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 F10 F11 F01 Control Unit Module ECU Fuel Pump 7276384
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Starter Ford Transit MK8 Custom V363 2,2 Tdci Starter Motor BK3T-11000-CB
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Mini R55 R56 R57 LCI R58 R59 R60 MINI CD Radio Audio Player Head Unit 3456805
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Head Unit Mercedes CL203 CLC CD Player Radio Audio Telephone Unit A2039000100
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MINI Cooper One R55 R56 R57 R57 R58 LCI Alternator Generator Petrol 7575650
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Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828
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Mercedes W212 Front Bumper PDC Wiring Parking Sensor Loom Harness A2124403758
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BMW 3 Series E46 Coupe Saloon Aerial Antenna Amplifier Diversity 433MHZ 6907123
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Mercedes W203 C220CDI OM611.692 116HP Engine Unit ECU Kit A6111537779 Key Lock
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Mini Cooper D R60 ALL4 N47N Diesel Engine Control Unit ECU DDE 8506666 Manual
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Mini Clubman Cooper R55 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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BMW X3 Series E83 Boardmonitor Central Information Display 6,5" Screen 3415007
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Ford Transit Mk8 2.0 EcoBlue 130HP Engine Control ECU Kit KK21-12A650-FA Manual
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PDC Loom Cables BMW E81 E87N LCI Front Bumper Wiring Set 9128570
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Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
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Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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Audi A1 8X 1.2 TFSI CBZA Petrol Engine Starter Motor 02T911024JX
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BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760E
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Mercedes W203 C180 Kompressor M271.946 Engine Control Unit ECU A2719000600
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BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9283428
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Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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Mercedes-Benz W203 W210 Sprinter W906 Glow Plug Relay A6461536579
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Mercedes W907 315CDI OM654.920 Engine Unit Module ECU Kit A6549009400 BCM + Key
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Audi A8 D4 Alternator Generator Electrical Unit 3.0 TDI Diesel Engine 059903019H
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BMW E90 E91 320d N47 Engine Control Unit Module ECU Kit DDE 7811700 CAS3 Key
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PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6974310
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6982387
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BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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Part no. 8643642
BMW F30 LCI 330e G11 740e G30 530e Hybrid B48X Engine Starter Motor 8643641
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Part no. 7797661-2
BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661
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Part no. 7539808
MINI Cooper R50 R52 1.6i W10 116HP Engine ECU Control Unit DME 7539808 Manual
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6948336
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CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional Head Unit 9258167
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BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
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Volkswagen VW Touran 1T Alternator Main Cable Wiring Harness Loom 1K0971349EM
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BMW Mini Cooper R56 LCI R60 R61 Petrol N16 DME Engine Control Unit ECU 7615981
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VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
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BMW F40 M135i xD B48 306HP Engine Control Unit ECU Kit DME 5A088E6 BDC Key
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Mini Cooper SD R55 R56 LCI N47N 90HP Engine ECU Kit DDE 8512415 CAS3 MANUAL
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Part no. 6942100
BMW E60 Air Module Control Unit Gateway Sensor B Pillar Right O/S 6942100
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Part no. 7515391
Starter BMW E60 Starter Motor Bosch 7515391 0001108401
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Part no. 059903018Q
Audi SQ5 8R 3.0 TDI CGQB Diesel Engine Alternator Generator 059903018Q
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Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
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Alternator BMW E87 E90 E91 E92 Generator Valeo 150A Diesel 7797519 7799180
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Part no. 8488548
High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter NAPA A6519062300
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Mini Cooper S R53 W11 170HP Petrol Engine ECU Kit DME 7542310 EWS3 + Key Manual
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BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables Set 8635811
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Mercedes W639 Rear Bumper PDC Wiring Parking Sensor Loom Harness A6394408637
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Part no. 8680374-1
BMW F45 Alternator Generator 14V 180A DENSO 8680374
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VW Volkswagen Polo 6R PDC Parking Sensor Control Unit Module 6R0919475C
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Seat Ibiza 6J Relay Black Control Unit 7 Pin 12V 3U0941597A
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Part no. 6938109
BMW E60 E63 E90 E91 LCI Dashboard Dash Monitor Display Screen 6,5 6938109
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Part no. 7805098
BMW Mini Cooper One D R55 R56 Engine Starter Motor Diesel Valeo 7805098
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Part no. 9363557
Mini F55 F56 Central Cover Information Instrument Radio 8,8" 9367675
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Audi Q3 8U Battery Positive Terminal Cable Plus Pole Wiring Harness 5N0971228F
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Part no. 6948691
BMW 5 6 Series E60 E61 Driver's Side Door Airbag Control Unit Module 6948691
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Part no. 9335351
BMW F20 Radio Professional CD Player Control Module 9335351
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Part no. 8375653
BMW 3 5 Series E39 E46 Positive Battery Terminal Cover Cap Red 8375653
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Part no. 6918782
BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6913164
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Part no. 8K0959795G
Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795G
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Part no. 9185734
BMW F10 F11 F12 X3 F25 Battery B+ Engine Compartment Terminal Point 9185734
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BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36
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Part no. 7543083-1
BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 9374506
Body Control Unit BMW F20 F21 F30 F31 F32 Module REM 9374506
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Part no. 6976988
Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988
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Part no. 9266385-1
BMW F10 F11 On-Board Screen Central Information Display Monitor 10,25" 9266385
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Part no. 7576297
BMW X5 E70 3.0si 272HP N52N ECU Engine Control Unit Kit DME 7576297 Automatic
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Part no. 9666729580
Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069000103
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Ford Transit Mk7 2.2 TDCi Engine Wiring Harness Cable Loom 6C1T-9K499-AHC
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Skoda Fabia 5J Dance CD Player Audio Stereo Radio Head Unit 5J0035161A
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BMW E90 E91 E92 335i 306HP Engine N54 ECU Kit DME 7575875 + CAS3 + Key Automatic
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BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Automatic
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BMW Z4 E85 2.5i Engine M54 192HP Engine ECU Kit EWS3 + 2 Keys 7527072 Manual
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Audi S3 8Y 2.0 TFSI DNFF Petrol Engine Sound Noise Actuator 4H0907601E
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Audi Q7 4L 3.0 TDI CASA Automatic Gearbox Control Module Unit ECU 09D927750KC
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Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
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Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
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Relay Mercedes W124 E280 Fuse Box Light Control Relay A1265420332
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Air Bag Module Mercedes W211 Control Unit ECU Airbag Sensor A2118705885
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Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Part no. A0009010201
Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
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Part no. A2711534279-1
Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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Part no. 9122432
BMW E60 E61 LCI X5 E70 X6 E71 X3 F25 Rain Light Solar Sensor 9122432
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Part no. A1569003203
BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual CC1112A650AC
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Ford Transit MK7 CD Player Radio Stereo Audio Head Unit 8C1T18C815AD
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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 .