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. 6850375
BMW 1 3 Series E81 E87 LCI E88 E90 M3 E92 Speed Cluster Sensor 6780334
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Volkswagen Golf Mk7 Headlight Cornering Module Control Unit 3D0941329E
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BMW F07 F10 F11 F12 F13 Battery Cable Wiring Plus Pole 9217036
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BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm
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BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625
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Tailgate Trunk Mercedes X117 X156 W205 Boot Rear Control Module Unit A2389053301
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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver 761
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Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Distributor Box Mercedes W204 W212 W906 Front Block Control Unit A0045468240
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Skoda Octavia II Crash Thrust Air Module Sensor 1K0955557B
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Black 6942912
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Mercedes Sprinter W906 ECU Control Unit Sensor Module A9064461442
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BMW X5 E53 3.0i M54 Wiring Loom Harness Engine Automatic Gearbox 7531992
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BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
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BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
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BMW X5 E53 E65 Bulb Parking Light Headlight Front Lighting 12V 10W
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BMW X5 E70 Suspension Module Self Leveling Air Supply Control Unit 6793163
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BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961
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BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox 9257151
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BMW 3 Series E90 E91 LCI Mini R55 R56 Tyre Pressure RDC Control Unit Module
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BMW E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Part no. 6982114
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6982114
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Relay Mercedes W163 W169 W203 W210 Relay Unit 5-Pin Yellow Tyco A0025421419
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Part no. 9131850
CD Changer BMW E60 E61 E63 6-DISC Compact without Magazine 9131850
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Part no. 9131780
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Part no. 8200404459G
Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459G
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Part no. 5J0035411C
Skoda Fabia 5J Front Door Bass Loudspeaker Left Right N/O/S 5J0035411C
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Part no. 1477831-1
Mini Cooper One R50 R52 Air Intake Silencer Filter Box 1477831
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Part no. 8R0919604A
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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Part no. A9075450100
Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
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Part no. A6395450191
Mercedes Vito W639 Positive Battery Terminal Cover Cap Trim Red A6395450191
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Part no. A1695420018-HBL
Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
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Part no. 6940236
BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236
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Part no. 7428425-3
Headlight Module BMW F20 F21 LCI Front Lamp Hedlamp LED Control Unit 7428425
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Part no. 7203993
BMW E60 E61 E63 E81 E87 E90 Control Unit For Fuel Pump ECU 7203993
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Part no. 9187539
BMW E87 LCI Body Control Module ECU H2 Junction Box 9187539
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Part no. 1K0937125D
Audi A3 8P Engine Bay Fuse Box 1K0937125D
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Part no. A9066880008
Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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Part no. 8K0959793R
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8K0959793R
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Part no. 8K0907063AC
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Part no. 6989169
Rear Bumper PDC BMW E65 E66 Front Ultrasonic Sensor Schwarz 2 Black 668
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Part no. A0035421819
Mercedes C205 Fuse Box Relay Control Unit Module A0035421819
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Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
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Part no. 6942908
BMW 3 X3 Series E46 E83 Navigation Computer GPS System DVD Player Unit 6942908
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. A0131541002
Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Part no. 4M0959651
Front Crash Impact Audi A4 B9 A5 F5 Air Module Sensor Unit 4M0959651
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BMW E60 E65 E66 E67 Front Seat Sensor Mat 6919812
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Part no. A9065400113
Mercedes-Benz Sprinter W906 Rear Door Licence Plate Lighting Wiring Cable
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Part no. 7241551
BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551
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Audi Q7 4M Front PDC Parking Distance Sensor Mythical Black Metallic - Y9T
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Part no. A6519064800
Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Part no. 9258170
