304207 WARRANTY

Product currently unavailable

Part no. A2183503800

Mercedes W212 C218 AMG Rear Axle Differential Diff 2,65 A2183508700 WARRANTY

Product currently unavailable

Part no. A1723503403

Mercedes R172 SLC 43 AMG Rear Axle Differential Diff 2,82 A1723503403 WARRANTY

Product currently unavailable

Part no. A6393503214

Mercedes Vito W639 Rear Differential Diff Axle 3,273 Ratio A6393503214 WARRANTY

Product currently unavailable

Part no. A2213504614

Mercedes C216 W221 M157 Rear Axle Differential Diff 2,65 A2213504614 WARRANTY

Product currently unavailable

Part no. A9033503100

Mercedes Sprinter W903 Rear Axle Differential Diff A9033503100 741408 37:9 4,111

Product currently unavailable

Part no. A2053303907

Mercedes W213 C238 4Matic Front Differential Diff 2,82 A2053303907 WARRANTY

Product currently unavailable

Part no. A2033506962

Mercedes-Benz W203 C 200 Kompressor Rear Differential 3,27 A2033506962 WARRANTY

Product currently unavailable

Part no. A1763502800-1

Mercedes W176 M133 AMG 4Matic Rear Axle Differential Diff A1763502800 WARRANTY

Product currently unavailable

Part no. A2033507514

Mercedes W203 S203 CL203 C209 Rear Differential Diff 3,07 Ratio WARRANTY

Product currently unavailable

Part no. A2043500214

Mercedes W204 W207 W212 Rear Axle Differential Diff 2.82 A2043500214 WARRANTY

Product currently unavailable

Part no. A2033509062

Mercedes W203 Rear Differential Diff A2033504894 2033504894 2,65 WARRANTY

Product currently unavailable

Part no. A1643302002

Mercedes ML W164 Front Axle Differential Diff 3,09 Ratio A1643302002 WARRANTY

Product currently unavailable

Part no. A2053507814

Mercedes W205 Rear Axle Differential Diff A2053507814 2,474 Ratio WARRANTY

Product currently unavailable

Part no. A1663500414

Mercedes W166 ML63 AMG Rear Axle Differential 3.47 Ratio A1663500414 WARRANTY

Product currently unavailable

Part no. A9063502404

Mercedes Sprinter W906 Rear Differential Diff A9063502404 741423 51:13 3,923

Product currently unavailable

Part no. A2133500701

Mercedes W205 W213 C253 Rear Axle Differential Diff A2133500701 3,066 WARRANTY

Product currently unavailable

Part no. A2053303707

Mercedes W205 W213 4Matic Front Differential Diff 2,47 A2053303707 WARRANTY

Product currently unavailable

Part no. A1713502114

Mercedes R171 SLK 350 Rear Axle Differential Diff 1713501700 3,27 Ratio WARRANTY

Product currently unavailable

Part no. A2113506362

Mercedes W211 Rear Diff Differential Axle A2113503712 2113503712 2,47 WARRANTY

Product currently unavailable

Part no. A2133505300

Mercedes W213 C238 Rear Axle Differential Diff A2133505300 2,473 Ratio WARRANTY

Product currently unavailable

Part no. A2043502814

Mercedes W212 W207 C207 A207 Rear Differential Diff A2123509203 2,65 WARRANTY

Product currently unavailable

Part no. A1763502900

Mercedes W176 CLA250 A45 Rear Differential 4-Matic AWD A1763502900 WARRANTY

Product currently unavailable

Part no. A2093501514

Mercedes W203 C209 W209 Rear Differential Diff 3,07 Ratio A2093504700 WARRANTY

Product currently unavailable

Part no. A1703501214

Mercedes R170 W202 C208 Rear Axle Differential Diff A1703501214 3,27 WARRANTY

Product currently unavailable

Part no. A1643302702

Mercedes ML 63 W164 AMG Front Differential Diff 3,45 Ratio A1643302702 WARRANTY

Product currently unavailable

Part no. A4473501014

Mercedes W447 Rear Axle Differential Diff 52:15 Ratio=3,467 A4473501014 WARRANTY

Product currently unavailable

Part no. A2213502614

Mercedes C216 W221 4MATIC Rear Axle Differential Diff 2,65 A2213503904 WARRANTY

Product currently unavailable

Showing 1-99 of 134 products

Car differentials for precise power distribution

Precision differentials for optimal drive distribution

Have you ever wondered what makes your car corner smoothly and handle road bumps effectively? This is due to the differential – a key component of your car's drivetrain. Without this differential gear, traveling would be significantly less comfortable and safe. A functional differential ensures that each wheel rotates at the appropriate speed, adjusted to road conditions and maneuvers performed by the driver. A malfunctioning or damaged differential can lead to many problems – from difficulty in steering to serious failures of other drivetrain parts. Symptoms of a faulty differential may include noise coming from the axle area, difficulty when turning, and uneven tire wear, which is why it is worth paying attention to regular technical inspections of your car and taking care of the condition of all its components. In our Global Parts automotive store with spare parts, you will find a wide selection of high-quality used differentials that are not only durable but also available at attractive prices. You can easily order them online and add selected car differentials to your cart. Taking care of the good condition of the differential is an investment in the comfort and safety of every journey, as