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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Audi A4 B8 B9 A6 C8 Engine Starter Motor Denso 2.0 TFSI Petrol 06Q911024
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Starter Motor Renault Trafic II Opel Vivaro A Diesel 2.5 dCi 8200106788
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On-Board Screen BMW F30 F31 Central Information Display Monitor 8,8" 9281688
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BMW Mini Cooper R55 R56 RGB Cabel Radio Display LVDS Cabel CCC KKB 9114920
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Seat Ibiza IV Multimedia Radio Sat Nav CD Player Head Unit 5QA035858A
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Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
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BMW E60 525i M54 192HP ECU Engine Control Unit Module DME 7533651 Automatic
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BMW F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 6872319
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VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549A
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VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
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BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392
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BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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Starter Motor AUDI Q7 4L VW Touareg MK2 3.0 TDI Diesel Starter 059911024K
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Audi Q5 FY Rear Door Wiring Harness Loom Cable Left Right N/O/S 80A971687H
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BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 9399427
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BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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Mercedes C117 W166 W176 W222 W246 Relay Black Control Unit 12V 20A A0025429219
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PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710
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Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828
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BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Renault Kangoo Mercedes Citan W415 Engine Starter Motor 1.5 Diesel 233008223R
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BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
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BMW E64 E85 Sensor B Pillar Air Module Unit Left N/S 6940299
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Audi Q7 4L Bluetooth Module Multimedia Control Unit ECU 4E0035729A
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BMW 5 6 Series E60 E63 On-board Navigation Display Monitor Screen 6,5" 6957342
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Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802
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BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE 7798179 CAS2 + Key
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BMW F45 F46 F48 ECU Body Domain Controller BDC Control Unit Module 5A402E6
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Mercedes W177 W213 Engine Wiring Harness Loom E220d Diesel A6541500800
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Audi A6 C7 Multimedia Radio CD Player Head Unit 4G0035192H
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Mini Cooper R56 N12 W16 Alternator Generator Napa 7575650
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Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Audi A3 8P 2.0 TDI 170HP BMN Engine ECU Kit Key + Ignition 03G906018DN Manual
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Fuel Pump Control Audi TT FV A3 8V Petrol Engine Unit Module 5Q0906093
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Head Unit Mercedes C207 W212 High Line Radio Sat Nav DVD Bluetooth A2129006709
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Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655H
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Mini F55 F56 PDC Parking Distance Sensor Module Control Unit ECU 9366920
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BMW 1 3 X1 Z4 Series E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6952296
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Amplifier Bracket BMW X1 F48 F46 Control Unit Module Holder Mount 6831329
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Ford Transit Battery Cover Fuse Box Trim Panel Lid YC15-10A687-A9W
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BMW E85 Roadster Cabrio Safety Information Air Module 6939811
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VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035191R
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Audi A4 B7 1.9 TDI Engine Control Unit Module ECU 03G906016JA Manual Gearbox
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Volkswagen Polo 6R Engine Starter Motor Assembly Unit 0AM911023F
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BMW 3 5 Series E60 E90 E91 330i 530i N52 Engine ECU Kit DME CAS2 Key 7561684
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Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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Mercedes W177 M282 Petrol Engine Starter Motor A2829061900
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine Unit ECU Kit DME 7620985 Manual
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BMW F20 F30 F32 120d 320d 420d N47N Engine ECU Kit DDE 8578946 FEM Key Manual
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Audi A3 8P BCM Body Control Module Unit ECU 8P0907279N
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Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 9243645
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BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9191568
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BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + 2 Keys
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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Mercedes W447 Comfort Control Unit Module A4479009509
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Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
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Mercedes S212 E220CDI OM651.924 170HP Engine Control Unit ECU Kit A6519005301
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Mercedes W221 Front Door Module Right O/S Control Unit ECU A2219007601
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BMW MINI Cooper One R50 R53 1 Wave Radio Cassette Headunit Tape Player 6921593
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Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515
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Volkswagen New Beetle Earth Ground Cable Negative Battery Lead Wiring 1C0971235A
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
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Mercedes C207 Door Module Rear Left N/S Control Unit ECU A2079003700
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Cable Wiring Mercedes W177 W247 Fuel Pump Sending Unit Plug Socket A1775404910
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Volkswagen Polo 6R Audi A1 8X Alternator Generator 14V 110A 04E903015A
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Mini F54 F55 F56 F60 Navigation Media Radio Sat Nav Head Unit 5A4F856
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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 .