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 5 Series E60 Front Seat Module Control Unit 6927271
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BMW 5 Series E60 LCI Body Gateway Module KGM E6X High D-Can Lear 9186171
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BMW E60 E90 E91 330i 530i Engine N52 ECU Kit DME 7559178 CAS2 + 2 Keys Manual
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Ford Transit Connect Negative Battery Terminal Cable Wiring 9T1T-14A280-MBC
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Audi A6 C6 MMI Multimedia Sat Nav Navigation Control Head Unit 4E0035652A
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51871153
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Ford Transit Custom Body Control Module BCM Control Unit ECU JK2T-15604-FAE
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Central Information Display BMW F20 F21 F22 F23 Screen 6,5" 9322122
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Citroen Dispatch Alternator Generator Valeo 90A 12V 9655296080
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BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836
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Audio Amplifier Mini R55 R56 Alpine Hi-Fi System Amplifier Booster 2153319
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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Audi Q5 FY Rear Door Wiring Harness Loom Cable Left Right N/O/S 80A971687H
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Audi A4 B8 Bose Audio AMP Amplifier Module Control Unit ECU 8T0035223AD
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BMW X5 E60 E61 E65 E70 Front Left N/S Seat Height Adjustment Drive
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Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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Audi A1 8X 1.4 TFSI CZCA Engine Wiring Harness Loom Manual Gearbox 04E971612BD
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BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
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Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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Fuse Box Mercedes W169 W245 SAM Body Control Module Unit ECU A1699010100
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Mercedes Sprinter W906 Battery Alternator Starter Wiring Harness A9064401241
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Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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BMW E60 E65 E70 E81 E87 E90 F10 Engine Starter Motor 2354701
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BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6926933
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Audi A4 B7 Starter Motor Engine Diesel Bosch 0001125053
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BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447
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BMW X5 E70 X6 E71 Module Control Unit Trunk Lid Rear Tailgate Lift 7207576
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Mini Cooper D R56 LCI N47N Diesel Engine ECU Kit DDE 8519663 CAS3 Keys Manual
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Starter Motor Ford Galaxy Mondeo S-Max TDCi Diesel Engine Starter 6G9N-11000-FA
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Volkswagen Touareg 7L Alternator Mounting Bracket Carrier Holder 070903143C
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Citroen Berlingo Peugeot Partner CD Player MP3 Radio Stereo Head Unit 9666968177
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Skoda Octavia 5E MMI Multimedia Interface Unit Module Control ECU 5E0035842A
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Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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BMW F20 F21 F22 Body Control Module Unit FEM 8707679
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Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382
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Citroen Relay III Alternator Generator Valeo 9805343480
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Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Mini Cooper R50 PDC Ultrasonic Parking Sensor Cool Blue Metallic A27
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Mini R56 R57 R58 R60 Display Screen 9 inch Android Surround Panel H2862N-P
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BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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Road Top HD Digital Decoder Retrofit Kit Module Camera CarPlay Control Unit
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BMW 5 Series E60 E63 Radio M-ASK M-Audio System Controller CD Player 6944109
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Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877
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Part no. 1432978
BMW E39 Alternator Generator 14V 50/90A 1432978
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Part no. 7641652
Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
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Mercedes W221 Headlining Alarm Sensor Module Cover Trim Black A2219050018
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BMW X5 Series 1 E53 PDC Parking Control Module Unit PDC 6932985
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Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
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Mercedes W207 Telematic Communication Control Unit Module A1669005517
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Audi Q7 4L Air Suspension Level Height Adjustment Compressor Pump 4L0698007A
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BMW E60 E61 Driver's Side Door Air Module Control Unit Module 6976157
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
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Audi A1 8X 1.4 TFSI CAVG 185HP Petrol Engine ECU Kit Ignition + Key 03C906027CF
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Audi A4 B8 2.0 TDI Alternator Mount Tensioner Pulley Bracket Support 03L903143K
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BMW X1 E84 Parking Control Module Unit PDC ECU 9252637
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Seat module BMW G11 G20 G30 G01 G02 Seat Control Unit Module ECU 9891562
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Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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BMW X5 Series E53 Control Element Light Switch 8380255
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BMW X3 F25 N47N Diesel Engine Wiring Loom Harness Cable 8513414
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BMW F20 F21 F30 LCI F22 F32 G30 X3 F25 Starter Acoustic Vibration Plug 8571349
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Mini Cooper R61 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223M
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Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator 110A 03C903023G
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AUDI Q5 8R Quattro 3.0 TDI Diesel CCWA CCWB Starter Motor 059911022
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BMW X5 E53 Fuse Box Label Trim Cover Panel Sticker 6920035
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BMW F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Peugeot Partner B9 Alternator Generator VALEO 9810525380
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Volkswagen Touareg 7L Engine Starter Motor 077911023
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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BMW X5 Series E53 Drive For Window Lifter Front Right O/S 8381020
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Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365C
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302 0986024530
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BMW E36 E46 Engine Bay Battery Cable Guide 1436340
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Peugeot 207 1.6 HDI Diesel Engine Starter Motor Engine Unit 9646679980
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Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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Audi Q7 4L Navigation Sat Stereo Radio Audio Head Unit CD Player 4E0910888PX
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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 .