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. 8374798
BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Part no. 8578115-1
BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key CAS4 Automatic
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Part no. 8514735-2
BMW F20 F21 116d ed N47N 116HP Engine ECU Kit DDE 8514735 Key FEM Lock Manual
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Part no. 8507360
Automatic Gearbox Wiring BMW F10 F11 530d N57 Engine Loom Harness Cables 8513823
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Part no. 7556886
Engine Wiring BMW Z4 E85 E86 N52 Cable Loom Harness 7556886
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Part no. 5A45F57
BMW F40 F44 M135i M235i xDrive B48 306HP Engine Module ECU DME 5A45F57 Automatic
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Part no. 8509224
Alternator BMW F30 F32 N57N 330d 430d Diesel Engine Generator 230A Valeo 8509224
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Part no. 8579479-6
BMW F20 F21 F30 F31 116HP N47N Engine Control Unit ECU Kit DDE 8579479 Manual
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Part no. 7388490-1
BMW F31 Touring Body Control Unit Module HKFM 7388490 0066245503 F005V01610
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Part no. 8519668
BMW E90 E91 LCI 320d N47N 184HP Engine Control Unit ECU DDE 8519668 Manual
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Part no. 7593666-1
BMW E81 E87 LCI E90 E91 118i 318i N43 ECU Kit DME 7593666 + CAS3 + Key Manual
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Part no. 8657232
Engine Wiring BMW F87 M2 N55 Petrol Loom Module Harness Cable 8657232
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Part no. 9313996
BMW F10 LCI Central Looking Control Module Unit ECU 9313996
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Part no. 8377601
BMW E38 Door Windows Control Unit Module ECU ZB PMBT LOW 8377601
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Part no. 6971370-1
BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Part no. 6912824
BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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Part no. 8596362-9
BMW F20 F30 LCI 116d B37 116HP Engine Control Module ECU DDE 8596362 Manual
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Part no. 6932428-1
BMW X3 Z4 Series E83 E85 E86 1 Radio Business CD Player 6932428
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Part no. 7002532
BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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Part no. 8634166
Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Part no. 7552815-1
Alternator BMW Z4 E89 23i 30i N52N Alternator Denso 170A 14V 7552815
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Part no. 8510832-3
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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Part no. E93-RADIO
BMW E93 Head Unit Radio Player Navigation Control Module 5A2BF31
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Part no. 6925966-2
BMW X3 E83 LCi Rear Door Window Lifter Right O/S 6925966
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Part no. 8573789
BMW F30 F31 330d F10 F11 LCI 530d N57N 258HP Engine Control ECU DDE 8573789
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Part no. 9878660
BMW F40 F44 Battery Terminal Negative Minus Cable Wiring IBS 9878660
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Part no. 8740343-2
BMW F20 F30 F32 LCI 120i 320i 420i Petrol B48 184HP ECU Kit DME 8740343 FEM
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Part no. 9146329-1
BMW X5 E60 E61 E65 E70 Front Left N/S Seat Angle Adjustment Drive 9146329
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Part no. 8607569
BMW X5 F15 40eX N20 Hybrid Starter Motor Automatic Transmission 8607569
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Part no. 8617569-2
BMW X1 E84 20i N20 184HP Engine Unit ECU Kit DME 8617569 CAS3 + Key Automatic
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Part no. 8589145-17
BMW F20 F21 F30 LCI 118d 318d B47 Engine Control Unit ECU DDE 8589145 Automatic
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Part no. 5A402E6
BMW F45 F46 F48 ECU Body Domain Controller BDC Control Unit Module 5A402E6
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Part no. 6876863
BMW F40 F45 Mini F55 F56 Front Suspension Strut Protective Cap Cable VDC 6876863
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Part no. 6963023
BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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Part no. 7599382
BMW F20 LCI F22 F30 F31 F34 F36 N55 Engine Gearbox Wiring Harness Loom 7599382
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Part no. 7649131
BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
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Part no. 6941677
BMW 7 Series E65 E66 Audio System Controller MD MiniDisc 6941677
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Part no. 7576721-1
BMW E90 E93 325i N53 Engine Control Unit Module DME 7576721 CAS3 Key Automatic
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Part no. 8517862-8
BMW F10 F11 520d ed N47N 184HP Engine ECU Kit DDE 8517862 Key CAS4 Manual
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Part no. 1432521
BMW E36 316i Engine Petrol M43 102HP ECU Kit DME 1432521 Automatic Gearbox
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Part no. 7509942
BMW E46 330i M54 231HP Engine Control Unit Module ECU DME 7509942 Manual
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Part no. rhd-3448327-2
BMW X3 Series 2 E83 LCI Instrument Cluster Speedo Clocks Diesel Manual 3448327
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Part no. 8580389
BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Diesel Engine Starter Motor 8580389
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Part no. 8509225
Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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Part no. 7835892
BMW 5 6 Series E60 E61N M5 E63 M6 Cable Starter Base B+ Engine Battery 7835892
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Part no. 7605478-1
BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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Part no. 8573257-9
BMW F20 F30 F32 120d 320d 420d Diesel N47N 163HP Engine ECU DDE 8573257 Manual
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Part no. 6941427
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6941427
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Part no. 1423079
BMW 3 E36 316i M43 Engine Automatic Gearbox Control Unit EGS 1423079 1423000
