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 Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740
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VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
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BMW E81 E87 E90 Hands Free Electronics Charging Bluetooth Module MULF 6950089
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BMW E81E88 E90 E92 Speed Sensor Yaw Rotary Rate Sensor Adaptive Steering 6784961
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475L
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Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902
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Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
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Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
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BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8674691
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9160186
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
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Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
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BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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BMW F01 730d N57 245HP Engine Control Unit ECU Module DDE 8516753 Automatic
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Mercedes W211 Door Module Front Left N/S Driver Control Unit ECU A2118208185
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Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
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BMW 3 X3 X5 E46 E53 E83 Mini R50 DVD GPS Navigation System Computer Unit DAMAGE
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Vauxhall Vivaro B Radio Stereo Head Unit Mount Bracket Holder Support 93867998
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Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267
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BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
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BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
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MINI Cooper R50 R52 R53 W10 116HP Engine ECU Control Unit DME 7545789 Manual
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Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Audi S4 B8 3.0 TFSI CGWC 333HP Quattro Engine Control Module ECU Kit 8K5907551B
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BMW 1 Series E82 Wiring Loom Set Rear Complete Harness PDC Parking Sensor
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Mini Cooper One R50 R53 Adapter Lead Rear Window Wiper Motor 6948099
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Mazda 6 GJ Engine Starter Motor 2.2 Diesel M001T81582
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Mercedes-Benz C ML W203 C209 W163 6 CD Changer Magazine Cartridge A0028206289
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Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704
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Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002
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Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
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BMW E60 Light Control Unit Module LM E6X Lear 6948578
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS 3 + Key Manual
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003101
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Audi A3 8P Stereo Radio Audio CD Player Head Unit 8P0035152E
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
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BMW X5 Series E53 Professional CD Radio TMC 6922510
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Mini Cooper R50 R52 6-Disc CD Changer Multichanger Unit With Magazine 9112761
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BMW F83 M4 S55 Petrol Engine Fuel Pump Control Module Unit ECU 7426094
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Front Impact Sensor BMW F70 G05 G14 G15 U06 Safety Crash Module Unit 9496817
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BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
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BMW E60 E61N LCI E65 EDC-K Control Unit Moudule ECU 6759599
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BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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BMW E65 E66 E67 Earth Ground Battery Strap Cable 7518610
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Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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VW Volkswagen Fox 5Z 1.2 CHFB Engine Wiring Loom Harness Cable Loom 03D971595CJ
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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Mini R57 Convertible ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Audi A6 C7 Front Lamp Headlight Control Module Unit ECU Controller 4H4907357E
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Mini Paceman R61 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Mini Cooper R56 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
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Mercedes-Benz A W168 Door Cable Harness Wiring Loom Rear Left Right A1685402508
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Mercedes W221 Radio Multimedia Head Unit A2219006303
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Volkswagen Golf Sportsvan 1.5 TSI Alternator Valeo 14V 140A 04C903021A
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Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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Mercedes ML W164 Distronic Radar Sensor Cruise Control Unit Module A2165402945
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Mercedes CLK W209 Fuse Box Relay Control Unit Module SAM Fuse Box A2095450001
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Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3457029
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BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
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BMW E87 E90 120i 320i N46 150HP ECU Engine Control Unit DME 7552176 Automatic
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Mercedes W213 SD Card Garmin Map Pilot Navi Europe 2019 A2139062607
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Audi A4 S4 B7 Cabrio Air Module Control Unit ECU Impact Sensor 8H0959655E
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BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6985501
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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 .