Automatic gearboxes
More informationAt 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.
Make
Category
Subcategory
Differentials and parts
Condition
In Stock
Price
Fuel type
Gearbox type
Part no. 8680406
BMW X3 F25 F26 35dX F30 F31 F32 335dX 435dX Automatic Gearbox GA8HP70X WARRANTY
£522.95
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. 7581582
BMW X5 E70 3.0d M57N2 Automatic Auto Gearbox GA6HP26Z 7576111 7581582 WARRANTY
£569.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 9487562
Automatic Gearbox BMW F30 F31 F32 F34 320i 420i Petrol N20 GA8HP45Z WARRANTY
Promo price
£417.95
£355.26
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7566911
BMW E92 N52N E93 N53 325i Automatic Auto Gearbox GA6HP19Z WARRANTY
Promo price
£284.95
£242.21
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 8623595
BMW F30 F33 320d N47N Automatic Auto Gearbox 8623595 GA8HP45 WARRANTY
Promo price
£322.95
£274.51
Free delivery: Jul 02
If paid before 14:00
-10%
Part no. A9072700200
Mercedes W907 Automatic Gearbox 722908 722.908 A9072700200 A9072701000 WARRANTY
Promo price
£313.95
£282.56
Free delivery: Jul 3 – 10
If paid before 14:00
-10%
Part no. A2112703300
Mercedes W203 W204 W211 W212 C209 Kompressor Automatic Gearbox 722695 WARRANTY
Promo price
£332.95
£299.66
Free delivery: Jul 3 – 10
If paid before 14:00
-5%
Part no. 1439112
BMW X5 Series E53 Automatic Transmission Gearbox Cooling Heat Exchanger
Promo price
£13.95
£13.25
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A2122708401
Automatic Gearbox Mercedes W204 W211 W212 722902 722.902 2122702302 WARRANTY
Promo price
£370.95
£315.31
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. A2042705601
Automatic Gearbox Mercedes W204 C207 W212 722997 722.997 2042702705 WARRANTY
£427.95
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. A2042707102
Mercedes W204 W212 W221 Automatic Gearbox 722908 722.908 A2042704005 WARRANTY
£427.95
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A1693702400
Mercedes W169 W245 A150 A160 B150 B160 Automatic Gearbox 722801 722.801 WARRANTY
Promo price
£1,234.95
£1,049.71
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A2463704102
Mercedes-Benz W176 W246 7-Speed Automatic Dual Clutch Gearbox 724020 WARRANTY
Promo price
£569.95
£484.46
Free delivery: Jul 02
If paid before 14:00
Part no. 7566901
BMW E90 E91 Diesel 335d M57N2 Automatic Auto Gearbox GA6HP26Z 7566901 WARRANTY
£569.95
Free delivery: Jul 02
If paid before 14:00
Part no. 7590130
BMW 5 Series E60 E61 LCI 520d N47 Automatic Gearbox GA6HP19Z 7590130 WARRANTY
£427.95
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. A2122702700
Mercedes W204 C63 W212 E63 AMG Automatic Gearbox 722930 A2122709201 WARRANTY
£1,899.95
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7571673
BMW E81 E87 E90 116i 316i N45N N43 Automatic Gearbox 7571673 7592525 WARRANTY
Promo price
£284.95
£242.21
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7556842
BMW E65 730d M57N2 Automatic Auto Gearbox 7556842 7556541 GA6HP26Z WARRANTY
Promo price
£522.95
£444.51
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 9469341
BMW F20 F21 F30 F31 118i 318i B38 Automatic Gearbox GA8HP50Z WARRANTY
Promo price
£427.95
£363.76
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7590128
Automatic Gearbox BMW E90 E91 E92 335d M57N2 GA6HP26Z 7590128 7631055 WARRANTY
Promo price
£712.95
£606.01
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7630958
Automatic Gearbox BMW E81 E87 LCI E88 123d Auto GA6HP19Z 7590122 WARRANTY
Promo price
£332.95
£283.01
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 9810013
Automatic Gearbox Mini Cooper D SD ALL4 R60 R61 2.0 GA6F21WA 9810013 WARRANTY
Promo price
£1,139.95
£968.96
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7853545
BMW F80 M3 F82 F83 M4 F87 M2 Twin Clutch Gearbox Drivelogic GS7D36SG WARRANTY
Promo price
£949.95
£807.46
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 8681113