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Part no. 9459673
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 7943747
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Part no. 8639595-13
BMW F10 LCI F20 F22 F30 F31 N20 Engine Control Unit ECU DME 8639595 Automatic
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Part no. 8631634
BMW X5 F15 Earth Ground Cable Negative Battery Lead Wiring 8631634
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Part no. 7621178-6
BMW E81 E87 LCI E90 N43 116i 316i 122HP ECU Kit DME 7621178 CAS3 Key Automatic
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Part no. 8366381
BMW 3 5 E34 E36 Windscreen Wiper Wash Wi-Wa Control Unit Module ECU 8366381
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Part no. 8586141
BMW F20 F21 F30 116d 120d 316d 320d N47N Wiring Harness Engine Module 8586141
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Part no. 8610680-1
BMW F10 F11 550i F12 F13 650i N63 408HP ECU Kit DDE 8610680 Key CAS4 Automatic
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Part no. 8573260-3
ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual
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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. 7233914
BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914
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Part no. 7555176
BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555176
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Part no. 9160101-1
BMW E93 Convertible Cabrio Battery Cable Plus Positive Pole Wiring 9160101
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Part no. 8573260-11
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual
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Part no. 8625241-4
BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic
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Part no. 7797661-3
BMW X3 X5 E53 E83 M57N2 Alternator Generator Diesel Power 150A 7797661
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Part no. 1307329060
BMW X5 E53 Bosch Xenon Headlight Level Control Ballast Module 1307329060
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Part no. 3419515
BMW E83 LCI Valvetronic Starter Cable Wire Loom 3419515
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Part no. 8580053
Starter Cable BMW G30 G31 G32 Alternator Wiring Starter-Base B+ 8595355
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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. 8621840-1
BMW F20 F21 F30 F31 LCI B58 Petrol Starter Motor Engine 8621840
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Part no. 8482313
BMW G30 Engine Wiring Loom Harness Ignition Module 8482313
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Part no. 9494391
BMW F20 F21 F22 F30 F44 F45 F46 Fuel Pump ECU Module Control Unit 9494391
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Part no. 6924560
Xenon Light Module BMW E60 E61 E63 E66 Headlight Control Module Unit ECU 6924560
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Part no. 8367094
BMW E65 Fuse Box Relay Unit Control Module Connector Box 8367094
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Part no. 8582280-5
Engine Control Unit BMW F20 F30 F31 118d 318d N47N 143HP ECU DDE 8582280 Manual
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Part no. 8643741-1
BMW Z4 E89 20i N20 184HP ECU Engine Unit Kit DME 8643741 CAS3 + Key Automatic
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Part no. 9273630
BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630
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Part no. 7833284-1
BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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Part no. 3414473
BMW X3 E83 Transmission DXC Transfer Box Wiring Cable Loom Harness 3414473
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Part no. 6808605
BMW F45 Mini F60 Air Con Pipe Pressure Hose Tube Compressor Evaporator 6808605
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Part no. 6946110
Air Sensor Module BMW E65 E66 E67 A-Pillar Control Unit Right O/S 6946110
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Part no. 7253188
BMW E92 Sport Seat Left Right Thigh Support Heated Cover Trim Leather Dakota
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Part no. 9240351-2
BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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Part no. 7810000-3
BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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Part no. 8804459
BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 8804459
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Part no. 7853357
Engine Wiring BMW F87 M2 N55 Petrol Loom Module 1 Harness Cable 7853357
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Part no. 8671504-1
Starter BMW G20 G21 G30 G32GT G01 G05 Starter Motor Valeo 8671504
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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. 6801294
BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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Part no. 6918782
BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6913164
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Part no. 9267467
BMW F13 Body Control Module Electronic Junction Box JBBFE 3 PL6 V3 9267467
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Part no. 1387590
BMW 3 Series E36 Electrical Fuse Empty Relay Box Compartment 1387590
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Part no. 8586544
BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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Part no. 9185524-1
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9185524
Product currently unavailable

Part no. 1422768
Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
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Part no. 8387568-1
BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568
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Part no. 9170453-1
BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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Part no. 7527072-3
BMW Z4 E85 2.5i Engine M54 192HP ECU Kit DME 7527072 + EWS3 + Key Automatic
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Part no. 1387613
BMW 3 Series E36 Electrical Fuse Relay Box Cover Panel Trim 1387613
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Part no. 6968650
BMW 3 Series E93 E93N LCI Aerial Antenna Amplifier FM/AM Right O/S 6968650
Product currently unavailable
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 .