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. DRIVETEC-AGM-92AH
DriveTec AGM Start-Stop 12V Accumulator Battery 92Ah 850A DA019
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Part no. KT1T18D815DD
Ford Transit Connect Mk2 II Radio Player Stereo Head Unit KT1T18D815DD
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Part no. 8508169-1
BMW F01 F02 730Ld N57 245HP Engine Control ECU DDE Kit 8508169 Automatic
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Part no. 9352861-1
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9352861
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Part no. 9219987
Wiring Loom BMW F01 F07 F10 F11 Cable Seat Driver's Side Set 9219987
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Part no. A6519007902-1
Mercedes W906 313CDi OM651.955 129HP Engine Unit ECU Kit A6519007902 Key Lock
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Part no. 7599881-20
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Part no. 1K0906093D
Volkswagen Golf Mk5 Fuel Pump Control Relay Module Unit ECU 12V 1K0906093D
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Part no. 9313656
BMW 3 Series F30 F80 M3 Boot Trunk Lid Tailgate Wiring Loom Harness Cable
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Part no. 6943584
BMW 3 Series E46 Module Radar Burglar Alarm Rear 6943584
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Part no. A2128700194
Mercedes W204 W212 C218 Sound Audio Amplifier Harman Becker A2128700194
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Part no. 7L6035177E
Volkswagen Touareg 7L Display Screen Multimedia Navigation Unit 7L6035177E
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Part no. 9360501-1
BMW 2 X1 F45 F48 Mini F55 F56 Rear Electric Power Distribution Fuse Box 9360501
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Part no. A6079002200-4
Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU Kit A6079002200 Lock + Key
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Part no. 7457871-1
BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457871
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Part no. 9240533-2
BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 Lear 9240533
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Part no. A2535404501
Mercedes X253 OM651 Diesel Fuse Relay Box HV Battery Distribution A2535404501
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Part no. 8577834-2
BMW F45 F46 220d X1 F48 20d B47 190HP Engine Unit ECU DDE 8577834 Automatic
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Part no. 9344050
Radio Player Mini F55 F56 CD Bluetooth DAB Alpine Control Unit Module 9344050
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Part no. 7833284
BMW E46 M3 S54 343HP Engine Control Unit Module ECU DME 7833284 SMG
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Part no. 5J0919475A
Skoda Octavia II 1Z Control Unit PDC Parking Sensor Module 5J0919475A
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Part no. 7594483
BMW Z4 Series E89 30i N52N 258HP N52B30A ECU Kit DME CAS3 Key 7594483 Automatic
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Part no. 8635627-1
Mini Cooper S F55 F56 B48 192HP Petrol Engine ECU Kit DME 8635627 + BDC + Key
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Part no. 9359011
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9359011
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Part no. 8C1T18C815AE
Ford Transit Mk7 Radio CD Player 6000CD Head Unit Autoradio 8C1T18C815AE
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Part no. 8510221-10
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Part no. A2118705426
Rain Sensor Mercedes W211 C219 Front Windscreen Control Unit A2118705426
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Part no. 7582309-2
BMW Mini Cooper One 2 R55 R56 R57 R58 R59 R60 R61 Engine Starter Motor
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Part no. A2709002100-10
Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic
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Part no. A2721531679-1
Mercedes W211 S211 E350 M272.964 272HP Engine ECU Kit Key Lock A2721531679
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Part no. 7541073
Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7541073 Automatic
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Part no. 7544721-1
Gearbox Module BMW X3 E83 Automatic Transmission Basic Control Unit EGS 7544721
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Part no. 6948054
BMW Z4 E85 Front Door Wiring Loom Cable Harness Left N/S 6948054
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Part no. 8X0035188F
Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035188F
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Part no. A6461502072
Mercedes-Benz W204 C220CDI Diesel Engine Control Unit Module ECU A6461502072
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Part no. A4475404326
Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Part no. 55566420
ECU Saab 9-3 1.9 Tid Z19DTH Diesel Engine Control Module Unit Automatic 55566420
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Part no. 7640004-3
Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 Key Manual
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Part no. 04E907309A-1
Audi A3 8V 1.4 TFSI CMBA 122HP Engine Control Unit ECU Kit 04E907309A Manual
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Part no. A6229000400
Mercedes W447 Fan Control Relay Control Module Unit A6229000400
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Part no. 237106319R-1
Mercedes W415 109 CDI OM607.951 90HP Engine Unit Module ECU 237106319R Manual
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Part no. 8631672-Aquamist
BMW F20 F21 LCI M140i B58 Gearbox Wiring Cable Aquamist Water Methanol 8631672
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Part no. 99661860500-1
Porsche Boxster 986 2.7 9622 220HP Engine Control ECU Kit 99661860500 Manual
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Part no. 7792938
Land Rover Freelander L314 M47 2.0 Diesel Engine Unit ECU Automatic 7792938
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Part no. A0005454616
Mercedes W204 Automatic Gearbox Transmission EGS Module Unit ECU A0005454616
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Part no. 9266903
BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 9266903
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Part no. A2075405405
Mercedes-Benz E-Class W207 Front Door Wiring Cable Harness A2075405405
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Part no. 6843893
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Electronic Unit FEM 6843893
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Part no. 8XA035192A-1
Audi A1 8X Sat Navi Stereo Radio Audio MMI CD Player Head Unit 8XA035192A
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Part no. 8631727-2
Bmw X1 E84 20iX N20 184HP Engine Unit ECU Kit DME 8631727 CAS3 + Key Manual
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Part no. 8U0971067
