Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 7579142-18
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
Product currently unavailable
Part no. 4F0907289N
Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
Product currently unavailable
Part no. 3457428-2
BMW Mini Cooper R56 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
Product currently unavailable
Part no. A0025424019
Mercedes W906 W907 Cut Off Electric Relay Module Wiring Cable A0025424019
Product currently unavailable
Part no. A2055405626
Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
Product currently unavailable
Part no. A2079014200
Airbag Module Mercedes W207 C207 Coupe Air Bag SRS Control Unit ECU A2079014200
Product currently unavailable
Part no. 6904012
BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
Product currently unavailable
Part no. 6922720-1
BMW 3 5 7 X5 E38 E39 E46 E53 GPS Navigation System Computer Unit 6922720 DAMAGE
Product currently unavailable
Part no. 7577968-3
BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual
Product currently unavailable
Part no. A0025428918
Mercedes-Benz C M Class W163 W203 ESP Yaw Rotation Rate Sensor A0025428918
Product currently unavailable
Part no. 02T911023R
VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
Product currently unavailable
-5%
Part no. 8385157-1
BMW X3 3 Series E46 E83 LCI 1 Start Point Housing Bracket Base B 8385157
Product currently unavailable
Part no. 281006430084
Toyota RAV4 Diesel Starter Motor Engine Actuator DENSO 28100-64300-84
Product currently unavailable
-15%
Part no. 237104376R
Mercedes Citan W415 109 CDI OM607.951 Engine Control Unit ECU 237104376R Manual
Product currently unavailable
Part no. 4G8971365M
Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
Product currently unavailable
Part no. 9225771
BMW Z4 Series E89 Front Bumper PDC Loom Cables Wiring Set 9225771
Product currently unavailable
Part no. A0009063000
Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
Product currently unavailable
Part no. A2139002022
Door Module Mercedes W213 C238 Front Left N/S Control Unit ECU A2139002022
Product currently unavailable
Part no. A2038700026
Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026
Product currently unavailable
-40%
Part no. A6461503272
Mercedes W211 E220 CDI 646.821 170HP Engine Unit ECU Kit A6461503272 Key Lock
Product currently unavailable
Part no. 7856775
Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 5-8 Loom Valve Ignition 7856775
Product currently unavailable
Part no. A2049005112-1
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112
Product currently unavailable
Part no. A2059003729
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059003729
Product currently unavailable
Part no. A0111546402
Mercedes W163 CL203 W203 Petrol Alternator Generator Valeo 120A A0111546402
Product currently unavailable
Part no. A0061519801
Mercedes W204 W212 W251 Starter Motor 642872 Diesel Engine Starter A0061519801
Product currently unavailable
Part no. A9064401241
Mercedes Sprinter W906 Battery Alternator Starter Wiring Harness A9064401241
Product currently unavailable
Part no. A0009067900-2
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
Product currently unavailable
Part no. 8655106
Mini F56 B38 1.5 136HP Petrol Engine ECU Module DME 8655106 Manual
Product currently unavailable
Part no. 3450938
BMW Mini Cooper One R56 Footwell Light Module LOW ECU PL3 FRM II 3450938
Product currently unavailable
Part no. 9159047-1
BMW X5 X6 E70 E71 CCC CD Professional Navigation System Controller 9159047
Product currently unavailable
Part no. 9237082
BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082
Product currently unavailable
Part no. 8T2035666D
Audi A5 8T CD Player Radio Multimedia MMI Head Unit ECU 8T2035666D
Product currently unavailable
Part no. 6939712
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6939712
Product currently unavailable
Part no. 03L906023M-1
Audi A3 8P 1.6 TDI 105HP CAYC Diesel Engine ECU Kit 03L906023M 2 Keys Manual
Product currently unavailable
Part no. A2129014606
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
Product currently unavailable
Part no. A6461506372
Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
Product currently unavailable
Part no. A1719000100
Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000100
Product currently unavailable
Part no. 7553166-5
BMW E60 E90 E91 N52 325i 525i 218HP Engine Control Unit ECU DME 7553166 Manual
Product currently unavailable
Part no. A0009063705
Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705
Product currently unavailable
Part no. 7540686
BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 7540686 Automatic
Product currently unavailable
Part no. 6989245-WB
BMW 5 X3 Series E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
Product currently unavailable
Part no. 8510221-12
BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Kit DDE 8510221 CAS3 Key Manual
Product currently unavailable
Part no. A2075406010
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
Product currently unavailable
Part no. 7542529
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
Product currently unavailable
Part no. A1635450016
Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
Product currently unavailable
Part no. A2049000607
Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607
Product currently unavailable
Part no. CC1112A650AC
Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual CC1112A650AC
Product currently unavailable
Part no. 7067801
BMW E46 E64 Front Seat Module Control Unit Memory 7067801
Product currently unavailable
Part no. 6942461
BMW 3 Series E91 E92 E93 Hifi Speaker Tweeter Rear 6942461
Product currently unavailable
Part no. 4G0035061N
Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
