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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Mercedes W168 Vaneo W414 Diesel Engine Speed Starter Motor A0051511601
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Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
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Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207026
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Volkswagen VW Passat B7 Driver's Seat Control Unit Module ECU 3C8959760E
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BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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BMW 3 5 X5 Series E39 E46 E53 6-disc CD Changer Without Magazine 6908949
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BMW 1 3 5 F10 F20 F30 Can Bus Interface Data Terminating Resistor 586509
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BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200
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AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
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Vauxhall Movano A 2.5 CDTI G9U 650 Engine Module Unit ECU 8200635663 Manual
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9394669
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Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698202675
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BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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Audi Q5 8R Reversing Camera ECU Control Unit Module 8R0907441A
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Audi A7 S7 4G8 A8 D4 4.0 TFSI Starter Motor Denso Petrol Engine 079911024
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Fuse Box Audi A3 8P Volkswagen Golf Mk5 Cover Trim Panel Housing 1K0937125C
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VW Volkswagen Touran 1T 1.4 TSI Starter Motor Petrol Engine Unit 02Z911023G
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Ford Transit MK7 Diesel Engine Wiring Loom Harness Cable CK3T12B637GAF
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Mercedes Sprinter W907 Fuse Box Battery Relay Gruner A0009824823
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Volkswagen New Beetle 1.4 TSI Petrol Engine Alternator Motor 14V 110A 03C903023F
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Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303
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BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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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 E46 Coupe Convertible Door Wiring Passenger Side Cable Harness Loom 6903096
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BMW 5 6 E60 LCI E63 Radio CHAMP Business Player System Controller 9192680
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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 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9230454
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BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
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Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Mercedes GLC X156 Estate Trunk Lid Tail Gate Relay Amplifier Module A2229000618
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Peugeot 207 Airbag Module ECU Control Unit Air Bag 9663593480
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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BMW 5 X3 Series E60 E61 E83 Front PDC Parking Distance Sensor Orientblau Blue
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Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 + 2 Keys 7610011 Manual
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BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09264978
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BMW F20 F23 F11 N55 Engine Wiring Harness Motor Adapter Sensor System 2 7592529
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BMW F10 F20 F30 F32 Fuel Pump Control Module Unit 7426095
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Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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BMW E60 E90 325i 525i N53 218HP ECU Engine Control Module DME 7588620 Automatic
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Audi A3 8P Volkswagen Touran Mk1 Skoda Yeti Engine Fuse Box 2.0 TDI 1K0937125D
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Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A
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BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
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Mercedes W906 Fuse Box Control Unit Module ZGS Temic A9069006303
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Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
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Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716
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Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802K
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Audi A3 8V 2.0 TDI Engine Starter Motor Bosch 02E911024A
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BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359
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Mercedes C204 C207 C214 C218 Module Fuel Pump Control Module Unit A0009004301
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Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900
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BMW E90 Body Control Module BCM ECU Junction Box Footwell 6135 9176880
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Renault Kangoo Mercedes Citan W415 Engine Starter Motor 1.5 Diesel 233008223R
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BMW 1 3 Series E81 E87 LCI E90 N47 120d 320d 177HP ECU Kit DDE 7811700 CAS3 Key
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Surround View Camera Mercedes W205 W447 Camera Control Unit Module A2059002629
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Mercedes W169 W245 Engine Starter Motor A0041518501
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BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Porsche Macan 95B Audi A8 D4 Starter Motor 12V DENSO 95860411300 06M911024
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Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Mercedes Sprinter W901 W638 Fuse Box Relay Control Unit Module A0005400650
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Audi A3 8V Engine Starter Motor Actuator Starter 0AM911023G
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Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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Mercedes W211 W220 Crash Sensor Left Right N/O/S A0025426918
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Audi TT FV 2.0 TFSI CHHC HV Battery Power Central Distribution Point 8S0915459A
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BMW E60 LCI Light Control Module Unit Controller Lear LME6X AHL 9154944
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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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 .