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 Starter Motor Petrol Engine Electrical Unit Actuator 02M911024J
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Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
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On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016
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Fuse Box Mercedes W169 W245 Electrical Relay Control Unit A1695450540
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465408032
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Mercedes W204 W207 C218 W212 E220 Navigation 20 Control Module Unit A2079005400
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Mercedes-Benz A-Class W176 Mikrophone Roof Control Module A2468200035
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Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
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Ford Ranger Explorer Starter Motor Engine Actuator Diesel Mitsubishi M002T87271
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Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C
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Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
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BMW E46 Z4 E85 M54 Automatic Gearbox ECU Control Module EGS 7522980
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Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609
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CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046
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Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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Audi A4 B7 Air Module Control Unit ECU Impact Sensor 8H0959655G
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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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Audi A5 8T Display Screen Dashboard Multifunction Monitor Unit 8T0919604A
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BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Amplifier BMW F20 F21 F22 F23 Top Hifi Audio Module Harman Kardon 9367804
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BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7805585 Automatic
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Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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BMW 3 Series E92 LCI Headlight Inner LED Module Unit 1301328884 1307329329
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Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545
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Yaw Sensor Mercedes R171 W203 W209 ESP Rotation Rate Unit Module A0055422118
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9119707
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Telemetics Control Unit BMW E61 E65 E70 Bluetooth Control Unit Module 9149615
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Mercedes C209 220 CDI M646.966 150HP Engine Unit ECU A6461506479 Automatic
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Audi TT 8J Audio Amplifier Radio Sound BOSE Unit 8J0035223D
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Mini R50 R53 Body Control Unit Basic Module Controller BCM BC1RD 6934293
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Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Mercedes W204 C207 W212 Earth Ground Cable Transmission To Body A2045407335
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Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
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BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
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Mini Cooper One R52 Body Control Unit Basic Module BC1RD 6976989
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Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021
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BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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Mercedes V177 Head Unit Media Player Audio Radio Controller A1679001014
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Peugeot 3008 Yaw Sensor ESP Rotation Rate Acceleration Control Unit 9664661580
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Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9150109
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Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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BMW 1 3 F20 F30 LCI 120dX 320dX B47 Engine Wiring Cable Loom Harness 8595285
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Amplifier DAB Mercedes W176 W204 W212 Control Unit Module ECU A1669007616
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
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Mercedes W176 180 CDI OM607 Engine Control Unit Module ECU 237101754R Automatic
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Volkswagen Audi Skoda Audi 1.6 TDI Diesel Engine Starter Motor 0AM911023M
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-BB
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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BMW E90 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Renault Trafic III Opel Vivaro B Air Module Control Unit ECU 93868139 985101902R
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BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
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Mercedes SL400 R231 276.825 333HP Engine Control Unit ECU A2769007300 Automatic
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Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual
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Starter BMW E60 M57 Engine Starter Motor 7794952 0986021230
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BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
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BMW 7 Series E65 E66 Driver Seat Airbag Sensor Control Unit Module 6946107
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Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
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Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Control Unit Seat Ibiza 6J VW Polo 6C 6R Air Module Unit ECU Bosch 6C0959655J
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BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME 7546990
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BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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BMW E60 E90 LCI 325i 525i N53 218HP Engine Control Unit ECU DME 7578020 Manual
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BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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Mercedes W221 Telephone Bluetooth Control Module A2218708685
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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063N
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Engine Wiring Harness Mercedes R171 W203 C209 M271 Loom Cable A2711502933
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BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241
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Ford Transit Mk7 Glow Plug Wiring Loom Cable Wire TDCi Diesel BK2Q6M091AD
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Front Fuse Box Mercedes W204 S204 Relay Control Unit SAM Module A2129006824
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BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Audi A4 B7 2.0 TFSI Starter Motor Engine Motor Actuator Petrol 03L911021E
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Audio Amplifier BMW F20 F21 F22 Harman Kardon Active Sound Design Unit 9390396
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Ford Transit Connect Starter Motor Engine Actuator Diesel 1.6 3M5T-11000-CF
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BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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CD Changer Mini Cooper R50 R52 R53 6-Disc Multichanger with Magazine 6946989
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BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
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Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Key Manual
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Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65129132214 9132214
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Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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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 .