What is the construction and purpose of automatic transmissions?

Automatic transmissions are drivetrain assemblies mounted between the engine and subsequent drivetrain components. Their typical construction includes a housing, a gear set, a hydraulic system, electronic controls, and a torque converter or clutch packs. The transmission's task is to select the gear ratio according to driving speed and engine load without manual shifting by the driver.

What are automatic transmissions used for?

Automatic transmissions are used for smooth torque transfer and automatic gear shifting while driving. In practice, they affect the comfort of starting, accelerating, and driving in traffic jams, as well as cooperation with vehicle electronics. Without a properly functioning transmission, there may be delays in drivetrain response, jerking, or reduced vehicle performance.

What is the construction and function of a torque converter?

A torque converter is a hydrodynamic element connecting the engine to the automatic transmission. It consists of a housing, a pump impeller, a turbine, and a stator, and in many versions, also a lock-up clutch. Its function is to smoothly transfer drive during starting and to dampen sudden load changes.

How to check the compatibility of an automatic transmission with a vehicle?

The most reliable method is to compare the OEM number, transmission code, interchangeable numbers, and vehicle data via VIN. It is also worth verifying the fuel type, engine version, drivetrain type, and associated accessories, e.g., the controller or selector. This information helps avoid incompatibility during installation.

What symptoms indicate problems with an automatic transmission?

The most common symptoms include jerking during gear changes, delayed starting, noise, vibration, and transmission fluid leaks. In some cases, an emergency mode or failure to shift into a selected gear may also occur. Such symptoms should be checked against the condition of the oil, controls, and hydraulic components.

How to prepare an automatic transmission for installation?

Before installation, check the compatibility of markings, the condition of the housing, mounting points, connectors, and associated accessories. It is also good practice to check seals, oil cooling, and control elements. This makes installation smoother and reduces the risk of mismatch.

Automatic gearboxes

At Global Parts, we offer a wide selection of original used car parts, including automatic transmissions for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our automatic transmissions undergo quality control to ensure you receive a top-quality product.

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Audi A4 B7 3.0 TDI BKN Quattro Automatic Gearbox HYJ 09L300038N WARRANTY

€1,329.95

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Automatic Gearbox Mercedes W213 C238 C253 725015 725.015 A2132705902 WARRANTY

€854.95

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Jaguar XF MK1 X250 2.7 V6 Automatic Gearbox 8X23-7000-AE WARRANTY

€422.95

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BMW G20 G21 G22 G42 B48 Automatic Gearbox GA8HP51Z 5A04AA2 WARRANTY

€1,044.95

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Audi S4 B8 S5 8T 3.0 TFSI CGWC Quattro Automatic Gearbox NSC 0B5300056C WARRANTY

€2,089.95

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Range Rover L322 3.6 V8 368DT 4x4 Automatic Gearbox 6HP26 AH42-7000-DD WARRANTY

€664.95

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Audi Q2 GA 2.0 TDI DTTC Quattro Automatic Gearbox UEN DQ381 0GC300014L WARRANTY

€2,042.95

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Porsche Cayenne 92A 3.0 CVVA Automatic Gearbox Tiptronic PXW 0C8300039P WARRANTY

€1,424.95

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Automatic Gearbox Mercedes W213 C238 4MATIC 725045 725.045 A2132700103 WARRANTY

€1,899.95

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Ford Mondeo Mk5 2.0 Hybrid Automatic Gearbox ECVT FG98-7000-CC WARRANTY

€3,799.95

Part no. M8D2-7000-BC

Range Rover Evoque L550 Automatic Gearbox 9 Speed 9HP50 M8D2-7000-BC WARRANTY

€1,111.95

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Land Rover Discovery Sport L550 Automatic Gearbox 9HP48 GJ32-7000-BB WARRANTY

€1,519.95

Part no. 02E300057A

Volkswagen Passat CC 2.0 TDI DSG Automatic Gearbox NJK 02E300057A WARRANTY

€807.95

Part no. 0DK300041Q

Audi A6 C8 50 TFSIe Hybrid Quattro Automatic Gearbox VVR 0DK300041Q WARRANTY

€3,989.95

Part no. A7252704512

Mercedes R172 SLC 43 AMG Automatic Gearbox 725018 725.018 A1722708800 WARRANTY

€645.95

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Jaguar XF X250 Automatic Gearbox 6HP26 3.0 Petrol AJ6WG 9X23-7000-DC WARRANTY

