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.
Make
Category
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In Stock
Price

-5%
Part no. 6944875
BMW E36 Z4 E85 Z3 Module Radar Burglar Alarm Sensor 6944875
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 7835735
BMW E46 M3 Z4 E85 M3.2 Engine Starter Motor Valeo 7834214
€85.95
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. 5Q1937084C
Audi Q2 GA Module BCM Body Control Unit Module ECU 5Q1937084C
Promo price
€127.95
€76.77
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. A2124400414
Mercedes C207 W207 W212 Fuel Pump Module Diesel Control Unit ECU A2124400414
€28.95
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 6989713-1
BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 6C0907361E
Fuse Box Audi A1 Seat Ibiza Control Module Relay Box 6C0907361E
€75.95
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9175902
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness 9175887
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A1669051702
Mercedes-Benz A C M W166 W176 W205 Aerial Antenna Amplifier Unit A1669051702
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€23.95
€22.75
Free delivery - Fri, Jan 02
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-5%
Part no. A9065450003
Fuse Cover Mercedes Sprinter W906 Box Trim Panel Lid Grey A6395450003
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 6910920
Mini Cooper One R50 R53 Heater Temperature Control Actuator 0132801166
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. A2059002011
Mercedes W205 Rear Door Control Module Unit Right O/S ECU A2059002011
Promo price
€47.95
€28.77
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A2058201201
Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9209684
BMW F01 F02 F04 F07 ECU ICM Control Unit Air Module Bag 9209684
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. 6826326
BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326
Promo price
€66.95
€40.17
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 7419610
BMW F30 F31 LCI Headlight LED Module Insert Light Source Set 7419610
Promo price
€56.95
€48.41
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. A2749003900
Mercedes Vito W447 Electronic Control Unit Module ECU A2749003900
Promo price
€137.95
€82.77
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9803844
Mini Cooper Countryman R60 R61 Aerial Roof Antenna Base Module 9803844
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 7391042
BMW F10 F30 X1 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 7391042
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. RHD-A1664404337
Mercedes C292 Positive Cable Battery Starter Alternator Plus Wiring A1664404337
Promo price
€85.95
€51.57
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 8577241
BMW F30 F32 LCI 330d 335dX 430d 435dX Alternator Starter Cable B+ 8577241
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A1765450000
Mercedes-Benz A-Class W176 Bluetooth Unit Module Bracket Holder A1765450000
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 8267406
Headrest Adjustment BMW E46 E64 Front Right O/S Seat Actuator 8267406
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 8617707
BMW Mini Cooper F55 F56 Wiring Harness Engine Supply Module Cable Loom 8617707
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 4H0959792H
Audi A8 D4 4H Front Door Control Module Unit ECU Passenger Side 4H0959792H
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 6919759
BMW E65 E66 E67 Control Unit Front Centre Console Module 6919759
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 4M0907401AM
Audi Q7 4M 3.0TDI DPXB Quattro 218HP Engine Control ECU 4M0907401AM Automatic
€759.95
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. A2535400701
Mercedes A238 M276 Engine Alternator Wiring Loom Harness A2535400701
Promo price
€61.95
€52.66
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 02E911024B
Starter Motor VW Golf GTI Audi Seat Skoda Petrol CJX CHHA Bosch 1.1KW 02E911024B
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A6397600104
Bowden Cable Mercedes W639 Vito Door Handle Catch Top Rear Left Wire A6397600104
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9174271
BMW F10 LCI Bluetooth Control Unit Module Bracket Holder Mount 9174271
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. A6519007500-1
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
Promo price
€47.95
€40.76
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 4H0919604H-1
Audi A8L 4H Navigation Dashboard Display Hud Screen 4H0919604H
€165.95
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 0AH911023G
Audi Seat Skoda Volkswagen 1.2 TSI Petrol Starter Motor 0AH911023G
€47.95
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. A2389058501
Antenna Mercedes A205 Convertible Telephone Antenna Module A2389058501
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 8507398
Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. 9266384
BMW 5 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. E87 Wiring Loom Set PDC rear-1
BMW 1 Series E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 6914396
Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6914396
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A0025429319
Mercedes C117 W166 W176 W205 X253 Relay Black Control Unit 4 Pin 12V A0025429319
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9152262
BMW X5 E70 X6 E71 Front Crash Impact Sensor Module 9152262
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 9118101
BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 8387541
BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 8379941-1
BMW X5 Series E53 Interior Roof Alarm Sensor Ultra Sonic Module 8379941
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 9389069
BMW F20 F21 F30 F31 F32 X5 F15 X6 F16 Power Distribution Fuse Box Front 9389069
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 1K3959857B
Volkswagen Polo 6R Golf Mk6 3-Door Window Lifter Switch Driver's Side 1K3959857A
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 7198397
BMW E64 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7198397
€104.95
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A2049005205
Mercedes W204 Dashboard Stereo Display Screen Sat Nav Multimedia A2049005205
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 8507899
BMW F31 N47N 320d Engine Wiring Harness Module Diesel 8507899 8507896
Promo price
€66.95
€56.91
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. 9234942
Telematics Module BMW E81 E87 E90 E91 E92 LCI Combox Navigation 9234942
Promo price
€142.95
