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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AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
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Mercedes W212 Electronic Control Unit Module Suspension A2129004503
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Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809
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Nissan Qashqai J10 Renault Koleos 2.0 dCi Engine Alternator 23100JD71A
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Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6868873
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Mini R57 Footwell Light Module PL3 FRM3R Lear Control Unit ECU 3456586
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BMW X3 F25 CarPlay Android Auto Tuning Solutions Head Unit Retrofit NBT MMI Box
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Mercedes CL203 CLC180K 143HP Engine Control ECU Kit A2661538979 + Key Automatic
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HiFi Speaker BMW X5 E70 X6 E71 X3 E83 Top HiFi Sound Unit Door Card 6949734
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Mini One D R56 LCI R60 90HP N47N Engine ECU Kit DDE 8517727 CAS3 Key Manual
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BMW F20 F21 F30 F31 118d 318d N47N ECU Kit DDE 8518569 Key + FEM Manual
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Volkswagen Transporter T5 Diesel Engine Starter Motor 2.0 TDI 02Z911023P
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BMW E60 E61 LCI 530d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 + Key Automatic
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BMW i4 G26 Control Unit Module ECU 8846393 8846468
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Ford Transit Connect Negative Battery Terminal Cable Wiring 3T1T-14301-AF
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BMW G20 G30 G38 G11 LCI G12 LCI High Voltage Battery Safety Box 8844217
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Mercedes W639 109CDI 646.980 Engine ECU Kit Ignition + Key + Lock A6461507272
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Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468F
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BMW F80 M3 F82 M4 Control Unit Module Active Sound Design Amplifier 8701084
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Mercedes R172 Security Alarm Interior Protection Sensor Module Unit A2319052600
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PDC Sensor BMW F20 F21 F22 Rear Bumper Ultrasonic Glacier Silver SET x4 9261614
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BMW X3 G01 Door Wiring Front Left N/S Wires Harness Loom 5A48E68
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BMW E83 LCI 3.0d M57N2 218HP ECU Engine Unit DDE 7803369 CAS3 + Key Automatic
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BMW Z4 Series E85 Roadster 2.5i M54 192HP ECU Kit DME 7532140 EWS3 Key Automatic
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BMW 3 Series E46 Convertible Wiring Driver's Side Door Cable Harness 6936307
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Mercedes Sprinter W907 Door Control Unit Module A1679008805
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BMW E81 E87 LCI E90 N43 116i 316i 2.0 122 HP Engine Unit ECU DME 7621178 Manual
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BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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Audi A5 8T 2.0 TFSI CNCD Quattro 224HP Engine ECU Kit 8T2907115 Key Ignition
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Mercedes V177 Driving Assistance Distronic Module Control Unit ECU A2139006027
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Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
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Mercedes Vito W639 Automatic Gearbox EGS53 Control Unit Module ECU A0009001700
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Ford Transit Custom Rear Bumper Parking Sensor Wiring Harness Loom BK2T15K867DC
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BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual
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BMW E90 E91 LCI N47N 320d 184HP ECU Engine Unit DDE 8512291 Automatic
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BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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Audi A5 8T Headlight Range Headlamp Control Unit Module ECU 8K0907357A
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
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Alternator Generator Mercedes W211 W220 R230 M112 Bosch 150A A0121541302
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Audi TT 8J Interior Roof Alarm Motion Ultrasonic Sensor 8J0951177
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BMW 3 Series E90 Saloon ECU Body Control Unit Module PL2 JBBFE H4 9134485
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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BMW F11 Wing Wiring Harness RIght O/S Mirror Control Module 7351498
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SD Card Mercedes W156 W176 Garmin Map Pilot Navigation Europe A2189069202
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Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803
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BMW E60 E61 Body Gateway Control Module Unit KGM HIGH Lear 9133143
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BMW X5 X6 E70 E71 Dashboard Onboard Monitor Display Screen 6,5" 9146649
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Mercedes R171 SLK 200 163HP 271.944 Kompressor Engine ECU A2711532691 Automatic
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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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Ford Transit Mk8 2.0 Ecoblue Diesel Glow Plug Wiring Loom GK2T-6M091-AB
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Head Unit Mini Clubman F54 Countryman F60 Sat Nav Control Module 8794108
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Chip Power Chiptuning Box GS2 K515B-K212 Control Unit Module Tuning Set
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Audi Q3 8U Engine Injector Module Wiring Harness Cable 2.0 TFSI 06J971082E
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Mercedes GLC 300e X253 Coupe Hybrid Electrical Battery Wire A0005401203
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Voice Control Module Mercedes W221 Linguatronic Input System Dutch A2218703787
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BMW F20 F21 F30 F31 N47N 116d 316d 116HP Engine ECU Kit DDE 8518569 + Key + FEM
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Mercedes SLK R171 Roadster Fuse Box Control Unit SAM Module Relay A1715451301
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
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BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9292948
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Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115450016
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Mercedes R171 Convertible Roof Top Control Unit Module ECU A1718204226
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Volkswagen Audi Skoda Audi 1.6 TDI Diesel Engine Starter Motor 0AM911023M
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Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AC
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Mini Countryman R60 High PL3 SPEG H6 Fuse Distribution Box 9812533
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Mercedes C205 Midline Sound Audio Amplifier Unit A2059000044
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BMW Z4 Series E85 3.0i M54 231HP ECU Kit DME 7533651 + EWS3 + Key Manual
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Varta Auxiliary Car Battery 12V 13Ah 200A 513106020G412
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Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832
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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 .