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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Renault Master II Trafic II 2.5 dCi Engine Starter Motor Elstock 8200634602
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BMW F20 F21 LCI Mini F55 F56 Top Hifi Audio Amplifier Harman Kardon 2622869
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Ford Transit Radio Head Unit 6000 CD Media Player Unit 8C1T-18C815-AD
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Peugeot 207 Multifunction Display Screen Unit Module Dash Dashboard 9676655380
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Volkswagen Golf Mk7 1.4 TSI CXSA Engine Control Unit ECU 04E907309A Automatic
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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BMW F23 Cabrio Convertible Folding Top Module CVM 8 Unit 9378072
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Audi A4 B9 BCM Body Control Module Unit ECU 8W0907064CB
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Amplifier BMW F30 F31 F32 Top Hifi Audio Sound Amplifier Harman Kardon 9366164
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BMW 3 Series E90 E91 E92 E93 Positive Battery Lead Distribution Box Cable Rear
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Audi A5 8T Remote Radio Alarm Key Button Control Unit Module 868 MHZ 8T0959754
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Mercedes Sprinter W906 Door Module Front Right O/S Control Module A9069006100
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Mini R50 R52 R53 Positive Battery Terminal Cover Cap Red 8385236
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Audi A4 B7 Front Bumper Wiring Loom Harness Cable 8E0971095R
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BMW F45 X1 F48 Mini Cooper F55 F56 F60 Diesel Engine Starter Motor 8581788
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Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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Volkswagen VW Polo 9N Negative Battery Terminal Ground Cable Wiring 6Q0971235
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Kia Ceed Sportage Hyundai Relay Unit 5 Pins 30/20A Blue 95225-1F100
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Ford Transit Custom Rear Bumper Parking Sensor Wiring Harness Loom BK2T15K867DC
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BMW F10 F20 F30 F31 Mini F55 F56 Front Heated Seat Control Module ECU 7490465
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Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Mercedes SLK R171 Air Module System Control Unit ECU A1718206526
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Starter Motor Mini Cooper One F54 F55 F56 F57 F60 B37 B47 Engine 8570845
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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Volkswagen Golf 5 2.0 TDI Engine Control Unit ECU Manual 03G906016HJ
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Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401
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Mercedes W203 Front SAM Control Unit Module Fuse Box A2035454101
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BMW E34 E36 E46 316i 318i 518i Ignition Coil Control Unit Module 1247281
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Mercedes-Benz C-Class W203 CD Media Player Radio Audio 20 Phone A2038703689
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BMW E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU Automatic
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Ford Transit Mk7 2.4 TDCi Diesel Engine Wiring Loom Harness Cables 6C1T12B637CG
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Mini R60 Cooper SD N47N 143HP Engine ECU Kit DDE CAS3 + Key 8583423 Automatic
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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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BMW X3 E83 LCi Rear Door Window Lifter Left N/S 6925965
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Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9068201589
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BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + Key Manual
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Audi A5 8T A4 B8 2.0 TFSI Engine Alternator Generator 06H903017T
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Engine Wiring BMW F10 F11 520d N47N Diesel Loom Harness Cable 7823648
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BMW E38 Basic Body Control Unit Module General Junction Box ECU GM III 8378633
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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BMW X5 E53 4.4i 4.6is M62 Water Cooled Alternator Generator 150A
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Mercedes-Benz C CLK W202 W208 Gearbox Control Module Bracket Holder A2085400073
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Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N
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Mercedes W204 C180 Kompressor 271.952 156HP Engine Control Unit ECU A2711504879
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BMW F10 F20 F30 Petrol N20 Wiring Harness Motor Sensor System 2 Module
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BMW X3 E83 E46 E60 E61 E65 Alternator Generator 150A 7521137
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Opel Vivaro A Renault Trafic MK3 1.6 dCi Engine Alternator 185A 93461046
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Rear Diff Module Seat Leon Cupra 5F VW Golf Mk7 4motion Control Unit 0CQ907554E
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BMW 3 5 Series E34 E36 Hazard Warning Relay 1388533
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Audi A3 8P 2.0 TDI 140HP Diesel Engine Control Unit ECU Module DSG 03G906016DT
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Mercedes ML W164 Fuse Box Relay Control Unit Module A1645403272
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Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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VW Volkswagen Golf Mk7 1.6 TDI CLHA Diesel Engine Starter Motor 02Z911024L
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Audi A5 8T Headlight Lightning Control Module LCM Unit ECU 89500248
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BMW F45 F46 F48 ECU Body Domain Controller BDC Control Unit Module 5A402E6
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Seat Ibiza IV VW Polo 6R Fabia 5J 1.2 TDI Diesel Engine Starter Motor 02Z911024H
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Display Screen Mini F55 F56 F60 Multimedia Navigation Sat Nav Unit 6,5" 8803370
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BMW E39 Headlight Control Module LCM III LWR 8386207
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Mercedes S212 Roof Antenna Estate Shark Trim Obsidian Black - 197 A2128270028
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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326
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Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926
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Mini Cooper One R56 High PL3 SPEG H4 Relay Fuse Distribution Box 3457413
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Volkswagen Touareg 7L Onboard Supply Comfort Unit Module Unit ECU 7L6937049M
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Mercedes C140 CL420 119.981 279HP Engine Unit ECU A0215452032 Automatic Gearbox
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Audi A4 B7 Sat Navi Stereo Radio Audio Head Unit CD Player 8E0035192T
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VW Volkswagen New Beetle Cabrio Side Impact Crash Air Module Sensor 6Q0909606G
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BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136726
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Right A2108206626
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Mercedes-Benz C-Class W203 Alternator Generator Wiring Cables A2035400432
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Ford Transit MK7 Radio 6000 CD Player Stereo Head Unit 6C1T18C815AJ
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Ford Transit Mk7 2.2 TDCi Euro 4 Diesel Engine Wiring Loom Cables 6C1T12B637JF
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Peugeot 307 1.6 HDI Diesel Engine Wiring Cable Loom Harness 9658277780
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Engine Wiring BMW F10 F11 F30 F31 X1 E84 N20 Loom Module Harness Cable 7619139
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Part no. 7811700-3
BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802
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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 .