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. 9145103
BMW E60 E63 E64 On-Board Navigation Monitor Display Screen 6,5" 9145103
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Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809
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Mercedes W246 Front Bumper Parking Sensor PDC Wiring Harness A2465400703
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BMW 3 5 X5 E39 E46 E53 Automatic Gearbox Basic Control Unit EGS
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BMW E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700 Automatic
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BMW F30 F32 F36 335dX 435dX N57Z 313HP Engine ECU Unit Kit DDE 8578082 Key FEM
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BMW F20 F21 F30 F31 Relay Cover Electric Fan Relay Cap 9353066
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Wiring Loom BMW X3 G01 X4 G02 B57 Harnes Diesel Engine Automatic Gearbox 8588547
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Mercedes W164 W251 Wiring Loom Cable Harness Door Front Left Right A2514401909
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Audi Q5 8R Front Bumper PDC Parking Sensor Wiring Harness Loom 8R0971095D
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Mercedes W176 W207 W246 USB Interface Multimedia Adapter Connector A1728202100
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Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU A6079002200 Manual
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BMW F07 F10 F11 N47N Diesel Alternator Generator Engine 220A Valeo 8507625
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Mini Cooper S R53 W11 170HP Petrol Engine ECU Kit DME 7542310 EWS3 + Key Manual
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BMW F10 Sound Audio Amplifier Control Unit Module 9320144
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Volkswagen Sharan 7N Air Module ECU Sensor Control Unit 7N0959655C
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Mercedes SL63 R231 Roadster Fuse Box Passenger Footwell Fuse Box A2315401050
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Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 6983843
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Ford Galaxy Mk3 Door Module Front Left N/S Control Unit ECU 6G9T-14B533-GL
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Mini Cooper S R53 Petrol W11 Engine Control Unit ECU DME Manual 7527610
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Mercedes R171 Navigation Processor Multimedia Control Module Unit A2118701085
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Mercedes R350 V251 Head Unit Radio Player Navigation Media Bluetooth A2519005200
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Mini R50 R52 Alternator Generator 110A Benzin 7550997 7550319
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Alternator Generator Mercedes W211 S211 OM646 Diesel Engine 200A A0131545902
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Audi A6 C7 Front Lamp Headlight Control Module Unit ECU Controller 4H4907357E
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Starter BMW E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor 7550975
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BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Mercedes W166 Seat Fuse Relay Junction Box Block A1665402150
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BMW E60 Light Control Unit Module LM E6X MAN LWR Lear 6983538
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Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627
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BMW 1 3 Series E81 E87 E90 E91 120i 320i N43 ECU Kit DME CAS3 Key 7583225 Manual
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Starter Mercedes W204 C238 W213 W447 Diesel OM654 Starter Motor A6549061500
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VW Volkswagen Tiguan 5N Bluetooth Interface Control Module ECU 3C8035730
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Part no. 9149080
BMW Mini Cooper R57 R57N Cabrio Aerial Roof Antenna Base 9149080
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BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic
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BMW F20 F21 F22 F87 Windscreen Camera Front Window KaFAS Camera 9278358
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Alternator Generator Mercedes W211 CLS C219 OM642 Diesel 14V 180A A0131547002
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Key Reading Module BMW E60 E61 E81 E87 E90 E91 CAS 3 ECU Control Unit 9287535
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Volkswagen VW Caddy Door Harness Loom Cable Wiring Front Left 2K0971557AG
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Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ
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Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183F
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Mercedes ML W164 C209 W211 C219 AMG Fuel Pump Control Module A0355400145
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Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542
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Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU Kit Key Lock A6519005301
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Land Rover Freelander 2 Bluetooth Module Control Unit ECU 7G9N-10D893-AA
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Mercedes GLC X253 Rear Bumper Wiring Loom PDC Harness Parking Sensor A2535402605
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BMW E30 E31 F01 F02 F10 F11 Top View Mirror Camera 9240274
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Sam Module Mercedes ML W164 Rear Relay Box Control SAM Unit A1649004400
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Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334
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Mercedes C253 Windscreen Camera Control Unit Module A2479002516
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Mini Cooper D R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 Key CAS3 Manual
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Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Engine Starter Motor 0986018840
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BMW E64 E85 Sensor B Pillar Air Module Right O/S 6940300
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Audi A6 C6 Front Right O/S Door Harness Cable Loom 4F1971030BD
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Mini Cooper R55 R56 R57 R58 Wiring Heated Seat Loom 2753025
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BMW X3 E83 LCI 2.0d N47 177HP Diesel Engine Control Unit ECU DDE 7811999 Manual
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Renault Master III DCI Alternator Support Bracket Mount 117103585R
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BMW 5 F11 Touring Body Control Module ECU Junction Box V7 PL6 JBBFE III 9286943
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Audi A1 8X Fuse Relay Box Electrical Control Unit Module 8X0937124
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Part no. 6963338
Body Control Unit BMW E46 Z8 E52 E83 Module GM5 Star12 LIN High 6963338
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Audi A4 B9 Volkswagen Tiguan 1T Headlight Ballast Control Module 7PP941572AB
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BMW E65 E66 730i M54 Diesel Battery Cable Starter-Base B+ 7522057
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC
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Audi A7 4G8 Westfalia Towing Hitch Module Control Unit 506737
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Part no. 8512411-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
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Part no. 8R0915181
Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181
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Part no. 8579785
BMW F20 F30 125d 325d N47S1 218HP Engine Control Unit ECU DDE 8579785 Manual
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Part no. 6906621-2
Fuse Box BMW E87 E90 E91 E92 E93 Power Distribution Front Control Unit 6906621
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Audi S4 B8 Alarm Siren Body Sound Impact Actuator Speaker 4H0907601A
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BMW E60 Light Control Module Unit Lear LMF6X 9116260
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Part no. 7806976
BMW E60 LCI E90 330d 530d M57N2 235HP Engine Control ECU DDE 7806976 Automatic
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Citroen Berlingo Peugeot Partner CD Player Radio Stereo Head Unit 98053736XT00
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Volkswagen New Beetle 1.4 TSI Petrol Engine Alternator Motor 14V 110A 03C903023F
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Part no. 9143121-1
BMW E81 E87 E90 E91 E92 E60 E61 Loudspeaker Speaker Logic7 L7 HiFi Audio 9143121
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Mercedes W169 CD Navi Media Player Radio COMAND Head Unit A1699002400
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BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 + 2 Keys
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BMW X1 E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797
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Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
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Audi A1 8X 1.4 TFSI CAVG 185HP Petrol Engine ECU Kit Ignition + Key 03C906027CF
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VW Volkswagen Polo Mk5 6R Radio Multimedia Display Navigation Unit 6C0919603A
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BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568
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Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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Part no. 4G8959793E
Audi A6 C7 Front Door Control Module Unit ECU Driver's Side 4G8959793E
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Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6511501879 Key Lock
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Audi S4 B8 3.0 TFSI CGWC 333HP Quattro Engine Control Module ECU Kit 8K5907551B
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Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700
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Relay Mercedes W166 Voltage Dip Protection Start/Stop Relay Module A0009820123
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Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522
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Part no. 3451625
BMW X3 E83 Light Control Unit Module LEAR LM II LWR 3451625
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Part no. 9230445-2
BMW 3 Series E92 Footwell Light Control Module Max Brose Lear FRM3R PL2 9230445
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Part no. 7801217
BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501
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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 .