Automatic Gearbox BMW F20 F21 116i 118i F30 316i N13 GA8HP45 8614210 WARRANTY
Promo price
£474.95
£403.71
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7581581
BMW E60 E61 E63 LCI 535d 635d M57N2 Automatic Gearbox GA6HP26Z 7581581 WARRANTY
Promo price
£664.95
£565.21
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A6392703500
Mercedes W639 Automatic Gearbox 722686 722.686 A6392703500 WARRANTY
Promo price
£1,662.95
£1,413.51
Free delivery: Jul 02
If paid before 14:00
-10%
Part no. 8609951
BMW X1 E84 Automatic Gearbox 18dX 20dX Diesel N47N GA8HP45X 8609951 WARRANTY
Promo price
£303.95
£273.56
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7642246
BMW F20 F30 116d 118d 316d 318d N47N Automatic Gearbox GA8HP45Z 7642246 WARRANTY
Promo price
£360.95
£306.81
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7630967-1
BMW E90 E91 LCI 320d N47N Automatic Gearbox 7630967 7601244 GA6HP21Z WARRANTY
Promo price
£379.95
£322.96
Free delivery: Jul 02
If paid before 14:00
-10%
Part no. A2042701806
Automatic Gearbox Mercedes W204 C207 W212 722995 722.995 2042701706 WARRANTY
Promo price
£332.95
£299.66
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 8623514
Automatic Gearbox BMW F10 F11 520d Diesel N47N 8623514 Auto GA8HP45Z WARRANTY
Promo price
£474.95
£403.71
Free delivery: Jul 02
If paid before 14:00
Part no. 7590134
BMW E90 E91 E92 325d M57N2 Automatic Gearbox GA6HP19Z 7590134 WARRANTY
£569.95
Free delivery: Jul 3 – 10
If paid before 14:00
-10%
Part no. 8601719
BMW F30 F31 320ix N20 Automatic Gearbox GA8HP45X 7647310 8601719 WARRANTY
Promo price
£284.95
£256.46
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. A2463708101
Mercedes W176 W246 Automatic Dual Clutch Gearbox 724003 A2463702102 WARRANTY
£902.95
Free delivery: Jul 02
If paid before 14:00
Part no. A2112704202
Mercedes W204 W211 W212 Automatic Gearbox 722902 722.902 A2042700003 WARRANTY
£379.95
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 8601701
Automatic Gearbox BMW F30 F31 F34 320i 420i Petrol N20 8601701 GA8HP45Z WARRANTY
Promo price
£474.95
£403.71
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7559337
BMW 5 Series E60 E61 520d 6 Speed Manual Lower Gear Linkage Selector Bar 755933
Promo price
£18.95
£16.11
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A2122708008
Automatic Gearbox Mercedes W204 W212 W221 722908 722.908 A2122708009 WARRANTY
Promo price
£379.95
£322.96
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 9487561
Automatic Gearbox BMW F10 528i F20 125i F30 328i N20 GA8HP45Z 8618877 WARRANTY
Promo price
£455.95
£387.56
Free delivery: Jul 02
If paid before 14:00
Part no. A2042703100
Mercedes W204 C209 W212 Automatic Gearbox 722999 722.999 A2042701300 WARRANTY
£284.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7642069
Automatic Gearbox BMW X3 F25 20dX Diesel N47N 7642069 Auto GA8HP45X WARRANTY
Promo price
£949.95
£807.46
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. A7252707314
Mercedes W213 Automatic Gearbox 725008 725.008 2132705101 A7252707314 WARRANTY
Promo price
£712.95
£606.01
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A2512707000
Mercedes W251 Automatic Gearbox 722902 722.902 A2512706900 WARRANTY
Promo price
£664.95
£565.21
Free delivery: Jul 02
If paid before 14:00
Part no. A2463708902-1
Mercedes W176 W246 Automatic Dual Clutch Gearbox 724.002 2463708902 WARRANTY
£731.95
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7590301
BMW X5 E70 3.0sd X6 E71 35dX M57N2 Automatic Gearbox GA6HP26Z 7590300 WARRANTY
Promo price
£569.95
£484.46
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7853540
BMW F80 M3 F82 F83 M4 Twin Clutch Gearbox Drivelogic GS7D36SG 7853533 WARRANTY
Promo price
£816.95
£694.41
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7581580
BMW X5 E70 3.0sd M57N2 Diesel Automatic Gearbox GA6HP26Z 7581580 WARRANTY
Promo price
£664.95
£565.21
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7630949
Automatic Gearbox BMW X1 E84 18dX 20dX Diesel N47 GA6HP19X 7630949 WARRANTY
