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. A2469067901
Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
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Mercedes W176 W204 W207 Fuel Pump Module Petrol Control Unit ECU A0009000104
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Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
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Mercedes W204 Centre Console Lightning Dashboard Cable Wiring A2045401307
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Mercedes W124 M103 Alternator Generator BOSCH 14V 70A A0131541002
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Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
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Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201286
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Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200
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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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Mercedes-Benz A-Class W168 ESP HBA Control Unit Module ECU A1685450832
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Mercedes-Benz Vaneo W414 ESP BAS Control Unit Module ECU A4144460153
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Mercedes S204 Fuse Box Terminal Connection Unit A2045450369
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Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419
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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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Mercedes W204 Rear Left Door N/S Control Unit Module A2048207785
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Mercedes W205 GLC X253 Front Radar Sensor Module Control Unit A0009007907
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Mercedes C140 Brake Pump Relay Electrical Fuse Module Control Unit A0015426519
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Mercedes-Benz C W203 Parking Sensor Parktronic System Warning Display Screen
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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Mercedes S204 Rear Trunk SAM Central Electric Base Control Module A2049065602
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Mercedes-Benz C-Class W203 SAM Control Unit Module Fuse Box Rear A0035455201
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Mercedes W140 Seat Heated Heating Control Unit Module ECU A1408201526
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Mercedes-Benz C E W203 W210 200 220 CDI Transmission Control Unit Module ECU
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Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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PDC Wiring Mercedes W211 W219 Front Bumper Parking Sensor Loom Cable A2195406207
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Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224
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Mercedes-Benz W203 C208 W210 Transmission Control Unit Module EGS A0255450332
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Mercedes ML W164 Audio Stereo Radio CD Player Head Unit A1648705094
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Mercedes-Benz W207 Cabrio A207 Rear Left N/S Radio Aerial Antenna Amplifier
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Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469013702
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Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700
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Part no. LRT00134
Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
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Mercedes-Benz E W210 S210 CD Player Radio Audio Navi SMS Head Unit A2108205689
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Part no. A2049013502
Mercedes W204 S204 Airbag Module Air Bag SRS Control Unit ECU A2049013502
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Communication Module Mercedes W177 W205 W213 X253 Hermes LTE Unit A2389008601
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Mercedes A238 Tailgate Boot ECU Control Unit Module A1679050200
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Part no. A6519003701
Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701
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Mercedes S211 W211 Fuse Box Unit Cover Front A2115400082
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CD Radio Mercedes W639 W906 Audio Stereo Head Unit A9069006001
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Mercedes W176 W205 Exhaust Control Valve Flap Actuator Module Unit A0325456926
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Mercedes C207 W212 Fuse Box Relay Control Unit SAM Module A2129004500
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Radio Head Unit Mercedes C219 W211 CD Player Audio Navi A2118704789
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Part no. A2118205785
Mercedes W211 S211 Airbag System Control Unit Module ECU
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Part no. A2118701026
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Part no. A0015422623-1
Mercedes Vito W639 Parking Sensor Warning Device Display A0015422623
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Part no. A9065451640
Mercedes-Benz Sprinter W906 Fuse Box Unit Holder Bracket Frame A9065451640
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Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461500977 Manual
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Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Front Left N/S
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Mercedes ML W163 Stability Controller 4ESP Unit Module ECU A1635458032
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Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780
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Mercedes W176 W246 Battery Cover Accumulator Trim Panel Lid A2465410100
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Mercedes W168 Vaneo W414 Diesel Engine Speed Starter Motor A0051511601
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Head Unit Mercedes GLA X156 Radio Media Player Navigation Switch A2469000816
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Mercedes-Benz S-Class W220 Central Gateway Control Unit Module ECU A2205402445
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Parking Sensor Wiring Mercedes W177 V177 Rear Bumper PDC Loom Cable A1775400630
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Mercedes SLK R172 Amplifier Audio Sound Control Unit Module Harman A1729008612
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Part no. A1718203126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Mercedes-Benz S W220 Seat Memory Control Unit Module Front Left A2208203185
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Part no. rhd-A0009052902
Mercedes W212 Negative Cable Battery Terminal Wiring A0009052902
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Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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Mercedes-Benz C-Class W203 1 SAM Control Unit Module Fuse Box Rear A0035455201
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Part no. A1718200386
Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Part no. A6519064800
Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Part no. A1645403572
Mercedes ML W164 W251 Fuse Box Relay Module Control Unit A1645403572
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Part no. A0009824823
Mercedes Sprinter W907 Fuse Box Battery Relay Gruner A0009824823
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Part no. A2219006702
Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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Part no. A1699010100-2
Fuse Box Mercedes W169 W245 SAM Body Control Module Unit ECU A1699010100
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Part no. A9064401241
Mercedes Sprinter W906 Battery Alternator Starter Wiring Harness A9064401241
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Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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Part no. A2469006710
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Part no. A2125400382
Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382
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Part no. A2139000323
Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Part no. A9069005504
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Part no. A1645450201
Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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Mercedes W221 Headlining Alarm Sensor Module Cover Trim Black A2219050018
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Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
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Mercedes W207 Telematic Communication Control Unit Module A1669005517
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302 0986024530
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Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
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Mercedes-Benz C CLK W203 W208 Lateral Acceleration Speed Sensor A1635420618
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Mercedes X156 GLE W166 Surround View Camera Control Unit Module A1569003303
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Mercedes-Benz Sprinter W906 Battery Tray Housing Box Case A9066200131
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Mercedes-Benz E-Class W210 Estate Radio Aerial Antenna Amplifier A2108200789
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Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401930
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Mercedes-Benz W168 A 170 CDI OM668.942 Engine Control Module A6681530879 Manual
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Mercedes-Benz E S R Class W211 W221 W251 Replacement Fuse Kit A0005460373
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Mercedes GLE W166 Wiring Harness Automatic Gearbox Cable Loom A1664403436
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Part no. A0038208286
Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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Part no. A6421508100-2
Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key + Lock
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Part no. A0005427700
Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700
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Mercedes W140 Parking Control Unit Module Sensor A0205457832
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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 .