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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Light Module Mini R55 LCI Cooper ECU Footwell FRM3R LOW EKS Lear 3456394
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Audi A3 8V 1.6 TDI CRKB 110HP Engine ECU Kit Ignition + Key 04L907309E Manual
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BMW X2 F39 F40 F44 F45 F46 F52 Air Quality AUC Sensor 9872066
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Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module A2049009501
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Volkswagen LT 35 Door Module Central Locking System Module Unit 2D0959800
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BMW E46 Audio Amplifier Hifi Harman Kardon Sound System 8380068
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Mercedes W204 Parking Control Unit Module ECU A2049012604
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VW Volkswagen Audi Seat Skoda Alarm System Siren Anti-Theft Signal 1K8951605
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Mercedes Vito W639 Automatic Gearbox EGS53 Control Unit Module ECU A0009001700
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Ford Transit Heat Shield Insulation Alternator Engine Cover CC11-199049-AA
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BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
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Audi A4 B9 Front Door Control Module Unit Driver's Side 8W0959593E
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BMW E81 E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Automatic
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Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E
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VW Volkswagen New Beetle 1.6 BFS Petrol Starter Generator Motor 02A911023L
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BMW E87 ECU Body Control Module Junction Box PL2RR H2 9247472
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VW Volkswagen Touareg 7P Dashboard Multimedia Display Screen Panel 7P6919603
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BMW F20 F21 LCI M140i B58 Engine Wiring Cable Aquamist Water Methanol 8631668
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Mercedes W205 S205 W447 Seat Module Front Memory Control Unit A2059004607
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Land Rover Freelander 2 L359 Radio Display Screen Unit DH52-18B955-AC
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Mercedes Vito W639 Parking Sensor Warning Device Display A0015422623
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Mercedes W906 OM646.985 109HP Engine Unit Module ECU Kit Key A6461506378
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Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
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Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
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Mercedes W204 W207 W212 Alternator Generator Engine Diesel 180A 14V A0009067702
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Starter Mercedes Sprinter W906 Diesel Engine Starter Motor Valeo A0061517401
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Mercedes X253 Central Control Unit Electronic Module A2139006633
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BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Automatic
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 9231320
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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VW Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 CGPA Petrol 03F971612
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Skoda Rapid NH1 1.4 TSI Petrol Alternator Generator Bosch 04E903021M
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BMW 1 Series E87N LCI Light Module LOW LCM Footwell Module PL2 FRM II 9166706
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Audio Amplifier Mini R55 R56 Alpine Hi-Fi System Amplifier Booster 2153319
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BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Unit Basic 6821139
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Audi A4 B7 1.8T BZB 163HP Engine Control Unit Module ECU Set 8E0909518AQ
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BMW 3 Series E90 E92 M3 Throttle Body Position Hall Sensor Unit 7841706 7841704
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Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6868257
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Mercedes C207 Stereo Radio CD Player Head Unit A2129004008
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Mercedes R171 SLK 200 M271.944 163HP Engine Module ECU Kit A2711538579 Key Lock
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Audi A7 4G PDC Sensor Wiring Loom Harness Cable Front Bumper 4G8971095C
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Mercedes V177 Head Unit Media Player Audio Radio Controller A1679001014
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BMW X3 E83 2.0i N46 150HP Engine ECU DME 7561834 Manual
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Mercedes R171 Convertible Roof Top Control Unit Module ECU A1718204226
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Renault Master III Vauxhall Movano B 2.3 DCi Diesel Starter Motor 233003407R
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Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712
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BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
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Audi Q2 GA Head Unit Navigation Multimedia Control Unit MMI 81A035043
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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Nissan Qashqai Diesel Engine Starter Motor Actuator Starter 23300JG70A
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Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801
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Peugeot 207 1.4 HDI Fuse Box BSI Control Unit Module ECU 9659285480
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9286156
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Mini One D R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8519663 + CAS3 + Key
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BMW 5 6 Series E60 E61 E63 E64 Steering Wheel Airbag Wiring Loom Cable Plug
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Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181B
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Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K
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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 .