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. A2215407962
Mercedes CL C216 W221 S500 Air Pneumatic Suspension Control Module A2215407962
Product currently unavailable
Part no. A1121535479
Mercedes W203 C240 M112.912 170HP Engine Control Module Unit ECU A1121535479
Product currently unavailable
-40%
Part no. A1669008606
Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
Product currently unavailable
Part no. A2538206100
Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100
Product currently unavailable
Part no. A2139006227
Gearbox Module Mercedes W205 W213 GLC X253 Control ECU Automatic A2139006227
Product currently unavailable
Part no. A2095451401
Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
Product currently unavailable
Part no. A2469068601-1
Mercedes W176 W246 Battery Junction Block Battery Plus Pole A2469068601
Product currently unavailable
Part no. A2469008214
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214
Product currently unavailable
Part no. A6519005301-12
Mercedes W212 E220CDI OM651.924 Engine ECU Kit Key Lock Ignition A6519005301
Product currently unavailable
Part no. A0121549802-1
Mercedes W211 Alternator Generator A0121549802
Product currently unavailable
-5%
Part no. A2038301613
Mercedes C CLK Class W203 C209 Engine Bay Fuse Box Right O/S Cover A2038301613
Product currently unavailable
Part no. A2219008603
Mercedes W221 Door Control Module Unit ECU Front Right O/S A2219008603
Product currently unavailable
Part no. A2129008207
Mercedes W204 C200 Fuse Box Front SAM Control Module Relay Box A2129008207
Product currently unavailable
Part no. A1638200726
Mercedes ML W163 Window Windscreen Rain Light Sensor Module A1638200726
Product currently unavailable
Part no. A2135403038
Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
Product currently unavailable
Part no. A2118705694
Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118705694
Product currently unavailable
Part no. A1728100011-1
Navigation Processor Mercedes W176 W212 Control Unit Module NTG 4.5 A1728100011
Product currently unavailable
Part no. A1729000614
SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
Product currently unavailable
Part no. A6519007500
Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU A6519007500 Automatic
Product currently unavailable
Part no. A6519005301-15
Mercedes W204 W212 E220CDI OM651 Diesel Engine Control Module ECU A6519005301
Product currently unavailable
Part no. A2049820202
Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202
Product currently unavailable
Part no. A2115452132
Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
Product currently unavailable
Part no. A2731536591-1
Mercedes W221 S500 4-Matic M273.968 Engine Control Unit ECU Kit A2731536591 Key
Product currently unavailable
-5%
Part no. A0045428718-1
Mercedes W203 W211 Parking Distance Sensor PDC Iridium Bright Silver
Product currently unavailable
-15%
Part no. A2129003314
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314
Product currently unavailable
Part no. A2118700726
Mercedes W211 Seat Memory Control Unit Module Front Right O/S A2118700726
Product currently unavailable
Part no. A2095451101
Fuse Box Mercedes W203 W209 Front Relay Control Unit Module SAM A2095451101
Product currently unavailable
Part no. A6111537779-1
Mercedes W203 C220CDI OM611.692 116HP Engine Unit ECU Kit A6111537779 Key Lock
Product currently unavailable
Part no. A0061519801
Mercedes W204 W212 W251 Starter Motor 642872 Diesel Engine Starter A0061519801
Product currently unavailable
Part no. A2701506733
Wiring Harness Mercedes W246 M270 Petrol Engine Wiring Harness Loom A2701506733
Product currently unavailable
Part no. A0035423918
Yaw Sensor Mercedes W203 W209 ESP Rotation Rate Control Unit Module A0035423918
Product currently unavailable
Part no. A6079002000-1
Mercedes W176 A180 CDI 607.951 109HP Engine ECU Kit A6079002000 Key Lock Manual
Product currently unavailable
Part no. rhd-A2135407144
Mercedes W213 Front Left N/S Door Electrical Wiring Harness A2135407144
Product currently unavailable
Part no. A2125407050-1
Mercedes W212 Fuse Box Control Unit Power Distribution Electrical A2125407050
Product currently unavailable
-15%
Part no. A0009821923-1
Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relays Set A0009821923
Product currently unavailable
Part no. A4479002707
Mercedes Vito W447 Transmission Gearbox Control Unit Module ECU A4479002707
Product currently unavailable
-40%
Part no. A2049060305
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049060305
Product currently unavailable
Part no. A0025426419
Battery Relay Mercedes W211 CLS W219 Module Control Unit 12V A0025426419
Product currently unavailable
Part no. A1669006020
Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020
Product currently unavailable
Part no. A0009061903-1
Mercedes W176 W242 W246 Alternator Generator Bosch A180 Petrol A0009061903
Product currently unavailable
Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
Product currently unavailable
Part no. A6541599500
Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
Product currently unavailable
Part no. A9060034199
Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
Product currently unavailable
-15%
Part no. A2208203226
Seat Heating Sensor Mercedes W209 W211 W220 Left N/S Control Unit A2208203226
Product currently unavailable
Part no. A1679001320
Ignition Module Mercedes V177 Electronic Ignition Switch Keyless Control Unit
Product currently unavailable
Part no. A2105401830
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830
Product currently unavailable
Part no. A1669008808
Mercedes W212 Becker Navigation Map Pilot Control Unit Module A1669008808
Product currently unavailable
Part no. A1645460161
Mercedes-Benz M-Class ML W164 Front Left N/S Cable Wiring Duct A1645460161
Product currently unavailable
Part no. A0009003704
Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
Product currently unavailable
