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. A2218703787
Voice Control Module Mercedes W221 Linguatronic Input System Dutch A2218703787
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Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Part no. 5R3919294
Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
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Audi A4 B8 Body Control Comfort Unit Module BCM ECU 8K0907063AH
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Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
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BMW 3 X3 Series E46 E83 Fuse Distribution Box 8364530
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Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201
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BMW 1 3 Series E87 E90 N45 116i 316i Petrol ECU KIT DME 7550688 + CAS2 + Key
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Peugeot 207 1.6 HDI Diesel Glow Plug Wiring Loom Cable Wiring 9671583580
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Skoda Octavia 5E Gateway Control Module Unit ECU 5Q0907530N
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003702
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BMW 7 Series E65 E66 E67 Amplifier Rear Window Antenna Amplifier Module 868MHZ
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Mercedes-Benz A-Class W168 Immobilizer Control Unit Module ECU A1688200426
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Part no. 6901469-2
3X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. A4479007906
Mercedes W447 Door Module Front Left Control Unit A4479007906
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Part no. 9394669
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9394669
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Part no. 7520019-12
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. 8614302-5
BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + 2 Keys
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BMW F10 F11 F12 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9267514
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Part no. 9340339
BMW E90 Max Brose Footwell Light Module Control Unit ECU 9340339
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Mercedes C219 Fuse Box Rear Relay Control Unit Module A2115456701
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Renault Trafic F83 F9Q 760 Engine Control Module ECU 8200546983 Manual
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Part no. A2055404007
Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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Part no. A6461502072
Mercedes-Benz W204 C220CDI Diesel Engine Control Unit Module ECU A6461502072
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Mercedes W211 Alternator Generator A0121549802
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Part no. 6955927
BMW 3 X1 Series E84 E91 E91N LCI Control Unit Sliding Lifting Roof 6955927
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Part no. 9273188-1
Navigation Head Unit BMW E81 E87 E90 LCI Car Computer Sat Nav CIC 9273188
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Part no. A2465402150
Mercedes-Benz A B Class W176 W246 Diesel Fuse Box Relay Unit A2465402150
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Part no. A6461501077
Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461501077 Manual
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Part no. A0999000400
Steering Lock Mercedes W176 W246 Control Unit Module VST A0999000400
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Part no. A1669003722
Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722
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Part no. 6R0919475C
VW Volkswagen Polo 6R PDC Parking Sensor Control Unit Module 6R0919475C
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Part no. A0111549302
Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056
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Part no. 9133177
BMW X3 E83 Z4 E85 DVD Player GPS Navi Head System Computer Unit 9133177
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Part no. 6876227
BMW F32 Tyre Pressure RDC Control Unit Module ECU 6876227
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Part no. 6826790-2
BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6826790
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Part no. 7553735
Mini Cooper R50 R52 DME Petrol Engine Control Unit ECU 7553735 Automatic
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Part no. A9068200886
Radio Head Mercedes Vito W639 Sprinter W906 CD Audio Stereo Unit A9068200886
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Part no. 6907657
BMW E46 GM V Body Control Unit Module Junction Box 6907657
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Part no. A2115452132
Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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Part no. A1698204626
Mercedes-Benz A-Class W169 Front Right Door O/S Control Unit Module A1698204626
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Audi A3 8P Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655A
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Part no. 7P6959542
VW Touareg 7P Steering Wheel Multifunction Control Unit Module 7P6959542
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Part no. 6928936
BMW 3 Series E90 E92 Antenna Amplifier Diversity TV Function 868 MHZ 6928936
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Part no. 7600020-13
Mini One R56 N12 1.4 95HP Engine ECU DME Kit CAS3 + Key 7600020 Manual
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Part no. 8605894
Mini Cooper S R55 R56 LCI Engine Wiring Injection Loom Harness N18 8605894
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Part no. 04L907309A
Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
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Part no. 2T1T-14A280-CG
Ford Transit Connect 1.8 TDCi Battery Positive Cable Clamp Wiring 2T1T14A280CG
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Part no. A2229007009
