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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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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VW Volkswagen Sharan 7N Rear Left Right Door ECU Module Control Unit 7N0959794G
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Mini Cooper R50 W10 116HP Petrol Engine Control Unit ECU DME 7527610 Manual
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VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6C0971235A
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VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6R0971537F
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Volkswagen Sharan 7N Air Module ECU Sensor Control Unit 7N0959655C
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Fuel Pump Module VW Volkswagen Sharan 7N Fuel Sender Control Unit ECU 7N0906093
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
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VW Volkswagen Sharan 7N Gateway Control Unit Module ECU 7N0907530S
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VW Sharan 7N Voltage Stabilizer Converter Electric Control Unit Module 3AA919041
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VW Volkswagen Sharan 7N 2.0 TDI 140HP CFFB Engine ECU Kit 03L906018HJ Key Lock
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Volkswagen Sharan 7N Engine Starter Motor Lucas 02E911024CX
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Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711
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Volkswagen Polo 6R Fuse Box Module Comfort BCM Body Control Unit ECU 6R0937087P
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VW Volkswagen Polo 6R PDC Parking Sensor Control Unit Module 6R0919475C
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VW Volkswagen Polo 6R Air Module Bag Control Unit 6R0959655K
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Radar Unit Mercedes W176 W205 W246 GLC C253 Front Bumper Sensor A0009058104
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Surround View Camera Mercedes W205 W447 Camera Control Unit Module A2059002629
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Mercedes GLC X156 Estate Trunk Lid Tail Gate Relay Amplifier Module A2229000618
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Amplifier DAB Mercedes W176 W204 W212 Control Unit Module ECU A1669007616
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BMW E61 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Mercedes W205 X253 Distronic Radar Sensor Cruise Control Unit Module A0009005109
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Mercedes W205 Harman Radio Stereo CD Player Audio Sat Head Unit A2059004236
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Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607
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Audi A6 C6 Door Window Motor Wiring Cable Loom Front Right O/S 4F0971687A
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Audi A6 C6 Front Passenger Side Door Left N/S Module Unit Control ECU 4F0959792E
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BMW F30 Front Light Lamp Adaptive Xenon Control Unit Module LEAR 7316142
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Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459
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Audi A6 C6 Front Impact Sensor Safety Crash Detection Module Unit 4F0959651
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Audi A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181C
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Mercedes W639 W906 W907 OM642 Diesel Engine Alternator Generator A0009062700
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Audi A6 C6 Front Right O/S Door Harness Cable Loom 4F1971030BD
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Audi A6 C6 Electric Parking Brake ECU Control Unit Module 4F0910801D
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Audi A6 C6 Diagnostic Interface Gateway Module ECU Control Unit 4F0907468M
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 8K0955559D
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B
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Audi A6 C6 6-Disc CD Changer Magazine Head Unit MMI 6946989
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Audi A6 C6 Comfort Body Module Fuse Relay Box Control Unit 4F0907289J
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Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
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Mercedes W164 W204 W211 C216 C219 M273 Starter Motor Assembly A0061513701
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Audi A6 C6 ASB 3.0 TDI V6 Starter Motor 059911024G
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BMW E90 LCI 330d N57 245HP ECU Engine Control Unit DME Automatic Gearbox
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Audi A6 C6 FL Xenon Headlight Light Ballast Control Unit 4E0907476
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Audi A3 8P Steering Angle Steering Wheel Column Control Module ECU 8P0953549K
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Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801A
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302 0986024530
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Mercedes W124 M103 Alternator Generator BOSCH 14V 70A A0131541002
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Radio CD Player VW Volkswagen Caddy 2K Touran Head Unit 1K0057186AN
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Mercedes R172 SLK500 M274 Engine Control Unit Module ECU A2749000900
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Volkswagen Caddy Maxi Front Door Right O/S Electrical Wiring Harness 2K5971557
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PDC Wiring Mercedes R172 Parktronic Parking Sensor Cable Rear A1725407805
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Volkswagen TOURAN 1T Body Control Comfort Unit Module BCM Unit ECU 1K0959433AR
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VW Volkswagen Caddy Maxi Interior SRS Air Module Unit Control Sensor 2H0959655B
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VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K
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VW Volkswagen Caddy Maxi Fuse Box Control Unit Power Distribution 1KO937125D
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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 .