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. 6935667
BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
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Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
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Mercedes SLK R171 Rain Sensor Front Windscreen Light A1718204026
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Ford Transit Connect Rear Door Wiring Cable Harness Loom FT1T14027LLC
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Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU A6421501500 Automatic
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Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
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Mini R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Automatic
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key
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Seat Wiring BMW X3 F25 X4 F26 Cable Loom Harness Passenger's Side 9316662
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Part no. 8513184-1
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Key CAS4
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Part no. 6C0907361D
Audi A1 8X Fuse Box Control Module Relay Box 6C0907361D
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Seat Module BMW E46 E64 Front Seat Control Unit Memory 7019255
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Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
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Part no. 9665290180
Peugeot 3008 Wiring Loom Harness Cable 9665290180
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Part no. 8509226
BMW F31 Diesel Engine Alternator Generator 220A Valeo N57D30A 8509226
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Part no. 8P0862335D
Audi A4 B7 Bluetooth Module Interface Control Unit Hands Free 8P0862335D
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Part no. 9143156
BMW E90 LCI Amplifier Hifi Speaker System Control Unit Module 9143156 6960925
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Part no. A1665405202
Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202
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Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549
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Citroen Relay Peugeot Boxer Fiat Ducato Fuse Box Control Unit 1367661080
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Part no. 7599883
BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7599883
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Part no. 7599881-14
BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual
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Mercedes R171 SLK 200 M271.944 163HP Engine Module ECU Kit A2711538579 Key Lock
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Part no. 6934610
BMW Z4 Series E85 Roadster Passenger Side Door Cable Harness Wiring 6934610
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Part no. 9343198
BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198
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Part no. 6983304
BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 6983304
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Part no. 09D927750FS
Audi Q7 4L Automatic Transmission Module Controller Unit 09D927750FS
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Part no. 23127JG71B
Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B
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Part no. 6949289
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6949289
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Part no. 6983018
BMW E90 Radio Professional CD Player 6983018 65126983018
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Part no. 6943437-2
BMW X3 E83 Z4 E85 E86 Radio Business CD Player Audio Head Unit 6943437
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Part no. 6953468
BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468
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Part no. A0091547602
Mercedes R170 Alternator Generator M111 Petrol Engine 90A A0091547602
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Part no. A1645408101
SAM Control Module Mercedes W164 W251 Comfort Fuse Box Unit A1645408101
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Part no. 6778966
BMW X5 E70 Air Suspension Supply Control Unit Module ECU 6778966
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Part no. 6923305
BMW E60 Rear Lamp Light Bulb Left N/S Carrier For White Turn Indicator Cover
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Part no. 9110882
Switch Cluster BMW E82 E88 E90 LCi Cruise Control Stalk Unit 9110882
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Part no. 9675877980
Peugeot 3008 Body Control Comfort Unit Module BSI Fuse Box 9675877980
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Part no. E87 Wiring Loom Set PDC rear-1
BMW 1 Series E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Part no. 9197002
BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002
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Part no. A1718207026
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207026
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Part no. 9267201
BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Part no. A6429002900
Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900
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Part no. 8T0971365Q
Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365Q
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Part no. A2465403505
Door Wiring Mercedes W176 W246 Front Passenger Side Cable Harness A2465403505
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Part no. 079911021G
Audi RS4 B8 Starter Motor Petrol Engine Electrical Unit Actuator 079911021G
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Part no. A2215407045
Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Part no. A2129000306
Mercedes W212 Fuel Pump Module Control Unit A2129000306
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Part no. 7808073-1
BMW E90 E91 E92 E93 LCI Diesel N57 Alternator Remy 150A 7808073 DRA0429
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Part no. 9393660
BMW F10 Central Gateway Module Control Unit Lear ZGW-02 4SK 9393660
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Part no. A1679001320
