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. 8517727-2
Mini R56 LCI R60 143HP 2.0 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
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Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
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Audi A4 S4 B6 A7 4B Crash Impact Sensor 8E0959651
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BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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VW Volkswagen Golf Mk7 Front Impact Crash Air Module Sensor 5Q0959655AA
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407832
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BMW 5 Series E60 E61 Radio M-ASK M-Audio System Controller CD Player 6955348
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Audi A3 8V 1.6 TDI 110HP DBKA Engine ECU 04L907309R Manual
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Ford Transit Mk8 VI Body Control Module Fuse Box GK2T-15604-FAF
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Audi SQ5 8R Starter Alternator Engine Wiring Loom Cable 3.0 TDI 8R0971228BG
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Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614
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BMW X5 E70 Alternator Generator Engine Unit Valeo 220A 14V 7801124
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BMW E38 Headlight Light Check Module Control Unit ECU Lear LCM II 8372875
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BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9229878
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Mercedes W177 M282 Petrol Engine Starter Motor A2829061900
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Radio Head Mercedes Vito W639 Sprinter W906 CD Audio Stereo Unit A9068200886
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Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468
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BMW 1 Series E81 E82 E87N LCI E88 Wiring Cable Air Flap PDC Front 9150891
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Mercedes A238 SAM Control Module Unit ECU A2139008123
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Audi TT 8J Volkswagen Golf Mk5 Gateway Control Unit Module ECU 1K0907530L
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Body Gateway Module BMW E60 E61 LCI E63 E64 ECU Control Unit 9157156
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Part no. 8583423
Mini D R60 R61 ALL4 N47N 112HP Engine ECU Control Unit DDE 8583423 Manual
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BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Part no. A0009006706
Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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Part no. 6906911-1
BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
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Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AC
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Part no. 6935048
BMW 6 Series E64 Aerial Antenna Amplifier Diversity DAB 6935048
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Part no. 7575665-1
BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7575665 CAS3 + Key
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Part no. 3413318
BMW E83 Light Control Module Lear LM MAN.LWR 3413318 61313413318
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Part no. A9079001703
Display Screen Mercedes W907 W910 Head Unit Touch Monitor 7" A9079001703
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Part no. 7503505
Cable BMW E39 Petrol Engine M52 Alternator Starter Cable Wire B+ 7503505
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BMW X3 E83 Air Module Control Unit ECU 3452166
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Part no. 8652746
Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Engine Control Unit DME 8652746 Manual
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Part no. 04L903018A
Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A
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Part no. 9852925
BMW G16 G26 Tailgate Lift Boot Lid Control Unit Module Trunk 9852925
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Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000
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Part no. 1393415-3
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809
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Part no. 8516739-4
Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Manual
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Part no. 4H0907064CN
Audi A6 C7 BCM Body Comfort Convenience Module Unit ECU 4H0907064CN
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Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637H
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BMW E90 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Mercedes W204 W212 C218 Sound Audio Amplifier Harman Becker A2128700194
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Part no. 3456394
Mini Cooper R56 LCI ECU Footwell Light Module FRM3R LOW EKS Lear 3456394
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Part no. 8K0915181
Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181
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Part no. 7527610-7
MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Key Manual
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Part no. A2469006710
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Part no. 8645325
Alternator BMW F20 F21 F30 F31 LCI F32 F33 F34 Petrol Engine Unit 180A 8645325
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Part no. 6827065-1
BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R 6827065
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Part no. 06E903016S
Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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Part no. A2129005722-1
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386
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Part no. A2079005400
Mercedes W204 W207 C218 W212 E220 Navigation 20 Control Module Unit A2079005400
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Part no. 7794952-3
Starter BMW E60 M57 Engine Starter Motor 7794952 0986021230
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Part no. 8K0919475R
Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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Part no. 8X0919475M
Audi Q3 8U PDC Parking Assistance Control Module Unit ECU 8X0919475M
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Part no. 9365780
BMW X5 F15 Wiring Front Right O/S Door Harness Loom 9365780
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Part no. 8707676
BMW F22 F32 F36 Body Control Comfort Module Unit 8707676
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Part no. 6934846
BMW E91 Antenna Amplifier Diversity Module 9193841 6934846
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Mercedes W176 180 CDI OM607.951 Blue Efficiency ECU Kit A6079002300 Key Lock
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Part no. 4L0907566A
AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
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Part no. 7640004-4
Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 + 2 Keys
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Part no. 6982976
BMW E63 E64 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 6982976
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Part no. BK2T15K867DC
Ford Transit Custom Rear Bumper Parking Sensor Wiring Harness Loom BK2T15K867DC
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Part no. 7576921
Mini Cooper R55 R56 R57 Mitsubishi Engine Alternator Generator Petrol 7576921
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Part no. 6971370
BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Part no. 1729004
BMW 3 5 7 Series E34 E36 E38 E39 Relay Control Module Unit White 1729004
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Part no. 03L903023F
Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Part no. A2115457701
Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
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Part no. 8506375-2
BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + 2 Keys
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Part no. A0009008129-1
PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129
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Part no. 6801102
Mini Cooper One R50 R52 R53 Front Loudspeaker Speaker 6801102
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Part no. A2719060200
Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200
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Part no. 8365326
BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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Part no. 8610678-1
BMW X1 Series E84 20i N20 184HP ECU Engine Kit DME 8610678 CAS3 + Key Manual
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Part no. 8576341-9
BMW F20 118d F30 318d 143HP N47N Engine ECU Kit DDE 8576341 + Key + FEM Manual
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Part no. 6938211
BMW 3 Series E90 E91 M3 Wiring Loom Front Door Right Driver's Side 6938211
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635403033
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Part no. 6965942-1
PDC Wiring MINI Cooper One R50 Rear Bumper Cables Loom Set
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Mercedes Vito W447 Rain Light Sensor Windscreen Control Unit A4479052505
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Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
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Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104
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Audi A3 8V MMI Multimedia CD Player Head Unit Infotainment 8V0035020H
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Part no. 6935645
BMW Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6935645
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Part no. 55568896
SAAB 9-3 1.9 TTiD ECU DDE Engine Control Unit Module 55568896
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Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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Part no. 9133144
BMW 5 Series E61 Body Gateway Module KGM LOW LEAR 9133144
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Part no. 9891562
Seat module BMW G11 G20 G30 G01 G02 Seat Control Unit Module ECU 9891562
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Part no. 7797661-3
BMW X3 X5 E53 E83 M57N2 Alternator Generator Diesel Power 150A 7797661
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Part no. A2129005722
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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Part no. 9197161-1
BMW E88 ECU Footwell Light Module Control Unit PL2 FRM II Lear 9197161
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Part no. 8796101
BDC Module Mini Cooper F56 Body Domain Controller Unit Fuse Relay Module 8796101
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Part no. 6920461
BMW E60 E61 E63 E65 Amplifier Stereo HiFi Harman/Becker 6920461
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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 .