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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In Stock
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Part no. 8T0959792P
Audi A5 8T Front Door Control Module Right O/S Passenger Side 8T0959792Q
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8U0907468Q
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468Q
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€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4B0951173
Audi A3 8L A4 B5 A6 C5 Alarm Control Module Unit ECU 4B0951173
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K0915181N
Audi A1 8X Negative Battery Terminal Cable Wiring 8K0915181N
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8K0907064KG
Audi Q5 8R Body Control Module ECU Control Unit 8K0907064KG
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€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8W6971029BF
Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971029BF
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€85.95
€73.06
Free delivery: Feb 16 – 19
If paid before 14:00
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Part no. 8D0951253A
Audi A6 C6 Multi Use Relay Unit Module 4 Pins 373 8D0951253A
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€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
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Part no. 4F0907247A
Audi Q7 4L Keyless Entry Amplifier Control Box Module Aerial Antenna 4F0907247A
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€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8E0910115N
Audi A4 B7 2.0 TFSI BUL Quattro 220HP Engine Control ECU Kit 8E0910115H Manual
€165.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4H0959591A
Audi A8 D4 4H Sunroof Wind Deflector Module Control Unit 4H0959591A
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 03L911021E
Audi A4 B8 Starter Motor Engine Motor Actuator Diesel Bosch 03L911021E
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€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 3C0915336A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915336A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4L1971073D
Audi Q7 4L Front Frame Air Module Wiring Harness Cable 4L1971073D
€37.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 130831041000
Audi A5 8T Headlight Inner LED Inner Module Unit 6NHM0000 130831041000
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K9035225
Audi RS4 B8 Radio Aerial Antenna Amplifier AM/FM 8K9035225
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€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8V0971228
Audi RS3 8V 2.5 TFSI Quattro Starter Motor Battery Cable Wiring 8V0971228
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€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 5Q0937615C-1
Audi TT FV Fuse Relay Box Module Electrical Control Unit 5Q0937615C
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 06E903018M
Audi A6 C7 A7 4G Alternator Generator Hitachi 2.8 FSI 06E903018M
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8W6971030BF
Audi A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971030BF
Promo price
€85.95
€73.06
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 7E0907652A
Audi TT 8J ESP YAW Rate Lateral Acceleration Speed Sensor 7E0907655A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8X0971687C
Audi A1 8X Rear Door Harness Left N/S Wiring Loom Cable 8X0971687C
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K9035225A
Antenna Amplifier Audi A4 S4 B8 Radio Aerial AM/FM 8K9035225A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 02M911023S
Audi TTRS 8J VW Golf Mk6 Starter Motor Engine Bosch 2.0 TDI Diesel 02M911023S
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8W9971104M
Audi A4 B9 Rear Bumper PDC Parking Sensor Harness Wiring Loom Cable 8W9971104M
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 80A915181A
Audi Q5 8R Battery Earth Negative Terminal Cable Lead 80A915181A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 06K907425B-18
Audi S3 8V 2.0 TFSI DJHA 310HP Quattro Engine ECU Kit 06K907425B BCM + Key
€284.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5Q0971228K
Audi A3 8V 1.5 TFSI DPCA Positive Battery Cable Lead Clamp Wire Loom 5Q0971228K