Promo price
£474.95
£403.71
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 8687818
Mechatronics Automatic Gearbox BMW F10 F11 535d F13 640d N57Z GA8HP70Z 8687818
Promo price
£284.95
£242.21
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. 7581583
BMW E60 E61 LCI 530d M57N2 Automatic Gearbox GA6HP26Z 7581583 7576114 WARRANTY
£664.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 8638730
Automatic Gearbox BMW F30 F31 335i F32 435i N55 GA8HP45 8638730 WARRANTY
Promo price
£902.95
£767.51
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7571229
BMW E60 E90 330d 530d M57N2 Mechatronics Control Unit Automatic Gearbox GA6HP26Z
Promo price
£398.95
£339.11
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 8638262
BMW F20 F21 M135i F13 640i N55 Automatic Gearbox 8638262 GA8HP45 ZAJ WARRANTY
Promo price
£360.95
£306.81
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7616518
Automatic Gearbox BMW F10 F11 520d Diesel N47N 7616518 Auto GA8HP45Z WARRANTY
Promo price
£522.95
£444.51
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A1712706000
Automatic Gearbox Mercedes W204 W211 W212 722906 722.906 A1712705400 WARRANTY
Promo price
£522.95
£444.51
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. A2122706009
Mercedes W204 W212 W221 Automatic Gearbox 722908 722.908 2122704309 WARRANTY
£474.95
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 5A2A770
Mini Countryman F60 ALL4 B38X Automatic Gearbox 9455264 GA6F21AW WARRANTY
Promo price
£854.95
£726.71
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. 7563427
BMW E60 E63 550i 650i N62N Automatic Gearbox GA6HP26Z 7556968 7563427 WARRANTY
£949.95
Free delivery: Jul 02
If paid before 14:00
Part no. 0CJ300042B
AUDI A5 F5 2.0 TFSI Quattro Automatic Gearbox S-Tronic SUY 0CJ300042B WARRANTY
£1,424.95
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. A2052706601
Mercedes W204 W205 W212 Automatic Gearbox 722908 722.908 A2052705601 WARRANTY
£474.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 0B5300058S
Audi A5 8T 2.0 TFSI Quattro Automatic Gearbox DSG PJW 0B5300058S WARRANTY
Promo price
£1,277.95
£1,086.26
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. 7573542-3
BMW Mini Cooper R50 R52 W10 Automatic Gearbox Transmission Housing Assembly
£94.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7643203
BMW X3 F25 F30 F31 330dX N57N Automatic Auto Gearbox GA8HP70X 7643203 WARRANTY
Promo price
£569.95
£484.46
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A1662705400
Automatic Gearbox Mercedes X164 W166 4Matic 722903 722.903 A1662705400 WARRANTY
Promo price
£569.95
£484.46
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 8651132-1
Electric Gearbox BMW i3 I01 Gear E-Transmission 8648163 GE1B132H WARRANTY
Promo price
£360.95
£306.81
Free delivery: Jul 02
If paid before 14:00
Part no. 9423614
Automatic Gearbox BMW F45 F46 218d B47 GA8F22AW 9423614 WARRANTY
£2,754.95
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. A2042704101
Mercedes W204 Automatic Gearbox 722618 722.618 2122707200 WARRANTY
£550.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 8678661
Automatic Gearbox BMW F20 F30 F31 LCI 120d 320d B47 8678661 GA8HP50Z WARRANTY
Promo price
£664.95
£565.21
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 8614208
Automatic Gearbox BMW F30 F31 F34 320i Petrol N20 GA8HP45Z 8614208 WARRANTY
Promo price
£427.95
£363.76
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 7566249
BMW E90 E91 E92 E93 325i N52N Automatic Auto Gearbox 7581877 GA6L45R WARRANTY
Promo price
£598.95
£509.11
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 9810011
Mini Cooper S N18 ALL4 R60 R61 Auto Automatic Gearbox GA6F21WA 9810011 WARRANTY
Promo price
£854.95
£726.71
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7582257
Automatic Gearbox BMW E81 E82 E87 LCI 123d Auto GA6HP19Z 7582257 WARRANTY
Promo price
£564.95
£480.21
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 0CK300043B
