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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Part no. A1769051600
Mercedes W176 Front Pressure Impact Crash Sensor Unit Module
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Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
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Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Mercedes W907 Aux USB Port Socket A2478204102
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Mercedes Sprinter W906 Parking Control Unit Module Sensor PDC A9069001002
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Mercedes W168 W169 W245 Petrol Engine Starter Motor A0051512101
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Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
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Mercedes W169 W245 Petrol Engine Starter Motor M266 A0061510301
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Mercedes W212 Light Sensor Sunlight Sensor Front A2518206510
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319
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Battery Relay Mercedes W176 W246 W447 Cut Off Module Control Unit A0035422819
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Mercedes Vito W447 Heater Blower Motor Fan Resistor A4479063000
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Mercedes Sprinter W906 ECU Control Unit Sensor Module A9064461442
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Mercedes Sprinter W906 Turn Rate Sensor Module Control Unit A0065424218
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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver 761
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Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614
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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Tailgate Trunk Mercedes X117 X156 W205 Boot Rear Control Module Unit A2389053301
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Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900
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Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Mercedes Vito W639 Positive Battery Terminal Cover Cap Trim Red A6395450191
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Mercedes-Benz E-Class W211 Battery Positive Cable Wiring A2115407907
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Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643
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Part no. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
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Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Mercedes-Benz Sprinter W906 Rear Door Licence Plate Lighting Wiring Cable
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Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
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Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
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Part no. A0009068206
Alternator Generator Mercedes W177 W247 M260 Petrol Engine 200A 14V A0009068206
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Mercedes Sprinter W906 Radio CD Player Audio Bluetooth Head Unit A9069005103
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Relay Mercedes W163 W169 W203 W210 Relay Unit 5-Pin Yellow Tyco A0025421419
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Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182
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Part no. A1695420018-HBL
Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
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Part no. A6395450301
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. A0131541002
Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Mercedes C205 Fuse Box Relay Control Unit Module A0035421819
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Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804
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Part no. A0001139065
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065
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Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075401850
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Mercedes ML W163 Engine Starter Motor A0051512901
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Mercedes A B S Class W169 W220 W245 Battery Lead Cable Negative A2205400031
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Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686
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Part no. A2229006014
Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Part no. A0009061903
Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903
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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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Part no. A1645403462
Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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Mercedes ML GLC W164 X164 W204 Additional Backup Battery 12V 1.2Ah N000000004039
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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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Mercedes C118 W177 W247 Battery Box Trim Housing Cover Support A1776204201
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Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303
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Relay Mercedes W124 Indicators Wipers Hazard Lights Relay A2018210047
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Starter Motor Mercedes W164 OM642 Diesel Engine Starter Actuator A0061514101
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Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589
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Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604
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Mercedes W205 W213 Actuator Drive Exhaust Flap Control Unit A2139068601
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Mercedes W205 W213 Door Module Front Left N/S Control Unit ECU A1679002718
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Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
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Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326
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Part no. A0028202426
Mercedes W211 Xenon Headlight Level Control Module A0028202426
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Part no. A9064408234
Mercedes W906 Positive Battery Cable Wiring Loom Harness A9064408234
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Part no. A6395450003
Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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Part no. A2035400050
Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Part no. A0025421219-1
Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
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Part no. A0009828023
Fuse Relay Mercedes C117 W166 W176 W205 X253 Black 4 Pin 12V A0009828023
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Part no. A9065403527-1
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Part no. A2139062201
Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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Mercedes Vito W447 Head Unit Radio Navigation GPS Nav Display A4479009005
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Part no. A9079053907
Mercedes Sprinter W907 W910 Battery Sensor Cable Negative Terminal A9079053907
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Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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Part no. A2465407732
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407732
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Part no. A1698207589
Mercedes W169 W245 CD Player Radio Audio Head Unit A1698207589
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Part no. A2465403803
Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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Part no. A0061517401
Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Part no. A9064402341
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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Mercedes Sprinter W907 W910 Front SAM Body Control Module Unit ECU A9079000806
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Crash Impact Sensor Mercedes C118 W177 W247 Front Acceleration Unit A1679052401
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Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900
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BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666
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Mercedes W221 Cover Fuse Box Case Trim Panel Lid A2215401682
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Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
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Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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Door Cable Mercedes W212 Wiring Loom Front Right O/S Driver Side A2124401251
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Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
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Fuse Box Mercedes W211 CLS C219 Rear SAM Module Relay Control Unit A2115458601
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Part no. A6399003000
Door Module Mercedes Vito W639 Front Right O/S Control Unit ECU A6399003000
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Part no. A9065450003-1
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
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Part no. A1729004004-1
Mercedes W204 Display Screen Multifunction Navigation Dashboard A1729004004
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Mercedes W207 W212 Parktronic Parking Control Unit Module A0009003706
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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 .