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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Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
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Volkswagen LT 35 Door Module Central Locking System Module Unit 2D0959800
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Vauxhall Astra H Corsa D Merriva B 1.7 CDTI Engine Starter Motor 8980147432
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Radio Head Unit BMW F20 F21 F22 F30 F31 Basic Media Navigation Headunit 9399427
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Mercedes W203 W210 W211 Starter Motor Diesel Engine Remy A0051511301
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715450101
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Renault Master II Trafic II 2.5 dCi Diesel Engine Starter Motor Valeo 8200634602
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BMW F30 LCI 330e B48X Battery Lead Negative IBS Wire Earth Cable 6832699
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Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779006604
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Mercedes C118 W177 W247 Battery Box Tray Trim Housing Cover A2475411000
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Crash Impact Sensor Mercedes C118 W177 W247 Front Acceleration Unit A1679052401
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Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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Mercedes W176 Front Pressure Impact Crash Sensor Unit Module
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Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786
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Mercedes Sprinter W906 OM646 Engine Diesel Alternator Generator A6461540002
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BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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Mercedes W211 Front Drivers Door Left N/S Control Module A2118701126
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Mercedes R171 Navigation Processor Multimedia Control Module Unit A2118701085
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Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885
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BMW E60 Front Seat Control Unit Module ECU Right Temic 9148256
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Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532
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BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6826790
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Mercedes Sprinter W906 Becker Map Pilot Navigation Module Sat Nav Navi Europe
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VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330
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Volkswagen VW Touran 2.0 TDI BKD Engine Wiring Harness Loom Cable 03G972619KP
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Nissan Qashqai 1.5 dCi Diesel Engine Wiring Loom Harness 24011BB04A
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BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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Mini Cooper One R56 Alternator Generator Bosch 150A 7553009
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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Audi VW Golf MK5 Seat Skoda 1.9 TDI Alternator Mount Support Bracket 038903143AF
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Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049003609
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Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317
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Nissan Qashqai Renault Megane II Dacia Duster dCi Engine Alternator 820072829
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Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A6459060300
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Citroen Berlingo Peugeot Partner Battery Terminal Earth Cable Wiring 9676811780
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Door Module Mercedes W213 C238 Front Left N/S Control Unit ECU A2139002022
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Fuse Box Cover Mercedes W177 W247 Engine Compartment Housing Holder A2475407600
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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver 761
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230
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BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 6823594
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Mercedes R171 Central Gateway Module ECU Control Unit A1715404945
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MINI Cabrio R52 R53 Battery Cable Lead Positive Plus Pole Wiring 6942507
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Mercedes R171 SLK200 Module Front Door Left Control Module Unit A1718200726
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Mercedes R171 SLK200 Module Front Door Right O/S Control Module Unit A1718200626
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD Player 9263459
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049004306
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BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
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Mercedes W169 W245 SAM Control Module ECU Fuse Box A1699004800
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Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056
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Telematics Module BMW F01 F07 F10 F12 Bluetooth Control Unit ECU 9228272
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BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + 2 Keys
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Mercedes W204 W212 C207 M274 OM651 Starter Motor Engine Starter A2749060400
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BMW X3 X5 E39 E46 E53 E83 Mini R50 R52 Control Unit Control Unit EWS3 6905668
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Audi A4 B8 2.0 TDI Alternator Mount Tensioner Pulley Bracket Support 03L903143K
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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V 03G903016A
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BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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BMW 1 E87 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9390483
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Volkswagen VW Golf IV Body Control Module BCM Comfort Control Unit 5DK008214
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Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506
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Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711500620
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
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Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200
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Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
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Engine Wiring Harness Mercedes W204 M271.820 Petrol Loom Cable A2711508833
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Mini R50 R52 R53 Radio Boost CD Player Unit Head 6941509
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BMW E65 E66 Control unit power ECU module 6957026
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Citroen Berlingo Peugeot Partner CD Player MP3 Radio Stereo Head Unit 9666968177
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51871153
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51919499
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BMW F32 Tyre Pressure RDC Control Unit Module ECU 6876227
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-BB
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Mercedes W246 Front Bumper Parking Sensor PDC Wiring Harness A2465400703
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BMW F20 F30 Air Duct Front Slam Panel Flap Control Motor Drive Unit C11492-104
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Mini Cooper SD ALL 4 R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual Gearbox
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BMW X3 F25 Front Seat Control Unit Module ECU Left Right N/O/S 9369123
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Parking Sensor Display Mercedes W176 W204 W246 Dashboard Panel PDC A1725420023
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200
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Vauxhall Combo Fiat Punto 1.3 Diesel Starter Motor 51810307A152
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BMW F20 F30 F36 Rear Electronic Module REM Fuse Box Control Unit V2 ECU 6809050
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BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic
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BMW F20 F21 F30 F31 Petrol N20 Electrical Fuse Box Cover Lid Panel 8616568
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
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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 .