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. 0165459232
Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232
Product currently unavailable
Part no. A2535406430
Mercedes X253 Front Bumper PDC Wiring Parking Sensor Loom Harness A2535406430
Product currently unavailable
Part no. A0009827008
Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009827008
Product currently unavailable
Part no. A2139068801
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801
Product currently unavailable
Part no. A1669067701
Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701
Product currently unavailable
Part no. A2909003001-1
Mercedes C238 Transfer Case Torque Distribution Control ECU E53 4matic
Product currently unavailable
Part no. A1405420732
Mercedes C140 Headlight Module Ballast Relay Control Unit LCM A1405420732
Product currently unavailable
Part no. A0009061903-1
Mercedes W176 W242 W246 Alternator Generator Bosch A180 Petrol A0009061903
Product currently unavailable
Part no. A2519005200
Mercedes R350 V251 Head Unit Radio Player Navigation Media Bluetooth A2519005200
Product currently unavailable
Part no. A6461500678-1
Mercedes Vito W639 109CDI 646.980 95HP Engine ECU Kit A6461500678 Ignition + Key
Product currently unavailable
Part no. A2055404106
Brake Harness Mercedes W205 Rear Left Brake Pad Wear Wire Wiring A2055404106
Product currently unavailable
Part no. A2195404605
Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605
Product currently unavailable
Part no. A2469003014
Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469003014
Product currently unavailable
Part no. A6519005301-5
Mercedes W212 E220CDI BlueEFFI OM651.924 170HP Engine ECU A6519005301 Automatic
Product currently unavailable
Part no. A2075401850
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075401850
Product currently unavailable
Part no. A2118704626
Driver Seat ECU Mercedes W203 A209 W211 Memory Control Unit Module A2118704626
Product currently unavailable
Part no. A2049060205-4
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
Product currently unavailable
Part no. A2059007845
SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845
Product currently unavailable
Part no. A1669005517
Mercedes W207 Telematic Communication Control Unit Module A1669005517
Product currently unavailable
Part no. A2319007707
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2319007707
Product currently unavailable
Part no. A0141541502
Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506
Product currently unavailable
Part no. A0025427619
Mercedes-Benz SLS ML G C197 W164 W463 Relay Fuse 5-Pin Green Hella A0025427619
Product currently unavailable
Part no. A2118707226
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
Product currently unavailable
Part no. A2139003208
Mercedes W213 SAM Module Rear Body Comfort Control Unit ECU A2139003208
Product currently unavailable
Part no. A4479005807
Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479005807
Product currently unavailable
Part no. A0009068504
Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504
Product currently unavailable
Part no. A6394405109
Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
Product currently unavailable
Part no. A0025427419
Mercedes-Benz A B E M W169 W245 W210 W163 Relay 5-Pin Yellow Hella A0025427419
Product currently unavailable
Part no. A2721501433
Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
Product currently unavailable
Part no. A0065427018
Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
Product currently unavailable
Part no. A2129007324
Mercedes SLK R171 Petrol M271 Fuse Box SAM Relay Control Module A2129007324
Product currently unavailable
Part no. a2229004519
Communication Module Mercedes R172 C117 W176 Hermes LTE Control Unit A2229004519
Product currently unavailable
Part no. A2129005912
Mercedes W204 Fuse Box Relay SAM Control Unit Module A2129005912
Product currently unavailable
Part no. A2038201311
Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311
Product currently unavailable
Part no. A2135402045
Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045
Product currently unavailable
Part no. A2711532291
Mercedes W203 C180 Kompressor M271.946 Engine ECU A2711532291 Automatic
Product currently unavailable
Part no. A6519005301
£Mercedes W212 E220CDI OM651 Diesel Engine Control Unit Module ECU A6519005301
Product currently unavailable
Part no. A2469002718-1
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718
Product currently unavailable
Part no. A0024463140-3
Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic
Product currently unavailable
Part no. A2118704026
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118704026
Product currently unavailable
Part no. A6461500977-1
Mercedes Vito W639 646.980 Engine Unit ECU Kit A6461500977 Key Lock Automatic
Product currently unavailable
Part no. A2118704789
Radio Head Unit Mercedes C219 W211 CD Player Audio Navi A2118704789
Product currently unavailable
Part no. A0009000518
Audio Module Mercedes C238 Premium Sound E Control Unit A0009000518
Product currently unavailable
Part no. A2129005300
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A2129005300
Product currently unavailable
Part no. A2105451303
Mercedes-Benz E-Class W210 Positive Plus Cable Wiring Cover Cap A2105451303
Product currently unavailable
Part no. A1679001014
Mercedes V177 Head Unit Media Player Audio Radio Controller A1679001014
Product currently unavailable
Part no. A1669006311
Mercedes W166 Tailgate Control Module Unit A1669006311
Product currently unavailable
Part no. A1669055901
Mercedes C292 Negative Cable Battery Terminal Sensor A1669055901
Product currently unavailable
Part no. A2118701310
Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310
Product currently unavailable
Part no. A1679000500
Mercedes W177 W247 Driver's Seat Heating Control Unit Module ECU A1679000500
