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. 8506438-3
BMW E81 E87 E90 E92 LCI 120d 320d N47 ECU Control Unit Module DDE 8506438 Manual
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943284
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Audi A4 B7 Door Wiring Harness Loom Front Cabling 8E1971029AA
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Mercedes W221 Power Supply Battery Control Module Unit A2215400401
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Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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Parking Sensor Mini Cooper F54 F55 F56 F57 F60 PDC Ultrasonic Black 9274428 SET
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Mini F55 F56 F57 Integrated Supply Module Electrical Control Unit Module 8486997
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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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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator 110A 03C903023G
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Audi A6 C7 Fuel Pump Control Unit Module 4G0906093F
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BMW E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
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BMW E90 E91 E92 N52 N52N Engine Starter Motor Valeo 7616500
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Volkswagen VW Golf Mk7 Front Radar Distance Control Unit Module 3QF907561D
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Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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BMW E60 IBS Negative Battery Lead Cable Connector 6944687
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BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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BMW E70 E71 Seat Control Unit Module ECU 9196933
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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
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Air Suspension Module Mercedes W212 Regulation Level Control Unit A2129003608
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Mercedes W221 Rear View Reversing Camera Control Unit Module A1645430062
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Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit AT1T-18C815-BA
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Part no. 8506438
BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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Part no. 9226347-1
BMW E81 E90 LCI Business System Car Infotaiment CD Player Head Unit CIC 9226347
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Fuse Box BMW E90 E91 E92 Front Power Distribution 9119447
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BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9229880
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BMW 3 Series E46 Radio Business Cassette Player 6928762
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Mercedes W124 M103 Alternator Generator BOSCH 14V 70A A0131541002
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Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Part no. 1025-10
BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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Audi A1 8X Starter Motor Petrol Engine Electrical Unit Actuator 02M911024J
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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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BMW X6 E71 Antenna Amplifier Diversity Control Unit Module 868 MHZ 9130160
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. 1K0971228N
Audi A3 VW Golf Caddy Battery Lead Positive Cable Plus Pole Wiring 1K0971228N
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BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
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Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B
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Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
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On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016
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BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277
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Part no. 8509036-3
BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic
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BMW F10 F11 Front Bumper PDC Wiring Loom Electrical Cable Harness 9240226
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Fuse Box Mercedes W169 W245 Electrical Relay Control Unit A1695450540
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465408032
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Mercedes W204 W207 C218 W212 E220 Navigation 20 Control Module Unit A2079005400
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Mercedes-Benz A-Class W176 Mikrophone Roof Control Module A2468200035
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Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
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BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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Ford Ranger Explorer Starter Motor Engine Actuator Diesel Mitsubishi M002T87271
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Part no. 06K903026C
Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C
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Audi A3 8P Engine Alternator Generator 14V 140A 1.8 TFSI CDAA 06H903017E
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Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
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BMW E46 Z4 E85 M54 Automatic Gearbox ECU Control Module EGS 7522980
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Part no. A2219006303
Mercedes W221 Radio Multimedia Head Unit A2219006303
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Part no. 6965046-1
CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046
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Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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Part no. 8H0959655G
Audi A4 B7 Air Module Control Unit ECU Impact Sensor 8H0959655G
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Mercedes SLK R172 C207 Front Fuse Box Relay Control Unit SAM Module A2129006429
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Part no. 8591073-4
BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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Part no. 4H0907063BN
Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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Part no. 8T0919604A
Audi A5 8T Display Screen Dashboard Multifunction Monitor Unit 8T0919604A
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Part no. 9233010
BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Part no. 9367804
Amplifier BMW F20 F21 F22 F23 Top Hifi Audio Module Harman Kardon 9367804
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Part no. 7805585
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7805585 Automatic
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Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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BMW 3 Series E92 LCI Headlight Inner LED Module Unit 1301328884 1307329329
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Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545
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Yaw Sensor Mercedes R171 W203 W209 ESP Rotation Rate Unit Module A0055422118
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9119707
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Mercedes C209 220 CDI M646.966 150HP Engine Unit ECU A6461506479 Automatic
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Audi TT 8J Audio Amplifier Radio Sound BOSE Unit 8J0035223D
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Mini R50 R53 Body Control Unit Basic Module Controller BCM BC1RD 6934293
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Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Porsche Boxster 986 Rear Screen Heating Relay Module 99661511700
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Mercedes W204 C207 W212 Earth Ground Cable Transmission To Body A2045407335
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Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
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Skoda Fabia Mk2 5J Engine Alternator Generator Unit 14V 110A 06F903023D
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BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
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Mini Cooper One R52 Body Control Unit Basic Module BC1RD 6976989
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Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021
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BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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BMW E90 E90N E91 E91N E92 E92N E93 LCI NOX Wiring Loom Cable 7541009
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Mercedes V177 Head Unit Media Player Audio Radio Controller A1679001014
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Part no. 9664661580
Peugeot 3008 Yaw Sensor ESP Rotation Rate Acceleration Control Unit 9664661580
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Part no. 6918816
BMW 1 3 5 6 X1 X3 X5 X6 Z4 Series Relay Change Over Contact Silent Blue 6918816
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Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9150109
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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 .