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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Radio Head Mercedes Vito W639 Sprinter W906 CD Audio Stereo Unit A9068200886
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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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BMW F10 F20 F30 Head Unit Basis Media Navigation Headunit 8791692
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BMW F20 Driver Side Door Cable Harness Wiring 9335291
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Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
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Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 ECU 9267515
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BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
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Vauxhall Opel Insignia A 2.0 CDTI Alternator Engine Genarator 13579668
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BMW F20 F30 F32 120i 320i 420i N20 184HP Engine Unit ECU DME 8631725 Automatic
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BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277
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Ford Transit Battery Charge Electrical Machine Control Module Unit DK3T10B728AA
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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Navigation Player Mercedes W211 W219 DVD CD Reader Control Unit A2208703589
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Gearbox Control Mercedes W177 W247 Transmission Unit Module ECU A0009015810
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Mercedes-Benz C-Class W203 Antenna Amplifier Control Module Unit A2038701489
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BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 9399427
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Audi A1 8X Body Control Module Unit ECU 8X0907063K
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BMW F01 F07 F10 F11 Tyre Pressure RDC Control Unit Module 6857938
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Head Unit Mercedes C205 Radio Player USB Sat Nav Harman A2059008430
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BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
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BMW 5 Series E60 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Mercedes W639 Front Bumper PDC Wiring Parking Sensor Loom Harness A6394408537
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Volkswagen Tiguan 5N Sat Navi Stereo Radio Audio Head Unit CD Player 2K0035279C
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BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
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Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506
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Mercedes W203 W204 Petrol Engine Starter Motor A0061510501
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Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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BMW E65 E66 Battery Cable Positive Plus Pole 6904905
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Audi A4 B7 Front Crash Impact Air Module Sensor Unit Module 8E0959651A
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Control Unit BMW F20 F21 F22 F30 F31 F32 F36 Module FEM ECU LR01 9387265
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Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R
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Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802
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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V 03G903016A
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Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
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Audi A8L 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G
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BMW E60 E61 Body Gateway Module KGM HIGH 9118729
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Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129
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BMW E92 LCI Body Control Module ECU Junction Box L1 PL2RR JBBFE IIIR 9229872
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BMW F20 F30 125d 325d N47S1 218HP Engine Control Unit ECU DDE 8579785 Manual
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BMW 5 Series E60 M-Audio System Controller Navigation Head Unit 6942637
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Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
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Mini Cooper R50 R52 R53 Rear Bumper PDC Ultrasonic Sensor Cosmos Black - 303
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BMW E81 E87 E90 E91 E92 E93 LCI Radio CD Professional 9243916
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BMW 1 3 Series E87 E90 M47N2 118d 318d 122HP ECU KIT DDE + CAS2 + Key 7799854
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Mercedes ML W164 Transfer Case Box Module Control Unit ECU A1645408662
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BMW X5 Series E53 Body Control Module Unit ECU GM III 61356920822 6920822
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Engine Wiring BMW F30 F31 F32 F36 LCI 330d 430d N57N Loom Harness Cable 8514831
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280
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Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
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Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
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Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key + Lock
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Mercedes W212 Rear Suspension Level Sensor Wiring Loom Cable Harness A2125402705
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Mini Cooper D R55 R56 LCI N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
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BMW E65 E66 Control unit power ECU module 6957026
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Audi S3 8Y 2.0 TFSI Starter Motor Engine Petrol 02E911022H
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Audi A4 S4 B6 A7 4B Crash Impact Sensor 8E0959651
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Engine Wiring BMW X5 E53 3.0d M57N Loom Cable Harness Injector Module 7796819
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Mercedes-Benz M ML W163 Rear Bumper Parktronic Wiring Loom Harness A1635402209
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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 .