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. 7171587
Mini R60 Xenon Headlight Adaptive Ballast Control Unit 7171587
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Part no. A0009008129-1
PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129
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Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300
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Renault Trafic II Control Unit Body Control Module BCM ECU P8200943317
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Part no. 9380333
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 8SK 9380333
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Volkswagen Touran 1T Parking Control Unit Module Sensor 1K0919283A
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Part no. 2354693-3
BMW 3 5 X3 Series 3 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693
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Radio Head Unit Mercedes C207 W207 COMAND Navi CD Player Navigation A2129009004
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Part no. 9286238
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286238
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Part no. 03L906018JH-1
Audi A5 8T 2.0 TDI CGLC Engine Unit ECU Kit 03L906018JH Key Ignition Lock
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Part no. 8645329-1
BMW F20 F21 F30 F31 LCI B38 B48 Alternator Generator Denso 14V 220A 8645329
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BMW 6 Z4 Series E64 E85 Sensor B-pillar Airbag Right O/S 6942102
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Part no. 6961218-1
BMW 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
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Part no. 3450435
Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435
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Part no. 7N0907530R
VW Volkswagen Golf 6 Seat Altea 5P1 Gateway Control Unit Module ECU 7N0907530R
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Part no. A1661500033
Mercedes-Benz W168 M166 Engine Wiring Harness Loom Cable A1661500033
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Part no. 9285767
BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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Part no. 6989207
BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36
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Part no. 6828076
BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Part no. 8P0919475G
Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G
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Part no. 7807828-1
BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox
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Part no. 6963828
BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Part no. 4G8959760
Audi A6 C7 Front Seat Control Module Unit Right O/S 4G8959760
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Part no. 9322056
Battery Cable BMW X5 F15 Positive Plus Pole Distribution Box Wiring SBK3 9322056
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Part no. A1121535479
Mercedes W203 C240 M112.912 170HP Engine Control Module Unit ECU A1121535479
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Part no. 03G906016HS-1
Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
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Part no. A1665420318
Battery Cable Mercedes W169 W211 Negative Lead Wiring Pole Harness A1665420318
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Part no. A2139006016
Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139006016
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Part no. A6519007401-4
Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401
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Part no. 7558220-1
BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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Part no. 7610011-5
Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7610011 Manual
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Part no. A1645404601
Mercedes ML W164 Control Unit Module Fuse Box SAM A1645404601
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Part no. 9800590280
Citroen C5 Negative Battery Terminal Cable Eatrh Cable Wiring Lead 9800590280
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Part no. A2129005010
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129005010
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Part no. 3450247
BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247
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Part no. 7790879-1
Mini Cooper One D R50 W17 Alternator Generator 130A 7790879
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Part no. 8513184
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Automatic
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Part no. 9287250
BMW X5 E70 LCI Footwell Light Control Module Unit Lear FRM3R XE 9287250
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Part no. 9340997
BMW F21 Door Wiring Front Passenger Door Loom Cables Harness F22 9340997
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Part no. 9261703
Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Part no. 8570845-1
Starter Motor Mini Cooper One F54 F55 F56 F57 F60 B37 B47 Engine 8570845
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Part no. 8E0907307F
Audi A4 B8 Seat Exeo Servotronic Relay Control Unit 9 Pin 8E0907307F
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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. A6519009702
Mercedes W176 W246 200 CDI 651.930 136HP Engine Unit ECU A6519009702 Manual
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Part no. A2229000821
Mercedes C238 Headlight Ballast Control Unit Module A2229000821
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Part no. 9218381-1
BMW F10 F20 F30 Steering Wheel Module Electronics Control Unit 9209427
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Part no. 9675359580
Peugeot 3008 Bluetooth Module Multimedia Control Unit ECU 9675359580
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Part no. A2139006633
Mercedes X253 Central Control Unit Electronic Module A2139006633
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Part no. 9335347-1
Radio Player BMW F20 F21 F30 F31 CD DAB Head Unit Audio Player 9335347
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Part no. 9272002
BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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Part no. A1685403706
Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
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Part no. 9123038
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038
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Part no. A2038200389
Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
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Part no. 1736922
BMW E31 E32 E34 E34 E39 Petrol Engine Starter Motor 1729982
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Part no. 7606628
BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628
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Part no. 03C903023S
Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
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Part no. A6421507733
Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733
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Part no. 03G903016L
Audi A6 C6 FL CAGB Diesel Engine Alternator Generator Bosch 14V 180A 03G903016L
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Part no. 9463373
BMW F20 F21 F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 9463373
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Part no. 9263803-2
BMW E90 Max Brose Footwell Light Module Control Unit FRM3R 9263803
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Part no. 4E0910888PX
Audi Q7 4L Navigation Sat Stereo Radio Audio Head Unit CD Player 4E0910888PX
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Part no. A2129003908
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Part no. A1648220230
Mercedes W164 W212 Alarm Sensor Warning Buzzer Module Unit A1648220230
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Part no. 8506375-1
BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU KIT DDE CAS3 Key 8506375
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Part no. A0009822523
Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523
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Part no. A2059001814
Mercedes W205 Air System Control Unit Module ECU A2059001814
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Part no. 7316215
Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
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Part no. A2139062201-1
Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201
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Part no. 8610635-1
BMW F20 F30 F32 120i 320i 420i N20 184HP ECU Kit DME 8610635 + Key + FEM Manual
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Part no. 6881300
PDC Module BMW F45 F46 I01 Mini F55 F56 Parking Assistant Control Unit 6881300
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Part no. 9663798380
Peugeot 207 Fuse Box BSI Control Unit Module 9663798380
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Part no. 280380655R
Renault Trafic II Control Unit Sat Nav Navigation Module Unit 280380655R
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Part no. 8482313
BMW G30 Engine Wiring Loom Harness Ignition Module 8482313
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Part no. 1388277080
Citroen Relay 35L III Positive Battery Wiring Loom Harness Diesel 1388277080
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Part no. 1C0909605P
Volkswagen Fox 5Z Air Module Control Unit ECU Module 1C0909605K
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Part no. 7550469-1
Alternator Generator BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Petrol 180A 7550469
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Part no. 06L903018H
Audi A4 B9 A5 F5 Alternator Generator Valeo 2.0 TFSI DDWA 06L903018H
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Part no. 8200584675A
Renault Scenic 1.5 DCi Diesel Starter Motor Actuator Valeo 8200584675A
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Part no. 9676811780
Citroen Berlingo Peugeot Partner Battery Terminal Earth Cable Wiring 9676811780
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Part no. 6921980-1
Door Module BMW E65 E66 Door Control Unit ECU TFT Rear Left N/S 6922263
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Part no. A2229006014
Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Part no. A2139009022
SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
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Part no. A6511509000
Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000
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Part no. 06H911021D
Audi A4 B8 Petrol Engine Starter Motor Actuator 1.8 2.0 TFSI 06H911021D
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Part no. 7633959
BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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Part no. A0009063822
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. 9665103980
Peugeot 207 Seat Belt Warning Light Display Screen Dashboard 9665103980
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Part no. 3456857
Mini Cooper R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3456857
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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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Part no. A1569003203
BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Part no. P0148459-PUR
Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Black-eye Purple
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Part no. 4F0919283H
Audi Q7 4L Parking Control Unit ECU Module Sensor PDC 4F0919283H
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Part no. 0001123044
Volkswagen VW Golf VI Passat B6 2.0 TDI Diesel Engine Starter Motor 0001123044
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Part no. 9240352
BMW F10 F30 F31 F32 Side View Camera Front Bumper Video Surround View 9240352
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Part no. A2219013000
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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Part no. 7542725
BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7542725
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Part no. 8T0959760E
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760E
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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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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 .