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. A2095452432
Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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Mercedes W204 Air Module Control Unit SRS Sensor ECU A2048709426
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Mercedes-Benz E-Class W210 Battery Ground Earth Strap Cable Wiring A2105401031
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Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
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Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202
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Kompressor Mercedes W203 W211 M271 Petrol Engine Starter Motor A0051513901
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Mercedes-Benz SLS ML G C197 W164 W463 Relay Fuse 5-Pin Green Hella A0025427619
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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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Adblue Module Mercedes W205 W222 W253 Exhaust Gas Control Unit ECU A0009003313
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Mercedes W166 Head Roof Curtain Right O/S Side Air Module A1668600602
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Air Module Mercedes W210 SRS Control Unit ECU Control Module A0028203226
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Mercedes C209 Door Control Module Front Left N/S A2098201926
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Engine Sound Generator Mercedes W177 W213 GLC C253 Front Rear Unit A2239016902
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Mercedes C140 W202 Engine Cooling Radiator Fan Control Unit Module A0165459632
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Mercedes-Benz A B E M W169 W245 W210 W163 Relay 5-Pin Yellow Hella A0025427419
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Mercedes W207 Seat Adjustment Motor Front Seat Actuator Unit 0390203330
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Alternator Generator Mercedes R171 W209 W211 M272 Petrol Engine 150A A2721540002
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Starter Mercedes W177 W247 C118 1.5 OM608 Diesel Starter Motor A6089060100
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Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802
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Mercedes H243 Bonnet Actuator Left Right N/O/S Pedestrian Protection A2479069901
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Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
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Mercedes W906 314CDI OM651.955 143HP Engine Unit Module ECU Kit A6519003403
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Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059000628
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Fan Wiring Mercedes W639 W906 Heater Blower Unit Motor Cable Harness A0005405624
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Mercedes CLK W209 Convertible Fuse Box Rear SAM Module Control Unit A2095450901
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Starter Motor Mercedes W204 W211 W212 OM642 Diesel Engine A0061514401
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Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
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Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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Part no. A0185458332
Mercedes C140 Body Control Comfort Unit Module BCM Unit ECU A0185458332
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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532
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Mercedes X117 CLA 250 270.920 4-Matic Engine Control Unit Module A2709002100
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Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307
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Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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Part no. A6519003403-3
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Mercedes Vito W639 Air Module System Control Unit A6394460442
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Part no. A9065453001
Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
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Relay Mercedes SLK R171 5-Pin Electrical Plug White 12V A0035422019 R1808002
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Mercedes ML W163 Alternator Generator A0001502550
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Mercedes W211 Cable Loom Wiring Parking Sensors Rear A2115406606
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Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068203926
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Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048704658
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Part no. A0015425918-ALB
Mercedes W202 C208 W208 W220 Parking Distance Sensor PDC Almandine Black
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698206926
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Part no. A2469009802
Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
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Part no. A0045429218
YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
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Mercedes W204 W212 C218 Sound Audio Amplifier Harman Becker A2128700194
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Door Module Mercedes CL203 W203 Front Left N/S Control Unit A2038201385
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Part no. A2661530391-1
Mercedes W169 W245 A150 B150 M266.920 95HP Engine ECU Kit A2661530391 Key Lock
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Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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Mercedes SLK R172 Dashboard Screen Multimedia Display Monitor A1729011402
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Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
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Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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Mercedes W639 OM651.940 136HP 113 CDI Engine Unit ECU Kit A6511501879 Key Lock
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Part no. A6511508656
Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511508656
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Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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Part no. A9066880008
Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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Part no. A2129001606
Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001606
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Part no. A0025422619-1
Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
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Part no. A1695456332
Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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Part no. A2055455440
Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440
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Part no. A2095451401
Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
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Part no. A2118702889
Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Mercedes S212 E250CDI BE OM651.924 204HP Engine Unit Module ECU Kit A6519005301
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Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
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Mercedes W639 113 CDI 651.940 136HP Engine Module ECU Kit A6519009302 Key Lock
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Part no. A2129008224
Headlight Control Module Mercedes W207 W212 Unit A2129008224
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Part no. A1669003501
Mercedes W166 Switch Rotary Selector Controller Navigation Radio A1669003501
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Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903
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Part no. A1698202185
Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185
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Part no. A2098204526
Mercedes CLK W209 Convertible Roof Top Control Unit Module ECU A2098204526
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Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R
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Mercedes Vito W447 Door Module Front Right O/S Control Unit ECU A4479008006
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Mercedes-Benz Sprinter W906 Fuse Box Unit Holder Bracket Frame A9065451640
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Mercedes Sprinter W906 Door Module Front Right O/S Control Module A9069006100
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Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718205126
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Mercedes Vito W447 Front Fuse Box Relay Control Unit Module A4479060117
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Part no. A2719000600
Mercedes W203 C180 Kompressor M271.946 Engine Control Unit ECU A2719000600
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Part no. A2465410100
Mercedes W176 W246 Battery Cover Accumulator Trim Panel Lid A2465410100
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Part no. A2035454701
Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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Mercedes C117 W176 W246 Fuse Box Power Distribution Box A2465400950
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Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635400534
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Part no. A1669000220
Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220
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Part no. A2218708093
Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708093
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Part no. A2129008207
Mercedes W204 C200 Fuse Box Front SAM Control Module Relay Box A2129008207
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Part no. A2045453901
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
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Part no. A1718205226
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718205226
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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 .