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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Mercedes R231 SAM Module Control Unit Fuse Relay Box Rear A2319007306
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Audi Q3 8U 2.0 TDI DFTA 150HP Quattro Engine ECU Kit 04L907309AB Ignition + Key
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BMW E36 Electrical Fuse Relay Box Covering Panel Trim Socket Petrol 1735752
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BMW F10 F11 528i N53 258HP ECU Kit DME 7614366 CAS4 + Key Automatic
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Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515
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Smart ForTwo C453 M281.920 71HP Engine Control Unit ECU 237105748R Automatic
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6395407735
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Mercedes W211 Gearbox Module Transmission Control Unit A0355451532
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Mercedes A238 Fuse Box Control Unit SAM Module Relay A2139003029
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Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401
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Mercedes W177 M282 Petrol Engine Starter Motor A2829061900
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Engine Wiring Mercedes W910 OM651.958 Diesel Harness Loom Cable A6511508300
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BMW Z4 E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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BMW X3 F25 Cables Set Wiring PDC Parking Sensor Front Bumper 9335474
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BMW 3 E46 Rear Bumper PDC Wiring Loom Harness Cables Set 6918955
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BMW F22 228i F30 F31 328i N20 245HP Engine ECU Control Unit DME 8639595 Manual
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BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 + Key + FEM
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Starter A6519060026
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Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806
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Land Rover Freelander 2 2.2 Diesel DOHC Engine ECU Module 6G9112A650AE Manual
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Ford Fiesta MK7 Display Screen Multifunction Radio Dashboard 8A6118B955BL
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Volkswagen Fox 1.2 Petrol CHFB 55HP Engine Control ECU Manual 03D906023Q
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BMW 3 Series E46 325i M54 192HP ECU Kit DME 7511570 + EWS3 + Key Automatic
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BMW 7 Series E65 E66 Antenna Amplifier Diversity Unit Module 6941747
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BMW F30 LCI 330e B48X Battery Lead Negative IBS Wire Earth Cable 6832699
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Mercedes-Benz W203 W210 W220 M112 240 280 320 Engine Starter Motor A0051516501
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Wiring Harness Mercedes W221 OM642 Engine Wiring harness Loom A6421509089
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BMW 3 E46 N42 316i 318i Petrol Engine Alternator Generator 110A Valeo 7521382
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Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021A
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Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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BMW X1 Series E84 20i N20 184HP ECU Engine Kit DME 8610678 CAS3 + Key Manual
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SD Card Mercedes X156 W176 W205 Garmin Map Pilot Navigation Europe A2139062610
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Seat Ibiza Mk5 Arona Ateca Subwoofer Speaker Audio Unit 6C0035621
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VW Volkswagen Golf MK5 Steering Wheel Column Control Module Unit 1K0953549F
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Mercedes E-Class S211 Touring Rear Sam Unit Fuse Box Holder Bracket A2115453240
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Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A0005400950
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Ford Transit Mk7 Starter Motor Engine Actuator Diesel 2.2 TDCi 6C1T-11000-AB
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Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
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Mini Cooper One R56 SPEG PL3 M2 Fuse Distribution Box 3453293
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Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
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Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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Hyundai H-1 Body Control Module Control Unit BCM ECU Module 95410-4H411
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Audi RS4 B9 A5 F5 Impact Sound Module Control Unit 8W0907159D
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Ford Transit Battery Cover Fuse Box Trim Panel Lid YC15-10A687-A9W
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BULLETBATT Accumulator Battery 60Ah 600A 12V
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Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033
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Mercedes CL203 Body Control Module Unit Temic 376 800 GZ A2098200326
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Audi S5 8T Steering Wheel Harness Wiring Loom Cable 8K0971589G
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Audi A5 8T 3.0 TDI CCWA Diesel Alternator 059903016J
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Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key 8P0907115AP Manual
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Audi A3 8P Side Air Module Control Unit ECU 8P0959655N
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Alternator BMW F10 F13 F07GT F02 Petrol N63 Alternator valeo 230A 7603779
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Opel Insignia A 2.0 CDTI Diesel Alternator Bracket Holder Mount 55562863
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Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124407038
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Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
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BMW 7 Series E65 E66 Sensor B-Pillar Airbag Right O/S 6929976
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Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729006903
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Mercedes Vito W447 Open Source Software CD Licence Information A4478272100
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Ford Transit MK6 2.4 TDDi Diesel Engine Control Unit ECU Manual 6C11-12A650-AK
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Audi A5 8T Battery Starter Alternator Harness Wiring Cable 8K0971228B
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BMW 1 3 F20 F30 LCI 120dX 320dX B47 Engine Wiring Cable Loom Harness 8595285
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Audi Q2 GA 3.0 TDI DTTC Diesel Engine Alternator Generator 05L903026B
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BMW F22 F30 F34 LCI Control Unit Module Airbag ECU 9348728
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CAS4 Module BMW F01 F10 F11 Key Reading Control Unit 9257036
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Starter Renault Trafic II Opel Vivaro A 2.0 dCi Starter Motor Remy 233002654R
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Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8601245
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Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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VW Volkswagen Amarok NF Ford Ranger Cab Wiring Harness Loom MB3T14A411SRC
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Citroen Berlingo ECU Bracket Control Unit Module Holder Mount 9808674780
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Mercedes-Benz W202 W208 Battery Positive Plus Cable Loom Harness A2025402130
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BMW 5 Series F10 F11 LCI B47 Engine Wiring Harness Cable Module Diesel 8574486
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Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734
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Mercedes W202 Central Locking Vacuum Pump Control Unit A2028001448
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Audi SQ5 8R 3.0 TDI CGQB Diesel Engine Alternator Generator 059903018Q
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Mini R56 LCI One 55KW N16 75HP Petrol Engine ECU Kit DME 7607685 CAS3 + Keys
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BMW F20 F21 DRL Daytime Running Lights Led Module Control Unit PCB 197-299-00
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Volkswagen Transporter T5 Body Control Comfort Unit Module BCM 7H0959433B
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VW Volkswagen Sharan 7N Driver's Side Door ECU Module Control Unit 7N0959793F
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Audi S3 8Y Electric Front Bumper Wiring Harness PDC Loom Cable 8Y0971085A
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Exide Battery Excell EB802 80Ah 700A Accumulator
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Mini Cooper D R60 R61 ALL4 N47N 2.0 143HP Engine ECU DDE 8583423 Automatic
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BMW 5 6 Series E60 E63 Passenger Door Airbag Control Module N/S 6941430
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Mercedes W169 A150 W245 B150 Engine Control ECU Kit A0024463140 + Key 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 .