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. 9811224
Mini Cooper One R55 R56 R57 Airbag ECU Control Unit Module 9811224
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Part no. 6938943
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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Part no. 6851284
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284
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Part no. A6461506378
Mercedes W906 OM646.985 109HP Engine Unit Module ECU Kit Key A6461506378
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Part no. A2049012604
Mercedes W204 Parking Control Unit Module ECU A2049012604
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Parking Control Module Unit PDC
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Part no. 8494840
BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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Part no. 7335274
BMW X5 E70 X6 E71 Module Control Unit Trunk LidRear Tailgate Lift 7317419
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Part no. 9248179
BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179
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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. 6920182
BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Part no. AT1112A650BD
Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
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Part no. 6975013
BMW E90 Radio CD Player Professional 6975013
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Part no. 9287535
CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535
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Part no. 7801200
BMW E60 X3 E83 E87 E90 Unit Glow Plug Module Diesel M47N2 7786821
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Part no. 9454320
Adblue Module BMW F40 SCR Control Unit ECU 9454320
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Part no. 6938975-1
CD Changer BMW E60 E61 E63 E64 Compact 6-disc Magazine 6938975
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Part no. 1138730-1
On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 1138730
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Part no. A6429002700
Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700
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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. 2622589
Telematics Module BMW G11 G20 G30 Bluetooth Telephone Control Unit 2622589
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Part no. 9399427-1
Radio Head Unit BMW F20 F21 F22 F30 F31 Basic Media Navigation Headunit 9399427
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Part no. 7603567-1
Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Part no. 9195246
Electronics Charging BMW E81 E87 E90 E91 Hands Free MULF2 9195246
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Part no. 7620624
Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
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Part no. 6936649-1
BMW E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936649
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Part no. 9270646
BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270646
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Part no. 3451927-1
Mini Cooper One R55 High SPEG DC/DC H3 Fuse Distribution Box 3451927
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Part no. 03L903023A
Audi A3 8P Alternator Generator Diesel Engine Electrical Unit 03L903023A
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Part no. A1718206526
Mercedes SLK R171 Air Module System Control Unit ECU A1718206526
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Part no. 8518269-8
BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic
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Part no. 9160557
BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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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. 9116445
BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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Part no. 8631668-Aquamist
BMW F20 F21 LCI M140i B58 Engine Wiring Cable Aquamist Water Methanol 8631668
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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. A6399003300
Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
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Part no. 9249081
BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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Part no. 9233010
BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Part no. A6519000700
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
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Part no. 9138444
BMW E87 E90 E91 Professional CCC Navigation System Controller
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Part no. 8379627
BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627
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Part no. 5Q1919275C-MYB
Audi Q7 4M Front PDC Parking Distance Sensor Mythical Black Metallic - Y9T
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Part no. 8519663-24
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Engine ECU DDE 8519663 Automatic
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Part no. 9205278-1
CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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Part no. 8K0959663F
Audi A6 C7 Voltage Converter Stabilizer Control Module Unit ECU 8K0959663F
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Part no. 8379626
BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626
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Part no. 9145439
BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439
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Part no. 7589971
Mini Cooper R55 R56 Petrol N12 120HP Engine Control Unit ECU DME 7589971 Manual
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Part no. 9226325-1
BMW E92 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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Part no. 7836163
BMW E60 E61 LCI M5 E63 M6 Generator Oil Pump Cable Harness Wiring
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Part no. 3450192
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3450192
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Part no. 5E0941645
Skoda Octavia Mk3 5E LED Headlight Headlamp Module Control Unit 5E0941645
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Part no. 9313656-1
BMW 3 Series F30 F80 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9260012
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Part no. A6395450301-1
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. 7823344
BMW F20 F21 F30 F31 F32 F33 Alternator Generator 150A N47N Diesel 8519890
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Part no. 7600562
BMW Mini Cooper S R55 R56 Automatic Gearbox ECU Control Unit EGS Module 7600562
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Part no. 6961364
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961364
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Part no. 3455263
Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3455263
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Part no. A2218707493
Mercedes W221 Seat Control Module Front Right O/S A2218707493
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Part no. A0025426618
Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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Part no. A2048707658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
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Part no. 9241002
BMW E87 LCI Light Module BASIS LCM Footwell Module PL2 FRM II 9241002
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Part no. 5Q0915181G
Volkswagen VW Golf Mk7 Negative Battery Terminal Cable Wiring 5Q0915181G
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Part no. A2034621130
Mercedes W203 Steering Column Lock Control Unit Module A2034621130
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Part no. 9250454
BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
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Part no. 4G0035223C
Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
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Part no. 6836764
BMW F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 6836764
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Part no. A6395450003
Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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Part no. 8626472
BMW F20 F21 M135i N55 231HP Petrol Engine Control Unit ECU DME 8626472 Manual
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Part no. 4H0907357A
Audi A7 4G8 Headlight Head Light Lamp Range Control Unit Module ECU 4H0907357A
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Part no. 9177773
BMW F01 F07 F10 F11 Battery Power B+ Distribution Box Rear 9177773
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Part no. 8603352
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Manual
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Part no. A2129005812
Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812
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Part no. 9145102
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC 9145102
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Part no. 4E0035729
Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729
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Part no. A1669005605
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605
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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. 8K0907063D
Audi A4 B8 A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063D
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Part no. A2218707393
Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
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Part no. 3457587
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Part no. 9197159
BMW E81 NSW ECU Light Module Footwell Module PL2 FRM II 6135 9197159
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Part no. A2059008917
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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Part no. A2229000821
Mercedes C238 Headlight Ballast Control Unit Module A2229000821
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Part no. 6928366
PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366
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Part no. 9230451-1
BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Part no. 4KE035282H
Audi A4 B9 Communication Telematics Control Module Unit ECU 4KE035282H
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Part no. 7646814
BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814
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Part no. 8587952-8
BMW F20 F21 LCI F30 150HP 118d 318d B47 Engine Unit ECU DDE Set 8587952 Manual
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Part no. 3457428-2
BMW Mini Cooper R56 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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Part no. 9335347
BMW F20 F21 F30 F31 Radio Player CD DAB Head Unit Audio Player 9335347
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Part no. 9257162
GPS Module BMW E81 E87 E90 E91 LCI Combox Telematics Control Unit 9257162
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Part no. 9118749
BMW Z4 E85 E86 Air Module ECU Control Unit Module 9118749
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Part no. 9293305
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
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Part no. 9813622
Mini Cooper Countryman R60 Fuse Distribution Box SPEG High 9813622
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Part no. BK3112A650BB
Ford Transit MK8 2.2 TDCI Diesel Engine Control Unit Module ECU BK31-12A650-BB
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Part no. E90 Wiring Loom Set PDC Rear-3
BMW 3 Series 3 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Part no. 8512292-1
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual
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Part no. 8P0907279N
Audi A3 8P BCM Body Control Module Unit ECU 8P0907279N
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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 .