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. A2049005908-2
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
Product currently unavailable
Part no. 9248179
BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179
Product currently unavailable
Part no. 9187108-2
Autoradio CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional 9187108
Product currently unavailable
Part no. 8519668-4
BMW E90 E91 LCI 320d N47N 184HP Engine Control ECU Kit DDE 8519668 Automatic
Product currently unavailable
Part no. A6421500856
Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
Product currently unavailable
Part no. A1648203785
Mercedes ML W164 Front Left Control Unit Module Door A1648203785
Product currently unavailable
Part no. 9380966
Negative Cable BMW X5 F15 X6 F16 Battery Boot Negative Lead Sensor 9380966
Product currently unavailable
Part no. 6881474
BMW F01 F07 F10 F11 Tyre Pressure RDC Control Unit Module 6857938
Product currently unavailable
Part no. A6519009702-2
Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic
Product currently unavailable
Part no. 9325653
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
Product currently unavailable
Part no. A0061517401-1
Mercedes Sprinter W906 Diesel Starter Motor Engine Valeo A0061517401
Product currently unavailable
Part no. A1695456332
Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
Product currently unavailable
Part no. A2098200085
Mercedes W209 Convertible Air Module SRS Control Unit ECU A2098200085
Product currently unavailable
Part no. 7579142-5
BMW E87 LCI E90 116i 316i 1.6 Petrol N43 122HP ECU Kit DME CAS3 Key 7579142
Product currently unavailable
Part no. A2215403050
Mercedes W221 Rear SAM Fuse Box Power Distribution Control Unit A2215403050
Product currently unavailable
Part no. 9897880-5
Mini Cooper S F55 F56 B48C 192HP Petrol Engine ECU Kit 9897880 BDC + Key
Product currently unavailable
Part no. A1729016600
Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A1729016600
Product currently unavailable
Part no. 6983009
BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 6983009
Product currently unavailable
Part no. A1645405662
Mercedes W164 Central Gateway Control Unit Module A1645405662
Product currently unavailable
Part no. A2129009229
Mercedes R172 Door Module Mercedes Front Right O/S Control Unit A2129009229
Product currently unavailable
Part no. 6878198
BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
Product currently unavailable
Part no. 4E0035223N
Audi A8 D3 Amplifier BOSE Audio Sound System Module 4E0035223N
Product currently unavailable
Part no. 7565300-13
BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic
Product currently unavailable
Part no. 6829104
Head Unit BMW F20 F21 F30 F31 LCI Radio Media Player Sat Nav High 2 6829104
Product currently unavailable
-40%
Part no. 4H0959655C
Audi A6 C7 2.0 TDI SRS Air Module Control Unit Sensor ECU 4H0959655C
Product currently unavailable
Part no. 8572918
BMW 1 Series F20 F21 LCI 116d 116ed B37 Diesel Engine Starter Motor 8572918
Product currently unavailable
Part no. 6956746-MB1
BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Set x4 Monaco Blau - A35
Product currently unavailable
Part no. A1699010100-1
Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100
Product currently unavailable
Part no. A2711500391-1
Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
Product currently unavailable
Part no. 4H0907064GB
Audi A7 4G8 Body Comfort Control Module Unit BCM V2 4H0907064GB
Product currently unavailable
Part no. 7801711-2
BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
Product currently unavailable
Part no. 9128184
BMW E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 9128184
Product currently unavailable
Part no. 8603352-2
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Automatic
Product currently unavailable
Part no. 8512498-1
BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic
Product currently unavailable
Part no. 9286882
BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882
Product currently unavailable
-15%
Part no. 6992830
BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
Product currently unavailable
Part no. 7599881-8
BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key
Product currently unavailable
-40%
Part no. 9290992
BMW F20 F21 F22 F30 F31 Radio Player CD Bluetooth Head Unit Control 9290992
Product currently unavailable
Part no. 7571510-3
BMW Z4 E86 Coupe 3.0si N52 265HP ECU Kit DME 7571510 EWS + Key Manual
Product currently unavailable
Part no. 8707676
BMW F22 F32 F36 Body Control Comfort Module Unit 8707676
Product currently unavailable
Part no. 1736922
BMW E31 E32 E34 E34 E39 Petrol Engine Starter Motor 1729982
Product currently unavailable
Part no. 7810001-1
BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
Product currently unavailable
-5%
Part no. A1725401450
Mercedes SLK R172 Fuse Box Power Distribution Control Module Unit A1725401450
Product currently unavailable
Part no. 6C1T18C815AH
Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit 6C1T18C815AH
Product currently unavailable
Part no. 8V0035020H
Audi A3 8V MMI Multimedia CD Player Head Unit Infotainment 8V0035020H
Product currently unavailable
Part no. A2107600204
Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
Product currently unavailable
-5%
Part no. A2044407441
Earth Ground Cable Mercedes W204 W207 W212 W218 Battery Wiring Loom A2044407441
Product currently unavailable
Part no. 6841420
AdBlue Adapter Cable BMW F30 F31 F36 Lead Wiring Harness Loom 6841420
Product currently unavailable
Part no. A2829003300-3
Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
Product currently unavailable
Part no. 7805098
BMW Mini Cooper One D R55 R56 Engine Starter Motor Diesel Valeo 7805098
