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 E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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Bluetooth Module Mercedes W247 W447 Multimedia Control Unit ECU A2479009412
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BMW 7 Series E65 E66 Antenna Tuner Amplifier Professional 6976780
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Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
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BMW Z4 E85 Airbag Module Sensor B-pillar Left N/S Control Unit Air Bag 6948087
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Peugeot 307 1.4 HDI Diesel DV4-TD Engine Control Unit ECU 9647158180 Manual
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Peugeot Partner 1.6 HDI 9H03 Engine Control Unit ECU EDC 9664843780 Manual
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GPS Module BMW E81 E87 E90 E91 LCI Combox Telematics Control Unit 9257162
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Fuse Box Peugeot 207 308 Battery Terminal Control Unit Module 9636079380
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Airbag Module Peugeot 307 Control Unit ECU Car Safety Sensor 9650109480
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Peugeot 307 CD Player Radio Stereo Head Unit 96766518XT00
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BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447
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Cassette Player Citroen Berlingo Peugeot 206 Audio Head Unit 964544367700
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110723BC
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Fuse Box Citroen Berlingo Peugeot Partner Control Unit Module 28116487
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Airbag Module Citroen Berlingo Peugeot Partner Control Unit Sensor 9674290780
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Fuse Box Citroen Berlingo Peugeot Partner BSM Control Unit Module 9675878480
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Peugeot 207 Airbag Module ECU Control Unit Sensor Air Bag 9663593380
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Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A1669008506
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Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
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Peugeot 307 Fuse Box BSM Control Unit Module 9664055780
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BMW X3 E60 E61 E83 PDC Parking Ultrasonic Sensor Rear Montegoblau Blue A51
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Peugeot 207 CD Player Radio Stereo Head Unit 96643697XT00
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Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
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Mini R60 Rear PDC Ultrasonic Parking Sensor Midnight Grey Metallic 9813237
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Peugeot 207 Fuse Box BSI Control Unit Module 9663798380
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Display Screen Peugeot Partner Expert Multifunction Dashboard Clock 9665614680
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Peugeot 207 Display Screen Dashboard Multifunction Monitor Unit 966448398000
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 Delphi 6919275
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Renault Trafic 1.9 DCI Diesel Engine Control Unit Module ECU Manual 8200051608
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BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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Audi A4 Door Harness Loom Cable Wiring Front Left Right N/O/S 8E1971035DF
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Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297
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Mercedes W169 200CDI OM640.941 140 HP Engine Module ECU Kit A6401502579 Key Lock
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BMW 1 3 Series E87 LCI E90 120i 320i Petrol ECU Kit N43 DME 7579142 CAS3 Key
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Mercedes CL203 CLC 350 M272.960 272HP Engine Module ECU Kit A2721531291 2 Keys
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Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
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BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961364
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
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Audi A4 B7 2.0 TDI Diesel Engine Control Unit ECU Module Manual 03G906016JD
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Air Module Audi A4 B6 B7 ECU Control Unit Crash Sensor Air 8E0959655G
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Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
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BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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Rain Sensor Ford Fiesta MK7 Mondeo MK4 Windscreen Light Module 8A6T17D547AB
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BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual
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Citroen Berlingo Peugeot Partner CD Player Radio Stereo Head Unit 98053736XT00
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BMW X3 E83 X5 E53 E38 E39 E46 EWS 3 Central Lock Immobilizer Module ECU 8382453
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6395407735
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Engine Wiring Mercedes W204 W212 M271 Petrol Harness Loom Cable A2711504233
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Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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Audi A4 B7 Door Card Speaker Harness Loom Cable Wiring Rear 8E0971693P
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Ford Fiesta MK7 1.6 TDCI Starter Motor Engine Diesel 8V2111000AD
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Audi A4 B7 Front Door Wiring Harness Loom Cable Left N/S 8E1971035DJ
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460332
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048704658
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Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232
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Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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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 .