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 GLC X253 Camera Lane Assist Control ECU Module Unit A2479008615
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Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063CC
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Ford Transit Connect Door Module Front Left N/S Control Unit ECU DV6T14B533BD
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Audi A4 B7 Front Bumper Wiring Loom Harness Cable 8E0971095R
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BMW F30 F32 LCI F36 335dX 435dX N57Z 313HP ECU Kit DDE 8586536 FEM Key Automatic
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Audi Q7 4L Automatic Transmission Module Controller Unit 09D927750FS
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Audi A6 C7 Central Getaway Control Unit Module ECU 4G0907468B
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Audi A1 8X Front Passenger Side Door Module Unit Control ECU 8X0959792D
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BMW F40 Telematics Control Unit Module ECU 5B3B795
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Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
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VW Volkswagen Phaeton 3D Seat Control Unit ECU Front Driver's Side 3D0959760B
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Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880
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VW Golf MK5 Body Control Comfort Module BCM Convenience Unit ECU 1K0959433BL
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Citroen C3 Picasso Negative Battery Terminal Cable Wiring Lead 9687656980
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530
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BMW E90 E91 LCI 316d N47N 115HP Engine ECU Kit DDE 8512043 CAS3 Key Manual
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Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
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Alternator Ford Transit MK2 Sierra Scorpio 2.0 Engine Generator 1406067
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Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 + 2 Keys
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Mercedes SLK R172 Rear Window Heating Cable Loom Heat Wiring Harness A1725402513
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BMW F20 F21 LCI 116d 116HP B37 Diesel Engine ECU Unit DDE 8587952 Manual
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key Automatic
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Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415
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Porsche Macan 95B Battery Holder Strap Mounting Bracket Clamp 8R0867749A
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REM Control Unit BMW F20 F30 F31 F34 Electrical Body Control Module V2 9362395
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VW Touareg 7P Central Body Control Module Comfort Unit BCM ECU 4H0907063L
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Mercedes W169 W245 Relay Control Unit Bracket Mount Holder Cover A1695458140
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BMW E88 Convertible Folding Top Roof ECU Module CVM Bracket Holder Mount 7195197
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Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
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Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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VW Passat Variant PA 1.6 TDI Diesel Blue Motion Engine Control ECU 03L907425C
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BMW X3 E83 LCI 3.0sd M57N2 Engine Control Unit ECU DDE 7806981 Automatic
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Citroen C4 Starter Motor Diesel Engine 1.6 HDI Actuator Unit 9688268580
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Mercedes W245 Bluetooth Module Telephone Control Unit A1698200611
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Audi A4 B8 3.2 FSI Alternator Generator 06E903016N
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BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190107
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Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110723BC
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Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1698205189
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Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009425
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Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Jaguar XF X250 Diesel Engine Starter Motor 12V DENSO 8X2311001AA
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BMW X1 F48 Mini F55 F56 LCI B+ Junction Terminal Power Distribution Box 8792232
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BMW E60 E63 545i 645Ci 333HP N62 Engine Control Unit ECU DME 7540510 Automatic
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Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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BMW Mini Cooper R56 LCI R60 R61 Radio Visual Boost CD Player CHAMP 2 9354728
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Engine Wiring Mercedes W212 Diesel OM651 Cable Loom Harness A6511505933
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VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
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Nissan Qashqai Diesel Engine Control Unit ECU Module 23710 JD78D 0281014361
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Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633
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Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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BMW 3 E91 Touring Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Honda Civic Starter Motor Actuator Unit 12V 31200-PSA-J52
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BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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Mini Cooper R55 R56 R57 1 CCC Navigation Navi Sat Nav Head Unit 9138452
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BMW E46 316i M43 Petrol Engine Wiring Harness Engine Module Wiring 1439874
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Air Control Module BMW E60 E61 E63 Passenger Side Door Unit 6963016
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Mercedes C207 Stereo Radio CD Player Head Unit A2129004008
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Baterry Cable Bracket BMW X3M F97 X4M F98 S58 Alternator Wire Holder 8091664
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Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289
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Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925G
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BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190110
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Porsche Cayenne 9PA Gearbox Control Unit Module Controller ECU 0AD927755BT
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Mercedes W203 C200 Kompressor M271.940 163HP Engine ECU A2711534691 Automatic
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KIA CEED I 1.6 CRDI Diesel Engine Control Module ECU 39120-2A051 Manual
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Mercedes-Benz M ML W163 Battery Positive Plus Terminal Lead Cable A1635401630
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Mercedes A238 SAM Control Module Unit ECU A2139008123
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VAG VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 191937503
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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 .