Audi A4 B9 A5 F5 2.0 TDI Automatic Gearbox S-Tronic SJS 0CK300043B WARRANTY
Promo price
£2,089.95
£1,776.46
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. A2042706902
Automatic Gearbox Mercedes W204 C207 W212 722997 722.997 A2042702905 WARRANTY
Promo price
£807.95
£686.76
Free delivery: Jul 02
If paid before 14:00
Part no. 9423619
BMW X1 F48 X2 F39 20d Mini F60 B47 Automatic Gearbox GA8F22AW 8488919 WARRANTY
£2,564.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7640094
BMW F20 116i 118i Petrol N13 Automatic Gearbox GA8HP45Z 7640094 WARRANTY
Promo price
£664.95
£565.21
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. 0B5300061J
Audi RS4 B8 4.2 V8 FSI CFSA Quattro Automatic Gearbox PXL 0B5300061J WARRANTY
£1,567.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 8638282
BMW F30 F31 F32 F36 320ix 420ix N20 Automatic Gearbox GA8HP45X 8632473 WARRANTY
Promo price
£474.95
£403.71
Free delivery: Jul 02
If paid before 14:00
Part no. A1693701106-1
Mercedes W169 Mechatronics Control Unit Automatic Gearbox 722801 A1693700606
£759.95
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 0BH300012Q
Audi Q3 8U 2.0 TDI DFTA Quattro Automatic Gearbox DSG QYQ 0BH300012Q WARRANTY
Promo price
£1,092.95
£929.01
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7524781
Mini Cooper S N14 R55 R56 R57 6 Speed Automatic Gearbox GA6F21WA - ANB WARRANTY
Promo price
£854.95
£726.71
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A7252704412
Mercedes W205 Automatic Gearbox 725018 725.018 A2052705902 WARRANTY
Promo price
£569.95
£484.46
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. A2042705305
Automatic Gearbox Mercedes W204 C207 W212 722906 722.906 2042703205 WARRANTY
Promo price
£427.95
£363.76
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 0B6300035N
AUDI S5 8T 4.2 V8 CAUA Quattro Automatic Gearbox KWR 0B6300035N WARRANTY
Promo price
£1,234.95
£1,049.71
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7638363
BMW F10 520i F20 125i F30 328i N20 Automatic Gearbox GA8HP45Z 8632475 WARRANTY
Promo price
£474.95
£403.71
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. RHD-W221-S65-SPEEDO
Mercedes S65 W221 AMG Petrol Instrument Cluster Speedo Meter Automatic
Promo price
£427.95
£363.76
Free delivery: Jul 02
If paid before 14:00
Part no. LR071402
Land Rover Discovery 4 L319 3.0 V6 4x4 Automatic Gearbox 8HP70 LR071402 WARRANTY
£1,234.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. A1712707200
Mercedes W203 W204 W211 W212 R171 Automatic Gearbox 722999 A1712706900 WARRANTY
Promo price
£503.95
£428.36
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7564644
BMW Z4 E85 N52 2.5i 2.5si 3.0i Automatic Gearbox GA6HP19Z 7564644 WARRANTY
Promo price
£389.95
£331.46
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 0CJ300041T
Audi Q5 FY 2.0 TFSI Petrol Quattro Automatic Gearbox DSG SUW 0CJ300041T WARRANTY
Promo price
£997.95
£848.26
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7556840
BMW E65 E66 740i N62N Automatic Gearbox GA6HP26Z 7556840 WARRANTY
Promo price
£807.95
£686.76
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. A2042709202
Automatic Gearbox Mercedes W204 W211 W212 722903 722.903 A2042704305 WARRANTY
Promo price
£436.95
£371.41
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. A1642701601
Mercedes-Benz ML W164 Automatic Gearbox 722902 722.902 A1642700301 WARRANTY
Promo price
£550.95
£468.31
Free delivery: Jul 02
If paid before 14:00
Part no. 7525323-1
BMW X5 E53 3.0i M54 Automatic Gearbox Transmission A5S 390R-YZ 7525323 WARRANTY
£664.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. A2132700202
Automatic Gearbox Mercedes W213 C238 4MATIC 725045 725.045 A2132700103 WARRANTY
Promo price
£1,614.95
£1,372.71
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 7642301
Automatic Gearbox BMW F30 F31 320i Petrol N20 GA8HP45Z 7638365 WARRANTY
Promo price
£379.95
£322.96
Free delivery: Jul 02
If paid before 14:00
-15%
Part no. 09D300036J
