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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BMW 3 X1 Series E84 E90 E91 Instrument Cluster Speedo Clocks Automatic 6964520
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BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625
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Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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BMW X5 E53 Rear Parking Sensor PDC Cover Trim 8268370
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Audi A7 4G8 Door Control Module Passenger Side Front 4G8959792H
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Mini R55 R56 R57 Flat Cable Wiring Wire CAS 9158040
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Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028
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BMW F20 114i N13 102HP Engine Control Unit ECU KIT DME 7636292 FEM Key Manual
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PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007
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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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BMW E61 E63 X5 E70 Telematics Bluetooth Control Unit Module 9138179
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BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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Mercedes W164 Fuse Relay Electrical Box Housing Cover A1645400124
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Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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BMW 7 Series 2 E65 E66 Battery Cable Positive Plus Pole 6904905
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Mercedes W221 Rear SAM Fuse Box Power Distribution Control Unit A2215403050
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BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9230448
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MMI Box Media Interface Control Unit Module Android Apple CarPlay Interface Unit
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Mercedes Sprinter W901 Engine Control Unit Module ECU OM611 Diesel A6111530991
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SAM Module Mercedes CLK W209 C209 A209 Fuse Box Relay Control Unit A2095452801
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Seat Ibiza 6J Head Unit Mulitmedia Hazard Triangle Switch Panel Block 6J0035156
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Part no. MUTLU SFB 90Ah Accumulator
MUTLU SFB 12V Accumulator Battery 90Ah 750A
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On-Board Screen BMW F10 F11 CIC Central Information Display Monitor 10,25"
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Audi Q7 4L Boot Trunk Subwoofer Rear Bass Speaker 4L0035382B
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Mercedes W166 Hatch Tailgate Central Module Locking Control ECU A1669003708
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Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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Audi A3 8P Door Harness Loom Cable Wiring Rear Right O/S 8E0971687L
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BMW X5 X6 Series E70 E71 Cable Loom Wiring Set Seat Driver's Side 9188741
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VW Polo 9N Battery Terminal Fuse Distribution Cable Cover Power Board 6Q0937517
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 Cigarette Lighter Socket 6973036
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7798179 CAS2 + Key
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Mercedes-Benz M-Class ML W163 Ground Cable Right O/S Wheel Arch A1635400441
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BMW F40 M135iX B48E Petrol Engine Control Unit ECU DME 5A23E05 Automatic
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Audi A8 D4 4H Relay Fuse Bracket Holder Junction Box 4H0907348C
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Mercedes-Benz CLK W208 Front Left Right Door Wiring Loom Harness A2085405606
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BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE 7798179 CAS2 + Key
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Mini R55 R56 R57 Halogen Headlights Control Unit Module ECE 0420295
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Mercedes W204 C180 Kompressor 271.952 156HP Engine Control Unit ECU A2711504879
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Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q
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Radio Head Unit BMW E93 Comand CD DVD Player Changer 9218331
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Engine Starter Motor BMW X5 E70 LCI F01 N57 Diesel Starter Actuator 8515900
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Audi A4 B7 Cabrio Aerial Antenna Amplifier Module Unit Left N/S 8H0035225J
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Mini Cooper R56 LCI High SPEG PL3 H4 Fuse Distribution Box 3455439
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Ford Transit Mk7 Fuse Box Loom Wiring Harness Cable 6C1T-9K499-NH
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Mini R52 Roof Module Cabrio Convertible Folding Top 6972651
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BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6946104
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Audi RS3 8Y 2.5 TFSI Quattro 400HP DNWC Engine Unit ECU 07K907309L Automatic
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Mercedes W221 Bluetooth Hands-free Mobile Phone Adapter A2218201811
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Mini Cooper One F55 Door Cable Wiring Loom Harness 6809539
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BMW F20 F30 F80 F82 F87 Body Control Comfort Module Unit FEM ECU 8707674
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Skoda Octavia 5E Mk3 Door Wiring Harness Loom Front Passenger Side 5E2971121P
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BMW E65 E66 Sensor B-Pillar Air Module Right O/S 6929561
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BMW E90 E91 E92 N52N 325i 218HP ECU Kit DME CAS3 Key 7574544 Automatic
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Mercedes W906 Positive Battery Cable Wiring Loom Harness A9064408234
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BMW 3 Series F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175
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BMW F40 Parking Control Module Unit USS ECU LOW 9873546
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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 .