Product currently unavailable
Part no. A2219007401
Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
Product currently unavailable
Part no. 1357210
DAF 85CF 85.430 XF 315M Starter Motor 1357210
Product currently unavailable
-40%
Part no. 6957343
BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
Product currently unavailable
Part no. A2048204697-1
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
Product currently unavailable
Part no. 9240351
BMW X5 F20 F21 F30 E70 LCI Trunk Lid Reversing Camera Rear 9240351
Product currently unavailable
Part no. A6519003403-4
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
Product currently unavailable
Part no. A1569056800
Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800
Product currently unavailable
Part no. A2749000900
Mercedes R172 SLK500 M274 Engine Control Unit Module ECU A2749000900
Product currently unavailable
Part no. 8U0971687B
Audi Q3 8U Rear Door Loom Wiring Harness Cable Left Right N/O/S 8U0971687B
Product currently unavailable
Part no. 8517862-8
BMW F10 F11 520d ed N47N 184HP Engine ECU Kit DDE 8517862 Key CAS4 Manual
Product currently unavailable
Part no. A2059000828
Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828
Product currently unavailable
Part no. 7553166-5
BMW E60 E90 E91 N52 325i 525i 218HP Engine Control Unit ECU DME 7553166 Manual
Product currently unavailable
Part no. 7789376
BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module
Product currently unavailable
Part no. 03E906033
VW Polo Petrol Engine Control ECU Manual Siemens 5WP1630440 03E906033
Product currently unavailable
Part no. 4F0907289N
Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
Product currently unavailable
Part no. 7520019-3
Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Manual
Product currently unavailable
Part no. A6461501077
Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461501077 Manual
Product currently unavailable
Part no. GK2T14B526CE
Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
Product currently unavailable
Part no. 9171217
BMW E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217
Product currently unavailable
Part no. 7557395-13
Mini Cooper R50 R52 W10 1.6 116HP Petrol Engine Control Unit ECU 7557395 Manual
Product currently unavailable
Part no. 6C1T-10300-BD
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 2.2 TDCi 6C1T-10300-BD
Product currently unavailable
Part no. 4G0035056
Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
Product currently unavailable
Part no. 7556131
Starter BMW F10 F07GT F13 F03 X5 E70 Petrol N63 Starter Motor 1.6 KW 7556131
Product currently unavailable
Part no. 7807827-1
BMW 1 3 Series E87 E90 LCI 120d 320d N47 Diesel ECU Kit DDE 7807827 CAS3 Key
Product currently unavailable
Part no. 9806332
Mini R60 R61 Ultra Sonic Module Alarm System Sensor 9806332
Product currently unavailable
Part no. 03L906018KJ
Audi A4 B8 A5 8T 2.0 TDI CGLD Engine Control Unit ECU 03L906018JH Manual
Product currently unavailable
Part no. A1685409032
Mercedes A-Class W168 Door Cable Harness Wiring Front Passenger A1685405008
Product currently unavailable
Part no. 7520019-1
Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Manual
Product currently unavailable
Part no. 9206973
BMW E60 E90 E91 X5 E70 Mini R56 FBAS Video Control Unit TV Tuner Module 9206973
Product currently unavailable
Part no. A9064461542
Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
Product currently unavailable
Part no. 3D0909610B
VW Volkswagen Phaeton 3D Rear Tailgate Boot Lid Control Module Unit 3D0909610B
Product currently unavailable
Part no. 9226325
BMW 1 E82 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
Product currently unavailable
Part no. 8574352-2
BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
Product currently unavailable
Part no. 1K0971391ES
VW Golf Mk5 Seat Well Cable Front Left N/S Wiring Loom Harness 1K0971391ES
Product currently unavailable
Part no. 6902659
BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
Product currently unavailable
Part no. 9118823
BMW X3 E83 Radio Navigation System CID Control Unit CD Player 9118823
Product currently unavailable
Part no. 5Q0959592D
Door Module Audi A3 8V VW Golf 7 Seat Leon 3 Front Right O/S 5Q0959592D
Product currently unavailable
Part no. 8K1907401K
Audi A4 B8 8K A5 8T 2.7 TDI 190HP CGKA Engine Control ECU 8K1907401K Automatic
Product currently unavailable
Part no. 7587164-1
BMW E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 Key 7587164 Automatic
Product currently unavailable
Part no. A1718204326
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326
Product currently unavailable
Part no. A6519000601-5
Mercedes W906 313 CDI OM651 129HP Diesel Engine Control ECU A6519000601 Manual
Product currently unavailable
Part no. 7792092
BMW X5 E53 3.0d Diesel M57 Alternator 150V 7792092
Product currently unavailable
-40%
Part no. A6519002803
Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
Product currently unavailable
Part no. 03L903017E-1
Audi A4 B8 Avant 2.0 TDI Quattro Alternator Generator 03L903017
Product currently unavailable
Part no. 8589891
Starter Motor BMW G20 G21 G30 G31 G32 GT G11 B57 3.0 Diesel Engine 8589891
Product currently unavailable
Part no. 9192680
BMW 5 6 E60 LCI E63 Radio CHAMP Business Player System Controller 9192680
Product currently unavailable
Part no. 7500255
BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
Product currently unavailable
Part no. A1695456332-1
Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
Product currently unavailable
Part no. 9227184
BMW 1 Series E87 LCI ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9227184
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 .