Product currently unavailable
Part no. 4G0907468AC
Audi A6 C7 Central Gateway Control Unit Module Relay ECU 4G0907468AC
Product currently unavailable
Part no. 9145102-1
Dashboard Screen BMW E60 E90 Dash Onboard Monitor Display 8.8" CCC 9145102
Product currently unavailable
Part no. 6930204
BMW E60 E63 E64 E65 PDC Parking Control Module Unit ECU 6930204
Product currently unavailable
Part no. 5Q0959655N
Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655N
Product currently unavailable
Part no. 05E907309-3
Volkswagen Golf VII 5G 1.5 TSI DACA 130HP Engine Control ECU 05E907309 Automatic
Product currently unavailable
Part no. 6933238
BMW E46 E53 Side Air Module Control Unit ECU Module 6933238
Product currently unavailable
-40%
Part no. 059911021G
Motor Starter Audi A7 4G Q5 8R 3.0TDI Diesel Engine Starter Unit 059911021G
Product currently unavailable
Part no. 6957140
BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6957140
Product currently unavailable
Part no. 7836163
BMW E60 E61 LCI M5 E63 M6 Generator Oil Pump Cable Harness Wiring
Product currently unavailable
Part no. A2098200789
Mercedes CLK A209 Convertible Antenna Amplifier Module A2098200789
Product currently unavailable
Part no. 6942638
BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638
Product currently unavailable
Part no. 6988086
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
Product currently unavailable
Part no. 9187539-1
BMW 1 Series E87 ECU Body Control Module H2 Junction Box PL2 JBBFE II 9187539
Product currently unavailable
Part no. 1K0953549AF
VW TOURAN 1T Steering Angle Steering Wheel Column Control Module ECU 1K0953549AF
Product currently unavailable
Part no. A1635457932
Mercedes ML W163 Transfer Box Control Unit Module ECU A1635457932
Product currently unavailable
Part no. 5A38AB8
BMW G20 G80 G82 Amplifier Harman Kardon Booster Audio ECU Unit Module 5A38AB8
Product currently unavailable
Part no. 4L0915181
Audi Q7 4L Power Supply Battery Control Module Unit 4L0915181
Product currently unavailable
Part no. 03C906024CN
VW Polo 6R 1.4 CGGB 85HP Engine Control Unit ECU Kit 03C906024CN Manual
Product currently unavailable
Part no. 4G8971095C
Audi A7 4G PDC Sensor Wiring Loom Harness Cable Front Bumper 4G8971095C
Product currently unavailable
Part no. 8595284
Engine Wiring BMW F20 F30 LCI 118d 318d 120d 320d B47 Loom Harness Cable 8595284
Product currently unavailable
Part no. 6823594
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 6823594
Product currently unavailable
-5%
Part no. 7799470
Wiring Bracket BMW E60 E61 X3 E83 Diesel Engine Harness Cable Loom Mount 7799470
Product currently unavailable
Part no. 9348286
BMW 5 F10 F11 Battery Cable Wiring Harnes Lead Positive Underfloor 9150990
Product currently unavailable
Part no. 4N0959651D
Audi Q5 FY Crash Impact Sensor Unit Module Left Right N/O/S 4N0959651D
Product currently unavailable
Part no. A0009062722-1
Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
Product currently unavailable
-40%
Part no. A2039000100
Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2039000100
Product currently unavailable
Part no. 9247386
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9247386
Product currently unavailable
Part no. 9268752
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
Product currently unavailable
Part no. 8510591-2
BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Manual
Product currently unavailable
Part no. 9314634
Mini Cooper F54 F55 F56 F60 HSD Line Cable Wire HU - CID 9314634
Product currently unavailable
Part no. A0009004810
Adblue Module Mercedes W205 W222 C253 Exhaust Gas Control Unit ECU A0009004810
Product currently unavailable
Part no. A0345459432
Mercedes CL C215 W220 Sam Control Module Fuse Box Unit A0345459432
Product currently unavailable
Part no. 8512292
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual
Product currently unavailable
Part no. 5C0959655B
Volkswagen Golf Mk6 VI Air Module Control Unit ECU 5C0959655B
Product currently unavailable
Part no. A2229002710
Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
Product currently unavailable
Part no. A6399005400-1
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
Product currently unavailable
Part no. 7648190-1
Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
Product currently unavailable
Part no. 9205278
BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
Product currently unavailable
Part no. A6421509177
Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key
Product currently unavailable
Part no. 8588946-1
BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Automatic
Product currently unavailable
Part no. A0285454032
Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
Product currently unavailable
Part no. 3456051-4
Mini Cooper R56 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
Product currently unavailable
Part no. 9813620
MINI Countryman R60 Control Unit Fuse Distribution Box SPEG High 9811672
Product currently unavailable
Part no. 8518423
Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
Product currently unavailable
Part no. 03D971595CJ
VW Volkswagen Fox 5Z 1.2 CHFB Engine Wiring Loom Harness Cable Loom 03D971595CJ
Product currently unavailable
-5%
Part no. 7356250
BMW E92 LCI Coupe Mini R56 R57 Xenon Headlight Ballast Headlamp Control 7356250
Product currently unavailable
Part no. 6950525-2
4 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
Product currently unavailable
Part no. 7592529
BMW F20 F23 F11 N55 Engine Wiring Harness Motor Adapter Sensor System 2 7592529
Product currently unavailable
Part no. 7577664
BMW E60 E61 LCI 550i N62N 367HP Engine Unit Module ECU DME 7577664 Manual
Product currently unavailable
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .