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. LRT00134
Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
Product currently unavailable
Part no. A2219007401
Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
Product currently unavailable
Part no. A2035400031
Mercedes CLK W203 C209 Negative Battery Terminal Cable A2035400231
Product currently unavailable
Part no. A1715403832
Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832
Product currently unavailable
Part no. A6461540102
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A A6461540102
Product currently unavailable
Part no. A1648207426
Mercedes ML W164 W251 Air Module SRS Control Unit ECU A1648207426
Product currently unavailable
Part no. A2469067200
Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200
Product currently unavailable
Part no. A2059001028
Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028
Product currently unavailable
Part no. A2741504703
Mercedes W205 W213 Engine Wiring Harness Cable Loom M274 Petrol A2741504703
Product currently unavailable
Part no. A2125407050-1
Mercedes W212 Fuse Box Control Unit Power Distribution Electrical A2125407050
Product currently unavailable
Part no. A0034464110
Mercedes W203 W204 W211 Automatic Gearbox Transmission Control Unit A0034464110
Product currently unavailable
Part no. A0034466040-2
Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys
Product currently unavailable
Part no. A0035429818
Mercedes W203 C209 Yaw Sensor ESP Rotation Rate Control Unit Module A0035429818
Product currently unavailable
Part no. A1669006307
Mercedes GLE C292 ML W166 Door Control Module Rear Left N/S A1669006307
Product currently unavailable
Part no. A9075402705
Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
Product currently unavailable
Part no. A1669009808
Mercedes ML W166 Head Unit Radio Player Sat Nav Tel SD Card Unit A1669009808
Product currently unavailable
Part no. A2218205375-CS
Mercedes CLK S Class C209 W209 W221 Roof Antenna Shark Radio Silver A2218205375
Product currently unavailable
Part no. A9069000004
Mercedes Sprinter W906 Radio Player CD Audio 10 Stereo Head Unit A9069000004
Product currently unavailable
Part no. A2059000828
Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828
Product currently unavailable
Part no. A2045421418
Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
Product currently unavailable
Part no. A2038206385
Mercedes-Benz C-Class W203 Airbag System Control Unit Module ECU A2038206385
Product currently unavailable
Part no. A1645401801
Mercedes ML W164 Rear Control Unit Module Fuse Box SAM A1645401801
Product currently unavailable
Part no. 237104376R
Mercedes Citan W415 109 CDI OM607.951 Engine Control Unit ECU 237104376R Manual
Product currently unavailable
Part no. A0061517201
Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
Product currently unavailable
Part no. A6461532891-3
Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock
Product currently unavailable
Part no. A1779002610
Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610
Product currently unavailable
Part no. A9069005504
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
Product currently unavailable
Part no. A1665420518
Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
Product currently unavailable
Part no. A1729000614
SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
Product currently unavailable
Part no. A2048203285
Mercedes W204 Xenon Headlight Ballast Control Unit Module A2048203285
Product currently unavailable
Part no. A2129005722
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
Product currently unavailable
Part no. A2465405901
Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
Product currently unavailable
Part no. A2049820202
Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202
Product currently unavailable
Part no. A9015407309
Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
Product currently unavailable
Part no. A2075406010-1
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
Product currently unavailable
-40%
Part no. A1715450901
Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
Product currently unavailable
Part no. A6409004600
Mercedes W245 B180 CDI 640.940 Engine Control Unit ECU A6409004600 Automatic
Product currently unavailable
Part no. A0008206926
Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module
Product currently unavailable
Part no. A2049060205
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
Product currently unavailable
Part no. A2129005722-1
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
Product currently unavailable
Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
Product currently unavailable
Part no. A2125406462
Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
Product currently unavailable
Part no. A2045420523
PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523
Product currently unavailable
Part no. A0009002720
Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720
Product currently unavailable
Part no. A2709002100-7
Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
Product currently unavailable
Part no. A0009058802
Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802
Product currently unavailable
-15%
Part no. A0009067500
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
Product currently unavailable
Part no. A0035422519
Mercedes-Benz A B Class W169 W245 Battery Relay Module Unit A0035422519
Product currently unavailable
Part no. A2129005213
Mercedes C204 Sound Audio Amplifier Unit Harman Becker A2129005213
Product currently unavailable
Part no. A0131540602
Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
Product currently unavailable
Part no. A6397600604
Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604
Product currently unavailable
Part no. A2139005528
Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
Product currently unavailable
Part no. A9108805600
Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
Product currently unavailable
Part no. A6519062300-1
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter NAPA A6519062300
Product currently unavailable
Part no. A6511505320
Mercedes Sprinter W906 Engine Wiring Loom Harness Cable CDI Diesel A6515460161
Product currently unavailable
Part no. A6079002300
Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
Product currently unavailable
Part no. A0009059906
Distance Radar Module Mercedes GLE W166 C292 Control Unit A0009059906
Product currently unavailable
Part no. A1699010100-1
Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100
Product currently unavailable
Part no. A2129006012
Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2129006012
Product currently unavailable
Part no. A2094400705
Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
Product currently unavailable
-15%
Part no. A6519000601
Mercedes-Benz W906 313 CDI OM651 Diesel Engine Control Unit CRD ECU A6519000601
Product currently unavailable
Part no. A2095450701
Sam Unit Mercedes S203 W203 Rear Module Fuse Box A2095450701
Product currently unavailable
Part no. A2035403533
Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533
Product currently unavailable
Part no. A0009068802-3
Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
Product currently unavailable
Part no. A2139062610
SD Card Mercedes X156 W176 W205 Garmin Map Pilot Navigation Europe A2139062610
Product currently unavailable
Part no. A1765401201
Mercedes W176 Multimedia Box Wiring Loom Electrical Harness A1765401201
Product currently unavailable
Part no. A2829062400
Starter Mercedes W177 M282 Petrol Engine Starter Motor A2829062400
Product currently unavailable
Part no. A2059008430
Head Unit Mercedes C205 Radio Player USB Sat Nav Harman A2059008430
Product currently unavailable
Part no. A4479007706
Mercedes W447 Door Control Module Front Left N/S A4479007706
Product currently unavailable
Part no. A0061519801
Mercedes W204 W212 W251 Starter Motor 642872 Diesel Engine Starter A0061519801
Product currently unavailable
Part no. A0025428319
Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319
Product currently unavailable
Part no. A2661534779
Mercedes W169 A200 M266.960 136HP Engine Control Unit ECU A2661534779 Automatic
Product currently unavailable
Part no. A1248205926
Mercedes W124 S124 Central Lock Control Unit Module A1248205926
Product currently unavailable
Part no. A0009102675
Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
Product currently unavailable
Part no. A2044400638
Mercedes C204 Wiring Cable Harness Front Passenger Door Wiring Loom A2044400638
Product currently unavailable
Part no. A0028202426
Mercedes W211 Xenon Headlight Level Control Module A0028202426
Product currently unavailable
Part no. A2079053300
Mercedes-Benz W207 Cabrio A207 Rear Left N/S Radio Aerial Antenna Amplifier
Product currently unavailable
Part no. A2055405626
Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
Product currently unavailable
Part no. A0025421219-1
Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
Product currently unavailable
Part no. A2218702686
Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686
Product currently unavailable
Part no. A0305454932
Mercedes-Benz E W210 Estate CDI Gearbox Control Module Unit ECU A0305454932
Product currently unavailable
Part no. A2118704390
TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
Product currently unavailable
Part no. A2044400538
Mercedes C204 Wiring Cable Harness Front Driver Door Wiring Loom A2044400538
Product currently unavailable
-5%
Part no. A2128270228-PAL
Mercedes W212 Aerial Fin Roof Antenna Shark Palladium Silver - 792 A2128270228
Product currently unavailable
Part no. A1695450003
Mercedes W169 Fuse Box Cover Trim Panel A1695450003
Product currently unavailable
Part no. A0009006616
Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616
Product currently unavailable
-15%
Part no. A9079001705
Mercedes Sprinter B907 Ignition Control Module Keyless A9079001705
Product currently unavailable
Part no. A0111546402
Mercedes W163 CL203 W203 Petrol Alternator Generator Valeo 120A A0111546402
Product currently unavailable
Part no. A0009056121
Mercedes W118 W177 W247 Front Radar Distance Control Unit Module A0009056121
Product currently unavailable
Part no. A1679000511
Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000511
Product currently unavailable
Part no. A2059008917
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
Product currently unavailable
Part no. A1718206226
Mercedes R171 Door Control Module Front Right O/S A1718206226
Product currently unavailable
Part no. A2515454132
Mercedes W164 W251 Air Suspension Level Control Unit Module Airmatic A2515454132
Product currently unavailable
Part no. A1645405662
Mercedes W164 Central Gateway Control Unit Module A1645405662
Product currently unavailable
Part no. A9064401241
Mercedes Sprinter W906 Battery Alternator Starter Wiring Harness A9064401241
Product currently unavailable
Part no. A2731536591-1
Mercedes W221 S500 4-Matic M273.968 Engine Control Unit ECU Kit A2731536591 Key
Product currently unavailable
Part no. A2308204226
Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226
Product currently unavailable
Part no. A2711540902-1
Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902
Product currently unavailable
Part no. A0061516001
Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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 .