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 W211 S211 OM646 Diesel Engine 200A A0131545902
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Audi A7 4G 3.0 TDI Alternator Generator 059903018TX
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Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253
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BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
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Ford Transit MK8 Fuse Box Relay Body Control Comfort Module BCM BK2T14B476BU
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BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740
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Mercedes W204 W207 Centre Console Connector AUX USB Port Socket Trim A2078210411
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Audi Q7 4L Headlight Level Range Adjustment Module Control Unit 4L0907357
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9365764
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Audi RS3 8V Front Windscreen Rain Light Solar Sensor Unit 8U0955559C
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Mini One 1.6i R50 W10 90HP Engine ECU Kit DME 7520019 + EWS + Key Automatic
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Volkswagen VW LT 35 Diesel Engine Starter Motor Unit Napa 069911023LX
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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Mini Cooper F55 F56 F60 Windscreen Rain Light Solar Sensor Control Unit 9877611
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BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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BMW 1 X1 X2 Series F39 F40 F48 Mini Cooper One F55 F56 Earth Cable Wire 8602994
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Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
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Mercedes W205 Center Console Ambient Lighting Light Wiring Harness A2055402324
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Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
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Volkswagen Transporter LT 35 2.5 TDI Alternator Bracket Vw 074145169F
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Volkswagen Transporter T5 Control Unit Air Module ECU 7E0959655B
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Battery Cable BMW E90 E91 E92 E93 Positive Lead Battery Wiring Harness 6938504
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Ford Transit MK7 Body Control Unit Module BCM Fuse Box CC1T14A073BD
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM3R 9224593
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Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129005010
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373
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Citroen C4 Starter Motor Diesel Engine HDI Actuator Unit 9664016980
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BMW Mini Cooper One R55 R56 R57 Radio Boost CD Player Unit Head 3454567
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Mini Cooper R56 Automatic Gearbox Basic Control Unit EGS 7574294 7571340
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475AA
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BMW F30 Fuel Pump Module Fuel Pump Control Unit ECU 8699235
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Mercedes W203 Battery Terminal Fuse Box Electrical Unit A2035450803
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BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559
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Peugeot 408 Tailgate Release Opener Sensor Module Control Unit 9809260680
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Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
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GPS Navigation BMW E81 E90 LCI Business System Car Infotaiment Computer CIC
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BMW E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201
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Mini Cooper One R56 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Mini Cooper One R56 High SPEG Fuse Distribution Box SPEG High 3448964
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BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7812500 + CAS3 + Key
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BMW X3 Series E83 2.0d Engine M47N2 150HP ECU Kit DDE 7803373 EWS3 + Key Manual
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Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958
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Footwell Module Mini R56 Cooper Light LOW EKS ECU PL3 FRM3R Lear 3456034
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Mercedes R172 Security Alarm Interior Protection Sensor Module Unit A2319052600
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BMW 5 7 Series E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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Mercedes ML W164 W204 W211 CLS C219 Acceleration Sensor Module Unit A0045423518
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Mercedes Vito W447 W639 Battery Terminal Protection Cap Cover A6395460035
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BMW 7 Series 1 E65 E66 Battery B+ Engine Compartment Terminal Point 8385164
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BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Battery Cable Mercedes W176 Negative Lead Wiring Harness Control A1665420018
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BMW E61 LCI Body Gateway Module KGM HIGH 27 D-Can LEAR 9197317
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Airbag Module BMW F45 X1 F48 Mini F54 F55 F56 Air Bag Control Unit ECU 9367835
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Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
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Navigation Processor Mercedes W176 W212 Control Unit Module NTG 4.5 A1728100011
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Audi A4 B8 Radiator Fan Relay Radiator Electrical Module Control Unit 8K0959501E
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Mercedes W176 W246 Comfort Module Central Gateway Control Unit VST A1769001101
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Comfort Module Audi A6 S6 RS6 C6 4F Convienience Unit ECU 4F0910289N
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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107N
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BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
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Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D
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Fuel Pump Control Audi TT FV A3 8V Petrol Engine Unit Module 5Q0906093
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BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
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Door Cable Mercedes W212 Wiring Loom Front Right O/S Driver Side A2124401251
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Mercedes Sprinter W906 Radio Player Stereo Audio Head Unit A9069001203
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Audio Amplifier BMW F20 F21 LCI Mini F56 Top Hifi Harman Kardon Unit 6836346
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Mini R60 Xenon Headlight Adaptive Ballast Control Unit 7171587
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BMW E90 LCI F01 F10 F11 F20 F21 Control Unit Xenon Light 7237647
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6958040
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Audi A4 B7 Bluetooth Module Interface Control Unit Hands Free 8P0862335D
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BMW 5 Series E60 LCI Light Control Unit Module LCM LM E6X LWR LEAR 9154943
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Mini R55 R56 R60 Daytime Running LED Fog Lights Module Set 2348833
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BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9229878
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BMW F30 F32 F80 M3 F82 M4 1 Rear Antenna Aerial Amplifier AM/FM DAB
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BMW 7 SERIES E65 E66 E67 Sensor, B-pillar left airbag N/S 65776946111 6946111
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Seat Ibiza 6J Door Wiring Rear Right O/S Harness Loom Cable 6J4971161M
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Mercedes W140 Electric Seat Adjustment Control Unit Module ECU A1408205126
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Xenon Adaptive Headlight Module BMW F22 F23 Control Unit Driver Module 7363090
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Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE000051
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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 .