well as the longevity of other components of your vehicle. Regular maintenance of this mechanism guarantees smooth driving regardless of road conditions or the type of equipment used. A car differential is a mechanism whose main task is to distribute torque between the wheels of the drive axle, allowing them to rotate at different speeds in corners. In passenger vehicles, open differentials, LSD (Limited Slip Differential), and electronic E-Diffs are most commonly used. For example, a BMW X3 E83 differential ensures precise torque transfer to the rear wheels, which improves traction on slippery surfaces. In practice, a typical rear differential for a BMW E46 318i has a gear ratio of 3.91:1 and a weight of approximately 35 kg, which allows it to work effectively with the driveshaft and half-shafts. Compatibility of differentials with a specific VIN guarantees full interchangeability and fitment with the rest of the drivetrain. This saves installation costs and minimizes the risk of improper vehicle operation.

Construction and purpose of differentials

Differentials are drivetrain assemblies mounted on the drive axle or in the axle housing, designed to distribute torque between the left and right wheels. A typical unit consists of a housing, ring gear, pinion shaft, spider gears, bearings, and seals. In product listings, it is worth checking data such as the OEM part number, interchangeable numbers, vehicle placement, and fuel type, as these affect compatibility with a specific car version.

Comparison of car differential variants

Variant	Operating characteristics	Elements to check before purchase	Application
Open differential	Standardly distributes torque to the wheels and allows them to rotate at different speeds in a turn.	OEM number, gear ratio, mounting type, compatibility with half-shafts and driveshaft.	Most common in road cars.
LSD differential	Limits excessive wheel slip and improves power transfer in poor traction conditions.	Type of locking mechanism, gear ratio, housing, compatibility with the drive axle.	Sport versions, higher-performance variants, and dynamically used cars.
Electronic E-Diff	Works in conjunction with the vehicle's electronics and stability control system.	Control compatibility, equipment version, cooperating sensors, OEM number.	Modern drivetrains with advanced electronics.

Table of example BMW differentials

Model	Type	Ratio	Weight
BMW E46 318i	Rear differential	3.91:1	35
BMW X3 E83	Rear differential	3.91:1	38
BMW 320d E90	Rear differential	3.91:1	36

Differentials - Original spare parts from well-known automotive manufacturers

In our offer, you will find original used differentials, as well as differentials refurbished by our company for brands such as BMW, Mercedes, Audi, Ford, Volkswagen, or Mini. Thanks to our cooperation with experienced automotive advisors with over 10 years of experience, we will help you choose the right differential for your car. Our specialists provide professional advice and support at every stage of purchasing a differential. By using our services, you can be sure that you are choosing the best differentials available on the market. All our differentials are carefully selected and tested for durability and performance. This way, you can be sure that your vehicle will operate flawlessly for many years. Thanks to the wide assortment of products in the Global Parts automotive store, we offer differentials suitable for many passenger car models. We place great emphasis on the quality of our products and ensure that every customer finds something for themselves in our store. We stock differentials with various technical parameters and prices adapted to individual user needs. You can easily browse our offer online and add selected differentials to your cart without leaving your home. Reliable drivetrain operation is crucial for driving safety and travel comfort. That is why it is worth investing in original used parts from renowned manufacturers and distributors such as Global Parts. Thanks to them, your car will always be ready for any route – regardless of road conditions or surface type. If you are not sure which differential best fits your car or have questions regarding installation – our experts are always ready to help. Simply contact us by phone or email; we will be happy to provide all information and advise you on choosing the right spare parts. Investing in original components from proven manufacturers is a guarantee of reliability and longevity for your vehicle. By taking care of your car's condition through regular replacement of worn parts, you will ensure a smooth ride without unexpected breakdowns or technical problems. In addition to standard differentials, our offer also includes BMW LSD limited-slip differentials, which increase traction on surfaces with varying friction coefficients. Thanks to OEM numbers, you can precisely match the differential to the specific model and year of the car.

