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. 6921414
BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
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Part no. 9189850
BMW Z4 Series E89 Convertible Positive Battery Cable Wiring Lead 9189850
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Part no. 6824109
BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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Part no. 9115360
BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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Part no. 7849446
BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446
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Part no. 7641661-2
BMW F10 F20 F30 Petrol N20 Wiring Harness Motor Sensor System 2 Module
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Part no. 9248298
BMW E88 E93 LCI ECU Control Unit Air Module 9248298
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Part no. 6912755
BMW X5 E46 E53 Side Air Module Control Unit ECU 6912755 6962530
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Part no. 2354701-1
BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Part no. 8583091
BMW X5 E70 G11 Integrated Supply Module Ecu Control Unit 8583091
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Part no. 6965279
BMW E82 E88 E90 Switch Cluster Cruise Control Stalk Unit 6965279
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Part no. 6975015-1
BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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Part no. 8586536-7
BMW F07 GT F10 F11 535d F13 640d LCI N57Z 313HP Engine ECU DDE 8586536 Automatic
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Part no. 9204532-1
Light Module BMW E90 LCI ECU LED NSW Control Unit PL2 FRM II 9204532
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Part no. 8364540-1
BMW 3 X3 Series E46 E83 1 Fuse Distribution Box 8364540
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Part no. 9176877-1
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Part no. 6928935
BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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Part no. 9134734
BMW E93 Convertible Rollover Control Controller Module Unit 9134734
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Part no. 8714478
BMW F40 Door Wiring Cable Harness Loom Rear Left Right N/O/S 8714478
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Part no. 9389658
BMW F20 F21 F22 Telematics Bluetooth Control Module Unit TCB ECE GPS 9389658
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Part no. 9177199
BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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Part no. 9313933-2
BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
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Part no. 9177985-1
BMW E93 Cabrio ECU Body Control Module H3 Junction Box 9177985
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Part no. 9321005
Battery Cable BMW X3 F25 X4 F26 Positive Plus Pole Lead 9321005
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Part no. 7230669
Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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Part no. 6962888
Air Module Sensor BMW Z4 E64 E85 B Pillar Right O/S 6962888
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Part no. 7789980
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 3404171
BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171
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Part no. 9127086
BMW E39 E46 E53 E83 Control Unit EWS IV 9127086
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Part no. 8255704
BMW X3 X5 E53 E63 E83 Front Seat Belt Tensioner Buckle Connector Cable 8255704
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Part no. 9199439
BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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Part no. 9258278
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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Part no. 9247159
BMW F01 F02 LCI F07 GT Control Unit Module Voltage Transformer VSU400 9247159
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Part no. 6977679
BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679
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Part no. 7550468-3
BMW E81 E87 LCI E90 E91 Petrol N43 Alternator Generator 170A Denso 7550468
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Part no. 6933950
BMW Z4 Series E85 Roadster Driver's Side Door Wiring Loom Cable 6933950
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Part no. 6873418
BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418
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Part no. 9247474-1
BMW E93 LCI ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9247474
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Part no. 6907314
BMW 7 Series E65 Dynamic Drive Pump Wiring Loom Harness ARS Valve Block 6907314
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Part no. 6836883
PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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Part no. 6971219
BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 61126971219 6971219
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Part no. 9249080-1
BMW E87 LCI Footwell Light Control Unit Module ECU Lear FRM3R PL2 9249080
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Part no. 9181881
BMW X3 E83 Telematics Bluetooth Control Unit Module 9181881
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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. 6904905-2
BMW E65 E66 Battery Cable Positive Plus Pole 6904905
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Part no. 1247281
BMW E34 E36 E46 316i 318i 518i Ignition Coil Control Unit Module 1247281
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Part no. 9137725-1
BMW E63 E64 LCI Camera Lane Departure Warning Unit 9137725
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Part no. 6944962
BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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Part no. 7352601
BMW X1 Series F48 Head Air Module Roof Curtain Left N/S 7352601
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Part no. 9298958
Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958
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Part no. 9224617
