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 3 Series E90 E92 Antenna Amplifier Diversity TV Function 868 MHZ 6928936
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
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Control Unit BMW F20 F21 F22 F30 F31 F32 F36 Module FEM ECU LR01 9387265
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Mercedes W639 Rear Bumper PDC Wiring Parking Sensor Loom Harness A6394408637
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BMW F80 M3 F82 F83 M4 431hp Engine Control ECU Kit DME 8695512 + FEM Module Key
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BMW Z4 Series E85 Roadster Cabrio Safety Information Module Airbag 6962767
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Mercedes W213 C238 C253 C257 Air Module Control ECU Sensor A2139004625
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VW Volkswagen Golf 1K Mk5 Window Lifter Motor Module Front Right O/S 1K0959792G
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Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607
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Mini R55 R56 R58 R59 R60 Fuse Box Relay Electrical System Distribution 9213372
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Mini Cooper R56 LCI R60 N16 Engine Control ECU DME 8600124 CAS3 Key Manual
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BMW E60 E63 E87 E90 Starter Motor Diesel Engine Actuator RTX 402110362
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BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555176
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BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8489450 FEM + Key
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BMW X5 E70 X6 E71 Control Unit Dynamic Drive Front Axle Suspension 6792659
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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BMW F20 F30 F32 Mini F55 F56 F60 KAFAS 2 Camera Control Unit Module ECU 5A350D2
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BMW Z4 E89 Convertible Top Roof Module Control Unit ECU 7206761
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Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601
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Skoda Octavia Mk3 5E LED Headlight Headlamp Module Control Unit 5E0941645
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BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729
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Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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Volkswagen Touran 1T Air Module Control Unit ECU Module 1T0909605E
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BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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BMW E87 LCI Light Module BASIS LCM Footwell Module PL2 FRM II 9241002
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BMW F10 Footwell Light Control Module ECU Unit FRM3 TEMIC 9250455
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BMW E46 Saloon Petrol Positive Battery Cable Plus Pole Lead Wiring 8373945
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BMW E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9240530
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Mercedes-Benz Vito Viano W639 Engine Control Unit Module ECU A6111534979 Manual
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Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE000051
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BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
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VW Volkswagen Caddy Maxi Interior SRS Air Module Unit Control Sensor 2H0959655B
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Volkswagen Touareg 7L Alternator Mounting Bracket Carrier Holder 070903143C
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Audi A5 8T 3.0 TDI CLAB Diesel Engine Starter Motor 059911021K
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118705694
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
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Audi A5 8T A4 B8 8K 2.0 TFSI CDNC 211HP Engine ECU Kit 8K2907115P Key + Ignition
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BMW E90 E91 E92 E93 325i N53 218HP ECU Kit Control Unit DME 7576719 Automatic
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BMW X1 E84 Display Screen Dashboard Navigation Monitor On-Board CID 6,5" 9289583
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Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 6983334
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BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
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Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028
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Vauxhall Opel Insignia A 2.0 CDTI Alternator Bracket Belt Tensioner 55582510
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BMW X3 F25 ECU ICM Control Unit Air Module Bag Safety 6860962 0265020494
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Audi A5 8T Audio Amplifier Sound Booster Control Unit Module 8T0035223
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BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Part no. 8734753
Communication Module BMW M4 F82 Telematic Bluetooth Control Unit 8734753
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Mercedes-Benz A B Class W169 W245 Battery Relay Module Unit A0035422519
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BMW E91 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9267421
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Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic
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Seat Ibiza 6J VW Volkswagen 6R Starter Motor 1.2 1.6 Petrol Engine 02T911024N
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Mercedes W221 Rear SAM Fuse Box Power Distribution Control Unit A2215403050
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Audi A3 8V Cabrio Folding Top Roof ECU Module Control Unit 8V7959255
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Mercedes W209 Convertible Roof Module Folding Top Control Unit ECU A2098205026
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BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 6983304
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VW Volkswagen Polo 4 9N Radio CD Player Stereo Audio Head Unit 6Q0035152D
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BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Part no. 7519308-1
BMW X5 E53 3.0i Petrol M54 231HP Engine ECU Kit DME 7519308 EWS3 Key Automatic
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Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
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Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013
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Part no. 7533837
BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837
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Part no. 9159047-1
BMW X5 X6 E70 E71 CCC CD Professional Navigation System Controller 9159047
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Part no. 9146329
BMW 5 7 Series E60 E61 E65 Front Passenger Seat Angle Adjustment Drive 9146329
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Part no. 8645326
BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Generator Unit 14V 190A 8645326
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Navigation Screen Mercedes W212 1 Head Unit Sat Nav Center Display A2129005000
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Audi Q7 4L Front Memory Adjustment Module Control Left Right N/O/S 4L0959760
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Mercedes ML W164 W211 W221 Engine Starter Motor A0061515601 0001109262
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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional DAB Unit 9289118
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Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU A6519007500 Automatic
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Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3453744
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BMW X2 F39 F40 F44 F45 F46 F52 Air Quality AUC Sensor 9872066
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Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
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Mini One R50 W10 90HP Engine Control Unit ECU Kit DME 7545789 + EWS + Key Manual
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BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Mercedes GLE C292 Coupe Trunk Lid Module Automatic Closing A2929007101
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Mercedes R170 Alternator Generator M111 Petrol Engine 90A A0091547602
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BMW F10 F11 F12 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9267514
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Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718207126
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Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655
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BMW E93 E64 Convertible Rollover Control Controller Module 9179400
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Ignition Module Mercedes V177 Electronic Ignition Switch Keyless Control Unit
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BMW X5 X6 E70 E71 Dashboard Navi Monitor Sat Nav System Screen 8,8" 9166782
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BMW F20 F30 F32 F33 F34 B38 B48 Petrol Engine Alternator Generator 180A 8645325
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VW Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750EE
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
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Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332
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Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D
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Part no. 9153778
BMW E87 LCI ECU Light Module Footwell NSW PL2 FRM II Lear 9153778
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BMW 1 3 Series E81 E87 LCI E90 N47 120d 320d 177HP ECU Kit DDE 7811700 CAS3 Key
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Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213
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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 .