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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Part no. 8E0959651B
Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 8E0959651B
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Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530D
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Mercedes W212 Display Screen Multifunction Navigation Dashboard A2129015706
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Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
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Airbag Module Mercedes W207 C207 Coupe Air Bag SRS Control Unit ECU A2079014200
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Fuel Pump Module BMW F20 F21 F30 F31 N13 Petrol Control Unit 7447895
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Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301
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Peugeot 3008 Bluetooth Module Multimedia Control Unit ECU 9675359580
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Renault Trafic F83 M9R 2.0 DCI Engine Control Unit Module ECU 237101754R Manual
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BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297
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Renault Trafic Display Screen Sat Nav Navigation Unit Dashboard 259151852R
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GM Vauxhall Opel Relay 4-Pin Multi Use Glow Plug Unit Green 03447012
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Vauxhall Opel Relay 4-Pin Tyco Unit Yellow 90226846
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Mini R50 R52 R53 Radio Boost CD Player Head Unit 9142414
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Renault Trafic II CD Radio Audio Player Stereo Head Unit 281150049RT
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Mercedes W168 Vaneo W414 Diesel Engine Speed Starter Motor A0051511601
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Mercedes-Benz A W168 CDI Battery Terminal Positive Cable Wiring A1685401130
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Seat Wiring BMW F20 F30 F31 F34 Passenger's Side Cable Loom Harness 9264625
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549B
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Radio Head Unit Ford Transit 6000 CD Media Player Unit 8C1T-18C815-AD
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Mercedes W906 311CDI OM646.985 109HP Engine Unit Module ECU A6461506378 Manual
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Mercedes W906 OM651.957 Diesel Engine ECU Kit Unit A6519002600 Key Lock Manual
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BMW 3 Series F30 F80 M3 Boot Trunk Lid Tailgate Wiring Loom Harness Cable Set
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BMW 5 X3 Series E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Mini Cooper R56 Footwell Light Module ECU Control Unit Lear PL3 FRM II 3450980
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Renault Trafic Scenic 1.9 DCI Diesel Starter Motor Valeo 8200628419
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Ford Transit Battery Cover Fuse Box Trim Panel Lid YC15-10A687-A9W
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407832
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BMW E46 Coupe Convertible Door Wiring Passenger Side Cable Harness Loom 6903096
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Mercedes Vito W639 Door Module Front Right O/S Control Unit ECU A6399003200
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003100
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Part no. 7532140-4
BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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BMW X3 X5 E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Unit 6976963
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450601
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Ford Transit Fuse Box Cover Housing Lid Trim Cap 6C1T14A076C
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Audi A3 8P 2.0 TDI 140HP Diesel Engine Control Unit ECU Module DSG 03G906016DT
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BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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Audi A3 8P Body Control Comfort Unit Module BCM Unit 8P0907279C
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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
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Gearbox Module Mercedes S203 W203 C200 Automatic Control Unit ECU A0325453232
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Mercedes W203 Kompressor M271 Positive Battery Cable A2035400330
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Part no. 6C1T10A721AB
Ford Transit MK7 Battery Holder Bracket Mount Strap Clamp 6C1T10A721AB
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110718AB
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Sam Unit Mercedes S203 W203 Rear Module Fuse Box A2095450701
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8699973 Dual Clutch
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Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A2095420018
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CD Changer Mercedes W203 W209 W220 6 Disc Player With Magazine A2208274642
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BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
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PDC Display Mercedes W639 Front Parking Sensor Screen Control Unit A0015422623
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Mercedes CLK W209 Convertible Roof Top Control Unit Module ECU A2098204526
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Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
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Mercedes CLK W209 Convertible Fuse Box Rear SAM Module Control Unit A2095450901
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BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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ESP Sensor Mercedes W164 W221 Yaw Rotation Rate Sensor A0055422018
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Mercedes ML W164 Window Windscreen Rain Light Sensor A1648203085
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Ford Fiesta MK7 Display Screen Multifunction Radio Dashboard 8A6118B955BL
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BMW E93 ECU Body Control Module Unit PL2RR JBBFE IIIR H3 Junction Box 9227186
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Part no. A0009829508
Mercedes W205 W213 10Ah 170A Auxiliary Additional Generator Battery A0009829508
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Part no. 9247383
Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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Part no. 6853992
BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9266411
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9267535
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Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186
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BMW F30 F31 F32 F33 Central Information Display Screen 6,5" 9322120
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Amplifier Bracket BMW X1 F48 F46 Control Unit Module Holder Mount 6831329
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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BMW X1 F48 Differential Lock Module Rear Axle Control Unit ECU 8655341
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BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
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Part no. A2049067702
Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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Peugeot 3008 Wiring Loom Harness Cable 9665290180
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Mercedes-Benz C-Class W203 Antenna Amplifier Control Module Unit A2038701489
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI 9640825280
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Ford Transit Starter Motor Engine 2033125
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Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465408032
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Mercedes W212 Front Bumper PDC Wiring Parking Sensor Loom Harness A2124403758
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BMW E87 E90 116i 316i Petrol N45 Wire Wiring Harness Engine Gearbox Mod Loom
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Mercedes-Benz W169 W245 CD Player Radio Audio Head Unit A1698204789
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BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
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Part no. A2711540902
Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902
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Mercedes W176 A200 CDI OM651 136HP Engine Module ECU Unit A6519007003 Automatic
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Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201
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Mercedes-Benz S-Class W221 Multi Purpose Camera Control Unit Module A0009050538
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High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548
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Part no. 3508099
BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099
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Part no. Mini Lodgesons
MINI Cooper R50 Lodgesons Steering Wireless Control Unit Module System
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Part no. 2344232
BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 M57N Starter Motor 2,0 KW 2344232
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BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
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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 .