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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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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Mercedes W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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BMW 5 Series E60 M57 2 Engine Starter Motor 7794952 0986021230
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BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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VW Volkswagen Touran Golf Polo Interface Module Multimedia Control 5N0035342B
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Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916
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BMW Mini Cooper F56 Wiring Passenger Loom Front Left N/S Door Cables 9389220
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Mercedes-Benz W245 Front Bumper Parking Sensor Parktronic Wiring Cable Harness
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Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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Mercedes W166 Headlight Lamp LED Control Module Left Right N/O/S A2189009203
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Display Screen Citroen Dispatch Dashboard On Board Dash Monitor 9809842880
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Seat Module BMW E60 E61 E65 E66 Front Left Right N/O/S Control Unit ECU 6927315
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Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705
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Mercedes W639 W638 W906 Fuse Box Unit Holder Bracket Frame A6385450319
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Mercedes Vito W447 Control Unit Fuse Box Compartment Mount A4475450069
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On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016
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CD Changer Mercedes W203 W209 W220 6 Disc Player With Magazine A2208274642
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003100
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Mini Cooper R55 R56 Harman Becker Hi-Fi Audio Speaker System Amplifier 3450756
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BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 9112631
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Mercedes W221 Sound Audio Amplifier Control Unit Module A2218207689
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 9134025
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Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1699002000
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Peugeot 508 5008 2.0 HDI Galaxy MK3 2.0 TDCI Alternator Bracket Mount 9688628680
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BMW 3 X3 X5 Series E46 E53 E83 Navigation System Video Module Unit
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BMW X3 Series E83 Cover Positive B Battery Terminal Point Case 8371011
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MINI Cabrio R52 R53 Battery Cable Lead Positive Plus Pole Wiring 6942507
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Audi A5 8T 2.0 TFSI CDNC Fuel Pump Control Module Unit ECU 8K0906093D
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BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568
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BMW F32 F33 F36 435i N55 306HP Engine Control Unit ECU DME 7540686 Automatic
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Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS 3 + Key 7587548 Manual
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BMW X1 E84 Display Screen Dashboard Navigation Monitor On-Board CID 6,5" 9289583
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VW Volkswagen New Beetle Cabrio Side Impact Crash Air Module Sensor 6Q0909606G
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BMW X1 E84 20dX Diesel N47N 184HP Engine ECU Kit DDE 8519009 CAS3 Key Automatic
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Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185
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Mercedes Sprinter W907 W910 Body Control Module ECU A9079007404
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Mercedes C207 E250 CDI BE OM651.911 Engine Unit Module ECU Kit A6519005301 Key
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Mercedes W221 Bluetooth Module Multimedia Control Unit ECU A2168206526
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Central Bass Speaker BMW E81 E87 E90 E91 E92 Stereo Audio Right O/S 6925330
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BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid Plus 9284422
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BMW Z4 E89 Roadster Control Unit EMF Rear Wheel Brake Module 6794260
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BMW E60 E90 330d 530d M57N2 ECU Engine KIT DDE 7803369 CAS3 + Key
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Navigation Head Unit BMW E81 E87 E90 LCI Car Computer Sat Nav CIC 9273188
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Audi TT 8J Audio Amplifier Radio Sound BOSE Unit 8J0035223D
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Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
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BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
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BMW F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 6872319
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Mercedes S204 Rear Trunk SAM Central Electric Base Control Module A2049065602
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Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061S
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ECU Kit Mini R55 R56 R57 N12 1.6 120HP Control Unit DME 7589971 + CAS3 + Key Manual
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7545789 + EWS + Key Automatic
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Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
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Mercedes W203 Fuse Box SAM Control Unit Module Relay A2035454501
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Video Wiring Cable Mercedes W204 Video Unit Harness Cable Wire A2045405609
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS 3 + Key Manual
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BMW F20 F30 125d 325d N47S1 218HP Engine Control Unit ECU DDE 8579785 Manual
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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Mercedes W447 Fan Control Relay Control Module Unit A6229000400
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Mini Cooper One R50 R52 Alternator Generator 110A Benzin 7550997 7559223
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On Board Monitor BMW E60 E63 E90 Dashboard Display Screen 8.8" 9114362
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Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic
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BMW 4 Series F32 F82 F83 M4 KaFAS Camera Assist Speed Limit Control 9384686
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Hyundai H1 Genesis Front Impact Sensor Safety Crash Detection 95920-4H000
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Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8519663 Manual CAS3 + Key
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Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791
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BMW X5 Series E53 PDC Parking Control Module Unit PDC 6932985
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BMW 3 5 7 Series F30 LCI 330e G11 G30 Fuel Pump Control Unit Module 7439743
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Mercedes W140 ABS Control Unit ASR + PML Module ECU A0185459132
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BMW 1 3 Series E87 E90 E91 N46 118i 318i 120i 320i ECU DME Control Unit 7545042
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Volkswagen Sharan 7N Sliding Door Locking Catch Plate Left N/S 7N0843639
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BMW Z4 Series E85 Roadster Driver Side Door Cable Harness Wiring 6934607
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Mini R55 R56 LCI R60 One N16 1.6 98HP Engine ECU Kit DME 7627520 CAS3 + Key
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BMW Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 6943822
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Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
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BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 Control Unit CAS3 + Keys
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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 .