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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VW Volkswagen New Beetle 1.6 Petrol BFS Engine Control Unit ECU 06A906033DP
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Mercedes W205 Electrical Wiring Harness Brake Wear Indicator Set A2054407436
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Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P04727770AC Automatic
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Audi Q5 8R Reversing Camera ECU Control Unit Module 8R0907441A
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046801231
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Mini R55 R56 Manual Transmission Gearbox Gearshift Actuator Unit GS6-55BG
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Body Control Module Mercedes C118 W177 W247 BCM V2 Unit ECU BA2479001217
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Voice Control Module Mercedes W221 Linguatronic Input System Dutch A2218703587
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Mercedes W204 COMAND Navi CD Player Radio Sat Nav Head Unit A2049060101
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Radio Head Unit Mercedes W207 W212 COMAND Navi CD Player Navigation A2129007126
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BMW X1 F48 Mini F55 F56 F57 Battery Cable Starter-Base B+ 8594489
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Mercedes C209 CLK200 M271.955 184HP Engine ECU Kit Ignition A2711535491 Lock Key
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BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.5-8 7843326
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Roof Antenna Mercedes W204 W212 Shark Aerial Polar White - 149 A2079058802
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Ford Transit Mk7 Bluetooth Voice Module Unit Control ECU 8M5T19G488AR
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Seat Ibiza 6J Central Gateway Control Unit Module Relay ECU 6R0907530D
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BMW X3 G30 G01 Fuse Box Power Distribution Control Unit Module Front 9470044
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BMW X5 E53 Light Check Module Control Unit ECU Lear Xenon LCM IV 6942692
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BMW X5 Series E53 Multi Information Display Tuner Radio Control Panel 6914610
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Mercedes-Benz Sprinter W906 Battery Tray Housing Box Case A9066200131
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Mercedes C219 Fuse Distribution Box Unit Moudle A2115454401
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Mercedes SLK R171 Fuse Box SAM Module Unit Bracket Carrier Holder A1715400124
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BMW E81 E87 LCI 116i 1.6 Petrol N43 ECU Control Kit DME 7579142 CAS3 Keys Manual
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Audi Volkswagen Varta Car Battery Accumulator AGM 92Ah 850A 4F0915105E
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Ford Transit Mk7 Park Assist PDC Module Unit Control ECU 6G9215K866CC
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Volkswagen Touareg 7L Control Comfort Unit Module Unit ECU 7L6959933A
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Mercedes W204 Display Screen Multimedia Navigation Sat Nav COMAND A1729011302
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Ford Transit Custom Body Control Module BCM Control Unit ECU JK2T-15604-FAE
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Mercedes W164 ML320 CDI OM642.940 Engine Module ECU Kit A6421506491 + 2 Keys
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SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129003822
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Mercedes W212 W221 W447 W906 Adblue Injector Wiring Cable Loom A0005400502
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BMW AGM 12V Accumulator Battery 105Ah 950A 7604809 7604808
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Mercedes-Benz E-Class S211 Touring Battery Lead Cable Positive Pole A2115409407
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Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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Mercedes-Benz S-Class W220 Aerial Roof Antenna Rear Frame Cover A2208208089
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Mini R50 R52 R53 Radio Boost CD Player Unit Head 6941509
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Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049003609
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Mercedes-Benz W639 Fuse Box Relay Control Unit Electric Module SAM A6395450101
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BMW F10 Air Module Controller ICM Module Control Unit 6864930
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Audi A4 B8 Navi CD Player Radio Sat Nav Head Unit 8R2035666G
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Audi A6 C7 Multimedia Radio CD Player Head Unit Sat Nav RMC Nav Plus 4G0035192H
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Keyless Go Mercedes GLC X253 Keyless Entry Control Module A2229004213
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Audi A6 C7 BCM Body Control Module Unit ECU 4H0907063GH
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Mini Cooper R56 LCI Footwell Light Module LOW EKS ECU PL3 FRM3R Lear 3456951
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Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307
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BMW F07 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9257015
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Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350
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Mini Cooper One R55 R56 R57 R58 R59 R60 R61 Engine Starter Motor 7616698
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 8796099
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BMW F20 F21 F30 LCI M140i 340i B58 Wiring Harness Motor Sensorsystem Module
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Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit MP3 RCD 300 1K0035186AF
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BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic
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Iveco Daily Blue Me Control Unit Module ECU 5801373144
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7545789 + EWS + Key Automatic
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Valve Block Mercedes W205 C219 W222 Air Suspension Unit Module A0993200058
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BMW E87 E90 118i 318i N46 150HP Engine Control ECU DME Kit 7552176 Automatic
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Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115405535
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718205226
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Mercedes W205 Trunk Control Module Bluetooth Reversing Camera Parking Assist
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Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A2059002929
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BMW 5 Series E60 E61 525d M57N 177HP ECU Kit DDE 7796637 + CAS2 + Key Automatic
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BMW F10 LCI F22 F30 F32 228i 328i 428i 528i Petrol N20 245HP ECU DME 8631725
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Audi A5 8T A6 C7 USB Adapter Port Socket Connector Cable Wiring 4F0051510Q
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Starter Motor Mini Cooper One R50 R53 1.4 Diesel Engine 28100-0W080
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Wheel Accelerator Sensor BMW X5 F15 X6 F16 Rear Axle Suspension Module 6875165
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Audi A3 S3 8P 5 Door Audio Sound BOSE Amplifier Stereo System Module 8P4035223C
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BMW E61 Trunk Lid Hatch Tailgate Control Module Unit ECU 6953962
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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 .