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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BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
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Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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Audi A6 C7 A7 4G Dashboard Screen Head Unit Dash Multimedia Monitor 4G0919607H
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Mercedes C238 Rear Control Unit Module Bracket Holder Trim Panel A2385452700
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Lane Change Sensor BMW M4 F82 M3 F80 Warning Sensor Slave Rear Left N/S 6884288
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Mercedes C219 CLS350 M272.964 272HP Engine Module Unit ECU A2721533779 Automatic
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BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921
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Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
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Ford Transit MK8 Radio Head Unit Control Panel BK3T-18D815-BG
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Seat Leon Mk2 1P Altea 5P Head Unit Audio Radio Display Navigation 5P0035191J
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Mercedes W177 Alternator Mounting Bracket Carrier A6081550035
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Volkswagen Sharan 7N Sliding Door Locking Catch Plate Left N/S 7N0843639
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BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
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BMW E81 E82 E87 E88 LCI 125i 130i N52N Engine Wiring Loom Harness Module 7566594
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Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400010
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BMW E63 650i N62N 367HP ECU Control Unit Module DME 7549700 Automatic
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BMW E60 E61 E63 E64 CAS2 ECU Control Unit Module 6943797 61356943797
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Bosch S4 008 Accumulator Battery 74Ah 680A 12V
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BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual
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Audi A6 C6 Q7 4L Bluetooth Telephone Control Module Unit ECU 4E0910336K
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BMW F30 Fuse Box Relay Control Unit Module 9314235
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Ford Transit Mk8 Airbag Module ECU Control Unit Air Bag BK3T-14B321-AD
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Audi A5 8T Headlight Lightning Control Module LCM Unit ECU 89500248
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BMW 1 3 Series E81 E87 E90 E91 E92 Amplifier Sound Audio System Alpine 0445683
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Mercedes W213 E350 OM642.855 Diesel Engine Unit ECU A6429007401 Automatic
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BMW F30 F31 F80 M3 Sound Amplifier Hifi Audio Control Unit Harman Becker 9381882
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Parking Brake Control Audi A4 B8 S5 8T Electric Brake Unit Module 8K0907801F
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Mercedes-Benz C E W203 W210 200 220 CDI Transmission Control Unit Module ECU
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BMW F20 F21 F22 F30 F31 F32 F36 Fuse Box Body Module Control Unit FEM 9383181
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Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056
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BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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Ignition Switch Audi TT 8J A3 8P Lock Barrel Control Module1K0905841
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Parking Sensor BMW E81 E87 E90 E91 PDC Set Front Rear Titansilber Metallic - 354
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional Autoradio CD 9187108
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Door Wiring Mercedes C205 Front Right O/S Door Harness Loom A2055400436
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Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
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BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418
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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907064EC
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Sensor BMW F82 F80 F34 Lane Change Warning Module Master Rear Right O/S 6884287
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BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module Control Unit CAS3 9147220
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BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 6923511
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On-Board Screen BMW E81 E82 E87 E88 Information Display Touch Monitor 10,25"
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Mercedes ML W164 Passenger Side Control Unit Module Fuse Box SAM A1649004101
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BMW E90 E92 330i 272HP N52N Engine ECU Kit DME 7576297 + CAS3 + Key Automatic
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BMW 5 7 Series E60 E65 Front Seat Flexible Shaft And Transmission Bracket Set
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BMW F20 F30 120d 320d 184HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167
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On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9266385
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Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793C
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Radio Player BMW F20 F21 F22 F30 F31 CD Bluetooth Head Unit Control 9310461
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BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R 9241008
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Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU A6519007500 Automatic
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Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779005513
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Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
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Mercedes W212 Fuse Box Relay Module Control Unit A2129002627
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Audi A3 8Y Engine Injector Module Wiring Harness Cable 2.0 TFSI 06N971627B
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BMW E60 E63 E64 E65 PDC Parking Control Module Unit ECU 6930204
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Seat Ibiza FR KJ1 Fuse Distribution Box Electrical Control Unit 2Q0937548D
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BMW 1 3 Series E87 LCI E90 118i 318i Petrol ECU Kit N43 DME 7579142 + CAS3 + Key
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MINI Countryman R60 High SPEG Fuse Distribution Box H7 9803979
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Adblue Module Mercedes W205 W213 W177 W907 SCR Control Unit EGR ECU A0009007604
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Volkswagen Golf VII R 2.0TSI CJXC 300HP Engine Control ECU Kit 06K907425B Manual
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Radio Head Unit Mercedes W212 Command Navi CD DVD Player Navigation A2129063001m
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BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633
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Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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BMW Mini Cooper Cabrio R57 LCI Rear Right O/S Cables Wiring Loom 9247488
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Volkswagen Touareg PDC Parking Sensor Control Unit Module 7L0919283F
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Renault Trafic II Control Unit Sat Nav Navigation Module Unit 280380655R
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BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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BMW 5 E60 E61 LCI AHK Towing Hitch Tow Bar Control Module Unit ECU 6783256
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Starter Motor Mercedes W204 W211 W212 OM642 Diesel Engine A0061514401
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Vauxhall Vivaro B Renault Trafic 3 Fuse Box Battery Terminal Module 243501820R
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Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
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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 .