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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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A A6461540102
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Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
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Audi TT FV Mk3 8S Gateway Module Interface Data Bus Control Unit 8S0907468D
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD
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BMW E92 LCI Footwell Xenon Light Control Unit Module Lear FRM3R PL2 9240528
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Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen 8,8" Unit 9232896
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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Mercedes W202 C208 W208 Alarm Sensor Module Unit A2088206010
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Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530
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Audi A3 8P 2.0 TDI 170HP BMN Engine Control Unit ECU 03G906018DN Automatic
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BMW X5 F15 X6 F16 30dX N57N 258HP Engine ECU Kit DDE 8586540 BDC Key Automatic
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Mercedes R129 W202 Relay Green Control Unit 12V 30A A0045450405
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BMW 3 4 Series F80 M3 F82 M4 LCI Fuel Tank Heat Insulation Plate 8055326
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BMW X3 E83 LCI Petrol N52N Cable Alternator Starter Base B+ 3415607
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Mercedes Sprinter W907 Battery Cable Alternator Wiring Loom Harness A9075400186
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Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515
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Engine Control Unit Peugeot Partner B9 Module ECU 9HN 1.6 Diesel 9807885980
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Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226
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BMW E46 Petrol Engine Starter Motor 1,4kW 7505979
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Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ
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Alternator Generator BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Petrol 180A 7550469
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Mercedes GLE W166 Wiring Harness Automatic Gearbox Cable Loom A1664403436
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BMW 3 5 Series E60 LCI E90 325d 525d M57N2 ECU Control Unit Basic DDE 7809941
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Mini R50 R52 R53 Steering Wheel Horn Switch Right O/S 6800903
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MINI Cooper R58 R59 Aerial Antenna Amplifier Module Rod 3456397
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Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900
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Alternator BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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BMW X3 E60 E61 E83 Front PDC Parking Distance Sensor Le Mans Blau - 381
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BMW E93 LCI Convertible Light Module Footwell Module PL2 FRM3R Lear 9308366
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Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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BMW F01 LCI F10 F12 High Voltage Battery Charging Unit Module BCU 150 9240236
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VW Volkswagen Phaeton 3D BCM Body Comfort Control Unit Module ECU 3D0959933F
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Audi TT 8S Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357G
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Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808
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Mercedes W906 314 CDI OM651 143HP Engine Unit Module ECU Automatic A6519003403
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Mercedes-Benz A-Class W168 Sensor Mat Seat Occupation Recognition A1688207310
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Ford Focus MK2 Mondeo MK4 1.8 TDCI Glow Plug Wiring Loom Cable Wire 4M5Q6M091AB
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Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200
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Volkswagen New Beetle 1.4 TSI Petrol Engine Alternator Motor 14V 110A 03C903023F
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BMW 5 6 Series E60 E60N E61 E61N E63 Terminal B Point Engine Compartment 6923945
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BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Kit DDE 8510592 CAS3 Key Manual
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Mercedes C117 W166 W176 W205 X253 Relay Black Control Unit 4 Pin 12V A0025429319
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Audi A1 8X Driver's Seat Cable Seat Belt Warning Wiring Loom Harness 8X0971365
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Porsche Macan 95B-2 Rear Door Card Wiring Harness Left Right N/O/S 95B971693F
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Volkswagen VW Phaeton 3D PDC Parking Sensor Control Unit Module 3D0919283C
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BMW E60 E65 Petrol 530i 730i M54 Engine Control Unit DME 7527072 Automatic
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Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903
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BMW F20 F30 120d 320d N47N 184HP ECU Kit Control Unit DDE 8579478 FEM Key
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Mercedes ML W163 Module SAM Electronics Control Unit A1635457032
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Peugeot 307 Citroen Berlingo C4 Glow Plug Wiring Loom Cable Wire 9657700780
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BMW F20 F21 F30 116d 316d N47N 116HP ECU Kit DDE 8578945 + 2 Keys + FEM Manual
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Vauxhall Corsa D 1.3 CDTi Alternator Generator Electrical Unit 101210-0961
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TAB AG80 AGM Start Stop Car Battery 80Ah 800A 12V
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Audi TT FV HV Battery Negative Terminal Cable Harness Loom Wiring 8S0915181A
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BMW F46 LED Headlight Control Module Unit 1308310404
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
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Opel Insignia A 2.0 Cdti Oil Level Crankshaft Sensor Wiring 55568953
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Mercedes SLC R172 PDC Parking Sensor Module Unit ECU A1729007313
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BMW E81 E87 LCI E90 E91 Petrol N43 Alternator Generator 170A Denso 7550468
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Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804
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Mercedes GLE C292 Coupe Trunk Lid Module Automatic Closing A2929007101
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VW Volkswagen Phaeton 3D Rear Tailgate Boot Lid Control Module Unit 3D0909610B
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Mini Cooper D R55 R56 R60 N47 112HP Engine ECU Kit DDE CAS 3 Key 8519663 Manual
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Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691
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GM Vauxhall Opel Relay 4-Pin Multi Use Glow Plug Unit Green 03447012
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Mercedes W639 PDC Display Parking Sensor Screen Control Unit A0015422623
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Volkswagen VW Passat B7 Driver's Seat Control Unit Module ECU 3C8959760E
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BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6826790
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Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual
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Aerial Roof Antenna Mini R56 Base Unit Module R55 R57 3442133
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Audi A5 8T Remote Radio Alarm Key Button Control Unit Module 868 MHZ 8T0959754
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Alternator Mercedes W166 W213 C292 OM651 Generator 14V 250A A0009060903
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Opel Zafira Insignia 2.0 A20dth Cdti Glow Plug Wiring Loom Harness 55567591
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BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277
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Communication Module Mercedes R172 C117 W176 Hermes LTE Control Unit A2229004519
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Mercedes W177 W205 C257 Radar Sensor Front Control Unit Module A2139002817
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Porsche Macan 95B Antenna Amplifier Control Unit Module Holder Bracket 95B907515
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Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player Screen 5E0919605J
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Porsche Cayenne 9PA Negative Minus Pole Battery Terminal Cable 7L0971225J
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Peugeot Partner Battery Starter Alternator Wiring Harness Cable 9803511080
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Audi Q3 S Line Fuel Pump Relay Control Unit Module ECU 5N0906093C
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BMW F46 Light Control Module Unit Basis 1308310406
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Land Rover Freelander 2 Yaw Rate Sensor 6G9N-14B296-AB
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BMW E39 Alternator Generator 14V 50/90A 1432978
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Ford Transit Custom 2.2 TDCi Diesel Starter Motor WaiGlobal 12V 33243N
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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 .