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. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 4H0951253C
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 646 4H0951253C
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 7M0951253C
Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K0971228L
VW Golf MK5 6 Audi A3 8P Positive Battery Terminal Cable 1K0971228L
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 4H0951253A
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 1T0971235A
Volkswagen Golf MK5 6 Audi A3 8P Negative Battery Terminal Cable 1T0971235A
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 038907281D
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 1T0909606
VW Volkswagen Touran 1T Air Module Control Unit Crash Impact Sensor 1T0909606
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 3AA919041
VW Sharan 7N Voltage Stabilizer Converter Electric Control Unit Module 3AA919041
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 6C0959653
VW Polo 6R Seat Ibiza 6J Clock Spring Steering Column Squib Ring 6C0959653
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 02Z911023N
Volkswagen VW Golf VI Engine Starter Motor 1.6TDI 2.0 TDI Diesel 02Z911023N
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K0951253-1
VW Volkswagen Audi Seat Relay 449 12V 30A Unit Module 4 Pins 1K0951253
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 02Z911024K
VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K
PLN 142.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1H0953227
Audi Seat Volkswagen Polo 6N Turn Signal Hazard Light Relay 191 1H0953227
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 1J6035111
VW Volkswagen Touareg 7L Golf 4 CD Changer 1J6035111
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K2941824
VW Golf Mk5 Fuse Box Control Unit Relay Power Distribution Module 1K2941824
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 070903327C
Volkswagen Touareg Transporter 2.5TDI Alternator Coupling Sleeve Belt 070903327C
PLN 70.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 02E911024B
Starter Motor VW Golf GTI Audi Seat Skoda Petrol CJX CHHA Bosch 1.1KW 02E911024B
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 4H0951253A-2
Seat Skoda Audi VW Polo 6R Multi Use Control Relay 4 Pin 645 4H0951253A SET X3
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 7L6937049AF
Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
PLN 118.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K0971235J
Audi A3 Volkswagen Golf Battery Wire Cable Negative Earth Lead 1K0971235J
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 03L903023F
Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 6R0971349AM
Volkswagen Polo Mk5 V 6R Battery Cable Alternator Starter 6R0971349AM
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K0909605AE
VW Volkswagen Scirocco Mk3 Air Module Control Unit ECU 1K0909605AE
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 3D0941329B
Volkswagen Passat B7 Headlight Cornering Module Control Unit 3D0941329B
PLN 189.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0937084DB
VW Golf MK7 Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DB
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K0951253
VW Volkswagen Audi Seat Relay 449 Unit Module 4 Pins 1K0951253
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K0971250AH
VW Golf Mk5 V Negative Battery Terminal Cable Wiring 1K0971250AH
PLN 47.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 141951253B-1
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 6R0919433
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 505 7 Pins 6R0919433
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 4H0955557
Volkswagen VW Polo 6R 5 Audi A6 C7 Air Module Crash Impact Sensor 4H0955557
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 191937503
VAG VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 191937503
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 7L0959772D
VW Touareg Phaeton Heated Seat Control Module Unit 7L0959772D
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 02Z911023H
Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor 02Z911023H
PLN 85.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. VW-Remote-Key
VW Passat Radio Remote Control Alarm Key Fob Control Unit Module
PLN 47.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 7H0937617
Volkswagen Transporter T5 T30 Fuse And Relay Box Wiring Cable 7H0937617
PLN 75.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K0951253A
VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 02M911023N
Volkswagen Touran Engine Starter Motor 02M911023N
PLN 123.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K0907655D
VW Touran 1T Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655D
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 2K5951172
VW Volkswagen Caddy Maxi Interior Roof Alarm Sensor Module Unit 2K5951172
PLN 427.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 09G927750FD
VW Volkswagen Tiguan 5N Automatic Gearbox Module Control Unit ECU 09G927750FD
PLN 189.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 4F0959793E
VW Volkswagen Tiguan 5N Front Right O/S Door ECU Module Control Unit 4F0959793E
PLN 66.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5N0035342G
VW Volskwagen Polo 6R Multimedia Electronic ECU Control Unit Module 5N0035342G
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 7L0909606D
Volkswagen Touareg 7L Front Impact Crash Sensor Right Left N/O/S 7L0909606D
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 7L0907719A
Volkswagen Touareg Anti Theft Alarm System Control Module Unit ECU 7L0907719A
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 3D0909139B
Volkswagen Touareg 7L Entry Module Keyless Go Control Unit ECU 3D0909139B
PLN 332.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1K3959857B
Volkswagen Polo 6R Golf Mk6 3-Door Window Lifter Switch Driver's Side 1K3959857A
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 0AD927755BE
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BE
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 6R0971839A
VW Volkswagen Polo 6R 1.2 TSI Petrol Fuel Sender Pump Cover Panel 6R0971839A
PLN 47.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5H0963554
