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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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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Mercedes ML W163 Module SAM Electronics Control Unit A1635457032
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Rear View Mirror Cable Mercedes W169 W245 Wiring Loom Harness A1695400706
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Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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BMW F46 Light Control Module Unit Basis 1308310406
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BMW 1 3 5 F10 F20 F30 Can Bus Interface Data Terminating Resistor 586509
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Wiring Harness BMW F10 F11 Front Bumper PDC Wiring Loom Cable 9241694
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9156230 DAMAGE
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BMW X1 F48 Mini F55 F56 LCI B+ Junction Terminal Power Distribution Box 8792232
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BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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Volkswagen Touareg Transporter 2.5TDI Alternator Coupling Sleeve Belt 070903327C
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BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
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BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 9112454
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Adblue Module Mercedes W205 W222 W253 Exhaust Gas Control Unit ECU A0009003313
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BMW X5 Series E53 Amplifier Trap Circuit 65258377656 8377656
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BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
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Radio Boost CD Mini R50 R52 R53 Head Unit Audio Player 4154934
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Mercedes W219 CLS350 CDI OM642.920 Engine Module ECU Kit A6421501230 Key Lock
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Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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Mercedes W205 W213 10Ah 170A Auxiliary Additional Generator Battery A0009829508
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BMW 1 F20 F21 LCI 116d B37 Engine Gearbox Module Wiring Cable Loom 8586574
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Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
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BMW X5 X6 Series E70 E71 Transfer Box Control Unit Module ECU 7605031
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Mercedes-Benz W203 W210 W220 M112 240 280 320 Engine Starter Motor A0051516501
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Seat Module BMW E60 E61 E65 E66 Front Left Right N/O/S Control Unit ECU 6927315
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673
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BMW F33 F83 M4 Convertible Rear Antenna Aerial Amplifier AM/FM 9273666
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Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
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Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB
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Starter Motor Mercedes Sprinter W204 W211 W212 OM646 Diesel Engine A0061516201
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Mercedes-Benz A-Class W176 Brake ABS Pump Holder Bracket Mount A2464300210
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BMW X5 Series E53 3.0d M57N Cable Starter Base B 7791352 12427791352
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BMW X1 F40 F48 Mini F55 F56 F57 Engine Starter Motor 8647866
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BMW 3 5 Series Mini Cooper E60 E93 R55 R56 R60 IBS Negative Battery Lead
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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Door Cable Mercedes W212 Wiring Loom Front Right O/S Driver Side A2124401251
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Audi RS4 B8 Front Door Wiring Harness Loom Plug Socket 4E0941817A
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BMW Mini Cooper S R55 R56 Engine Wiring Loom Harness Injection Valve Ignition
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Rear View Camera Module Mercedes W205 W222 W253 Control Unit A2229005613
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Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530K
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Mercedes-Benz W212 SAM Fuse Prefuse Box Relay Control Unit A2125406250
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BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Mercedes W169 W245 Airbag System Control Unit Module ECU A1698206626
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Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Denso DSN967
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Steering Wheel Module BMW F20 F21 F30 F31 F32 Heating Control Unit 7849393
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Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9205895
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215403250
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Mini Cooper D F55 F56 B37 116HP Diesel ECU Engine Unit DDE 8587952 Manual
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BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638
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Fiat Doblo Positive Battery Cable Lead Wire Electrical Cable 51871154
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Mercedes W202 W210 Front Left Door Control Module A2108207526
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Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503
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Volkswagen Golf Mk5 Seat Skoda Air Control Module Unit 1K0909605R
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324784
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BMW E81 E87 E91 LCI Steering Column Switch Cluster Wiper Stalk 9123043
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Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700
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Renault Trafic III Vauxhall Vivaro B 1.6 dCi Engine Starter Motor 233000106R
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Renault Trafic 2 Vauxhall Vivaro M9R 782 2.0 Diesel Engine Unit ECU 8200666516
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Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009829608
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BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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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 .