Ignition Module Mercedes V177 Electronic Ignition Switch Keyless Control Unit
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Part no. 8671505-1
BMW F97 F98 G01 G02 G20 G30 Engine Starter Motor 8671505
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Part no. 9308294
BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
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Part no. A1725400950
Mercedes SLK R172 Relay Fuse Box Control Unit A1725400950
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Part no. 9322056-1
Battery Cable BMW X5 F15 X6 F16 Positive Plus Pole Distribution Wiring 9322056
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Part no. 8574352-2
BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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Part no. 8V5115K600EG
Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
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Part no. A9100005999
Mercedes Sprinter W910 Cable Wiring Loom Harnesses A9100005999
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Part no. 9177754
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9177754
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Part no. A2059004236
Mercedes W205 Harman Radio Stereo CD Player Audio Sat Head Unit A2059004236
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Part no. 6976466
BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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Part no. 7700353184
Bumper Reflector Renault Trafic III Vauxhall Vivaro B Rear Light 7700353184
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Part no. 9691854880
Peugeot Boxer Citroen Relay 4H03 TMF 130HP Engine Control Module ECU 9691854880
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Part no. 8E0907279J
Audi A4 B7 Body Comfort Control Body Power Supply Module Unit BCM ECU 8E0907279J
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Part no. 3C0953549J
VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549J
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Part no. 8512498-8
BMW X1 E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 Key Manual
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Part no. 7561834-20
BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Automatic
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Part no. A6079002000-1
Mercedes W176 A180 CDI 607.951 109HP Engine ECU Kit A6079002000 Key Lock Manual
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Part no. 7587164-2
BMW E82 E88 Cabrio 125i N52N 218HP ECU Kit DME 7587164 CAS3 Key Manual
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Part no. A2139052109
MercedesW213 Rear Tailgate Boot Control Module Unit A2139052109
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Part no. 1429861
BMW E38 728i M52 193HP Engine Control Unit ECU Module DME 1429861 Automatic
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Part no. 06E903016N
Audi A4 B8 3.2 FSI Alternator Generator 06E903016N
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Part no. 6801252
Mini Cooper R50 R53 Control Unit Module RPA Tire Puncture Warning 6801252
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Part no. A9065454301
Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301
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Part no. 9146651-1
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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Part no. 7585950
Mini Cooper S R55 R56 Ignition Wiring Harness Injection Valve N14 7585950
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Part no. 1K0937125D
Audi A3 8P Engine Bay Fuse Box 1K0937125D
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Part no. 06B903016AB
Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB
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Part no. 9364819-3
BMW E90 Body Control Module M Junction Box PL2RR JBBFE IIIR ECU 9364819
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Part no. 8582521-1
BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU DDE 8582521 FEM Lock Key
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Part no. 8515900-1
Engine Starter Motor BMW X5 E70 LCI F01 N57 Diesel Starter Actuator 8515900
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Mercedes W211 PDC Parking Sensor Module Control Unit A2115457332
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Footwell Module BMW E88 Light ECU PL2 FRM3R Lear 9263795
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BMW 1 3 Series E81 E87 E90 Hands-free Electronics Charging Module MULF 6972678
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BMW X5 E53 Westfalia Towing Hitch Module Uni CAN Control Unit 506737
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Part no. 8W0035454
Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454
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Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N
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Part no. A0131541002
Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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BMW X2 F39 F40 F44 F45 F46 F52 Air Quality AUC Sensor 9872066
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Part no. A1775407932-1
Mercedes W177 W247 Positive Battery Cable Lead Wire Starter A1775407932
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Part no. 8386207
BMW E39 Headlight Control Module LCM III LWR 8386207
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Part no. 8582280-9
BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Part no. 077911023-1
Volkswagen Touareg 7L Engine Starter Motor 077911023
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Part no. 8N8962267E
Audi TT 8N Body Comfort Convenience Module Unit CCM ECU 8N8962267E
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Part no. 9252333
BMW F11 ECU Body Control Module Junction Box 9252333
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Part no. A2139062201
Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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Part no. 8734748
Telematics Control Unit BMW F20 F31 LCI F32 Module ATM ECE 4G WLAN 8734748
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Part no. 7812500-3
BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7812500 + CAS3 + Key
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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 .