Product currently unavailable
Part no. A1698202675-2
Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
Product currently unavailable
Part no. A1649002901
Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
Product currently unavailable
Part no. A2015403245
Relay Mercedes E200 S124 Petrol M111 Overload Protection Relay A2015403245
Product currently unavailable
Part no. A6519007401-8
Mercedes C204 C250CDI OM651.911 204HP BlueEFFICIENCY Engine ECU Unit A6519007401
Product currently unavailable
Part no. A9064408234
Mercedes W906 Positive Battery Cable Wiring Loom Harness A9064408234
Product currently unavailable
Part no. A2539005009
Display Screen Mercedes C253 Vito W447 W448 Head Unit Touch Monitor A2539005009
Product currently unavailable
Part no. A2129005212-1
Head Unit Mercedes W212 Radio Navi CD Player For Parts Not Working A2129005212
Product currently unavailable
Part no. A2059004607
Mercedes W205 S205 W447 Seat Module Front Memory Control Unit A2059004607
Product currently unavailable
Part no. A0009827008-1
Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009827008
Product currently unavailable
Part no. A0111548402
Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402
Product currently unavailable
Part no. A2229001821
Mercedes GLA X156 Comunication Module Telematic Bluetooth Control A2229001821
Product currently unavailable
Part no. A2128205404
Mercedes W212 Front Seat Headrest Display Screen Monitor Unit A2128205404
Product currently unavailable
Part no. A0015427419
Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419
Product currently unavailable
Part no. A2829061900
Mercedes W177 M282 Petrol Engine Starter Motor A2829061900
Product currently unavailable
Part no. A2709002100
Mercedes W176 W246 A180 B180 BlueEFFICIENCY 270.910 122HP Engine ECU A2709002100
Product currently unavailable
Part no. A6081500400
Mercedes W177 OM608 Diesel Engine Wiring Loom Harness Cable Loom A6081500400
Product currently unavailable
Part no. A0035420318
Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
Product currently unavailable
Part no. A2469009412
Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
Product currently unavailable
Part no. A0195455632
Mercedes W202 C208 W210 Fuse Box SAM Relay Control Unit Module A0195455632
Product currently unavailable
Part no. A6399003101
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003101
Product currently unavailable
Part no. A1779000304
Airbag Module Mercedes V177 W177 C118 Air Bag SRS Control Unit ECU A1779000304
Product currently unavailable
Part no. A0009003706
Mercedes W207 W212 Parktronic Parking Control Unit Module A0009003706
Product currently unavailable
Part no. A9064409913
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064409913
Product currently unavailable
Part no. A1665405515
Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515
Product currently unavailable
Part no. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
Product currently unavailable
Part no. A1715451301-1
Mercedes SLK R171 Roadster Fuse Box Control Unit SAM Module Relay A1715451301
Product currently unavailable
Part no. A2829003200-1
Mercedes W177 A200 M282.914 163HP Engine Control Unit Module ECU A2829003200
Product currently unavailable
Part no. A1768200361-2
Mercedes W176 Front Headlight Lamp Plug Socket Wiring Left N/S A0525456026
Product currently unavailable
Part no. A1715451332
Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332
Product currently unavailable
Part no. A6395450601
Mercedes Vito W639 SAM Module Electric Control Unit A6395450601
Product currently unavailable
Part no. A0009006706
Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
Product currently unavailable
Part no. A1665408332
Mercedes W166 Parking Sensor Wiring Loom Cable Harness Front PDC A1665408332
Product currently unavailable
Part no. A1698208326
Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326
Product currently unavailable
Part no. A2165402545
Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
Product currently unavailable
Part no. A1765401201
Mercedes W176 Multimedia Box Wiring Loom Electrical Harness A1765401201
Product currently unavailable
Part no. A0009002914
Mercedes Sprinter W906 OM651 OM642 Diesel Adblue Control Unit ECU A0009002914
Product currently unavailable
Part no. A2129003814
Fuse Box Mercedes W204 W212 Front Relay Control Unit Module SAM A2129003814
Product currently unavailable
Part no. A0008201277
Mercedes-Benz W906 Light Repeater Lamp Wiring Loom A0008201277
Product currently unavailable
Part no. A6519009702
Mercedes W176 W246 200 CDI 651.930 136HP Engine Unit ECU A6519009702 Manual
Product currently unavailable
Part no. A1718203926
Mercedes A B Class W169 W245 Rain Light Sensor Control Unit Module A1718203926
Product currently unavailable
Part no. A2059009527
Mercedes W205 Air Module ICM SRS Control Unit ECU A2059009527
Product currently unavailable
Part no. A2731532979-1
Mercedes W221 S500 M273.961 388HP Engine Control Unit ECU Kit A2731532979 Key
Product currently unavailable
Part no. A0061510301
Mercedes W169 W245 Petrol Engine Starter Motor M266 A0061510301
Product currently unavailable
Part no. A6519000603-1
Mercedes W205 C205 BlueTec OM651.921 Engine Control Unit ECU Kit A6519000603 Key
Product currently unavailable
Part no. A1699007400
Parking Sensor Mercedes W169 W245 PDC Distance Control Unit Module A1699007400
Product currently unavailable
Part no. A2478204102
Mercedes W907 Aux USB Port Socket A2478204102
Product currently unavailable
Part no. A0045429218
YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
Product currently unavailable
Part no. A6519007401-4
Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401
Product currently unavailable
Part no. A9068205626
Door Module Mercedes W906 Front Door Right O/S Control Module A9068205626
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 .