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 A3 8P CCM Covenience Control Module Unit Relay Board ECU HELLA 8P0959433F
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Telephone Control Module Audi A8 4E S8 D3 Bluetooth Unit 4F1910336B
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BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8674691
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Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
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BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Ford Transit Fuse Relay Box Housing Covering Panel Cover Trim 6C1T14A076E
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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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BMW E81 E87 E91 Steering Switch Cluster Cruise Control Stalk 9110894
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BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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BMW X5 Series E53 Multi Information Display Tuner Radio Control Panel 6914610
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Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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Mercedes C140 W202 Engine Cooling Radiator Fan Control Unit Module A0165459632
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BMW E87 LCI Body Control Module ECU H2 Junction Box 9187539
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Ford Transit Mk7 Starter Motor Engine Actuator Diesel 2.2 TDCi 6C1T-11000-AB
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BMW 3 Series E87 Max Brose Footwell Light Module Control Unit ECU 9340339
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BMW Z4 Series E85 Roadster Passenger Side Door Wiring Loom Cable 6933959
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Mercedes W168 ESP + HBA Electronic Stability Program Control Module A1685453532
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BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9240882
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VW Volkswagen Polo 1.2 TSI CBZB Engine Wiring Harness Cable Loom 03F971612
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BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Headlight Ballast BMW E60 E61 E90 E91 Xenon Adaptive Control Module 6941634
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Led Indicator Module BMW F32 F33 F36 F80 F82 F83 Light Signal Blinker 7493232
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Mercedes W211 W219 Radio CD Player COMAND Sat Navigation Head Unit A2118203297
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Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 80A971104A
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BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
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Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806
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BMW E90 E91 E92 IBS Negative Minus Battery Lead Cable Wire 9164352
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Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100
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Alternator Generator Mercedes W169 W245 Engine 115A 14V A2661540902
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI 9640825280
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Mini Cooper S R56 N14 1.6 174HP ECU DME Kit CAS 3 Key 7610009 Manual
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Mercedes W219 Hood Bonnet Light Solar Sensor Module A2118700110
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BMW E60 E87 E90 120d 320d 520d M47N2 ECU Engine Control Kit DDE 7801711 CAS2 Key
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BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008
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Ford Transit Mk4 Starter Motor Engine Actuator Diesel 92VB-11000-BA
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Ford Transit Custom Negative Battery Terminal Cable Wiring BK2T-14303-AG
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BMW Mini Cooper Clubman R55 R56 0,95 KW Engine Starter Motor 7582309
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Audi A1 8X PDC Assistance Parking Distance Control Module Unit ECU 8X0919475AE
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Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Audi A5 F5 45 TFSI DKNA Body Control Module BCM Unit ECU 8W0907063DG
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Mini Cooper S Cabrio R57 R57N LCI Airbag ECU Control Unit Module 9808713
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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Manual
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Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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BMW G30 G31 Fuse Distribution Box Holder Control Unit Bracket Carrier 9330542
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Starter Motor Mercedes W164 OM642 Diesel Engine Starter Actuator A0061514101
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Engine Wiring Mercedes W169 W245 OM640 Cable Loom Harness A6401502433
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Negative Cable Mercedes C117 W176 Battery Lead Minus Pole Wiring A1765400009
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BMW F10 F11 F12 F13 N57N Diesel Alternator 210A Valeo 8515754
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Mercedes C207 Stereo Radio CD Player Head Unit A2129004008
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Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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Mini Cooper R55 R56 R57 R58 Wiring Heated Seat Loom 2753025
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Peugeot 3008 Body Control Comfort Unit Module BSI Fuse Box 9675877980
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Mini Cooper One R50 Heat Resistant Battery Box Cover 6915175
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Mini One R55 R56 LCI N16 1.6 98HP Engine ECU Kit DME 7620987 CAS 3 + Key Manual
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine Unit ECU Kit DME 7620985 Manual
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BMW X3 X5 E53 E83 M57N2 Alternator Generator Diesel Power 150A 7797661
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Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Key + Lock
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Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
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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 .