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 06F971082F
Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4B0959643E
Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 4B0959643E
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8F0971029AM
Audi A5 8T Front Door Electric Wiring Loom Harness Driver's Side 8F0971029AM
€42.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8K9035382B-1
Audi RS4 B8 Boot Trunk Speaker Spare Wheel Holder Audio Kicker 8K9035382B
Promo price
€80.95
€48.57
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5Q0959592F
Door Module Audi A3 8V Volkswagen Golf 7 Control ECU Front Left N/S 5Q0959592F
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 04E907309AB
Audi A3 8V 1.4 TFSI CZEA 150HP Engine Control Unit ECU Kit 04E907309AB Manual
€222.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4H0907063DA
VW Touareg 7P Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DA
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 420919275-1
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4B0941471
Audi S3 8L A6 C5 Xenon Headlight Ballast Module Control Unit 4B0941471
€37.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 5Q0919283B
PDC Module Audi A3 8V Seat Leon Skoda Octavia Parking Control Unit 5Q0919283B
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8T0959754D
Audi A4 B8 A5 8T A6 C7 Remote Radio Alarm Key Button Control 868 MHZ 8T0959754D
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8W7907468E
Audi S5 F5 Gateway Control Module Diagnostic Interface Unit 8W7907468E
€275.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4F0959795M
Audi A6 C6 Rear Door Left Right N/O/S Module Unit Control ECU 4F0959795M
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 4G2907311C-1
Audi A7 4G8 3.0 TDI CRTE 218HP Quattro Engine ECU Kit 4G2907311C BCM2 + 2 Keys
Promo price
€664.95
€398.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8T0959795Q
Audi A5 B8 8T Door Module Control Unit Left Right N/O/S 8T0959795Q
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8V0035736
Audi A3 8V Music Interface Multimedia Connection Module 8V0035736
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8X0959792F
Audi A1 8X Front Door Control Module Unit Passenger Side 8X0959792F
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8U0971687D
Audi Q3 8U Door Loom Wiring Harness Cable Rear Left Right N/O/S 8U0971687D
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8K0971693B
Audi A4 B8 Rear Door Card Harness Wiring Cable Loom Left Right N/O/S 8K0971693B
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 80A907777N
Audi Q5 FY Active Suspension Module Damping Chassis Control Unit EFP 80A907777N
Promo price
€284.95
€242.21
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5Q0907530AH
Audi A3 S3 RS3 8V Gateway Control Module GW MQB Mid Unit ECU 5Q0907530AH
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8T8971845
Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8T0035415B
Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
Product currently unavailable
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Product currently unavailable
Part no. 7L0971225
Audi Q7 4L 4.2 TDI Quattro Positive HV Battery Terminal Cable Harness 7L0971225
Product currently unavailable
Part no. 03L903023L
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023L
Product currently unavailable
Part no. 059911021K
Audi A5 8T 3.0 TDI CLAB Diesel Engine Starter Motor 059911021K
Product currently unavailable
Part no. 06D903016AB
Audi A4 B7 1.8 T BFB Petrol Engine Alternator Generator 06D903016AB
Product currently unavailable
Part no. 8V0857273P
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P
Product currently unavailable
Part no. 8XA959655A
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
Product currently unavailable
Part no. 8V0857273N
Audi A3 8V Head Up Navigation Multimedia Screen Display Unit 8V0857273N
Product currently unavailable
Part no. 8W0907064CB
Audi A4 B9 BCM Body Control Module Unit ECU 8W0907064CB
Product currently unavailable
Part no. 5QF959655BQ
Audi Q2 GA Air Module Control Unit 5QF959655BQ
Product currently unavailable
Part no. 8K0971029M
Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
Product currently unavailable
Part no. 6C0915343A-1
Audi A1 8X Battery Terminal Fuse Socket Retainer 6C0915343A