Volkswagen Golf Mk8 Rear Seat Bench Couch Occupancy Sensor Unit 5H0963554
PLN 123.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5H0971385F
Volkswagen Golf Mk8 CD1 Rear Seat Couch Wiring Harness Cable Loom 5H0971385F
PLN 284.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
PLN 47.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA915343B
Battery Bracket VW Golf 8 CD1 Audi A3 8Y Battery Clamp Holder 5WA915343B
PLN 47.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA962132
Volkswagen Golf Mk8 Antenna Amplifier Transmitter Receiver Module ECU 5WA962132
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5H0971104P
Volkswagen Golf Mk8 CD1 Parking Sensor Wiring Rear Bumper Loom Cable 5H0971104P
PLN 142.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 0AM911022C
Volkswagen Golf Mk8 Engine Starter Motor Assembly Unit 0AM911022C
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA907007AC
Volkswagen Golf Mk8 Air Conditioning A/C Control Unit Module 5WA907007AB
PLN 474.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA959436P
Volkswagen Golf CD1 Keyless Go Module ECU Entry Control Unit 5WA959436P
PLN 47.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
PLN 379.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0959592L
Volkswagen Golf Mk8 Front Door Passenger Side Module Control Unit 5Q0959592L
PLN 75.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA959354
VW Volkswagen Golf Mk8 Air Module Control Unit Crash Impact Sensor 5WA959354
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 7M0951253C-1
VW Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA971794R
VW Golf 8 1.5 eTSI HV Battery Positive Terminal Harness Cable Wiring 5WA971794R
PLN 104.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 3C0937125A
Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5N0035552K
VW Tiguan 5N Antenna Amplifier Module Control Right O/S Unit 5N0035552K
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 03E971815A
Volkswagen Polo 6R Cover Wiring Loom Guide Bracket Trim 03E971815A
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5G6867657
Volkswagen Golf 5G Mk7 Rear Lamp Light Bulb Cover Left N/S 5G6867657
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 8Y0963554B
Volkswagen Golf 8 Rear Seat Couch Occupancy Sensor Unit 8Y0963554B
PLN 104.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0959593F
Volkswagen Golf Mk8 Door Module Front Right O/S ECU Control Unit 5Q0959593F
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 0AM911023T
Volkswagen Touran 1T 1.4 TSI Petrol Engine Starter Motor 0AM911023T
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 03C906027DA-1
VW Volkswagen Touran 1T 1.4 TSI CAVC Engine ECU Kit Ignition 03C906027DA + Keys
PLN 949.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5G0035820A
Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A
PLN 189.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5G0919605
VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
PLN 237.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 02M911024J
Volkswagen Golf 7 Audi A1 A3 Seat Ibiza Petrol Engine Starter Motor 02M911024J
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 03C972619CG
VW Passat B7 Engine Wiring Loom Cable Harness Injector Module Petrol 03C972619CG
PLN 379.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0907530AC
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
PLN 75.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0959392D
VW Volkswagen Golf 7 Front Door Control Module Passenger Side Unit 5Q0959392D
PLN 75.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 2Q0980653G
Audi Q2 GA Front Camera Module Lane Assist Control Unit 2Q0980653G
PLN 284.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 1J0919506M
Volkswagen Skoda Seat Audi Radiator Cooling Fan Relay Control Unit 1J0919506M
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 1Y0951177
VW Volkswagen New Beetle Alarm Motion Detector Sensor Module Unit 1Y0951177
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0035570-1
Volkswagen Golf 5G Radio Antenna Noise Signal Disturbance Suppressor 5Q0035570
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0937086BK-1
Volkswagen Golf Sportsvan Body Control Comfort Unit Module BCM Unit 5Q0937086BK
PLN 237.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 510971693J
Volkswagen Golf Sportsvan Door Harness Rear Left N/S Door Wiring Loom 510971693J
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 4H0951253C-1
Volkswagen Polo 6R Tiguan 1T Multi Use Control Module Relay SET 4H0951253C
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA962133F
Audi Volkswagen Seat Keyless Entry Module Aerial Antenna 5WA962133F
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0959435A
Volkswagen Golf CD1 Keyless Go Module ECU Entry Control Unit 5Q0959435A
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5WA962133E
Volkswagen Golf 5G Keyless Entry Module Aerial Antenna 5WA962133E
PLN 75.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 7L0959655
Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 09D927750FA
Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
PLN 142.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 05E972627B
Volkswagen Golf SV 1.5 TSI DADA Automatic Engine Wiring Harness 05E972627B
PLN 379.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 7L0941824B
Volkswagen Touareg 7L Fuse Box Module Electrical Relay Control Unit 7L0941824B
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 0AH911023G
Audi Seat Skoda Volkswagen 1.2 TSI Petrol Starter Motor 0AH911023G
PLN 189.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 5N0035341B
Volkswagen Golf 5 Multimedia Interface Module Box 5N0035341B
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 3C0907651
Volkswagen VW Golf Mk6 1K Acceleration Sensor 3C0907651
PLN 42.95
Delivery - Thu, Jan 08
If paid before 14:00
Part no. 5Q0937125A
Fuse Relay Box Volkswagen Audi Skoda Seat Engine Bay Supply Unit 5Q0937125A
PLN 94.95
Free delivery - Thu, Jan 08
If paid before 14:00
Part no. 02Z911023G
VW Volkswagen Touran 1T 1.4 TSI Starter Motor Petrol Engine Unit 02Z911023G
PLN 61.95
Free delivery - Thu, Jan 08
If paid before 14:00
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 .