Audi Q3 8U Radiator Fan Adapter Cable Harness Loom Wiring 8U0971067
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Part no. 7794952-1
BMW 5 Series E60 M57 1 Engine Starter Motor 7794952 0001115041
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Part no. A2045402510
Mercedes-Benz C-Class W204 Front Left Door Wiring Loom Cable Harness A2045402510
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Part no. 5Q0959392E
Audi A3 8V Front Door Module Unit ECU Left N/S Passenger Side 5Q0959392E
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Part no. 5A34C94
BMW X1 F48 Catalytic Reduction System Module Unit 13264014
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Part no. 7567178-15
BMW E87 E60 E90 330i 530i N52 258HP Engine Control ECU Kit DME 7567178 Automatic
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Part no. A2229004619
Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
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Part no. 1616331
DAF 85CF Air Reservoir Tank Pneumatic Suspension System Tank Pump 1616331
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Part no. 9147220-1
Control Unit BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module CAS3 9147220
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Part no. 9869883
BMW F15 F16 F45 F46 Body Control Module Domain Controller Unit BDC 9869883
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Part no. 4F0910223H
Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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Part no. A6421500972
Mercedes W639 OM642.990 120 CDI 204HP Engine Unit Module ECU A6421500972
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Part no. 7557395-19
MINI Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Keys Automatic
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Part no. 8X0915459
Audi A1 8X Positive Battery Overload Protection 8X0915459
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Part no. GXAE-26602
Guidosimplex GXAE-26602 Vehicle Mobility Control Unit Module ECU
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Part no. A0355400145
Mercedes ML W164 C209 W211 C219 AMG Fuel Pump Control Module A0355400145
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Part no. A2048704590
Mercedes-Benz C-Class W204 CD Media Player Radio Audio 20 Phone A2048704590
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Part no. 8512498-4
BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
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Part no. 9147138
BMW X3 E83 Navigation System Video Module Control Unit High 9147138
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Part no. RHD-8516710
BMW F10 F11 F06 N57 Engine Wiring Automatic Gearbox Harness Loom Cable 8516710
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Part no. A6079000700
Mercedes W176 A180 CDI OM607.951 Engine Control Unit Module ECU A6079000700
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Part no. A2048700196-4
Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700196
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Part no. A2129060805
Mercedes W212 S212 Estate Rear SAM Control Unit Module A2129060805
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Part no. A2709002100-13
Mercedes W176 A160 270.910 102HP Engine ECU Kit Key Lock A2709002100 Manual
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Part no. A2711538579-1
Mercedes R171 SLK 200 M271.944 163HP Engine Module ECU Kit A2711538579 Key Lock
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Part no. A0009051003
Rear View Camera Mercedes ML W166 W207 W218 Reversing Control Unit A0009051003
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Part no. RHD-8W8919605-1
Audi A4 S4 B9 Display Screen Dashboard Multifunction Monitor Unit 8W8919605
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Part no. A2045409633
Mercedes-Benz C W204 Front Right O/S Door Wiring Loom Cable Harness A2045409633
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Part no. 7588502-4
Mini One R55 R56 N12 1.4 Petrol Engine ECU Kit DME 7588502 CAS3 Keys Manual
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Part no. 9149080-3
Roof Antenna Mini Cooper R57 Convertible Cabrio Aerial Base 9149080
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Part no. 6934058
BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6934058 6907330
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Part no. 9438730
BMW F20 F22 F30 F34 F36 Body Control Comfort Module Unit FEM ECU 9438730
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Part no. A6461536579
Mercedes-Benz W203 W210 Sprinter W906 Glow Plug Relay A6461536579
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Part no. A0005404750
Mercedes-Benz S CL Class W220 C215 Fuse Box Battery Connector A0005404750
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Part no. 7545789-4
Mini R50 One 1.6i W10 90HP Engine ECU Kit DME + EWS3 + Key 7545789 Automatic
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Part no. 8379726
BMW 5 Series E39 Cable Loom Front Driver's Door Wiring Harness 8379714
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Part no. A1715451501
Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715451501
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Part no. 6836345
BMW F20 F21 LCI F22 F23 Top HiFi Audio Amplifier Harman Kardon 6836345
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Part no. 9312766
BMW F11 BCM Body Control Module Unit Electronic Junction Box ECU 9312766
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Part no. 8655108-2
Mini One F54 F55 F56 B38 1.2 102HP Petrol Engine ECU Kit DME BDC + Key 8655108
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Part no. A2661539779-1
Mercedes W245 B160 M266 Engine Control ECU Kit A2661539779 Key Lock Automatic
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Part no. 4E0955559E
Audi A3 8P A4 B7 A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559B
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Part no. 7811700-9
BMW E60 E61 LCI E90 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 + Keys Manual
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Part no. 9147385
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II NSW Lear 9147385
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Part no. 7466895
BMW G30 Fuel Pump Controller Control Unit Module FPC High 7466895
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Part no. A2469068601-1
Mercedes W176 W246 Battery Junction Block Battery Plus Pole A2469068601
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Part no. A6396641914
Mount Support Mercedes Vito W639 Battery Bracket Holder Mounting A6396641914
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Part no. 6947117
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6947117
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Part no. 4154935-1
Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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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 .