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. 6927310
BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
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BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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Mini Cooper D R55 R56 R60 N47N 112HP Diesel Engine ECU DDE 8519663 Automatic
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BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Key + FEM
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Ford Transit MK6 2.4 TDDI Diesel Engine Control Unit ECU 2C1A12A650EA Manual
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BMW E65 Passenger Seat Air Module Sensor Control Unit SRS 6960218
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Mercedes W164 Central Gateway Control Unit Module A1645405662
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Mercedes W211 W219 Navigation Reader DVD CD Player Control Unit A2118705226
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BMW X3 F25 Central Gateway Module Control Unit Lear 9312917
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Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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Mercedes ML W164 Front Right Control Unit Module Door A1648203885
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Mercedes Vito W447 Control Unit Fuse Box Compartment Mount A4475450069
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Mercedes Sprinter W906 Door Module Front Right O/S Control Module A9069006100
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Starter BMW G20 G21 G30 G31 G01 Engine Starter Motor 8671504
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Central Gateway BMW F01 F06 F10 LCI Module ECU Control Unit 9372743
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Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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Part no. A1645403706
Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706
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Part no. A6519003701
Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701
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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326
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Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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MercedesW213 Rear Tailgate Boot Control Module Unit A2139052109
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Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
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Antenna Wiring Mercedes W211 Rear End Antenna Wiring Harnes A2114409906
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Part no. 7545789-14
MINI Cooper R52 R53 W11 170HP Engine ECU Control Unit DME 7545789 Manual
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Mercedes C204 C207 C214 C218 Module Fuel Pump Control Module Unit A0009004301
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BMW F10 F20 F30 Head Unit Basis Media Navigation Headunit 8791692
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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Seat module BMW G11 G20 G30 G01 G02 Seat Control Unit Module ECU 9891562
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Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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Part no. 6868873
Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6868873
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Part no. BK3T-11000-CB
Starter Ford Transit MK8 Custom V363 2,2 Tdci Starter Motor BK3T-11000-CB
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Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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Mercedes SLK R171 Petrol M271 Fuse Box SAM Relay Control Module A2129007324
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Engine Wiring Mercedes W169 W245 OM640 Cable Loom Harness A6401502433
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Part no. A1645402972
Mercedes W164 Fuse Box Holder A1645402972
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Part no. A1649004101
Mercedes ML W164 Passenger Side Control Unit Module Fuse Box SAM A1649004101
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BMW G30 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 9304007
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Part no. 7595179-4
BMW E87 LCI E90 N43 118i 318i Petrol ECU Kit 7595179 DME CAS3 + 2 Keys Automat
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Starter Ford Mondeo MK3 2.0 TDDi Mk4 2.0 Tdci Diesel Engine Starter Motor
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Part no. A2711500391-6
Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Keys Lock
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BMW G30 G31 530dX 540dX Diesel B57 Engine Wiring Harness Supply Line 8590021
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Ignition Switch Mercedes C238 Electronic Anti Theft Control Module A2139005023
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Module Mercedes W177 W247 Instrument Cluster Control Module A2479001608
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Mercedes W177 W247 SAM Module Body Comfort Control Unit A2479001306
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Mercedes W202 W210 Automatic Gearbox EGS Control Unit Module ECU A0275450132
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Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key Lock
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Part no. A4479007806
Mercedes W447 Door Control Unit Front Right O/S A4479007806
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Part no. A4479007706
Mercedes W447 Door Control Module Front Left N/S A4479007706
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Part no. A4479000601
Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601
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Part no. A6421506434-1
Mercedes W251 R 320 CDI 642.950 224HP Engine ECU Kit A6421506434 Keys Lock
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Part no. 8627098
BMW F45 X1 F48 Mini F60 Automatic Gearbox Module Control Unit EGS 8627098
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Mercedes W447 Comfort Control Unit Module A4479009509
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Part no. A4479009005
Mercedes Vito W447 Head Unit Radio Navigation GPS Nav Display A4479009005
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Mercedes Vito W447 Heater Blower Motor Fan Resistor A4479063000
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Mercedes R171 SLK 200K 163HP 271.944 Engine ECU Kit A2711535391 Keys Lock
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Part no. 3457428-2
BMW Mini Cooper R56 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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Part no. 7591534-2
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Part no. 8642585
Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
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Roof Wiring Mercedes SLK R171 Covertible Roof Opening Wring Harness A1715404209
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Part no. A6399003101
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003101
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Part no. 9281519
BMW F20 F21 F22 F30 F31 F32 Radio Professional CD Player 9281519
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Part no. A6519003403-4
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Part no. 7811151
BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Automatic
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Part no. A2114406209
Mercedes W211 OM646 Battery Cable Starter Alternator Wiring Harness A2114406209
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Part no. A6511502790
Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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Part no. 7640132-1
Alternator BMW F20 LCI Mini F30 F56 F60 Alternator Generator DENSO 150A
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Part no. A0009012604
Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604
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Part no. A0009059013
Mercedes W205 GLC X253 Distronic Radar Sensor Control Unit Module A0009059013
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Part no. A0195455632
Mercedes W202 C208 W210 Fuse Box SAM Relay Control Unit Module A0195455632
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Part no. A9069001203
Mercedes Sprinter W906 Radio Player Stereo Audio Head Unit A9069001203
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Part no. A6519009302-5
Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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Part no. 7436676
Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676
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Mercedes W124 S124 Ignition Engine Control Unit Module A0155457032
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Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059000628
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Part no. 6754289
Speed Sensor BMW Z3 E36 3 E46 DSC Yaw Rotational Speed Sensor 6754289
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Part no. A1649004600
Mercedes ML W164 W251 SAM Module Control Unit ECU A1649004600
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Relay Mercedes E200 S124 Petrol M111 Overload Protection Relay A2015403245
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Mercedes W124 S124 Central Lock Control Unit Module A1248205926
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Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module
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Part no. 7G9N-10D893-AA
Land Rover Freelander 2 Bluetooth Module Control Unit ECU 7G9N-10D893-AA
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Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE
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Land Rover Freelander 2 Air Module Control Unit ECU 6H52-14B321-AE
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Land Rover Freelander 2 Yaw Rate Sensor 6G9N-14B296-AB
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Battery Cable BMW F12 F13 Underfloor Positive Plus Lead Wiring Harness 9151341
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Land Rover Freelander 2 Radio Stereo CD Player Head Unit 6g9n-18c815-ta
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Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
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Mercedes CLK W202 W208 Battery Negative Earth Cable Wiring A2025400231
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Mercedes R129 W202 Relay Green Control Unit 12V 30A A0045450405
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Mercedes W202 Central Locking Vacuum Pump Control Unit A2028001448
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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Nissan Qashqai J10 Renault Koleos 2.0 dCi Engine Alternator 23100JD71A
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Citroen Berlingo B9 1.6 HDI Diesel Engine Wiring Cable Harness 9673749980
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Part no. A0141542702-1
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702
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Part no. A1645403572
Mercedes ML W164 W251 Fuse Box Relay Module Control Unit A1645403572
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Part no. A0131540002
Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Part no. A6519060026-2
Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Starter A6519060026
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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 .