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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Seat Ateca Double USB C Charging Port Socket Connection Module 575035736
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VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549J
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7481616
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Audi A5 8T Dynamic Active Steering Module ECU 8K0907144E
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Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603
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Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718
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Mercedes W906 W907 Cut Off Electric Relay Module Wiring Cable A0025424019
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch 0986024980
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BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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Mini R52 R53 Battery Cable Wiring Lead Positive Plus Pole 6942507
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BMW 3 5 7 X5 Series E61 E65 E70 E90 Telematics ECU Control Unit GSM 9206778
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Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT
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Mini Cooper R56 LCI Footwell Light Module High EKS ECU FRM3R PL3 3457389
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Part no. A2709002100-10
Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic
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BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Automatic
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Mercedes ML W164 Control Unit Module Fuse Box SAM A1645404601
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046800931
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500133
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Mercedes C219 CLS350 CDI OM642.920 Engine Module ECU A6421501230 Automatic
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
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Audi A3 8P Starter Motor Engine Diesel Actuator Unit 02A911023 LRS00791
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BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Becker 6934649
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Audi A3 8V Gateway Module Control ECU Unit 5Q0907530M
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BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual
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Audi A4 B9 Voltage Converter Module Auxiliary Battery Unit 8W0915101A
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Audi A4 B8 A5 8T Body Control Comfort Unit Module Unit ECU 8K0907063M
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9298939
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Amplifier BMW F30 F31 F32 Top Hifi Audio Sound Amplifier Harman Kardon 9366164
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BMW 3 5 7 Series E34 E36 E38 E39 Relay Control Module Unit White 1729004
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Body Control BMW F30 F35 F35 LCI BCM Comfort Module Unit BCM 8709210
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Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401
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BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
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Mercedes W447 Door Control Unit Front Right O/S A4479007806
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Mercedes W164 Fuse Box Holder A1645402972
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Audi A4 B9 2.0 TDI DETA Engine Starter Motor Actuator Starter 04L911024A
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9170717
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BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A0045420418
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BMW G20 Reverse Rear View Camera 5A63731
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Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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BMW Mini Cooper One R50 R53 Radio Wave Stereo Cassette Tape Player 6909665
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VW Volkswagen Crafter 1 Wiring Loom Harness Cable 2N0971068
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BMW 3 5 Series E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 Key 7809941
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Audi A5 8F Convertible Folding Roof Module Control Unit 8F0959255
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Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor Unit 022911023H
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BMW Mini Cooper One R50 R53 Fuse Box Cover Black 1480793 61131480793
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BMW F10 F30 F31 F32 Side View Camera Front Bumper Video Surround View 9240352
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Audi RS4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095G
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Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049003609
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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A2465406432
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Volkswagen Golf Mk5 Seat Skoda Air Control Module Unit 1K0909605R
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Mercedes W124 S124 Central Lock Control Unit Module A1248205926
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Mercedes W164 Central Gateway Control Unit Module A1645405662
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BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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Ford Transit Battery Charge Electrical Machine Control Module Unit DK3T10B728AA
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BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 7540686 Automatic
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
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BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Vauxhall Opel Relay 4-Pin Tyco Unit Yellow 90226846
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BMW 1 3 Series E81 E87 E87N E90 E91 Radio BMW Business CD 65129141682 9141682
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BMW 3 Series E91 E91N LCI Antenna Amplifier Diversity Unit 868 MHZ 6934846
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BMW 1 3 Series E87 E90 LCI CIC Sat NAV Screen Navigation Professional 9222861
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Mini One R50 W10 90HP Engine Control Unit ECU DME 7545789 Manual Transmission
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Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A
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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 .