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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Audi A1 8X 1.4 TFSI CAVG 185HP Petrol Engine ECU Kit Ignition + Key 03C906027CF
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TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
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BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
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Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Audi A6 C6 Front Right O/S Door Harness Cable Loom 4F1971030BD
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Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405
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BMW X3 Series E83 LCI Diesel Battery Positive Lead Red Cable Plus Pole 3452235
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Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
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Ford Transit Mk7 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BB
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BMW Mini Cooper F54 F55 F56 F60 HSD Line HU - CID 9314635
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BMW X1 E84 Radio Navigation Head Unit Android CarPlay Display 10.25 XRC8667
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Camera Module Mercedes C205 W247 GLC X253 W910 Control Unit A0009002740
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BMW E87 E90 CAS2 ECU Control Unit Module 61356943791 6943791
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Peugeot Boxer Citroen Relay 4H03 TMF 130HP Engine Control Module ECU 9691854880
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Driver Seat ECU Mercedes W203 A209 W211 Memory Control Unit Module A2118704626
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Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311
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Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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Audi Q3 8U Air Module Crash Impact Sensor Control Unit 8U0959651
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BMW E60 E61 LCI 550i N62N 367HP Engine Unit Module ECU DME 7577664 Manual
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
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Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N
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Audi Q7 4M Starter Motor Engine Diesel Valeo 06M911022D
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Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
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Parking Sensor Wiring Mercedes W177 V177 Rear Bumper PDC Loom Cable A1775400630
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BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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Mercedes W204 Battery Wiring Cable Harness Loom Rear A2045403510
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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902
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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484
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VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6R0971537F
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Mercedes-Benz ML-Class W163 Inboard Cable Harness Wiring A1635401208
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Mercedes W169 CD Navi Media Player Radio COMAND Head Unit A1699002400
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Porsche Macan 95B Navigation Tracking Control Module 7PP035620GC
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Mercedes-Benz CLC CL203 Rear Left Right Door Loudspeaker Speaker A2038204002
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Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950
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Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
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Seat Wiring Mercedes C117 W176 W246 Loom Harness Cable Left N/S A2465409711
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BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Ford Transit Mk8 2.2 TDCI Alternator Generator CC1T-10300-CD
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Airbag Module BMW F10 F12 F13 X3 F25 ECU Control Unit Air Bag 6837358
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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BMW X1 E84 Display Screen Monitor On-board CID TV Navigation System 8,8" 9223689
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Ford Fiesta MK7 1.6 TDCI Starter Motor Engine Diesel 8V2111000AD
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Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708
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BMW E60 E61 E63 E64 Micro Power Control Module MPM ECU 6939655
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BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
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Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness
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Mercedes C204 C250CDI OM651.911 204HP BlueEFFICIENCY Engine ECU Unit A6519007401
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BMW F20 F21 M135i N55 231HP Petrol Engine Control Unit ECU DME 8626472 Manual
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Mini Cooper R56 Fuse Box SPEG High DC/DC H4 3455235
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Citroen Relay Peugeot Boxer Fiat Ducato Fuse Box Control Unit 1367661080
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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BMW E90 Light Module ECU 61359128183 9128183 9128223 PL2FRMFA
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L
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Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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BMW Z4 Series E85 Roadster Driver Side Door Cable Harness Wiring 6934607
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BMW E46 E53 Side Air Module Control Unit ECU Module 6933238
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Ford Transit Mk8 Airbag Module ECU Control Unit Air Bag BK3T-14B321-AD
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Renault Master III Opel Movano B 2.3 DCI CDTI Alternator Generator 231001822R
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Fuse Box Citroen Berlingo Peugeot Partner Control Unit Module 28116487
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Aerial Roof Antenna Mini R56 Base Unit Module R55 R57 3442133
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Mercedes Sprinter W907 W910 Body Control Module BCM V2 ECU A9079000305
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Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
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BMW 3 Series F30 F80 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9260012
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BMW E46 E64 Front Seat Module Control Unit Memory 7067801
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Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-CG
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Mercedes GLE C292 ML W166 Door Control Module Rear Left N/S A1669006307
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Battery Box BMW G30 G31 Positive Fuse Battery Distribution Terminal Rear 6802943
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BMW E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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Volkswagen VW LT 35 Diesel Engine Starter Motor Unit Napa 069911023LX
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BMW 1 X1 X2 Series F39 F40 F48 Mini Cooper One F55 F56 Earth Cable Wire 8602994
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Positive Cable Vauxhall Insignia Battery Starter Alternator Plus 13295310
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Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718
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Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
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Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718
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Audi A1 8X PDC Assistance Parking Distance Control Module Unit ECU 8X0919475AE
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Seat Module BMW F10 F11 Front Left N/S Control Unit SM MF/M - HL 9248565
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Audi TT 8N Air Module Control Module Unit ECU 8N0959655D
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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 .