Volkswagen Touareg 7L 3.2 V6 Automatic Transmission GLJ 09D300036J WARRANTY
Promo price
£712.95
£606.01
Free delivery: Jul 3 – 10
If paid before 14:00
Part no. 0CW300027N
Skoda Karoq Mk1 2.0 TDI Automatic Gearbox DSG UYW 0CW300027N WARRANTY
£902.95
Free delivery: Jul 3 – 10
If paid before 14:00
-15%
Part no. 0AM300060A-1
Audi A1 8X 1.4 TFSI CTHG Automatic Gearbox S-Tronic PMP 0AM300060A WARRANTY
Promo price
£797.95
£678.26
Free delivery: Jul 3 – 10
If paid before 14:00
Top-class automatic transmissions – smooth driving in all conditions
Innovative solutions in automatic transmissions - reliability that gives you an advantage on the road
Automatic transmissions are technologically advanced drivetrain components that ensure smooth gear shifting without the need for manual operation. They make driving more comfortable and efficient, both in city traffic and on long journeys. In the Global Parts automotive store, you will find a wide selection of used car parts, including automatic transmissions, ideal for brands such as BMW, Audi, Mercedes, Volkswagen, Mini, and others. According to the detailed definition, an automatic transmission (AT) is an assembly of planetary gears, hydraulic clutches, a torque converter, and a control module (mechatronics). Its task is to automatically select gear ratios, which affects driving smoothness and optimizes fuel consumption. Notable types include classic transmissions (hydraulic), CVT (continuously variable), DSG/S tronic (dual-clutch), and Tiptronic (with manual shifting capability).
What functions do automatic transmissions perform?
Automatic transmissions are complex devices that perform key functions in a vehicle's drivetrain:
- Automatic gear shifting – The transmission adjusts gear ratios to driving conditions, ensuring optimal use of engine power.
- Improved driving comfort – By shifting gears smoothly, it eliminates the need for manual clutch and gear lever operation.
- Fuel economy – Modern automatic transmissions adjust gear ratios to optimize fuel consumption.
- Integration with other vehicle systems – The automatic transmission works with safety systems such as ESP or cruise control, increasing stability and driving comfort. Examples of applications:
- The Mercedes Sprinter 906 was equipped with NAG1 (722.6) and 7G-Tronic (722.9) transmissions, depending on the CDI engine version.
- The Audi A6 Quattro often featured 6- and 8-speed Tiptronic transmissions, matched to the all-wheel-drive system.
Construction and purpose of automatic transmissions
Automatic transmissions are assemblies mounted between the engine and the drivetrain, responsible for transmitting torque and selecting gear ratios without driver intervention. A typical construction includes a housing, a converter or clutches, a gear set, hydraulic controls, and electronics. When selecting a unit, the OEM number, transmission type, fuel type, and interchangeable numbers available in the product offer are of great importance.
Comparison of popular automatic transmission types
| Transmission type | Construction | Operating characteristics | What to check before selection |
|---|---|---|---|
| Classic AT | Torque converter, planetary gears, hydraulics, and control | Smooth gear shifting, good compatibility with more powerful engines | OEM number, transmission code, engine version, and mounting type |
| DSG / S tronic | Dual clutch, mechatronics, automated gearbox | Fast response and short shift times | Controller compatibility, accessories, and software version |
| CVT | Continuously variable system with belt or chain and hydraulic control | Very smooth acceleration without classic gear steps | Fuel type, variant code, and compatibility with half-shafts |
| Tiptronic | Hydraulic automatic with manual gear selection function | Combines automatic convenience with driver control | Vehicle version, selector control, and drivetrain compatibility |
Why is it worth taking care of automatic transmissions?
