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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. A1718200726
Mercedes R171 SLK200 Module Front Door Left Control Module Unit A1718200726
Product currently unavailable
Part no. A0175450632
Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
Product currently unavailable
Part no. A1708200386
Mercedes-Benz A E M Class W163 W168 W210 CD Player Audio 10 Stereo Radio Unit
Product currently unavailable
Part no. A2115455301
Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
Product currently unavailable
Part no. A2115459232
Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115459232
Product currently unavailable
Part no. A1669000220
Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220
Product currently unavailable
Part no. A1635401208
Mercedes-Benz ML-Class W163 Inboard Cable Harness Wiring A1635401208
Product currently unavailable
Part no. A1665408909
Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness
Product currently unavailable
Part no. A2118704085
Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
Product currently unavailable
Part no. A2059001311
Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
Product currently unavailable
Part no. 96647952XT
Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT
Product currently unavailable
Part no. A2115459001
Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
Product currently unavailable
-40%
Part no. A1669004719
Audio Amplifier Mercedes W166 C292 Sound Control Unit Harman Kardon A1669004719
Product currently unavailable
Part no. A6399005400
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
Product currently unavailable
Part no. A9079000305
Mercedes Sprinter W907 W910 Body Control Module BCM V2 ECU A9079000305
Product currently unavailable
-5%
Part no. A2129000406
Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406
Product currently unavailable
Part no. A2118205785
Mercedes W211 S211 Airbag System Control Unit Module ECU
Product currently unavailable
Part no. A2129003908
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
Product currently unavailable
Part no. A6519003701
Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701
Product currently unavailable
Part no. A9105409455
Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
Product currently unavailable
Part no. A2229009519
Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
Product currently unavailable
Part no. A2517253714
Mercedes W177 Automatic Gearbox Wiring Loom Harness Cable A2517253714
Product currently unavailable
Part no. 280380655R
Renault Trafic II Control Unit Sat Nav Navigation Module Unit 280380655R
Product currently unavailable
Part no. A2098205489
Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
Product currently unavailable
Part no. A0051511301
Mercedes W203 W211 Diesel Engine Starter Motor A0051511301
Product currently unavailable
Part no. A9015407309
Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
Product currently unavailable
Part no. A2108205689
Mercedes-Benz E W210 S210 CD Player Radio Audio Navi SMS Head Unit A2108205689
Product currently unavailable
Part no. A2045453901
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
Product currently unavailable
Part no. UB2305000334
Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334
Product currently unavailable
Part no. A2049060105-1
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
Product currently unavailable
Part no. A6401540402
Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
Product currently unavailable
Part no. A0055422718
Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718
Product currently unavailable
Part no. A1725420023-1
Parking Sensor Display Mercedes W176 W204 W246 Dashboard Panel PDC A1725420023
Product currently unavailable
Part no. A6401540502
Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
Product currently unavailable
Part no. A6511500126-1
Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6511500126 Key
Product currently unavailable
Part no. A2045455401
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
Product currently unavailable
Part no. A2539052100
Mercedes GLC C253 X253 Pedestrian Protection Pressure Crash Sensor A2539052100
Product currently unavailable
Part no. A2048208285
Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
Product currently unavailable
Part no. A2229006008
Mercedes W205 W217 W222 Tailgate Trunk Control Module Unit A2229006008
Product currently unavailable
Part no. a0025429219
Mercedes C117 W166 W176 W222 W246 Relay Black Control Unit 12V 20A A0025429219
Product currently unavailable
Part no. A1729011402
Mercedes SLK R172 Dashboard Screen Multimedia Display Monitor A1729011402
Product currently unavailable
Part no. A6394460332
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460332
Product currently unavailable
Part no. A2035454701
Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
Product currently unavailable
Part no. A2229001912
Mercedes W205 C253 Door Module Rear Left N/S Control Unit ECU A2229001912
Product currently unavailable
Part no. A2125402705
Mercedes W212 Rear Suspension Level Sensor Wiring Loom Cable Harness A2125402705
Product currently unavailable
Part no. A1665408332
Mercedes W166 Parking Sensor Wiring Loom Cable Harness Front PDC A1665408332
Product currently unavailable
Part no. A2059009627
Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627
Product currently unavailable
Part no. A2118704726
Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
Product currently unavailable
Part no. A2469067901
Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
Product currently unavailable
Part no. A6395400050
Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400050
Product currently unavailable