BMW 1 3 E81 E87 E90 E91 E92 LCI Radio CD Professional Control Unit 9258170
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Part no. 7531809
Mini Cooper One R50 R52 Automatic Gearbox Transmission Signal Control Module
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Part no. A0025424419
Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Part no. 9288769-1
Audio Speaker BMW F20 F21 F23 F30 Mid-Range Sound Speaker Stereo HiFi 9288769
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Part no. 6821206
BMW F45 F46 F48 Battery Cable IBS Negative Battery Lead 6821206
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Part no. A2115407907
Mercedes-Benz E-Class W211 Battery Positive Cable Wiring A2115407907
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Part no. 9259425-2
Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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Part no. 2687921-SBG
BMW 5 Series E60 PDC Ultrasonic Parking Sensor Silbergrau Silver Grey A08
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Part no. 9185171
BMW E60 E81 E90 LCI Adapter Cable CIC System 9185171
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BMW F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Part no. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
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Part no. 9145158
BMW E60 E61 E63 E65 PDC Parking Control Module Unit ECU 9145158
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Part no. A0009068206
Alternator Generator Mercedes W177 W247 M260 Petrol Engine 200A 14V A0009068206
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Part no. A9069005103
Mercedes Sprinter W906 Radio CD Player Audio Bluetooth Head Unit A9069005103
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Part no. 3453737
Mini R56 High SPEG M3 Fuse Distribution Box Electrical Control Unit 3453737
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Part no. 9211969-1
BMW E60 E61 E90 E91 LCI Display Screen 8.8" Monitor Sat Nav 9211969
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Part no. X3E83REARWIRINGLOOMPDC
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
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Part no. 6963026
Body Control Unit BMW E46 E83 Basic Module GM5 Star12 6963026
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Part no. 8362063
BMW X5 Z4 E46 E53 E85 Drive Window Lifter Motor Left N/S Front 8362063
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Part no. 6775949
BMW E90 E91 E92 Longitudinal Dynamic Module Cruise Control 6775949
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Part no. 7794952
BMW E60 M57 Engine Starter Motor 7794952 0001115041
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Part no. 7388490
BMW F31 Body Control Unit Module HKFM 7388490 0066245503 F005V01610
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Part no. 3450938
BMW Mini Cooper One R56 Footwell Light Module LOW ECU PL3 FRM II 3450938
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Part no. A1645400182
Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182
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Part no. 9203082-1
BMW 5 6 7 E60 E63 E65 Adaptive Light Control Unit Module LM E6X 9153273
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Part no. 7788680-3
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit
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Part no. 9241005
BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9241005
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Part no. 8366646
BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646
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Part no. 7798482
BMW E60 E61 Battery Alternator Cable Lead For Preheater System 7798482
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Part no. 9178962
BMW X5 X6 E70 E71 Power Distribution Fuse Box Battery 9178959
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Part no. A9065460643
Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643
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Part no. 6935597-2
4 x BMW 1 3 E81 E87 E90 E91 PDC Set Parking Sensor Front Rear Titansilber Silver
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Part no. 7788680-1
BMW E46 E60 E61 E65 E83 E53 M57N Starter Motor LRS01964BN
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BMW E81 E82 E87 Xenon Headlight Light Ballast Control Unit 89034934
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BMW E90 E92 E93 Switch Cluster Steering Column Cruise Control 9110887
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BMW F40 F54 Cover Battery Vehicle Trim 7290719
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Cable Wiring BMW E81 E87 Petrol N43 Positive Battery Lead Petrol 116i 118i 120i
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Part no. 4F0907279
Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
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Part no. 9132249
BMW 5 Series E60 LCI IBS Negative Battery Lead Cable Wiring Harness 9132249
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Part no. A0009061903
Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903
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Part no. A1694402805
Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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Part no. A2048704326
Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
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Part no. 9114447
BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Part no. 7P0959354
Porsche Cayenne 92A Front Side Door Crash Sensor Left Right N/O/S 7P0959354
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Part no. A2038202686
Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686
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Part no. A1679052401
Crash Impact Sensor Mercedes C118 W177 W247 Front Acceleration Unit A1679052401
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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 .