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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ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
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BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
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Seat Leon Mk2 1P Interior Headliner Ultrasonic Motion Alarm Sensor 1P0951171
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VW Volkswagen Polo Mk5 6R Radio Multimedia Display Navigation Unit 6C0919603A
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Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038704589
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Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R
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Alternator BMW F30 F32 N57N 330d 430d Diesel Engine Generator 230A Valeo 8509224
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BMW E60 E63 E64 On-board Navigation Monitor Display Screen 6,5"
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BMW E46 M3 Coupe Door Wiring Loom Harness Cable Driver's Side 6935219
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8580307 CAS3 Key Automatic
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Mini F54 F55 F56 Operating Unit Audio Radio Control Switch Panel 6820386
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Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Automatic
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Porsche Cayenne 9PA Body Comfort Module Control Unit ECU 7L0959933D
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Mercedes W176 W246 Door Front Left N/S Control Unit Module ECU A1669004102
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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Audi S6 C6 Steering Wheel Multifunction Wiring Loom 4F0971589A
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Airbag Module Mercedes W169 W245 Air Bag Sensor Control Unit ECU A1698207826
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Audi A4 B8 A5 8T Radio Media Player Audio CD Head Unit Player Concert 8T2035186C
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BMW 1 Series E81 Body Control Module L2 61359264569 9264569
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Audi A3 8P Gateway Module Diagnostic Interface Control Unit ECU 1K0907530P
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Ford Mondeo Mk4 Battery Terminal Cable Wiring Connecting 8G9T-14A280
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Door Wiring Mini F55 F56 R60 Rear Right Left N/O/S Harness Loom Cable 9360357
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Footwell Module Mini R56 LCI Light Low EKS ECU PL3 FRM3R Lear 3457426
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Skoda Octavia II Radio Control Autoradio Head Unit Stream MP3 1Z0035161C
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Volkswagen Fox 5Z Air Module Control Unit ECU Module 1C0909605K
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CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046
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Mercedes W639 109CDI 646.980 Engine ECU Kit Ignition + Key + Lock A6461507272
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Mercedes R350 V251 Head Unit Radio Player Navigation Media Bluetooth A2519005200
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BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Audi A8L 4H Voltage Converter Stabilizer Control Module Unit ECU 8K0959663C
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Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128
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Mercedes R171 SLK200 271.944 163HP Engine ECU Kit A2711534691 Key Lock Ignition
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VW Volkswagen Tiguan 5N Bluetooth Interface Control Module ECU 3C8035730
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Door Module BMW E39 Passenger Door Control Module Hella 8378766 6904242
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BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479
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Air Module Mercedes W907 W910 Control Unit ECU A2139008828
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Porsche Boxster 986 Air Module Control Unit Controller ECU 99661821900
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BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747
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Mercedes W164 ML320 4-Matic OM642.940 Diesel Engine Unit ECU Kit A6421509478 Key
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118705694
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Audi A8 S8 D3 Electric Parking Brake Module Handbrake Control Unit 4E0907801B
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BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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BMW E60 E63 E64 E65 PDC Parking Control Module Unit ECU 6930204
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BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Mercedes Vito W639 Diesel OM646.980 Engine Control Unit Module ECU A6461502634
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BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
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Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651
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Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880
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BMW E87 E90 N46 120i 320i 150HP Engine Unit ECU kit DME 7565300 CAS3 Key Manual
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BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992
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VW Volkswagen Golf Mk7 Front Impact Crash Air Module Sensor 5Q0959655AA
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Alternator Generator Mini R56 Petrol Engine Motor Bosch 150A 7553009 DRA0214
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Hands Free Control BMW E81 E87 E90 Electronics Charging Module MULF 6965406
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Mercedes W205 Air System Control Unit Module ECU A2059001814
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Ford Transit Mk7 Starter Motor Engine Actuator Diesel 2.2 TDCi 6C1T-11000-AB
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BMW 7 Series E65 E66 E67 Sensor B-Pillar Airbag Right O/S 6970894
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Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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BMW X5 E53 Base B Positive Battery Terminal Cable Cover Compartment
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Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009007009
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Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key
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Mercedes S212 Estate Roof Antenna Cover Shark Cosmos Black Metallic - 303
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Alternator Generator Mini Cooper R55 R56 R57 R57 R58 LCI Petrol 7574365
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VW Volkswagen Polo GTI 6R Golf Mk7 Alternator Generator 14V 140A 6J903023G
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Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672
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Mercedes Sprinter W906 Becker Map Pilot Navigation Module Sat Nav Navi Europe
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Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Mercedes-Benz B-Class W245 180CDI Engine Wiring Harness Loom Cable A6401504033
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Mercedes W168 A160 102HP Engine Control ECU Kit A0275454132 + 2 Keys Automatic
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Volkswagen VW New Beetle 1.9 TDI BSW Engine Unit ECU Kit 038906019NN Key Manual
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BMW 5 6 Series E60 E63 On-board Navigation Display Monitor Screen 6,5" 6957342
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VW Volkswagen Golf Mk7 Wiring Loom PDC Front Harness Parking Sensor 5G0971095A
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Mercedes W211 CLS C219 Alternator Generator OM642 Diesel 14V 180A A0131547002
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Engine Control Unit BMW E81 E87 E90 E91 LCI N47 Diesel ECU DDE 8512499
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Starter Motor Mini Cooper One F54 F55 F56 F57 F60 B37 B47 Engine 8570845
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BMW E39 E46 E53 Radio BMW Professional TMC 65128385897 8385897
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Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901
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Audi A3 8Y LED Headlight Headlamp Ballast Control Module 4K0941572CS
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BMW E81 E87 E90 E91 E92 LCI Combox Telematics Module Navigation 9251748
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Ford Transit Custom Mk8 Rear View Reversing Top Camera Unit KK3J-19J226-BA
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Ford Transit Mk7 Handbrake Wiring Cable Battery Wire Cabling 6C1T-14K076-CC
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Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
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Audi Q2 GA Wireless Charger Centre Console Phone Charging Module Unit 4N0035502B
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Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Part no. 7810001-1
BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6952986
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Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435
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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 .