Product currently unavailable
Part no. 1K0971349FL
Audi A3 8P Alternator Main Cable Wiring Harness Loom 1K0971349FL
Product currently unavailable
Part no. 4L0035382B
Audi Q7 4L Boot Trunk Subwoofer Rear Bass Speaker 4L0035382B
Product currently unavailable
Part no. 8V0907376E
Audi A3 RS3 8V AMR Module Rear Suspension Damper Control Unit 8V0907376E
Product currently unavailable
Part no. 3Q0907530AA
Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA
Product currently unavailable
Part no. 4H0907064GB
Audi A7 4G8 Body Comfort Control Module Unit BCM V2 4H0907064GB
Product currently unavailable
Part no. 7PP941572AC
Audi A5 F5 Xenon Headlight Resistor Ballast Relay Module Unit 7PP941572AC
Product currently unavailable
Part no. 8J0035223B
Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
Product currently unavailable
Part no. 04L907445G-1
Audi A3 8V 1.6 TDI DGTE 115 HP Engine ECU Kit Ignition + Key 04L907445G Manual
Product currently unavailable
Part no. 8K0959793R
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8K0959793R
Product currently unavailable
Part no. 8R0959655G
Audi Q5 8R Air Module Control Unit SRS System ECU 8R0959655G
Product currently unavailable
Part no. 8K0971228B
Audi A5 8T Battery Starter Alternator Harness Wiring Cable 8K0971228B
Product currently unavailable
Part no. 80A906093A
Audi SQ5 FY Petrol Fuel Pump Relay Control Unit Module ECU 80A906093A
Product currently unavailable
-5%
Part no. 8K0959795C
Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
Product currently unavailable
Part no. 4E0910732A
Audi A8 4E S8 D3 Head Unit Interface Control Module 4E0910732A
Product currently unavailable
Part no. 4G0907468G
Audi A7 4G8 Central Gateway Control Lear Module Unit ECU 4G0907468G
Product currently unavailable
Part no. 8E0959651B
Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 8E0959651B
Product currently unavailable
Part no. 5Q0937084AA
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
Product currently unavailable
Part no. 8K0953568B
Audi A5 8T Wiper Switch Stalk Steering Column Wheel 8K0953502C
Product currently unavailable
Part no. 4KE035282H
Audi A4 B9 Communication Telematics Control Module Unit ECU 4KE035282H
Product currently unavailable
Part no. 4E0907801B
Audi A8 S8 D3 Electric Parking Brake Module Handbrake Control Unit 4E0907801B
Product currently unavailable
Part no. 038907281B
Audi A6 C6 2.0 TDI Glow Plug Relay Unit Control Module 038907281B
Product currently unavailable
Part no. 4G0907637L
Audi RS6 C7 Acceleration Yaw Rate Sensor Module Control Unit ECU 4G0907637L
Product currently unavailable
Part no. 1K0915333B
Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
Product currently unavailable
Part no. 4L0910110A
Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
Product currently unavailable
Part no. 03L906018KJ
Audi A4 B8 A5 8T 2.0 TDI CGLD Engine Control Unit ECU 03L906018JH Manual
Product currently unavailable
Part no. 03C971612BR
Audi A1 8X 1.4 TSI Engine Wiring Loom Harnes 03C971612BR
Product currently unavailable
Part no. 4H0907063BN
Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
Product currently unavailable
Part no. 4G0906093F
Audi A6 C7 Fuel Pump Control Unit Module 4G0906093F
Product currently unavailable
Part no. 8P0907063G
Audi A3 8P Body Control Module Unit 8P0907063G
Product currently unavailable
Part no. 4L0959651
Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
Product currently unavailable
Part no. 8P0959655S
Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655S
Product currently unavailable
Part no. 8K0907289C
Audi A5 8T BCM Body Comfort Convenience Module Unit ECU 8K0907289C
Product currently unavailable
Part no. 4F0907468N
Audi Q7 4L Diagnostic Interface Gateway Control Module Unit ECU 4F0907468N
Product currently unavailable
-40%
Part no. 4H0959655C
Audi A6 C7 2.0 TDI SRS Air Module Control Unit Sensor ECU 4H0959655C
Product currently unavailable
-5%
Part no. 5Q0959593B
Audi A3 8V Door Module Control Unit Front Driver Side 5Q0959593B
Product currently unavailable
Part no. 8U0998572A
Audi Q3 8U Headlight Module LED Headlamp Control Unit 8U0998572A
Product currently unavailable
Part no. 8T2035186P
Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186P
Product currently unavailable
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 .