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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Ford Transit Custom 2.2 TDCi Diesel Starter Motor WaiGlobal 12V 33243N
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Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450937
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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Audi A7 4G Front Camera Assistance Line Unit 4H0907217F
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Mercedes Vito W639 Diesel OM646.980 Engine Control Unit Module ECU A6461502634
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Peugeot Partner 1.6 HDI 9H03 Engine Control Unit ECU EDC 9664843780 Manual
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BMW 5 Series E60 M57 2 Engine Starter Motor 7794952 0986021230
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BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A0005400950
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BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
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Mercedes W639 Rear Bumper PDC Wiring Parking Sensor Loom Harness A6394408637
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Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689
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Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
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Mercedes CLK C209 Body Control Module Unit A2098205926
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BMW E87 E90 N46 118i 318i 129HP ECU KIT DME CAS2 + 2 Keys 7561834 Manual
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BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179
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Audi A5 8T 2.0 TDI CNHA 190HP Engine Control Unit ECU 04L906021BG Automatic
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BCM Module Audi Q7 4L A6 C7 A8 4H Body Control Unit ECU 4L0919475A
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BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE 7805349 Manual Transmission
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BMW Z4 E85 2.2i M54 170HP Engine Control ECU Kit DME 7541335 EWS3 + Key Manual
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MINI Cooper S R52 R53 Automatic Gearbox Basic Control Unit Module EGS 7570253
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BMW E91 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9267421
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ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
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Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605
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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479005807
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Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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Ford Fiesta MK7 1.6 TDCI Diesel Engine Control Unit ECU 8V2112A650KE Manual
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BMW 6 Series E63 LCI CCC DVD Sat Navigation System CD Player Head Unit 9170706
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139
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Audi A4 B6 B7 A1 8X 1.9 TDI 2.0 TDI Engine Alternator Generator 06F903023FX
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BMW F20 F21 F30 PDC Ultrasonic Parking Sensor PDC Front Imperial Blau Blue
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Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
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COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616
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VW Volkswagen Phaeton 3D Rear Tailgate Boot Lid Control Module Unit 3D0909610B
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Audi A4 B8 A5 8T Radio Media Player Audio CD Head Unit Player Concert 8T2035186C
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BMW E87 E90 E91 Professional CCC Navigation System Controller
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BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637K
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BMW 3 6 Series E46 E64 Headlight Control Level Sensor Bracket 8268997
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BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Air Module Sensor BMW Z4 E85 E64 B-Pillar Left N/S Crash Module ECU 6962887
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Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual
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Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167
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BMW F30 LCI G11 G30 High Voltage Battery Charging Unit Module 6819838
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Mercedes Sprinter W906 OM646 Diesel Engine Wiring Harness Loom Cable A6461504233
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Mercedes W211 W219 Earth Ground Cable Battery Wiring Loom Engine A2115420518
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Peugeot 307 1.4 HDI Diesel DV4-TD Engine Control Unit ECU 9647158180 Manual
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Ford Fiesta MK7 Display Screen Multifunction Radio Dashboard 8A6118B955BL
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Ford Transit Fuse Box Cover Housing Lid Trim Cap 6C1T14A076C
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BMW E87 E90 118i 318i N46 129HP ECU DME 7552176 Manual Transmission
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PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009003210
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VDC Module BMW X5 E70 X6 E71 Vertical Dynamic Control Unit ECU 6785396
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Audi Q2 GA Towing Hitch Trailer Hook Module Control Unit 5H0907383D
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic
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Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907064EB
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Porsche Macan 95B Antenna Amplifier Control Unit Module Holder Bracket 95B907515
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Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player Screen 5E0919605J
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Audi A1 8X Positive Battery Overload Protection 8X0915459
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Mini Cooper F55 F56 Navigation Sat Nav NBT HU DAB Head Unit High 9365758
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BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual
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BMW E81 E82 E87 LCI E88 Engine N47S 123d ECU Kit DDE 7809002 CAS3 + Key Manual
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Audi TT 8J 2.0 TFSI BWA 200HP Engine Module Control Unit ECU Set 8J0907115
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Communication Module Mercedes R172 C117 W176 Hermes LTE Control Unit A2229004519
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Front Seat Module BMW E60 E61 E65 E66 Control Unit ECU 6924879
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Ford Transit Custom Body Control Module BCM Control Unit ECU JK2T-15604-FAE
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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 .