BMW X5 E70 Footwell ECU Light Control Unit Module FRM IIIR Lear 9224617
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Part no. 8736162
Head Unit BMW F20 F21 F22 F30 F31 F82 LCI Sat Nav Radio Media Navigation 8736162
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Part no. 6925903
BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
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Part no. 8578609
BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
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Part no. 9159794
BMW 3 Series E93 Cabrio Airbag Control Unit Module ECU 9159794 65779159794
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Part no. E88 Wiring Loom Set PDC Rear
BMW E88 Cabrio Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Part no. 9895416
BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME Manual Control Unit 9895416
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Part no. 6846905
BMW 1 2 Series F20 F21 F23 LCI Top Hifi Audio Amplifier Harman Kardon 9307293
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Part no. 6981050
BMW X6 E71 Rear Trunk Battery Cover Tray Storage Box 6981050
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Part no. 9269983
BMW F06 Electric Wiring Cable Loom Harness 9269983
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Part no. 3453791
BMW X3 E83 LCI Crash System Control Unit Module ECU 3453791
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Part no. 7555178
Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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Part no. 9176069
BMW E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069
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Part no. 8577839
BMW X3 F25 30dX Diesel N57N 258HP Engine Module ECU DDE 8577839 Automatic
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Part no. 9875930
BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
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Part no. 9371131
Seat Control Unit BMW F30 F36 Front Seat Module Unit Controller ECU 9371131
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Part no. 6910597
BMW E46 Positive Battery Cable Plus Pole Lead 6910597
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Part no. 9296494-1
BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
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Part no. 9195223
BMW 7 Series E65 E66 DVD Navigation System Computer Unit EXCH 9122860
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Part no. 9147195
BMW E60 E81 E87 E90 E91 CAS 3 Control Unit ECU Key Reading Module CAS3 9147195
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Part no. 6927264
BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
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Part no. 6943834-1
BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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Part no. 6998485
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Module Control Unit ECU 6998485
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Part no. 1393415-1
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. 6939660
BMW E46 Radio Business CD Player 65126939660 6939660
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Part no. 7843329
Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 1-4 7843329
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Part no. 3451528
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
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Part no. 9221135
BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09221135 9221135
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Part no. 9160101
BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Part no. 9222855-1
BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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Part no. 8515491
BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
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Part no. 6948983
BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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Part no. 6974020
BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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Part no. 6762235
BMW X3 X5 E53 E60 E61 E65 E83 Power Steering Speed Sensor 6762235
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Part no. 8516253
Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253
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Part no. 6980177-3
BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177
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Part no. 6983843-1
BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 6983843
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Part no. 6913388
Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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Part no. 6956939
BMW E60 E61 E63 E64 6-disc Compact CD Changer with Magazine 6956939
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Part no. 9210151-2
Bass Speaker BMW F30 F31 F32 Central Subwoofer Harman Kardon Left N/S 9210151
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Part no. 9237082
BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082
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Part no. 9145349
BMW 3 5 X3 X5 Series E39 E46 E53 E83 Control Unit Control Unit EWS IV 9145349
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Part no. 9263468
BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
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Part no. 9331207
BMW F20 CD DAB Radio Bluetooth Head Unit 9331207
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Part no. 6821164
BMW F25 F26 Head Unit Basis Media Navigation System Controller DAB 6821164
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Part no. 8621490
Alternator Cable BMW F21 F22 F30 LCI 125i 220i 228i 320i N20 Starter 8621490
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Part no. 9229885-1
BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Part no. 9145097
BMW 3 5 7 X3 X5 Z4 Series E38 E39 E46 E53 E85 E83 Control Unit EWS III
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Part no. 9249083
BMW E91 LCI Footwell Light Control Module LCM LED Basis 9249083
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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 .