The importance of gear ratios and cooperating elements

The differential gear ratio is used to match the drivetrain characteristics to the engine, gearbox, and wheel diameter. It influences how torque is delivered, the car's acceleration response, and RPMs while driving at a constant speed. When choosing, it is worth comparing not only the OEM number but also the housing, mounting points, and compatibility with differential bearings and seals.

Choosing a differential for the car version and drive type

The differential is designed to work with the driveshaft, half-shafts, and hubs, so its selection should take into account the engine version, fuel type, and mounting location. For parts such as a BMW E90 320i differential, you must compare the gear ratio, OEM number, and rear housing mounting method to avoid fitment issues. Additionally, it is helpful to compare the offer with differential repair kits and other differential parts if a more extensive repair is planned.

Practical tips for replacement and condition assessment

Differential bearing is the support system for the pinion shaft and the differential carrier, which is responsible for the smooth and quiet operation of the entire assembly. Worn bearings, backlash in the gearing, or leaking seals can cause whining, vibrations, and oil leaks. When choosing an element such as a Mercedes W211 rear axle, it is worth checking the condition of the mounts, housing tightness, and compatibility with half-shafts, while if you are looking for a component such as an E46 differential, it is good to compare the OEM part number, gear ratio, and body style. A useful supplement to the selection process is the article Drive axles and differentials from dismantling – how to choose gear ratios for driving style.

Differential installation procedure includes

Lifting the vehicle and removing the driveshaft.
Unscrewing and removing the old differential.
Installing the new differential while maintaining the manufacturer's tightening torques.
Changing the oil in the differential.
Test drive to verify correct operation.

FAQ

Question	Answer
What is the construction and purpose of differentials?	Differentials are drivetrain components mounted on the drive axle or in the axle housing. They usually consist of a housing, final drive, spider gears, side gears, bearings, and seals. Their task is to distribute torque between the wheels of one axle and allow for a difference in rotational speed while turning.
What are differentials used for?	Differentials are used for smooth power transfer to the wheels while maintaining car stability in corners. Thanks to them, the inner and outer wheels of the drive axle can rotate at different speeds without jerking the drivetrain. Failure of this assembly can cause noise, overload the half-shafts, and impair vehicle handling.
What is the construction and function of differential bearings?	Differential bearing is a system of bearings supporting the pinion shaft and the differential carrier. It serves to maintain the proper position of gear elements, limit backlash, and ensure uniform gear operation. Its condition affects noise levels, gear durability, and the tightness of the entire assembly.
How to choose a differential for a specific car version?	When choosing, it is best to compare the OEM part number, interchangeable numbers, gear ratio, and vehicle placement. It is also worth checking the fuel type, body version, drive type, and compatibility with half-shafts and the driveshaft. If the car was available in several equipment variants, verification by VIN will also be helpful.
What symptoms may indicate differential wear?	Most commonly, these are whining or humming sounds that increase with speed, jerking when changing loads, and noticeable play in the drivetrain. Symptoms also include oil leaks from the housing and uneven operation during turns. Such signals should be compared with the condition of bearings, seals, and mounts.
What does the installation and maintenance of a differential look like?	Installation involves removing the driveshaft, disconnecting the half-shafts, replacing the assembly, and resetting all connections according to the manufacturer's documentation. After installation, check for leaks, mount condition, and the correct oil specified for the given design. In operation, regular checks for leaks, noise, and play appearing during driving are important.

Summary: differentials at the Global Parts automotive store

Differentials are crucial for the operation of the entire drivetrain, so when purchasing, it is worth paying attention to the OEM part number, interchangeable numbers, vehicle placement, and compatibility with the car version. The Global Parts offer includes used and refurbished elements for many models, including for brands such as BMW, Mercedes, Audi, and others. This makes it easier to select the right differential for a planned repair or replacement of the entire assembly. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.

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