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. 9178898
BMW 1 3 5 Series E87 LCI E90 E60 Hands Free Bluetooth Module High MULF2 9178898
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Mini Cooper One R56 High SPEG Fuse Distribution Box SPEG High 3448964
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Head Unit Mercedes W167 W177 Audio Stereo Radio Player Control Unit A1679001414
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Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
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Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900
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BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 9292656
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BMW 3 Series E90 E92 M3 Throttle Body Position Hall Sensor Unit 7841706 7841704
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 9231320
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Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115459232
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BMW 3 5 7 X3 X5 Z4 Series E38 E39 E46 E53 E85 E83 Control Unit EWS III
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BMW X5 E70 X6 E71 Computer Control Unit DVD Player RSE MID PLUS PL4 9171900
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Audi A6 C5 Yaw Sensor ESP Rotation Rate Control Unit Module 8E0907637A
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Audi Q7 4L Quattro Audio Sound BOSE Amplifier Stereo System Module 4L0035223D
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BMW E90 LCI Footwell Light Control Module Lear FRM3R PL2 LED 9240532
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BMW 1 3 F20 F21 F30 PDC Ultrasonic Parking Sensor PDC Front Valencia Orange B44
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Audi A3 8V 1.6 TDI CLHA 105HP Engine Unit ECU Kit 04L907309B Key Ignition
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BMW F10 F11 520d ed N47N 184HP Engine ECU Kit DDE 8517862 Key CAS4 Manual
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BMW 5 7 Series E38 E39 E65 Navigation Sat Nav System DVD Player Japan 6925449
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Mercedes Benz A Class W168 Central Locking Unit Vacuum Pump A1688000348
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VW Golf 3 GTI 2.0 16V ABF 150KM Petrol Manual Engine Unit Module ECU 037906024BE
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BMW F20 F21 F30 LCI M140i 340i Wiring Harness Motor Sensor System Module 8631656
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BMW E60 E90 E91 330i 530i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Audi TT 8J Tyre Pressure Control Module Unit 8J0907274
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BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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BMW 3 5 6 E60 E63 E90 Dashboard Onboard Monitor Display Screen 8.8
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BMW F31 F34 328i N20 245HP Engine Control Unit Module ECU DME 8610635 Automatic
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Audio Controller BMW E90 System Control Unit Module Navigation 9186215
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BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568
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Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A
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BMW 7 X5 Series E53 E65 Bulb Parking Light Headlight Front Lighting Cover
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Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307
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BMW 7 Series E65 E66 E67 Amplifier Rear Window Antenna Diversity 315MHZ 6925818
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Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Mercedes W164 Battery Starter Alternator Wiring Harness Cable OM642 A1645401730
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Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 9266409
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BMW E46 E53 Side Air Module Control Unit ECU Module 6933238
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BMW E90 E81 E87 E85 Alternator Generator 150A N45 N46 Petrol Engine 7533270
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046800931
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Mercedes W202 W210 Engine Cooling Radiator Fan Control Unit Module
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Audi Q2 GA Rear Centre Loudspeaker Subwoofer 81A035382
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Mercedes W202 C208 Roof Alarm Motion Sensor Cover Trim Grey A2086900028
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VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284B
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Module Land Rover Freelander 2 ECU Front Door Window Control Unit 6G9T-14B533-KL
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Mini Cooper R58 Coupé Footwell Light Module High EKS PL3 FRM3R 3457402
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BMW Z4 E89 Roadster HiFi Speaker Sound System Amplifier AMP Unit 9118032
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Fuel Pump Control Audi A4 B9 A5 F5 A6 C8 Pump Unit Module ECU 4K0906121C
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MINI Countryman R60 Holder Amplifier Bracket Holder Mount Hi-Fi Unit 9803651
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BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR 9247472
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Mercedes W212 Fuel Pump Module Control Unit A2129000306
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Mercedes C219 Coupe Front Bumper Parking Sensor PDC Wiring Harness A2195404505
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Mercedes-Benz S-Class W220 Door Control Module Right Rear O/S A2208216879
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BMW F30 335i F32 F33 435i N55 306HP Engine Control Unit ECU 8639582 Automatic
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BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
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ECU Engine Control BMW E81 E87 E90 LCI 118d 318d N47 Diesel DDE 7823422 Manual
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Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635400534
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BMW 3 Series E90 E91 LCI Positive Battery Lead Distribution Box Cable 9205518
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Peugeot 207 Fuse Box BSI Control Unit Module 9663798380
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Mini R56 LCI N16 122HP Petrol Engine ECU Kit DME 7607685 + CAS 3 + 2 Keys
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BMW E87 E90 118i 318i N46 Engine ECU KIT DME 7561834 CAS2 Keys Manual
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Engine Wiring Mini R56 LCI R60 N18 Loom Harness Injection Valve Ignition 7621309
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Audi Q7 4L Power Supply Battery Control Module Unit 4L0915181
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Part no. A0061514401
Starter Motor Mercedes W204 W211 W212 OM642 Diesel Engine A0061514401
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Part no. A2128703689
Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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Fuse Box Mini R55 R56 R58 1 Electrical System Distribution 9213372
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Mercedes ML W164 SLK R171 W211 C219 CD Changer 6 Disc Player Unit A2118705390
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BMW F20 F21 F22 F87 Windscreen Camera Front Window KaFAS Camera 9278358
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BMW X6 Series E71 Aerial Antenna Amplifier Diversity 868 MHZ 9130157
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Part no. 9172020
BMW E64 Convertible Airbag Module Sensor ECU Air Bag Unit 9172020
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Part no. 3Q0907530L
VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L
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Ford Transit MK7 2.2 TDCi Diesel Engine Wiring Loom Harness Cables 8C1T12B637KE
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Audi RS3 8V 2.5 TFSI Quattro Starter Motor Battery Cable Wiring 8V0971228
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Mercedes SLK R172 Dashboard Screen Multimedia Display Monitor A1729011402
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Part no. 8587952
BMW F20 F21 F30 LCI 120d 320d B47 Diesel ECU Engine Unit DDE 8587952 Automatic
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Part no. 3457163
BMW Mini Cooper One R56 LCI High PL3 SPEG H4 Fuse Distribution Box 3457163
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Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043E
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Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
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BMW E88 Footwell ECU Xenon Light Control Module PL2 FRM II Lear 9197162
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Control Unit Seat Ibiza 6J VW Polo 6C 6R Air Module Unit ECU Bosch 6C0959655J
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BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122
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Renault Master II Alternator Support Bracket Mount 117103703R
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Alpine CHM-S630 6-disc Compact CD Changer Multichanger Digital Audio
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Mini Cooper R50 R52 W10 1.6 116HP Petrol Engine Control Unit ECU 7557395 Manual
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Mercedes C140 Battery Box Boot Storage Cover A1406934633
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BMW E92 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
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BMW 1 3 Series E87 E90 E91 118d 318d M47N2 ECU Engine DDE 7795844 Control Unit
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Renault Trafic II Vauxhall Vivaro A 1.9 Diesel Engine Starter 7700116260
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Part no. 9273187-1
Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187
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Part no. 5N0971228D
Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D
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Part no. 4L0907568A
Audi Q7 4L Blind Spot Monitoring Radar Unit 4L0907568A
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Part no. 7823291
Mini R55 R56 R57 LCI Alternator Generator Diesel 150A 7823291
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Part no. 3Q0907530AG
Audi Q2 Q3 F3 1.5 TFSI Gateway Control Unit Module ECU 3Q0907530AG
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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 .