What do differentials and parts consist of?

Differentials and parts are a set of drivetrain components mounted on the drive axle or in an AWD system. A typical set includes a housing, ring gear, pinion shaft, spider gears, side gears, bearings, and seals. Depending on the car's design, flanges, a speed sensor, and mounting elements are also included. Compatibility is primarily determined by the OEM number, gear ratio, and housing type.

What are differentials and parts used for?

Differentials are used to distribute torque to wheels on the same axle while maintaining a difference in their speed during a turn. This allows the drivetrain to operate smoothly, and tires and half-shafts are not excessively stressed in corners. A functional differential also affects traction, stability, and drivetrain performance. In AWD cars, it additionally cooperates with elements distributing power between axles.

What is the construction and function of differential bearings?

Differential bearings are rolling elements supporting the pinion shaft and the differential carrier. Their task is to maintain the alignment of the gear operation, reduce friction, and transfer loads generated during acceleration and engine braking. Worn bearings can cause whining, play, and an incorrect tooth contact pattern. When selecting, check the seat dimensions, bearing type, and compatibility with the given housing.

How to choose a differential for a specific car version?

It is safest to compare the OEM number, gear ratio designation, drive type, and body/engine version. It is also worth checking the flange diameter, shaft mounting method, presence of a sensor, and housing type. For 4x4 vehicles, compatibility with other drivetrain elements is also important.

What symptoms may indicate wear of the differential or its parts?

The most common symptoms are whining that increases with speed, vibrations during acceleration, clunking when changing loads, and oil leaks around the seals. In practice, it is also worth paying attention to excessive play on the flanges and uneven drivetrain operation in corners. Such signals do not always mean the entire unit is damaged, but they require verification of bearings, gears, and mounts.

How to take care of differentials after installation?

The basis is checking the level and quality of gear oil and regularly checking the housing for leaks. After installation, it is worth observing whether there is any noise, play, or weeping at the seals. It is also good practice to verify cooperating elements such as half-shafts, the drive shaft, and mounts so that the entire system operates without excessive loads.

Differentials and parts

At Global Parts, we offer a wide selection of genuine used car parts, including differentials and parts for many popular car brands, including BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each differential and part we offer undergoes quality control to ensure you receive a top-quality product.

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BMW F10 F11 F20 F21 F22 LCI Front Differential Diff 2,65 Ratio 7589155 WARRANTY

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BMW 3 Series E90 320si Rear Differential Diff 4,10 Ratio 7564878 RECONDITIONED

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Audi A6 C6 4F 3.0 TDI Quattro Rear Axle Differential HNL 0AR500043A WARRANTY

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BMW Z4 Series E85 2.2i M54 Rear Differential Diff 3,38 Ratio 7533131 WARRANTY

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BMW F30 F31 F32 F33 F36 G30 G12 Front Differential Diff 3,23 7584519 WARRANTY

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Rear Differential BMW F10 F11 535d Diff Final Drive 2,65 Ratio 7565366 WARRANTY

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BMW X6 E71 Rear Axle Differential Diff QMV 3,64 Ratio 7586025 WARRANTY

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BMW E90 LCI E92 330d xDrive N57 Rear Differential Diff 2,47 7571405 WARRANTY

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Audi Q7 4M 3.0 TDI Rear Axle Differential Ratio 43:13 RZP 0G2500043B WARRANTY

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BMW E65 735i 740i Rear Differential Diff 3,62 Ratio 7558957 WARRANTY

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BMW X5 Series E70 LCI E70N Rear Differential Diff 3,15 Ratio 7590913 WARRANTY

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BMW X3 Series E83 2.0i N46 Front Differential Diff 4,10 Ratio 7531797 WARRANTY

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Mercedes W639 Rear Axle Differential Diff 2,923 Ratio A6393501814 WARRANTY

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

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Vibration Absorber BMW F20 F21 F30 F31 F32 LCI Rear Differential Support 6877100

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Audi S3 8L TT 8N 1.8T Quattro Transfer Box Case 02M409053K WARRANTY

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BMW E60 LCI 530d M57N2 Rear Differential Diff 2,47 Ratio 7560049 Manual WARRANTY

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BMW E93 325i N53 Rear Differential Diff 7566165 3,15 Ratio Manual WARRANTY

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BMW E60 525i M54 Rear Differential Diff 3,73 Ratio 7527004 WARRANTY

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BMW E61 530d M57N2 Rear Axle Differential Diff 2,47 Ratio 7547092 WARRANTY

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BMW Z4 Series E89 Roadster Rear Differential Diff 3,73 Ratio 7576668 WARRANTY

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BMW F45 X1 F48 Mini F60 Differential Lock Module Rear Control Unit ECU 8692605

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Mercedes W203 Rear Differential Diff 2033503464 1723501014 2,87 WARRANTY

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BMW X5 E70 3.0d 3.0sd M57N2 Rear Differential Diff 3,

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BMW X3 E83 LCI 3.0sd Rear Axle Differential Diff 3,23 Ratio 7544794 WARRANTY

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Mercedes W203 Rear Axle Differential Diff A2103510805 A2033510908 WARRANTY

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BMW F10 F11 F20 X3 F25 Front Differential Diff 3,08 Ratio 8618381 RECONDITIONED

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Audi Q5 FY 3.0 TFSI Quattro Rear Axle Differential Diff TJS 0D2500043J WARRANTY

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Mercedes W203 Rear Differential Diff A2033508962 2033501764 Ratio 2,65 WARRANTY

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BMW G20 G21 G22 G23 G42 Rear Axle Differential Diff I=2,81 8647923 WARRANTY

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BMW Z4 E85 2.5i 3.0si Rear Axle Differential Diff 3,64 Ratio 7514197 WARRANTY

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Audi A5 8T A6 C6 Rear Axle Differential Diff HNP 0AR525083 WARRANTY

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

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Audi Q5 8R 2.0 TDI Quattro Rear Differential Diff 35:8 KLM 0BC500043N WARRANTY

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BMW F22 F30 F31 F32 F34 F36 Rear Axle Differential Diff I=2.81 7603759 WARRANTY

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Mercedes Sprinter W906 Rear Differential A9063502304 741423 46:11 4,182 WARRANTY

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

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Ford Transit MK7 Rear Axle Suspension Differential Diff 1608111

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BMW E90 E91 E92 335d M57N2 Rear Differential Diff 2,81 7571175 4552330 WARRANTY

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BMW E46 Rear Axle Differential Diff 3,38 Ratio 1428168 7559330 WARRANTY

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BMW F20 F21 F22 F23 Rear Differential Diff 2,65 Ratio 7599472 WARRANTY

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Mercedes W906 Rear Differential Diff 51:13 3,923 741417 A9063502314 WARRANTY

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BMW E60 M5 E63 E64 M6 S85 Rear Differential Diff 3,62 Ratio WARRANTY

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Part no. 8487445

BMW X3 G01 X4 G02 X5 G04 X6 G06 Front Differential Diff 3.385 8487445 WARRANTY

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Audi RS3 8Y 2.5 TFSI DNWC Quattro Rear Axle Differential UYA 08E525010M WARRANTY

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Range Rover Velar Rear L560 2.0 Rear Differential Diff HK83-4A213-FE WARRANTY

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Ford Mustang GT Mk6 5.0 V8 Manual Rear Differential 3.55 FR3W-4200-TB WARRANTY

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