Part no. A0009002740
Camera Module Mercedes C205 W247 GLC X253 W910 Control Unit A0009002740
Product currently unavailable
Part no. A1645401801
Mercedes ML W164 Rear Control Unit Module Fuse Box SAM A1645401801
Product currently unavailable
Part no. A6421540402-1
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
Product currently unavailable
Part no. A2118701885-1
Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885
Product currently unavailable
Part no. A2198202526
Light Module Mercedes W209 W219 W164 Headlight Headlamp Control Unit A2198202526
Product currently unavailable
Part no. A6461506372
Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
Product currently unavailable
Part no. A2105401930
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401930
Product currently unavailable
Part no. A2218708826
Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
Product currently unavailable
Part no. A2045421418
Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
Product currently unavailable
Part no. A4479060117
Mercedes Vito W447 Front Fuse Box Relay Control Unit Module A4479060117
Product currently unavailable
Part no. A0999004101
Steering Lock Mercedes W176 W246 Control Unit Module VST A0999004101
Product currently unavailable
Part no. A0019822708
Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708
Product currently unavailable
Part no. A2114406209
Mercedes W211 OM646 Battery Cable Starter Alternator Wiring Harness A2114406209
Product currently unavailable
Part no. A2059061905
Mercedes W205 Centre Console Lighting Wiring Harness Cable Loom A2059061905
Product currently unavailable
Part no. A2711541402-1
Alternator Generator Mercedes W203 W204 M271 Engine Valeo 120A 14V A2711541402
Product currently unavailable
Part no. A2035450403
Mercedes-Benz C CLK Class W203 C209 Fuse Box Cover Engine A2035450403
Product currently unavailable
Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
Product currently unavailable
Part no. A2075402550
Mercedes W204 W207 Fuse Box Prefuse Box Module Relay Holder A2075402550
Product currently unavailable
Part no. A2721540102
Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
Product currently unavailable
Part no. A1645453316
Mercedes ML W164 Parktronic Parking Control Unit Module A1645453316
Product currently unavailable
Part no. A2215408745
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
Product currently unavailable
Part no. A2661531491
Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A2661531491 Automatic
Product currently unavailable
Part no. A1408202526
Mercedes C140 Seat Belt Module Control Unit ECU A1408202526
Product currently unavailable
Part no. A2038206489
Mercedes W203 Aerial Antenna Amplifier Module Unit A2038206489
Product currently unavailable
Part no. A1699007400
Parking Sensor Mercedes W169 W245 PDC Distance Control Unit Module A1699007400
Product currently unavailable
Part no. A0009000518
Audio Module Mercedes C238 Premium Sound E Control Unit A0009000518
Product currently unavailable
Part no. A2229005415
Mercedes W205 W213 W222 Comunication Module Telematic Bluetooth A2229005415
Product currently unavailable
Part no. A0009053816
Mercedes C118 W117 Battery Cable Negative Terminal Wiring A0009053816
Product currently unavailable
Part no. A6429002900-3
Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
Product currently unavailable
Part no. A2229008911-1
Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
Product currently unavailable
Part no. A2218700326
Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218700326
Product currently unavailable
Part no. P04727770AC
Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P04727770AC Automatic
Product currently unavailable
Part no. A1765405905
Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
Product currently unavailable
Part no. A1779061002-1
Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002
Product currently unavailable
Part no. A0018200826
Mercedes SLK R170 W202 W210 Module Control Unit SRS Sensor ECU Bosch A0018200826
Product currently unavailable
Part no. A4479009509-1
Mercedes W447 Comfort Control Unit Module A4479009509
Product currently unavailable
Part no. a4479050104
Earth Ground Cable Mercedes Vito W447 Negative Battery Lead Wiring A4479050104
Product currently unavailable
Part no. A2128270228-COS
Mercedes S212 Estate Roof Antenna Cover Shark Cosmos Black Metallic - 303
Product currently unavailable
Part no. A2215401601
Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
Product currently unavailable
Part no. A2139006633
Mercedes X253 Central Control Unit Electronic Module A2139006633
Product currently unavailable
Part no. A2711504879
Mercedes W204 C180 Kompressor 271.952 156HP Engine Control Unit ECU A2711504879
Product currently unavailable
Part no. A0009827008
Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009827008
Product currently unavailable
Part no. A4474404705
Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705
Product currently unavailable
Part no. A9069005504
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
Product currently unavailable
Part no. A6399003300
Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
Product currently unavailable
Part no. A2711502779-2
Mercedes W204 C180 156HP Kompressor M271.952 Engine ECU Kit A2711502779 Key
Product currently unavailable
Part no. A0061515601
Mercedes ML W164 W211 W221 Engine Starter Motor A0061515601 0001109262
Product currently unavailable
Part no. A9079060100
Mercedes Sprinter W907 Battery Power Distributor Current Limiter A9079060100
Product currently unavailable
Part no. A2118701026
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
Product currently unavailable
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 .