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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Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405
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Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700
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Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301
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Module Mercedes W177 W247 Instrument Cluster Control Module A2479001608
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Mercedes ML W164 W251 SAM Module Control Unit ECU A1649004600
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BMW F20 F21 F30 F31 F32 F33 Alternator Generator 150A N47N Diesel 8519890
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Audi A8 4E S8 D3 Comfort Module Electric Steering Column Unit 4E0907279S
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Headlight Module BMW F07 F10 LEAR TMS Headlamp Control Unit Module 7258278
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Relay Mercedes W124 E280 Petrol Fuel Pump Cut Off Relay A0035452405
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Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
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Alternator Citroen Berlingo Peugeot Partner Diesel 1.6 Hdi Alternator 9665580680
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Mercedes ML W164 Control Unit Module Fuse Box SAM A1645404601
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Mercedes Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600704
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BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM III 6914655
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BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9068201589
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Audi Q2 GA A3 8V Front Door Control Module Unit Right O/S 5Q0959393K
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BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor SET X4 Kaschmirsilber
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + 2 Keys
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BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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BMW F20 F21 F30 F31 F32 BCM Body Control Unit Module REM 9329701
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Mercedes C253 Fuel Pump Module Control Unit ECU A0009002218
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Mercedes GLC X156 Estate Trunk Lid Tail Gate Relay Amplifier Module A2229000618
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Starter Ford Mondeo MK3 2.0 TDDi Mk4 2.0 Tdci Diesel Engine Starter Motor
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Audi A6 C6 Body Control Comfort Unit Module BCM Convenience Unit 4F0907279B
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Renault Master II Trafic II 2.5 dCi Diesel Engine Starter Motor Valeo 8200634602
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Road Top HD Digital Decoder Retrofit Kit Module Camera CarPlay Control Unit
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Radio Professional BMW E81 E82 E87 E88 E90 E91 E92 E93 Autoradio CD 9231928
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Chip Power Box Remap Module Control Unit Wiring Cable Harness Plug OBD2
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PDC Module BMW E39 Parking Assist Distance Control Module PDC 8385232
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Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 9645100680
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BMW Mini Cooper One R56 Front Left Passenger's Door Wiring Harness N/S 9154128
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Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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BMW E61 E63 X5 E70 Telematics Bluetooth Control Unit Module 9138179
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PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
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Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9226347
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Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592E
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Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
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Part no. 8513414
BMW X3 F25 N47N Diesel Engine Wiring Loom Harness Cable 8513414
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Part no. F30 On-Board Screen
BMW F30 On-Board Screen 8,8" Android Infotainment System F30_NBT
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Part no. A0141541502
Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506
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Mercedes X253 GLC 300e M274.920 4-Matic Engine ECU Unit Module A2749002900
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Mini Cooper R55 R56 R57 LCI N47N 1.6 Diesel Engine Starter Motor 7823314
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Part no. 8W5035035B
Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
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Mercedes-Benz CLC CL203 Rear Left Right Door Loudspeaker Speaker A2038204002
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Chrysler Grand Voyager Alternator Mounting Bracket Carrier LRA02830
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SAM Module Mercedes Sprinter W906 Fuse Box Relay Control Unit A9069006701
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Part no. 6826984
Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630
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BMW Z4 Series E85 Roadster Driver Side Door Cable Harness Wiring 6934607
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Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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BMW F21 Door Wiring Front Passenger Door Loom Cables Harness F22 9340997
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Audi Universal SD Card Map Pilot Navigation Europe 2016 8X0919884J
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500133
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VW Golf 3 GTI 2.0 16V ABF 150KM Petrol Manual Engine Unit Module ECU 037906024BE
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Nissan Primastar X83 Alternator Generator Engine Unit 8200206251
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Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N
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Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J
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Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950
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Amplifier Bracket BMW X1 F48 F46 Control Unit Module Holder Mount 6831329
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Land Rover Range L322 3.0d M57 Engine Wiring Loom Harness Automatic 7788409
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BMW 3 5 7 Series F30 LCI 330e G11 G30 Fuel Pump Control Unit Module 7439743
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Starter Motor BMW E60 E83 E87 E90 Diesel Engine Starter Actuator NAPA NSM1060
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Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
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BMW F10 F11 On Board Display Central Information Screen Monitor 10" 9243897
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Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
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Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 80A971104A
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Ford Mondeo MK4 Negative Battery Terminal Cable Wiring Connecting 6G9T14301BK
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Alternator BMW F10 F13 F07GT F02 Petrol N63 Alternator valeo 230A 7603779
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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 .