€455.95

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Audi A4 B9 2.0 TFSI DLVA Automatic Gearbox S-Tronic TFE 0CK300045H WARRANTY

€1,377.95

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Mercedes W166 ML250 OM651 Automatic Gearbox 722908 722.908 1662706501 WARRANTY

€1,424.95

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Audi A6 C7 A7 4G 2.8 FSI CHVA Quattro Automatic Gearbox NSE 0B5300056G WARRANTY

€1,757.95

Part no. 0HL300041

Audi A6 C8 3.0 TFSI Quattro Dual Clutch Automatic Gearbox SCE 0HL300041 WARRANTY

€3,134.95

Part no. 0B5300060R

Audi S4 B8 S5 8T 3.0 TFSI Quattro Automatic Gearbox PWW 0B5300060R WARRANTY

€2,042.95

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Audi A3 8P 2.0 TFSI CAWB Automatic Gearbox S-Tronic KNC 02E300050J WARRANTY

€1,234.95

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Range Rover L405 Automatic Transmission Gear Lever Linkage Cable CPLA-7A117-AH

€32.95

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Seat Ibiza Mk5 FR 1.0 TSI Automatic Gearbox 7 Speed SST 0CW300042D WARRANTY

€1,025.95

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Audi TT Mk2 8J 2.0 TFSI CESA Automatic Gearbox DSG NLX 02E300058C WARRANTY

€1,472.95

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Volkswagen Transporter T5 2.5 TDI Automatic Gearbox KFF 09K300036AX WARRANTY

€2,279.95

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Mercedes W213 X253 4Matic Automatic Gearbox 725058 725.058 2532702601 WARRANTY

€1,709.95

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Mini Cooper One 1.6 R50 R52 Automatic Gearbox GACVT16Z-UZ WARRANTY

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BMW F01 F10 F30 F32 330d 430d 530d 730d N57N Automatic Gearbox GA8HP70Z WARRANTY

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Mechatronics BMW E81 E87 LCI E90 E91 E92 E93 GA6HP19Z Drive Automatic Gearbox

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Mercedes W203 W204 W210 W211 W212 Automatic Gearbox 722696 A2042708300 WARRANTY

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BMW E81 E87 E90 E91 E92 E93 120d 320d N47 Automatic Gearbox GA6HP19Z WARRANTY

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Mercedes W204 W212 Automatic Gearbox 722908 2042703705 2072708900 WARRANTY

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BMW F10 F11 520d Diesel N47N Automatic Gearbox Auto GA8HP45Z 7623321 WARRANTY

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BMW F20 F21 F30 F31 F32 B48 Automatic Gearbox 8678682 8484646 GA8HP50Z WARRANTY

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Automatic Gearbox BMW F10 F11 F07 520d Diesel N47N 7642297 GA8HP45Z WARRANTY

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BMW X5 E53 Diesel 3.0d M57N Auto Automatic Gearbox GA6HP26Z 7539078 WARRANTY

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Mercedes W203 CL203 W204 W210 W211 W212 W220 Automatic Gearbox 722618 WARRANTY

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BMW F20 F30 118d 318d N47N Automatic Gearbox 8623594 8638272 GA8HP45 WARRANTY

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Automatic Gearbox BMW X3 F25 20dX Diesel N47N 7642069 Auto GA8HP45X WARRANTY

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BMW E90 E91 E92 335i Petrol N54 Automatic Auto Gearbox 7566909 GA6HP19Z WARRANTY

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Automatic Gearbox BMW F20 F30 F31 LCI 120d 320d B47 8678661 GA8HP50Z WARRANTY

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BMW F20 F30 116d 118d 316d 318d N47N Automatic Gearbox GA8HP45Z 7642246 WARRANTY

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Automatic Gearbox BMW F30 F31 F32 F34 F36 320dX 420dX N47N GA8HP45X WARRANTY

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Mercedes W204 W211 W212 Automatic Gearbox 722902 722.902 A2042706801 WARRANTY