Part no. A1248205926
Mercedes W124 S124 Central Lock Control Unit Module A1248205926
Product currently unavailable
Part no. rhd-A0009052902
Mercedes W212 Negative Cable Battery Terminal Wiring A0009052902
Product currently unavailable
Part no. A2079003600
Mercedes C207 Coupe Module Rear Window Regulator Lifter Control Unit A2079003600
Product currently unavailable
Part no. A9069006701
Mercedes Sprinter W906 SAM Module Fuse Box Relay Control Unit A9069006701
Product currently unavailable
Part no. A0009004434
Mercedes W177 W247 Telematics Bluetooth Module Control Unit ECU A0009004434
Product currently unavailable
Part no. A2229002710
Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
Product currently unavailable
Part no. A2389007704
Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
Product currently unavailable
Part no. A0061510501
Mercedes W203 W204 Petrol Engine Starter Motor A0061510501
Product currently unavailable
Part no. 1368035080
Battery Tray Citroen Relay Fiat Ducato Battery Housing Box Tray 1368035080
Product currently unavailable
Part no. A2025458440
Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
Product currently unavailable
Part no. A6461503278
Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
Product currently unavailable
Part no. A2469003818
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469003818
Product currently unavailable
Part no. A0009062003
Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
Product currently unavailable
Part no. A9079004807
Air Module Mercedes W907 W910 Control Unit ECU A2139008828
Product currently unavailable
Part no. A2115407545
Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
Product currently unavailable
Part no. A1695403733
PDC Wiring Mercedes W169 W245 Front Bumper Parking Sensor Loom Cable A1695403733
Product currently unavailable
Part no. A2129014606
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
Product currently unavailable
Part no. A1718207026
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207026
Product currently unavailable
Part no. A6421503972-1
Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421503972 Key Lock
Product currently unavailable
Part no. A2215403862
Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862
Product currently unavailable
Part no. A2129068800-2
Mercedes W212 Radio Head Unit COMAND Navi CD DVD Player Control Unit A2129068800
Product currently unavailable
Part no. A2711505433
Mercedes R171 W203 Petrol Engine 271921 Wiring Harnes Loom A2711505433
Product currently unavailable
Part no. A1715450701
Mercedes SLK R171 Rear SAM Control Unit Module Relay Fuse Box A1715450701
Product currently unavailable
Part no. A0009003500
Mercedes W204 W212 Fuel Pump Module Control Unit ECU AMG C63 A0009003500
Product currently unavailable
Part no. A0009061201
Exhaust Flap Control Mercedes C117 W176 W246 Actuator Drive Unit A0009061201
Product currently unavailable
Part no. A2139005023
Ignition Switch Mercedes C238 Electronic Anti Theft Control Module A2139005023
Product currently unavailable
Part no. lhd-A2218206389
Mercedes C216 W221 Display Screen Multifunction Navi Command A2218206389
Product currently unavailable
Part no. A2034404913
Mercedes-Benz CLC CL203 Rear Tailgate Boot Lid Wiring Harness Loom A2034404913
Product currently unavailable
Part no. A2139007929
Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
Product currently unavailable
Part no. A2215402862
Mercedes W221 Fuse Box Front SAM Module Relay Control Unit A2215402862
Product currently unavailable
-15%
Part no. A1715450032
Mercedes SLK R171 PDC Parking Distance Control Unit Module Sensor A1715450032
Product currently unavailable
Part no. A1729008500-3
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
Product currently unavailable
Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1
BMW E92 LCI PDC Wiring Loom Harness Rear Bumper
Product currently unavailable
Part no. A2129005722
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
Product currently unavailable
Part no. A0005458916
Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0005458916
Product currently unavailable
Part no. A6421509089
Wiring Harness Mercedes W221 OM642 Engine Wiring harness Loom A6421509089
Product currently unavailable
Part no. A2098204189
Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
Product currently unavailable
Part no. A6398201226
Mercedes Vito W639 Door Front Right O/S Control Unit Module ECU A6398201226
Product currently unavailable
Part no. A2129005213
Mercedes C204 Sound Audio Amplifier Unit Harman Becker A2129005213
Product currently unavailable
Part no. A0055461040
Energy Distributor Mercedes W204 W212 W906 Power Block Control Unit A0055461040
Product currently unavailable
Part no. A2208274642-1
CD Changer Mercedes W203 W209 W220 6 Disc Player With Magazine A2208274642
Product currently unavailable
Part no. A2059005351
Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351
Product currently unavailable
Part no. A2519005200
Mercedes R350 V251 Head Unit Radio Player Navigation Media Bluetooth A2519005200
Product currently unavailable
-5%
Part no. A2125400080
Mercedes W212 Fuse Box Housing Relay Unit Module A2125400080
Product currently unavailable
Part no. A0325453832
Module Mercedes W639 Automatic Transmission Control Module Unit A0325453832
Product currently unavailable
Part no. A2469000616
COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616
Product currently unavailable
Part no. A2711540902-1
Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902
Product currently unavailable
Part no. A0009002010
Transmission Module Mercedes C117 AMG Petrol OM133 Gearbox Control A0009002010
Product currently unavailable
Part no. A2469008311
Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
Product currently unavailable
Part no. A2721540002-1
Alternator Generator Mercedes R171 W209 W211 M272 Petrol Engine 150A A2721540002
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 .