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. 4K0941572CS
Audi A3 8Y LED Headlight Headlamp Ballast Control Module 4K0941572CS
PLN 161.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P4971035AC
Audi A3 8P Door Wiring Driver's Side Harness Loom Electrical Cable 8P4971035AC
PLN 474.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 3C0915336A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915336A
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K9035225
Audi RS4 B8 Radio Aerial Antenna Amplifier AM/FM 8K9035225
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0959793P
Audi A4 B8 A5 8T Door Control Unit Module Front Driver's Side 8T0959793P
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4L0971767
Audi Q7 4L Washer Bottle Reservoir Wiring Loom Harness 4L0971767
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 130831041000
Audi A5 8T Headlight Inner LED Inner Module Unit 6NHM0000 130831041000
PLN 123.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5QS919298
Audi A3 S3 8Y VW Caddy SB Mk4 Parking Sensor Module Control Unit 5QS919298
PLN 569.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F1971687S
Audi A6 C6 Rear Door Wiring Left Right N/O/S Harness Loom Cable 4F1971687S
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F0959651
Audi A6 C6 Front Impact Sensor Safety Crash Detection Module Unit 4F0959651
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0035570
Audi A6 C6 Interference Disturbance Suppressor Filter Module 8T0035570
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K0907064DC
Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064DC
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 079903805J
Audi A4 B6 B7 4.2 V8 FSI Alternator Bracket Mount Holder 079903805J
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8X0959792F
Audi A1 8X Front Door Control Module Unit Passenger Side 8X0959792F
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W0937124A
Audi A4 B9 A5 F5 Q5 FY Fuse Box Control Module Relay Box 8W0937124A
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K590735700
Audi A5 8T Front Lamp Xenon Headlight Range Control Module 8K590735700
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0959592E
Audi A3 8V Front Door Module Control Unit Module Right O/S ECU 5Q0959592E
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K0941824A
Audi A1 A4 A6 A7 A8 Fuse Box Connector Socket Module Unit 8K0941824A
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 06M907309D-1
Audi SQ5 FY 3.0 TFSI 354HP CWGD Quattro Engine ECU Kit Gateway + Key 06M907309D
PLN 2,374.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4G0035056-1
Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
PLN 949.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4M0971349Q
Audi Q7 4M Electric Alternator Starter Positive Wiring Harness Cable 4M0971349Q
PLN 123.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 06K907425B-15
Audi S3 8V 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
PLN 1,519.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0907247
Audi A6 4G Keyless Entry Aerial Antenna Control Unit Module 4H0907247
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W6971029BF
Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971029BF
PLN 284.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0907468H
Audi A4 B8 Gateway Interface Control Module Unit ECU 8T0907468H
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4G8959792J
Audi A7 4G8 Door Control Module Front Passenger Side 4G8959792J
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W0915181A
Audi A5 F5 HV Battery Negative Cable Terminal 8W0915181A
PLN 123.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 1K0906093G
Audi A1 8X VW Seat Skoda Fuel Pump Control Unit Module 1K0906093G
PLN 123.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 02E911024M
Audi A3 8V 2.0 TFSI DJHA Starter Motor 12V 02E911024M
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8E0959643B
Audi A4 B7 Crash Impact Airbag Sensor Unit Module 8E0959643B
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4M0035454B
Audi A4 B9 Dashboard Loudspeakers Tweeter Speaker Front 4M0035454B
PLN 89.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K2907115S-1
Audi A4 B8 8K A5 8T 2.0 TFSI CDNB 180HP Engine Control ECU 8K2907115S Manual
PLN 379.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F0903291
Audi A6 C6 3.0 TDI Suppression Condenser Noise Filter 4F0903291
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0959651
Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4M0907247A
Keyless Entry Amplifier Audi A4 B9 A5 F5 Control Box Module Antenna 4M0907247A
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8V5971687Q
Audi A3 8V Door Wiring Harness Loom Rear Left Right N/O/S 8V5971687Q
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8V0907376H
Audi A3 S3 8V AMR Module Rear Suspension Damper Control Unit 8V0907376H
PLN 474.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0907182G
Audi A8 D4 4H Multicontour Seat Module Control Unit Left Right N/O/S 4H0907182G
PLN 170.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F1862335
Audi Q7 4L Bluetooth Interface Telephone Control Module ECU Unit 4F1862335
PLN 284.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 06N907309A-1
Audi A4 B9 8W 35 TFSI DMSB 150 HP Engine ECU Kit Body + Key 06N907309A Automatic
PLN 1,614.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8J0971349CD
Audi TT 8J Alternator Main Cable Wiring Harness Loom 8J0971349CD
PLN 113.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 1J0973332A
Audi RS4 B8 Cable Loom Wiring Plug Socket 2 Pins 1J0973332A
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8K0907064FF
Audi A4 S4 B8 Body Control Comfort Unit Module BCM2 Unit ECU 8K0907064FF
PLN 474.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 1K0971250AL
Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 05L907309
Audi A4 B9 A5 F5 30 TDI DTNB 136HP Engine Control Unit ECU 05L907309 Automatic
PLN 1,092.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5N0906093C
Audi Q3 S Line Fuel Pump Relay Control Unit Module ECU 5N0906093C
PLN 70.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T8971845
Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845
PLN 75.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P0953519G
Audi TT 8J A3 8P Windscreen Wiper Stalk Switch Assembly 8P0953519G
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P0907404-1
Audi RS3 8P 2.5 TFSI CEPA Quattro 340HP Engine Unit ECU Kit 8P0907404 Automatic
PLN 4,749.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8Y4971104AL
