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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Part no. A9105409455
Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
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BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
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AUDI S8 D3 Access Start Comfort Kessy Control Module 4E0907181A
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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Audi A6 C7 Multimedia Radio CD Player Head Unit 4G0035192H
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Vauxhall Combo D 1.3 Cdti Fiat Lancia Alternator Engine Genarator 95511910
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Audi A5 8T Headlight Lightning Control Module LCM Unit ECU 89500248
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Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7610011 Manual
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BMW F30 F31 F32 N20 Engine Gearbox Module Wiring Cable Loom Harness 7634059
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Ford Transit Mk7 Glow Plug Wiring Loom Cable Wire TDCi Diesel BK2Q6M091AD
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BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 61126971219 6971219
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Mercedes C118 C205 C253 Automatic Gearbox Control Unit Module ECU A0009008324
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BMW X5 Series E53 Wheel Electronics Module RDC 433MHz Control Unit 6752128
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Mercedes W205 W213 Engine Wiring Harness Cable Loom M274 Petrol A2741504703
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
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Relay Black 12V V23134J52X207 V23134-J52-X207
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Mercedes C118 W177 W247 Battery Box Tray Trim Housing Cover A2475411000
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BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
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Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
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Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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Camera Speed Control BMW i3 I01 F10 F20 F30 LCI KaFAS ECU Module Unit 9462613
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Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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BMW F20 F30 116i 316i N13 Engine Control Unit Module ECU DME 8625241 Automatic
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Earth Cable BMW E60 E61 Electrical Starter Alternator Earth Cable Wiring 7795520
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Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201
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Audi A3 8P Control Unit Gateway Module ECU 8P0907530C
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Audi A5 8T Seat Module Control Unit ECU Front Left Right N/O/S 8T0959760
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Ford B-Max Battery Negative Lead Terminal Cable Loom Harness CV2T-10C679-BC
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Mercedes W203 Battery Terminal Fuse Box Electrical Unit A2035450803
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Mercedes W176 W246 Radio COMAND Nav CD Player Control Head Unit A2469003519
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Mercedes W221 Telephone Bluetooth Control Module A2218708685
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Ford Transit Mk7 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BB
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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BMW E65 Cable Harness Door Panel Card Rear Wiring Loom 6913147
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Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
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BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Mini One R56 LCI R60 N16 98HP Petrol Engine ECU DME 7607685 Control Unit Manual
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Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
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Volkswagen VW Golf Mk6 5K Air Module Control Unit ECU 5K0959655
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BMW 6 Series E63 E63N LCI Antenna Amplifier Diversity 868 MHZ 9187682
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BMW 1 Series e87 ECU BODY CONTROL MODULE H2 61359131778 9131778
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Fuel Pump Control Audi TT FV A3 8V Petrol Engine Unit Module 5Q0906093
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BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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M-Audio Controller BMW E60 E61 E63 E64 Radio Player M-ASK CD Head Unit 6955346
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Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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Mercedes A-Class W168 Cable Starter Line Negative Line Battery A1661500333
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BMW G11 G12 G20 G21 G30 G31 F33 F36 Generator Alternator 180A Bosch 8571357
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Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT
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Ford Transit MK6 2.2 TDCi Diesel Engine Starter Motor 6C1T-11000-AE
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Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A2095420018
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Headlight Ballast Control BMW F06 F12 F13 F15 F16 LED Adaptive Module 7316210
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Audio Amplifier Mercedes W166 C292 Sound Control Unit Harman Kardon A1669004719
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Seat Ibiza IV VW Polo 6R Fabia 5J 1.2 TDI Diesel Engine Starter Motor 02Z911024H
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Peugeot Boxer Citroen Relay 4H03 TMF 130HP Engine Control Module ECU 9691854880
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Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279M
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Audi Q7 4L Air Module ECU Sensor Control Unit 4L0910655D
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Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334
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BMW X3 E83 Telematics Bluetooth Control Unit Module 9181881
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Ford Transit Mk8 2.2 TDCI Alternator Generator CC1T-10300-CD
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Mercedes S211 W211 Fuse Box Unit Cover Front A2115400082
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BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
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Engine Wiring BMW F20 120i F30 320i 330i LCI B48 Cable Loom Harness 8636068
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Mercedes C209 Engine Kompressor 5 Speed Gearbox GSG Module Control A0015453716
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BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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BMW E91 LCI Footwell Light Control Module LCM LED Basis 9249083
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Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064CP
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Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289
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BMW 1 3 X1 X3 E83 E84 E87 E90 E91 N45 N46 Petrol Enigne Starter Motor 1,1 kW
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VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
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Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885
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Audi A3 8P Gateway Module Diagnostic Interface Control Unit ECU 1K0907530G
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9263948
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BMW E65 E66 Front Seat Occupancy Sensor Mat 6914666
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Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
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BMW 1 Series E87 Footwell Light Module ECU Control Unit NSW PL2 FRMFA 6956586
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Peugeot Boxer Citroen Relay Engine Starter Motor Diesel Valeo 9646972280
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Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F
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BMW E60 Body Control Module ECU Control Unit KBM Basis 6978713
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Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
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Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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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 .