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 C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056
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Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433
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Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
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Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD
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BMW E60 Light Control Module Unit Lear LMF6X 9116260
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Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
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Mini Cooper R56 N12 W16 Alternator Generator Napa 7575650
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
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Ford Transit Mk7 Radio CD Player Head Unit Autoradio 6000 CD 8C1T-18C815-AA
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Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802
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BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
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Audi A4 B8 B9 A6 C8 Engine Starter Motor Denso 2.0 TFSI Petrol 06Q911024
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Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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BMW X3 E83 LCI Battery Positive Lead Red Cable Plus Pole Wire 3414878
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BMW E60 E90 E91 LCI 330i 530i N53 272HP ECU Kit DME 7616431 CAS3 + Key Automatic
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BMW E60 LCI Light Control Module Unit Controller Lear LME6X AHL 9154944
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BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Land Rover Range Rover Engine L322 3.0d M57 306D1 Unit Module ECU DDE 7791367
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Battery Cable Citroen Relay Peugeot Boxer Positive Wiring Harness 1362688080
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BMW F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 6836764
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Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700
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Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
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BMW G30 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
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Renault Trafic II Control Unit Sat Nav Navigation Module Unit 280380655R
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BMW E60 E60N E63 E63N Body Control Module ECU Control Unit 9168833
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BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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Module Mercedes W177 W247 Instrument Cluster Control Module A2479001608
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REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960
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Seat Leon Mk3 5F Deployment Crash Impact Sensor Front Centre 3Q0959651A
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Mercedes ML W164 W251 SAM Module Control Unit ECU A1649004600
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Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135
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BMW 6 Series E63 E63N LCI Antenna Amplifier Diversity 868 MHZ 9187682
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Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2038703594
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Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
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Mini Cooper R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7579136
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Mercedes-Benz W221 Distronic Intelligent Cruise Control Radar Unit A2129004603
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Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04868860AA
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 6927704
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BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 6983843
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Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 CAS3 + Key Automatic
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BMW F15 I01 Mini F55 F56 F57 PDC Module Parking Assistant Control Unit 9350707
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Audi A8 4E S8 D3 Comfort Module Electric Steering Column Unit 4E0907279S
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Part no. 6910597
BMW E46 Positive Battery Cable Plus Pole Lead 6910597
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Part no. A9064401241
Mercedes Sprinter W906 Battery Alternator Starter Wiring Harness A9064401241
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BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 6823594
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Ford Transit Connect Negative Battery Terminal Cable Wiring 9T1T-14A280-MBC
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Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Alternator Bracket Mount 117105124R
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Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
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BMW 3 Series F30 F80 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9260012
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Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716
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Audi Q7 4L A1 8X Negative Battery Cable Lead Monitoring Module 8K0915181D
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BMW E91 Antenna Amplifier Diversity Module 9193841 6934846
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BMW E60 E90 E91 330i 530i Engine N52 ECU Kit DME 7559178 CAS2 + 2 Keys Manual
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Audi A1 8X Battery Terminal Fuse Socket Retainer 6C0915343A
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BMW X5 X6 E70 E71 M57N2 Alternator Generator 180A VALEO 7801173
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Mercedes C253 Fuel Pump Module Control Unit ECU A0009002218
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Mercedes GLC X156 Estate Trunk Lid Tail Gate Relay Amplifier Module A2229000618
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Audi A6 C6 Body Control Comfort Unit Module BCM Convenience Unit 4F0907279B
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Mercedes ML W164 Diesel OM629 Wiring Alternator Starter Harness A1644406532
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Electronics Charging BMW E60 E87 E90 E91 Hands Free Module MULF2 9181378
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BMW E60 E61 Rear PDC Parking Sensor Mysticblau Mystic Blau Blue 7115654
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Mini Cooper R57 R58 R59 Microphone Hands Free Telephone 9167397
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Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000100
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PDC Module BMW E39 Parking Assist Distance Control Module PDC 8385232
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Renault Trafic II Opel Vivaro B 2.0 DCI Diesel Engine Starter Motor 8200621305A
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BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516
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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 .