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-Benz Sprinter W906 Battery Tray Housing Box Case A9066200131
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Audi S3 8Y Diagnostic Interface Data Bus Gateway Control Unit 5QS907530A
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BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Mini Cooper One R50 Petrol W10 Engine Wiring Loom Harness Module 7533097
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Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen CID 8,8" 9289580
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VW Golf Mk5 Gateway Module Diagnostic Interface Control Unit ECU 1K0907530E
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Mercedes Vito W447 Head Unit Radio DAB Navigation GPS Nav Display A4479005517
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Audi A4 B7 2.0 TFSI BGB 200HP Quattro Engine Control Unit ECU 8E0910115J Manual
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Mini Cooper SD R55 R56 LCI R60 N47N 143HP Engine ECU DDE 8519663 Automatic
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BMW E87 E90 N46 118i 318i 129HP ECU KIT DME 7561834 CAS2 Key Automatic
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Audi RS3 8V Front Windscreen Rain Light Solar Sensor Unit 8U0955559C
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Renault Trafic Vauxhall Vivaro 2.0 DCI Diesel Alternator Generator 231001423R
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Peugeot 508 5008 2.0 HDI Galaxy MK3 2.0 TDCI Alternator Bracket Mount 9688628680
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BMW E90 E91 E92 N52 218HP Engine ECU DME Kit 7594483 Automatic
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Mini Cooper R57 R58 R60 Amplifier Control Unit Hifi Harman Kardon 9217878
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BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 9399427
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Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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BMW X5 E70 Telematics Bluetooth Control Unit Module ECU Continental 9205930
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Lexus LS400 1UZFE V8 Petrol Engine Alternator Generator Denso 2706050200
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BMW E92 LCI PDC Wiring Loom Harness Rear Bumper
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BMW Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + 2 Keys
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BMW Z4 E89 EMF Module Parking Rear Brake Unit Electric Control 6792626
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Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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BMW i3 I01 High Voltage Energy Storage Unit Wiring Cable Wire 6809274
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Porsche Cayman 987C BCM Body Control Module Unit ECU 99761826006
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BMW F20 F21 114i N13 102HP Engine Control Unit ECU Module DME 8610484 Manual
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BMW F20 F21 F22 F30 F31 Radio Player CD Bluetooth Head Unit Control 9290992
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Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Generator Alternator Bosch 120A 7501690
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Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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BMW 1 Series E87 Footwell Light Control Module Unit PL2 FRMFA Lear 6987997
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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Audi A4 B9 Boot Tailgate Control Module Unit 4M0959107B
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BMW Z4 E85 Roadster Cabrio Safety Information Module Airbag 6938264
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BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265
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Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
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Ford Transit Mk8 Fuse Box Power Distribution Junction Relay BK3T-14401-EWD
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
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Seat Leon FR 5F Dashboard Multimedia DIsplay Sat Nav Screen 5F0919606
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Mercedes-Benz S-Class W220 Tailgate Boot ECU Control Unit Module A2208201317
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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Bumper Reflector Renault Trafic III Vauxhall Vivaro B Rear Light 7700353184
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Mercedes CLA C117 W166 Head Unit Sat Nav Navigation Display Screen A1669001420
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Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Manual
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Mercedes W639 PDC Display Parking Sensor Screen Control Unit A0015422623
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Mercedes W221 Remote Trunk Closing Hydraulic Pump Motor Unit A2218001548
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Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0005458916
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Radio Head Unit Mercedes C207 W207 COMAND Navi CD Player Navigation A2129009004
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BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Manual
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BMW E87 E90 E91 120i 320i N46 150HP ECU Kit DME 7565300 CAS3 + Key Automatic
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VW Volkswagen Tiguan 5N Passat B7 Engine Bay Fuse Relay Box Terminal 3C0937125A
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Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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Seat Altea 5P1 Interior Ultrasound Alarm Sensor Module Unit 5P0951171C
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Audi A3 8P BCM Body Control Module Fuse Box Gateway Unit ECU 8P0907279J
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Earth Ground Cable Mercedes Sprinter W901 Battery Wiring Loom Engine A9015400631
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Navigation Headunit BMW F20 F21 F30 F31 LCI Radio Sat Nav Unit 8705960
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BMW 5 7 Series 1 E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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Mini Cooper D R60 ALL4 112HP 1.6 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604
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Mini R60 Xenon Headlight Adaptive Ballast Control Unit 7171587
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Jaguar XF250 3.0 306DT AJV6D Engine Alternator Generator 8X2310300CB
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BMW Z4 E85 2.5si N52 218HP Engine ECU Control Unit DME 7561684 Manual
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Mercedes W176 W204 W207 Fuel Pump Module Petrol Control Unit ECU A0009000104
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Audi A8 D4 Dynamic Air Suspension Control Unit Module ECU WABCO 4G0907553G
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Mini F54 F55 F56 Operating Unit Audio Radio Control Switch Panel 6820386
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Fuse Box Peugeot 207 308 Battery Terminal Control Unit Module 9636079380
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Mercedes W164 Fuse Box Relay Module Unit A1645403472
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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BMW X5 F15 Battery B+ Engine Compartment Positive Terminal Point 9367807
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Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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Audi TT 8N Wind Brake Relay Unit Module 8N7907953
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Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
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Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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Screen Ring Mini F56 F60 Navigation Display Head Unit Trim Cover 9354397
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Ripca 12 Way Standard Blade Fuse Box Dual Bus Electrical Unit Module
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BMW E90 NSW PL2 FRMII Light Control Module (LCM) 61359159811 9159811
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Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
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Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU A6421501500 Automatic
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BMW 1 Series E81 Body Control Module L2 61359264569 9264569
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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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 .