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.
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Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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Ford Transit Battery Charge Electrical Machine Control Module Unit DK3T10B728AA
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Rain Sensor Mercedes W211 W219 Windscreen Control Unit Module A2118701585
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BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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BMW 1 Series E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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BMW 1 3 Series E81 E87 E87N E90 E91 Radio BMW Business CD 65129141682 9141682
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BMW 3 Series E91 E91N LCI Antenna Amplifier Diversity Unit 868 MHZ 6934846
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BMW 1 3 Series E87 E90 LCI CIC Sat NAV Screen Navigation Professional 9222861
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Mini One R50 W10 90HP Engine Control Unit ECU DME 7545789 Manual Transmission
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Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A
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Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
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BMW Mini R55 R56 R60 Electronic Components Daytime Running Lights LED 2348833
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Kia Ceed Sportage Hyundai Relay Unit 5 Pins 30/20A Blue 95225-1F100
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Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A
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Mercedes W246 Air Module Control Unit ECU Module A2469000709
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BMW 7 Series E65 E66 E67 Telephone Navigation Adapter 6938360
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Mini Cooper One R50 R53 Radio Boost CD Player Unit Head 6921965
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Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
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Mercedes W164 W251 Air Suspension Level Control Unit Module Airmatic A2515454132
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Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9341078
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Door Module Mercedes W169 W245 Control Unit Front Right O/S A1699000400
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Air Bag Module BMW E65 E66 Sensor Rear Seat Airbag Control Unit ECU 6960226
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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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BMW E60 E87 E90 120d 177 HP N47 ECU Engine Control Unit DDE 8506374 Manual
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600076 + CAS3 + Key Manual
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BMW F31 Diesel Engine Alternator Generator 220A Valeo N57D30A 8509226
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BMW X3 E83 Z4 E85 Wiring Seat Occupancy Cable 6927572
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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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Renault Clio Megane Scenic Diesel Engine Starter Motor 233003329R
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Ford Mondeo Mk4 Battery Terminal Cable Wiring Connecting 8G9T-14A280
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BMW Mini Cooper R55 R56 LCI N47N 1.6 Diesel Engine ECU Kit DDE CAS 3 Key 8519663
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Electronics Charging Module BMW E81 E87 E90 Hands Free Charging MULF 6969268
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Renault Master III Engine Alternator Mounting Bracket Carrier 8200803443
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Volkswagen New Beetle 1.9 TDI BSW Engine Starter Motor 02A911024D
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Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8W1959592
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Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key + Lock
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BMW F10 520d F20 120d F30 320d N47N 184HP Engine Unit ECU DDE 8578995
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Audi A5 8T Head Unit Multimedia Screen Display CarPlay Infotainment Unit
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Mercedes W205 Control Unit Power Distribution Box Electrical A0009060086
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ECU Mercedes W124 E280 M103.940 Engine Control Unit Automatic Jetronic
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Audi A5 8T Display Screen Dashboard Multifunction Monitor Unit 8T0919604A
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Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0055421918
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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BMW X5 E39 E53 Steering Column Wiper Switch Stalk 8375408
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BMW 5 7 Series E61 E61N LCI E65 Air Suspension Supply Control Unit 6784314
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Mercedes W204 W212 C218 Sound Audio Amplifier Harman Becker A2128700194
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Mercedes W221 Fuse Box Front SAM Module Relay Control Unit A2215402862
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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VW Polo 4 9N 1.4 TDI Seat Skoda Diesel Engine Alternator Generator 045903023A
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Volkswagen Golf 7 Audi A1 A3 Seat Ibiza Petrol Engine Starter Motor 02M911024J
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BMW X3 F25 Hifi System Audio Sound Amplifier AMP Module Unit 9348411
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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Mini Countryman R60 Footwell Light Control Module LOW ECU PL3 FRM III 3456986
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
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Alternator BMW F10 F13 F07GT F02 Petrol N63 Alternator valeo 230A 7603779
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Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
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Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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BMW E87 Front Bumper PDC Wiring Loom Cable Harness Parking Sensors 7837455
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BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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Ford Transit Fuse Box Cover Housing Lid Trim Cap 6C1T14A076C
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Peugeot 3008 Bluetooth Module Multimedia Control Unit ECU 9675359580
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Denso DSN967
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129008007
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
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BMW 5 E60 E61 Wiring Loom Harness Co-Drivers Passengers Side 6982360
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Renault Master III Radio CD Player Bluetooth Head Unit USB MP3 281156951R
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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BMW Z4 E89 Roadster HiFi Speaker Sound System Amplifier AMP Unit 9118032
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Skoda Octavia 5E MMI Multimedia Interface Unit Module Control ECU 5E0035842A
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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 .