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. A2038201311
Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311
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Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200
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Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332
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Mercedes Vito W639 OM646.980 111 CDI 116HP Engine ECU Module A6461500400 Manual
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Mercedes W213 Mechatronic Automatic Gearbox Control Unit Module A7252701905
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Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Mercedes CL203 CLC200 CDI 122HP M646.963 Engine ECU Kit A6461501934 Key Lock
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
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Mercedes W221 S320 CDI 642.930 235HP Engine Control ECU A6421507391 Automatic
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Mercedes GLE W166 Wiring Harness Automatic Gearbox Cable Loom A1664403436
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Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107
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Mercedes W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826
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Module Mercedes W177 W247 Instrument Cluster Control Module A2479001608
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Mercedes-Benz CLK W208 Front Left Right Door Wiring Loom Harness A2085405606
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Mercedes W211 Front Fuse Box SAM SRB Module Relay Control Unit A2115455232
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Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
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Display Screen Mercedes W907 W910 Head Unit Touch Monitor 7" A9079001703
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Mercedes W164 W251 Air Suspension Level Control Unit Module Airmatic A2515454132
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Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722
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Mercedes W205 W238 Fuse Box Cover Control Unit Holder Bracket A2055400840
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Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800
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Part no. A2769007300
Mercedes SL400 R231 276.825 333HP Engine Control Unit ECU A2769007300 Automatic
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Part no. A1635460141
Mercedes-Benz M ML W163 Battery Positive Cable Wiring Connector A1635400269
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Part no. A2821503400
Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400
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Part no. A1715450901
Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
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Part no. A1669004102
Mercedes W176 W246 Door Front Left N/S Control Unit Module ECU A1669004102
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Mercedes GLC X253 Camera Lane Assist Control ECU Module Unit A2479008615
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Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Part no. A6511502790
Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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Part no. A2095452001
Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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Part no. A2059005351
Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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Part no. A2048200089
Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200089
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Part no. A2139008123
Mercedes A238 SAM Control Module Unit ECU A2139008123
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Part no. A0061517401
Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Part no. A2219007102
Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
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Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232
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Transmission Module Mercedes C117 AMG Petrol OM133 Gearbox Control A0009002010
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Mercedes W211 PDC Parking Sensor Module Control Unit A2115457332
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Part no. A6402002770
Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Fuse Box Mercedes W204 W212 Front Relay Control Unit Module SAM A2129003814
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Mercedes ML W164 Parktronic Parking Control Unit Module A1645453316
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Part no. A0015429619
Mercedes R129 W202 Relay Green Control Unit 12V 30A A0045450405
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Part no. A2139000407
Mercedes W213 Air Con Conditioning Module A/C Climate Control Unit A2139000407
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Part no. A2129003908-1
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Part no. A0009067703
Mercedes W213 M274 Petrol Three Phase Engine Alternator Generator A0009067703
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Part no. A2465407711
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A2465407711
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Part no. A6395450003
Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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Part no. A2038206489
Mercedes W203 Aerial Antenna Amplifier Module Unit A2038206489
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Part no. 8200308271
Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
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Head Unit Mercedes CL203 CLC CD Player Radio Audio Telephone Unit A2039000100
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Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903
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Part no. A6461541102-1
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Mercedes W906 Distributor Box Battery Cable Unit A0035464240
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Part no. A1695454232
Mercedes-Benz A-Class W169 SAM Control Module Fuse Box Unit A1695454232
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Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Mercedes S212 E220CDI OM651.924 170HP Engine Control Unit ECU Kit A6519005301
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Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
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Mercedes Vito W639 Parking Sensor Warning Device Display A0015422623
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Fuse Box Mercedes SLK R171 Roadster SAM Relay Box Control Module A1715451701
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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Mercedes ML W164 Distronic Radar Sensor Cruise Control Unit Module A2165402945
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Part no. A2239016902
Engine Sound Generator Mercedes W177 W213 GLC C253 Front Rear Unit A2239016902
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Part no. A2135402045
Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045
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Part no. A2115455301
Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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Part no. A2128702751
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Part no. 96647952XT
Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT
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Part no. A2129004201
Mercedes S212 Estate Fuse Box Rear SAM Module Relay Control Unit A2129004201
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Part no. A1698204085
Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085
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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. A2075452540
Mercedes-Benz E W207 Cabrio A207 Auxilliary Battery Bracket A2075452540
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Part no. 1368035080
Battery Tray Citroen Relay Fiat Ducato Battery Housing Box Tray 1368035080
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Part no. A2035451701
SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035451701
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys
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Mercedes ML W164 C209 W211 C219 AMG Fuel Pump Control Module A0355400145
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Part no. A1648702726
Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726
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Mercedes R350 V251 Head Unit Radio Player Navigation Media Bluetooth A2519005200
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Engine Wiring Mercedes W204 W212 OM651 Diesel Harness Loom Cable A6511504633
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Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
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Sam Module Mercedes S205 Relay Fuse Box Rear Control Module In Trunk A2059007437
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Mercedes R171 Seat Air Module Control Unit Front Left N/S A1718600105
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Mercedes W176 W242 W246 Alternator Generator Bosch A180 Petrol A0009061903
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Part no. A2049005201
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049005201
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Part no. A6519003403-3
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Part no. A0185459132
Mercedes W140 ABS Control Unit ASR + PML Module ECU A0185459132
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Part no. A0121549802-1
Mercedes W211 Alternator Generator A0121549802
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Part no. A0009102675
Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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Part no. A2035452901
Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901
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Part no. A1635457932
Mercedes ML W163 Transfer Box Control Unit Module ECU A1635457932
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Part no. A2139009022
SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
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Part no. A1669001420-2
Mercedes CLA C117 W166 Head Unit Sat Nav Navigation Display Screen A1669001420
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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 .