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 Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator Valeo 04E903023K
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Ford Transit Mk8 Fuse Box Power Distribution Junction Relay BK3T-14401-EWD
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Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Renault Master II Trafic II 2.5 dCi Engine Starter Motor Elstock 8200634602
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BMW F20 F21 F22 F30 F31 F32 F33 F36 Fan Motor Relay 9207913
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Mini R50 R53 6-Disc CD Changer Multichanger With Magazine 9131852
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Audi Q2 GA Air Module Control Unit 5QF959655BQ
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Mercedes W221 Seat Control Module Front Right O/S A2218707493
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Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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BMW F20 F30 Head Unit Display Screen Sat Nav Navigation Set 033830N 10,25"
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BMW E87 LCI E90 320i N43 170HP ECU Engine Control Unit DME 7580279 Manual
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Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627
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Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
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Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372
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BMW X3 Series E83 LCI 2.0d N47 Engine ECU Kit DDE 8506356 + EWS4 + Key Manual
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Starter Motor Vauxhall Astra Vectra Insignia 2.0 CDTI Diesel Engine 55353857
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BMW E46 E60 E61 E63 E64 Windscreen Wipers Relay Brown 8384505
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Mini Cooper R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711
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Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900
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Audi A3 8P 2.0 TDI 170HP CBBB Engine ECU Unit Kit 03L906022FD Key + Ignition
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BMW F20 F21 F30 LCI M140i 340i Wiring Harness Motor Sensor System Module 8631656
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Mercedes CL203 Antenna Amplifier Control Module Unit Aerial Booster A2038701689
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Engine Wiring Harness Mercedes W204 M271.820 Petrol Loom Cable A2711508833
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BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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Sunroof Wiring Volkswagen VW Tiguan 5N Roof Motor Cable Harness 5N0971100R
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BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6934552
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Mercedes W447 Door Control Module Front Left N/S A4479007706
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Fiat Doblo Engine Alternator Generator 46774430
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Fuse Box Peugeot 207 308 Battery Terminal Control Unit Module 9636079380
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Ford Mondeo MK4 Galaxy MK3 1.8 TDCI Diesel Engine Starter Motor 6G9N11000EC
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BMW F23 Cabrio Convertible Folding Top Module CVM 8 Unit 9378072
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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Mini Cooper F55 F56 F57 LED Navigation Visual Boost 6,5" Display Screen
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BMW F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 6872319
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Rear Bumper PDC BMW E65 E66 Front Ultrasonic Sensor Schwarz 2 Black 668
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Air Bag Module BMW E65 E66 Control Unit ECU Gateway Airbag Lear 6960943
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Wiring Harness BMW F10 F11 Front Bumper PDC Wiring Loom Cable 9241694
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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Mercedes W212 OM651.924 E220CDI 170HP Engine ECU Kit + Key + Lock A6519003701
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BMW E81 E88 E90 N43 118i 318i 143HP Engine Control ECU DME 7621178 Automatic
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Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 1-4 7843329
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Mini Cooper One R55 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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Engine Basic Control Unit Mini R50 R52 W10 ECU DME 7545789 Automatic
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BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Unit ECU DDE 8576341 Automatic
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Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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BMW F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9380883
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AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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Citroen Berlingo Peugeot Partner Battery Terminal Earth Cable Wiring 9676811780
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Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Engine Starter Motor 0986018840
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FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304
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Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
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Mini Cooper SD R55 R56 LCI R60 N47N 143Hp Diesel ECU Kit DDE 8519663 CAS3 Keys
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BMW 1 Series E82 E88 Positive Battery Lead Cable Wiring 9205480
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AUDI S8 D3 Access Start Comfort Kessy Control Module 4E0907181A
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Peugeot 307 CD Player Radio Stereo Head Unit 96766518XT00
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Mercedes Sprinter W907 W910 Front Door Module Control Unit Left N/S A1679008405
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BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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Battery Cable Mercedes W176 W246 Negative Harness Lead Terminal A2469069600
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Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943838
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Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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BMW F45 F46 F55 F60 B37 B47 Engine Starter Motor 8581788
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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BMW E93 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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BMW E60 E61 Positive Battery Cable Plus Pole Lead 6955061
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Audi RS3 8V Potential Power Distribution Junction Box Jump Point 1K0937517
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BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
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Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Volkswagen VW Golf Mk7 Infotainment Radio Multimedia Head Unit 3Q0035874A
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Mercedes W205 X253 Wiring Cable Harness Center Console A2054403008
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BMW F20 F30 Air Duct Front Slam Panel Flap Control Motor Drive Unit C11492-104
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BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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Mercedes ML W164 Air Module System Control Unit A1648209585
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Mercedes W176 W246 200 CDI 651.930 136HP Engine Unit ECU A6519009702 Manual
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Battery Cable Mercedes Vito W639 Negative Lead Wiring Harness A6395460121
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
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Parktronic Module Mercedes W221 Parking Aid Sensors Control Unit A2215400901
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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 .