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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BMW X1 Series E84 Rear Bumper PDC Cables Wiring Loom Set 9230404
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BMW 3 5 Series E34 E36 Hazard Warning Relay 1388533
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324784
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Mercedes ML W164 Cable Loom Wiring Parking Sensors Rear Bumper A1645402405
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9352865 Manual
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Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9383700
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Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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BMW 3 5 X3 Series E46 E60 E65 E83 5 M54 Petrol Engine Starter Motor 2354693
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Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018
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BMW 5 Series E60 M57 1 Engine Starter Motor 7794952 0001115041
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BMW F20 F30 F31 LCI Earth Cable Battery Cable 8648003 12428648003
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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Renault Master 2 G9U 754 2.5 dCi Diesel Engine Unit ECU 8200311550 Manual
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Volkswagen Golf Mk5 Seat Skoda Air Control Module Unit 1K0909605R
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Mini Cooper One R50 Heat Resistant Battery Box Cover 6915175
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BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542
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BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296
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BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6982395
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Audi A3 8P Alternator Generator Diesel Engine Electrical Unit 03L903023A
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Denso DSN967
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Mercedes W203 C209 Yaw Sensor ESP Rotation Rate Control Unit Module A0035429818
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BMW 3 X3 X5 Series E46 E53 E83 Navigation System Video Module Unit
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BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Mercedes W168 Vaneo W414 Diesel Engine Speed Starter Motor A0051511601
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Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0055421918
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Hyundai H1 Genesis Front Impact Sensor Safety Crash Detection 95920-4H000
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BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501
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BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725
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BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829
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Sat Nav Audi S8 D3 A6 C6 DVD Drive Navigation Control Unit 4E0919887M
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BMW E90 ECU Body Control Module ECU H1 61359134479 9134479
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9314237
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9231093
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Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
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BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148
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Ford Transit Connect 1.8 TDCi Battery Positive Cable Clamp Wiring 2T1T14A280CG
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Mercedes-Benz A B E W176 W212 W246 Fuel Pump Module Control Unit A0009006207
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Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 1 Cigarette Lighter Socket 6973036
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BMW E87 LCI Body Control Module Junction Box Electronics H2 9176882
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BMW 5 X5 Series E39 E53 Radio Business CD Player 6921960
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LED Module BMW G11 G12 G20 F90 Dashboard Illumination Control Unit 6999950
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BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082
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Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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Part no. 7570487-1
Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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BMW E65 E66 730i M54 Diesel Battery Cable Starter-Base B+ 7522057
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Head Unit BMW F20 F21 F22 F30 F31 F82 LCI Sat Nav Radio Media Navigation 8736162
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Mercedes C204 Wiring Cable Harness Front Driver Door Wiring Loom A2044400538
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BMW F01 F02 F03 F10 LCI X3 F25 Control Unit Rear Function Module 7327886
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Mercedes S211 W211 Fuse Box Unit Cover Front A2115400082
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VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Sam Module Mercedes ML W164 Rear Relay Box Control SAM Unit A1649004400
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Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686
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Renault Master II Alternator Support Bracket Mount 117103703R
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Audi A3 8V 1.6 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121G
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
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Peugeot 307 CD Player Radio Stereo Head Unit 96766518XT00
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BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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BMW 3 X3 X5 E70 E91 E83 1 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
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Parking Sensor Display Mercedes W176 W204 W246 Dashboard Panel PDC A1725420023
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Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
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BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679
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Starter Ford Mondeo MK3 2.0 TDDi Mk4 2.0 Tdci Diesel Engine Starter Motor
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Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
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Audi TT 8J Radio CD Player Professional Audio Concern Head Unit 9199439
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399002900
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6461501388
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Renault Master II Trafic II 2.5 dCi Diesel Engine Starter Motor Valeo 8200634602
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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BMW E87 E90 116i 316i Petrol N45 Wire Wiring Harness Engine Gearbox Mod Loom
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Mercedes CLS W219 Door Module Front Left N/S Control Unit Module A2198202326
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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 .