Mercedes W205 SAM Module Comfort Control Unit ECU A2229007009
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Part no. 8626086
Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Part no. 05L907309-2
Audi A4 B9 2.0 TDI DTNA 163HP Engine Control Unit ECU 05L907309 Automatic
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Part no. 9133144-1
BMW 5 Series E60 Body Gateway Module KGM LOW LEAR 9133144
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Part no. 6914655
BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM III 6914655
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Part no. A0051510601
Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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Part no. 7521137-1
BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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Part no. 8791692
BMW F10 F20 F30 Head Unit Basis Media Navigation Headunit 8791692
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Part no. 9335291
BMW F20 Driver Side Door Cable Harness Wiring 9335291
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Part no. A1695456332
Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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Part no. A2218708826
Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
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Part no. 9267515
Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 ECU 9267515
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Part no. 6929101
BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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Part no. 7799152
Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
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Part no. 13579668
Vauxhall Opel Insignia A 2.0 CDTI Alternator Engine Genarator 13579668
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Part no. 5QA919283E
Audi A3 8V Park Parking Assist PDC Distance Control Unit Module 5QA919283E
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Part no. 8631725-3
BMW F20 F30 F32 120i 320i 420i N20 184HP Engine Unit ECU DME 8631725 Automatic
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Part no. 9354277
BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277
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Part no. DK3T10B728AA
Ford Transit Battery Charge Electrical Machine Control Module Unit DK3T10B728AA
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Part no. 7550469-3
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Part no. A0009015810
Gearbox Control Mercedes W177 W247 Transmission Unit Module ECU A0009015810
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Part no. 9241973
BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9241973
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Part no. A2038701489
Mercedes-Benz C-Class W203 Antenna Amplifier Control Module Unit A2038701489
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Part no. A2219006902
Mercedes Class W221 Rear Fuse Box Control Unit Module SAM A2219006902
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Part no. 9874338-1
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 9399427
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Part no. 8X0907063K
Audi A1 8X Body Control Module Unit ECU 8X0907063K
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Part no. 6881474
BMW F01 F07 F10 F11 Tyre Pressure RDC Control Unit Module 6857938
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Part no. A2059008430
Head Unit Mercedes C205 Radio Player USB Sat Nav Harman A2059008430
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Part no. 1430940-1
BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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Part no. 575035736
Seat Ateca Double USB C Charging Port Socket Connection Module 575035736
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Part no. 9203081-2
BMW 5 Series E60 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Part no. A6394408537
Mercedes W639 Front Bumper PDC Wiring Parking Sensor Loom Harness A6394408537
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Part no. 2K0035279C
Volkswagen Tiguan 5N Sat Navi Stereo Radio Audio Head Unit CD Player 2K0035279C
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BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
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Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506
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Mercedes W203 W204 Petrol Engine Starter Motor A0061510501
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Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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Part no. 6904905
BMW E65 E66 Battery Cable Positive Plus Pole 6904905
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Part no. A4159064900
Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R
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Part no. A0131540602
Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
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Audi A8L 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G
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BMW E60 E61 Body Gateway Module KGM HIGH 9118729
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Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129
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Part no. 9229872-2
BMW E92 LCI Body Control Module ECU Junction Box L1 PL2RR JBBFE IIIR 9229872
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Part no. 8579785
BMW F20 F30 125d 325d N47S1 218HP Engine Control Unit ECU DDE 8579785 Manual
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Part no. 6942637
BMW 5 Series E60 M-Audio System Controller Navigation Head Unit 6942637
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Part no. 9165211
Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
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Part no. 6917549
Mini Cooper R50 R52 R53 Rear Bumper PDC Ultrasonic Sensor Cosmos Black - 303
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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 .