Audi S3 8Y Electric Rear Bumper Wiring Harness PDC Loom Cable 8Y4971104AL
PLN 360.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0959593B
Audi A3 8V Door Module Control Unit Front Driver Side 5Q0959593B
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 80A907247
Audi SQ5 FY Line Keyless Entry Antenna Control Module 80A907247
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8S0035021E
Audi TT FV Mk3 Navi SD GPS MMI Multimedia Head Unit Module 8S0035021E
PLN 2,374.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 06N971627B
Audi A3 8Y Engine Injector Module Wiring Harness Cable 2.0 TFSI 06N971627B
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P3035223B
Audi S3 8P Audio Sound System Amplifier Bose 290328
PLN 113.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 1EA907376B
Audi A3 S3 8Y Rear Suspension Damper Module Control Unit ECU 1EA907376B
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0909131
Audi A8L 4H Ignition Keyless Entry Reader Coil Module 4H0909131
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 5QA919283G
Audi A3 8V Park Parking Assist PDC Distance Control Unit Module 5QA919283G
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0971230FP
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0915181E
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181E
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0959760D
Audi A8 4D Front Seat Memory Adjustment Module Unit Right O/S 4H0959760D
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5WA959655J
Audi S3 8Y Air Module Control Unit SRS System ECU 5WA959655J
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 03L906022NN
Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Module 03L906022NN
PLN 427.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8N0906018CB
Audi TT 8N 1.8T BAM 224HP Quattro Engine Control Unit ECU 8N0906018CB Manual
PLN 607.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8F0971029AM
Audi A5 8T Front Door Electric Wiring Loom Harness Driver's Side 8F0971029AM
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 06M907309H-1
Audi RS5 F5 2.9 TFSI DECA Quattro 450HP Engine Unit ECU Kit 06M907309H Automatic
PLN 3,324.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4G8971365
Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 03L906018JR
Audi A4 B8 2.0 TDI CJCB 136HP Engine Control Unit Module ECU 03L906018JR Manual
PLN 949.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 04L907309R-3
Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual
PLN 569.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0959107AB
Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AB
PLN 284.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W1907064BC
Audi A4 B9 Body Control Module BCM Comfort Control Unit Power Supply 8W1907064BC
PLN 474.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W9971104A
Audi S4 B9 Wiring Loom Set PDC Rear Complete Harness Parking Sensor 8W9971104A
PLN 237.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4KE959655H
Audi Q7 4M Air Module Control Unit ECU SRS Module Unit 4KE959655H
PLN 617.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0907468M
Audi A5 8T Central Gateway Module ECU Control Unit Lear 8T0907468M
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 4L0959794B
Audi Q7 4L Door Control Module Electrical Unit ECU Rear Right O/S 4L0959794B
PLN 75.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0035225L
Audi A8 D4 4H Aerial Antenna Amplifier AMP Booster Module 4H0035225L
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0959795H
Audi A4 B8 Door Control Module Unit ECU Rear Left Right N/O/S 8T0959795H
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 04L906021BQ
Audi A4 B8 Engine Control Unit Module ECU 2.0 TDI CNHC 163HP 04L906021BQ
PLN 237.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0959393B
Audi A3 8V Front Door Control Module Unit Right O/S 5Q0959393B
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5Q0959593D
Audi TT FV A3 8V Door Module Control Unit Front Right O/S Side ECU 5Q0959593D
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 80A941823A
Audi Q5 FY Positive Battery Terminal Potential Distributor 80A941823A
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H0971104S
Audi A8 D4 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 4H0971104S
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. RHD-8T2035186Q
Audi S3 8V Multimedia MMI Radio Stereo Audio Head Unit CD Player 8T2035186Q
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8R0971104AC
Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104AC
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8X0959792K
Audi Q3 8U Front Door Module Control Unit ECU Passenger Side 8X0959792H
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F9971085E
Audi A6 C6 Avant Rear Bumper PDC Wiring Loom Parking Sensor 4F9971085E
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4E0035541S
Audi Q7 4L Radio Multimedia Receiver Control Module Unit 4E0035541S
PLN 94.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4H4907357B
Audi A8 D4 Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357B
PLN 379.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8T0907468AD
Audi A4 B8 Gateway Interface Control Unit Module ECU 8T0907468AD
PLN 61.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4L2035670J
Audi Q7 4L Head Unit Radio Player Navigation Control Module Alpine 4L2035670J
PLN 1,899.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 4F0959655B
Audi A6 C6 Air Module Control Unit ECU Module 4F0959655B
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W5035021
Audi A4 B9 Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8W5035021
PLN 2,849.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8P0035535
Audi A4 B7 Amplifier Bracket Aerial Antenna Module Mount Holder 8P0035535
PLN 47.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 03L903023K-1
Audi A3 8P A4 A5 B8 Q5 Alternator Generator Diesel Electrical Unit 03L903023K
PLN 189.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 7M0951253A
Audi VW Volkswagen Seat Relay Unit Module 4 Pins 7M0951253A
PLN 42.95
Delivery - Fri, Jan 09
If paid before 14:00
Part no. 8A0937530
Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530
PLN 142.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 5WA959651
Audi A3 8Y VW Golf Mk8 Air Module Crash Impact Sensor 5WA959651
PLN 75.95
Free delivery - Fri, Jan 09
If paid before 14:00
Part no. 8W0915181
Audi TT FV 8S Negative Battery Cable Lead Monitoring Module 8W0915181
PLN 70.95
Free delivery - Fri, Jan 09
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 .