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BMW X5 Series E53 3.0i M54 Auto Automatic Gearbox A5S 390R - YZ 7525323 WARRANTY

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Automatic Gearbox BMW F01 F07 F10 F12 535d 640d 740d N57Z Auto GA8HP70Z WARRANTY

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BMW E60 E61 LCI 525d M57N2 Automatic Gearbox GA6HP19Z 7581411 7577610 WARRANTY

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Automatic Gearbox Mercedes C117 W176 W246 724002 724.002 A2463703602 WARRANTY

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BMW E90 E91 LCI 318d N47N Automatic Auto Gearbox 7601243 GA6HP19Z WARRANTY

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Part no. 7630967-1

BMW E90 E91 LCI 320d N47N Automatic Gearbox 7630967 7601244 GA6HP21Z WARRANTY

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Mercedes W203 W204 W211 W209 C209 Automatic Gearbox 722640 722.640 WARRANTY

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Mercedes W204 W212 W221 Automatic Gearbox 722908 722.908 A2042704005 WARRANTY

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BMW X5 E70 LCI X6 E71 30dX N57 Automatic Auto Gearbox GA8HP70X WARRANTY

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Automatic Gearbox BMW F10 F11 520d Diesel N47N 8623514 Auto GA8HP45Z WARRANTY

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Automatic Gearbox BMW F10 F11 F12 F13 535d 640d N57Z GA8HP70Z 8623408 WARRANTY

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BMW E60 E87 E90 E91 120d 320d 520d M47N2 Automatic Gearbox GA6HP19Z WARRANTY

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Mercedes W203 C 200 220 CDI 2.2 5 Speed Automatic Gearbox 722699 WARRANTY

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BMW E90 E91 335i N54 Automatic Gearbox 7592493 7576162 7572062 GA6HP19Z WARRANTY

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Automatic Gearbox BMW F10 F11 525d Diesel N57 GA8HP45Z 7616521 WARRANTY

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Mercedes W204 W212 W221 Automatic Gearbox 722908 722.908 A2122705204 WARRANTY

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Mechatronics Automatic Gearbox BMW F10 520d N47N Transmission GA8HP45Z 8612855

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Mercedes W204 W211 W212 Automatic Gearbox 722902 722.902 A2072700400 WARRANTY

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Automatic Gearbox BMW X3 F25 X4 F26 20dX Diesel B47 8638291 GA8HP45X WARRANTY

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Mercedes W204 W211 W212 Automatic Gearbox 722902 722.902 2112706101 WARRANTY

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Automatic Gearbox BMW F10 F11 530d Diesel N57 GA8HP70Z 7602090 WARRANTY

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Mechatronics BMW E60 E85 E87 E90 Drive Automatic Gearbox GA6HP19Z 0260550010

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BMW E60 E61 LCI 525d M57N2 Automatic Gearbox GA6HP19Z 7590136 WARRANTY

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BMW X5 E70 LCI X6 E71 30dX N57 Automatic Auto Gearbox 7630575 GA8HP70X WARRANTY

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BMW F20 F21 F30 F31 118i 318i B38 Automatic Gearbox GA8HP50Z WARRANTY

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BMW 3 Series E90 E91 Diesel 330d M57N2 Automatic Auto Gearbox GA6HP26Z WARRANTY

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Mini Cooper S F55 F56 F57 B46C B48C Twin Clutch Gearbox 7DCT300 9454406 WARRANTY

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Mercedes ML W163 270 CDI Automatic Gearbox 722.661 722661 WARRANTY

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Automatic Gearbox Mercedes W204 W211 W212 722902 722.902 2122702302 WARRANTY

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BMW F80 M3 F82 F83 M4 F87 M2 Twin Clutch Gearbox GS7D36SG 7853550 WARRANTY

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BMW E46 X3 E83 325xi 2.5i Petrol M54 Automatic Gearbox A5S 390R 7523278 WARRANTY

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BMW E90 E91 Diesel 335d M57N2 Automatic Auto Gearbox GA6HP26Z 7566901 WARRANTY

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Mercedes W907 Automatic Gearbox 722908 722.908 A9072700200 A9072701000 WARRANTY

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