Malfunction or neglect of automatic transmission maintenance can lead to serious drivetrain problems. Typical symptoms of failure include:
- Jerking during gear changes – May indicate problems with the torque converter or worn transmission fluid.
- Delays in gear shifting – Point to possible damage to the mechatronics or hydraulic transmission components.
- Noise and vibration – Mechanical problems in the transmission can cause disturbing sounds during operation.
- Transmission fluid leaks – Leaks in the transmission can lead to reduced performance and serious damage. At Global Parts, we offer used automatic transmissions that have undergone detailed quality tests, ensuring their durability and reliability.
The role of mechatronics and associated components
Mechatronics is an integrated module combining electronic control with transmission hydraulics. It is responsible for gear selection, operating pressure, and communication with other vehicle systems. For parts such as mechatronics 6hp19, it is worth comparing the OEM number, variant designation, and compatibility with the controller and wiring harness, as well as checking related components such as transmission control units and transmission sensors.
How to choose the right automatic transmission?
When choosing automatic transmissions, you should pay attention to several key aspects:
- Matching the vehicle model – Every drivetrain has its specific technical requirements. At Global Parts, you will find automatic transmissions perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and others.
- Technical condition – Used transmissions should be free from mechanical damage and leaks, and their hydraulic and electrical components should be fully functional.
- Transmission type – Choose the appropriate transmission type (classic automatic, CVT, DSG, Tiptronic) depending on the vehicle's equipment. Compatibility can be confirmed based on the OEM number or the vehicle's VIN. For example, the 722.6 transmission used in the Sprinter 906 came in many variants, differing in gear ratios and software. Therefore, matching it to the specific engine version and production year is always crucial.
Selection by markings, accessories, and vehicle version
When selecting elements for a version such as ga6hp19z, it is good to verify the transmission code, fuel type, and compatibility with the selector and half-shafts. An automatic transmission is used to transfer drive in a strictly defined configuration, which is why interchangeable numbers and vehicle equipment are also important. When choosing, related categories such as torque converters and oil coolers and lines are often helpful.
Why choose used automatic transmissions?
Used car parts, such as automatic transmissions, are a practical solution that allows for savings while maintaining high quality. By choosing used automatic transmissions, you gain:
- Lower costs – Used transmissions are significantly cheaper than new ones but offer equally high quality.
- Ecology – Recycling car parts supports environmental protection and reduces waste.
- Wide selection – In our store, you will find automatic transmissions for the most popular car brands.
Practical symptoms and verification scope before installation
The torque converter is an intermediary element between the engine and the transmission that enables starting and smooth torque transfer without a classic clutch. When vibrations, delays when starting, or irregular gear changes occur, it is worth checking not only the transmission itself but also the accessories and mounts. When choosing an element like BMW E90 320d transmission, it is crucial to compare the OEM part number, housing type, connectors, and compatibility with drivetrain accessories.
How to take care of automatic transmissions?
To ensure automatic transmissions work reliably for a long time, it is worth following a few rules:
- Regularly change the transmission fluid and filters according to the manufacturer's recommendations to ensure proper lubrication and system cleanliness.
- Avoid overloading the vehicle, especially when driving with heavy loads, to prevent transmission overheating.
- Monitor any symptoms of malfunction, such as noise, vibration, or delays in gear shifting, and respond to them in a timely manner. If a replacement is needed, at Global Parts you will find suitable used auto parts that will restore full functionality to your drivetrain. The selection process can also be supplemented by the guide Why it is worth buying used transmissions and engines – facts instead of myths, which describes practical rules for verification by VIN and OEM number.
FAQ
| Question | Answer |
|---|---|
| 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. |
Summary: automatic transmissions at the Global Parts automotive store
Automatic transmissions are technologically advanced components that ensure comfort and driving smoothness in all conditions. The Global Parts offer includes used components matched to cars from brands such as BMW, Mercedes, Audi, and others, and you can rely on the OEM number, interchangeable numbers, and vehicle data when choosing. 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.