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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Mercedes W205 GLC X253 Distronic Radar Sensor Control Unit Module A0009059013
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Denso DSN967
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BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416
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Jaguar XF X250 3.0 D AJV6D Engine Control Unit ECU 9X2Q12A650PAD Automatic
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BMW E60 E90 330d 530d M57N2 ECU Engine KIT DDE 7803369 CAS3 + Key
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Mercedes W203 C200 Kompressor M271.940 163HP Engine ECU A2711534691 Automatic
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Piaggio X8 X9 Vespa Granturismo Immobilizer Module Control Unit CDI 58054R
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Mini R56 LCI R60 143HP 2.0 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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BMW G20 G21 G30 G11 X3 G01 X5 G05 Fuel Pump Control Unit Module ECU 7490824
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Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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Telematics Module BMW F20 F21 Bluetooth Teleservices GPS Control Unit 2622605
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BMW 3 Series E90 E91 M3 Wiring Loom Front Door Right Driver's Side 6938211
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BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
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BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
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Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702
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Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Engine Wiring Mercedes W204 W212 M271 Petrol Harness Loom Cable A2711504233
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BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
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Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit 1K0035186R
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BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mercedes-Benz W202 C208 Roof Alarm Motion Sensor Cover Trim Grey A2086900028
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BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
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Ford Transit Connect Rear Door Wiring Cable Harness Loom FT1T14027LLC
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Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU A6421501500 Automatic
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Mini R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Automatic
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 6983304
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Peugeot 3008 Body Control Comfort Unit Module BSI Fuse Box 9675877980
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BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900
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Peugeot Boxer Citroen Relay 4H03 TMF 130HP Engine Control Module ECU 9691854880
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BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
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BMW X1 E84 18dX N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
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Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Renault Trafic Display Screen Sat Nav Navigation Unit Dashboard 259151852R
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BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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BMW E65 E66 Dashboard Control Display Screen 8,8" Control Unit 9130563
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Xenon Control Unit BMW X5 E70 E90 E91 LCI Adaptive Headlight 7189311
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Part no. 7823344-1
BMW 1 3 4 F20 F21 F30 F31 F32 N47N Diesel Alternator 180A 7823343 7823344
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BMW F20 F21 F30 LCI 120d 320d B47 Diesel ECU Engine Unit DDE 8587952 Automatic
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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BMW 3 Series F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175
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Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553A
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BMW E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960433
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Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A6459060300
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367
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Seat Wiring BMW X3 F25 X4 F26 Driver's Side Loom Cable 9316654
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BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638
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Mercedes-Benz CLK W208 Front Left Right Door Wiring Loom Harness A2085405606
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Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 9340339
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Mini Cooper One R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 7570488
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Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633
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Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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Mercedes-Benz A C W169 W204 Battery Relay Module Box A1695450046 A0035422619
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Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Starter A6519060026
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Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control DME 7613226 CAS3 Key Automatic
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BMW 5 Series E60 E61 Mini R50 R53 PDC Parking Ultrasonic Sensor Rear Cool Blue
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Mercedes Vito W639 Door Front Right O/S Control Unit Module ECU A6398201226
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Mini Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Manual
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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 .