€85.77
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 4H0959795D
Audi A8L 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795D
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A2059001611
Mercedes W205 Door Module Front Right O/S Control Unit ECU A2059001611
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 6887753
BMW F20 F21 F22 F30 F31 F32 ICM Control Unit Module ECU 6868599
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. A1635408905
Mercedes-Benz M-Class ML W163 Rear Axle Brake Wiring Loom Harness A1635408905
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 6821970
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 6821970
€237.95
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 8X0959793B
Audi A1 8X Door Module Control Unit Controller Front Driver's Side 8X0959793B
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 1S0919275D-TOG
Audi Q3 8U PDC Parking Distance Control Sensor Tornado Grey-X7P 1S0919275D
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. A2535402128
Mercedes X253 Starter Motor Wiring Harness Cable A2535402128
Promo price
€66.95
€40.17
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9224866
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9153806
BMW F01 F02 Rear Heater Blower Motor Resistor 9153806
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 8617709
BMW Mini Cooper F55 F56 Wiring Harness Motor Sensorsystem Module 8617709
Promo price
€113.95
€96.86
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 6943854
BMW E60 E61 E63 E64 ECU Control Unit Key Reading Module CAS 2 6943854
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 7951069
KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 3T1T-14301-AF
Ford Transit Connect Negative Battery Terminal Cable Wiring 3T1T-14301-AF
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A0005459712
Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 7P6035670B
VW Volkswagen Touareg 7P CD Radio Stereo Head Unit Panel 7P6035670B
€389.95
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. A2218705089
Mercedes W221 Audio Amplifier Sound Harman Becker Control Unit A2218705089
€949.95
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. A2129006709-1
Mercedes C207 W212 Head Unit High Line Radio Sat Nav DVD Bluetooth A2129006709
€99.95
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 8632554
Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 6798937
BMW F11 Touring Air Suspension Control Unit ECU Rear Axle Module 6798937
Promo price
€66.95
€56.91
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. 8585935
BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
Promo price
€47.95
€28.77
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A2469012504
Mercedes W176 W246 Rain Sensor Light Control Unit Front Windscreen A2469012504
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A2074405433
Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A2118705526
Mercedes W219 Motorola Telephone Control Module DC UHI MOST A2118705526
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A2139002210
Mercedes-Benz W176 W205 W207 W213 Bluetooth Control Unit Module ECU A2139002210
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. A1645400762
Mercedes W164 W211 C219 Tyre Pressure Monitor Control Unit Module A1645400762
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. A2059054415
Heater Climate Mercedes W205 C253 Control A/C Unit Switch Panel A2059054415
Promo price
€51.95
€31.17
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9267085
Antenna Amplifier BMW F01 F10 F13 Aeral Diversity 868 MHZ Control Unit 9267085
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 9148264
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 6788716
BMW 7 Series E65 E66 E67 Steering Column Control Unit CIM Module
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9264636-1
BMW 1 3 4 F20 F30 F32 1 Driver Side Seat Wiring Loom Electric Harness 9339286
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 8V0035874B
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874B
€237.95
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. K515B-K212
Chip Power Chiptuning Box GS2 K515B-K212 Control Unit Module Tuning Set
Promo price
€113.95
€96.86
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 06J971082D
Audi Q3 8U Engine Injector Module Wiring Harness Cable 2.0 TFSI 06J971082E
€28.95
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. A2125406905
Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905
€28.95
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. 9387147
BMW F30 LCI 330e B48X Positive Battery Cable Plus EME Loom 9387147
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 1508931-1
Mini Cooper S R53 Positive Battery Cable Plus Pole Wiring Loom Harness 1508931
€80.95
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. A2218708285
Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708285
Promo price
€560.95
€476.81
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. A2469016002-1
Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
€80.95
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 8R0971104AC
Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104AC
Promo price
€47.95
€40.76
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A0045454140
Mercedes ML W164 W251 Door Wiring Joint Protective Cap Bracket
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-40%
Part no. 2622892
BMW 1 2 Series F20 F21 F22 F23 Control Unit Module Active Sound Design 2622892
Promo price
€142.95
€85.77
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. 6851242
ICM Module BMW F01 F02 Integrated Chassis Management QL ES Control Unit 6851242
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A6395480174
Mercedes-Benz Vito W639 Fuse Box Cooling Outlet Pipe Air Duct A6395480174
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. A2139008530
Mercedes W213 W447 Transmission Gearbox Control Unit Module ECU A2139008530
Promo price
€47.95
€40.76
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. A1668200689
Antenna Amplifier Mercedes W176 Aerial Module Unit Rear A1668200689
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

-5%
Part no. 9287433
BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00

Part no. 8642704
Mini One F56 B38 102HP Petrol Engine ECU Control Unit DDE 8642704 Manual
€275.95
Free delivery - Fri, Jan 02
If paid before 14:00

-15%
Part no. A2711535391-2
Mercedes R171 SLK 200K 184HP M271.944 Engine ECU Kit A2711535391 Key Lock
Promo price
€275.95
€234.56
Free delivery - Fri, Jan 02
If paid before 14:00
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 .