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. A0175450632
Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
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Part no. 2348833
BMW Mini R55 R56 R60 Electronic Components Daytime Running Lights LED 2348833
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Part no. 95225-1F100
Kia Ceed Sportage Hyundai Relay Unit 5 Pins 30/20A Blue 95225-1F100
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Part no. A2469000709
Mercedes W246 Air Module Control Unit ECU Module A2469000709
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Part no. A6291501933
Mercedes W164 OM629 Diesel Engine Motor Wiring Loom Cable Harness A6291501933
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Part no. 6938360
BMW 7 Series E65 E66 E67 Telephone Navigation Adapter 6938360
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Part no. 6921965
Mini Cooper One R50 R53 Radio Boost CD Player Unit Head 6921965
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Part no. 8Y0959760
Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
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Part no. A1775405710
Parking Sensor Wiring Mercedes W177 W247 Rear Bumper PDC Loom Cable A1775405710
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Part no. A2479061803
Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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Part no. 4H4907357E
Audi A6 C7 Front Lamp Headlight Control Module Unit ECU Controller 4H4907357E
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Part no. 9386604
BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
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Part no. A2515454132
Mercedes W164 W251 Air Suspension Level Control Unit Module Airmatic A2515454132
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Part no. 9341078
Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9341078
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Part no. A1699000400
Door Module Mercedes W169 W245 Control Unit Front Right O/S A1699000400
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Part no. 6960226
Air Bag Module BMW E65 E66 Sensor Rear Seat Airbag Control Unit ECU 6960226
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Part no. A0061514501-2
Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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Part no. 9267609
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Part no. 6948983
BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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Part no. 8509226
BMW F31 Diesel Engine Alternator Generator 220A Valeo N57D30A 8509226
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Part no. 9387260
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9387260
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Part no. A2035453801-1
Mercedes W203 W209 Fuse Box Rear SAM Module Relay Control Unit A2035453801
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Part no. 7N0959792J
VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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Part no. 233003329R
Renault Clio Megane Scenic Diesel Engine Starter Motor 233003329R
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Part no. 8G9T-14A280
Ford Mondeo Mk4 Battery Terminal Cable Wiring Connecting 8G9T-14A280
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Part no. 8519663
BMW Mini Cooper R55 R56 LCI N47N 1.6 Diesel Engine ECU Kit DDE CAS 3 Key 8519663
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Part no. 6969268
Electronics Charging Module BMW E81 E87 E90 Hands Free Charging MULF 6969268
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Part no. 02Z911024L
VW Volkswagen Golf Mk7 1.6 TDI CLHA Diesel Engine Starter Motor 02Z911024L
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Part no. 8200803443
Renault Master III Engine Alternator Mounting Bracket Carrier 8200803443
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Part no. 02A911024D
Volkswagen New Beetle 1.9 TDI BSW Engine Starter Motor 02A911024D
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Part no. 8U0959107A
Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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Part no. 8W1959592
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8W1959592
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Part no. 6809053
BMW F20 F22 F30 Rear Electronic Module REM Fuse Box Control Unit V5 ECU 6809053
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Part no. A6429002900-7
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key + Lock
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Part no. 8578995
BMW F10 520d F20 120d F30 320d N47N 184HP Engine Unit ECU DDE 8578995
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Part no. CARPLAY-A5-8T
Audi A5 8T Head Unit Multimedia Screen Display CarPlay Infotainment Unit
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Part no. A0009060086
Mercedes W205 Control Unit Power Distribution Box Electrical A0009060086
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Part no. A0075451432
ECU Mercedes W124 E280 M103.940 Engine Control Unit Automatic Jetronic
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Part no. 8T0919604A
Audi A5 8T Display Screen Dashboard Multifunction Monitor Unit 8T0919604A
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Part no. A0055421918
Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0055421918
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Part no. 7176068-4
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Part no. 04C903023T
Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Part no. 3447012
GM Vauxhall Opel Relay 4-Pin Multi Use Glow Plug Unit Green 03447012
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Part no. 6784314
BMW 5 7 Series E61 E61N LCI E65 Air Suspension Supply Control Unit 6784314
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Part no. A2128700194
Mercedes W204 W212 C218 Sound Audio Amplifier Harman Becker A2128700194
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Part no. 4E0910336MX
Audi A6 C6 Bluetooth Multimedia Interface Control Module Unit ECU 4E0910336MX
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Part no. A2215402862
Mercedes W221 Fuse Box Front SAM Module Relay Control Unit A2215402862
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Part no. 02T911024N
Seat Ibiza 6J VW Volkswagen 6R Starter Motor 1.2 1.6 Petrol Engine 02T911024N
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Part no. 8510829-1
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
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Part no. CC1T-11000-AB
Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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Part no. A6519060000
Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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Part no. 045903023A-1
VW Polo 4 9N 1.4 TDI Seat Skoda Diesel Engine Alternator Generator 045903023A
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Part no. 02E911023L-1
Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Part no. 3Q0906121B
Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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Part no. A2118210097
Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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Part no. 3456986
Mini Countryman R60 Footwell Light Control Module LOW ECU PL3 FRM III 3456986
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Part no. 8512499-7
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
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Part no. 7603779
Alternator BMW F10 F13 F07GT F02 Petrol N63 Alternator valeo 230A 7603779
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Part no. A6541599500
Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
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Part no. 4H0907063BN
Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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Part no. 7837455
BMW E87 Front Bumper PDC Wiring Loom Cable Harness Parking Sensors 7837455
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Part no. 9461797
BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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Part no. 6814187-1
Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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Part no. 6C1T14A076C
Ford Transit Fuse Box Cover Housing Lid Trim Cap 6C1T14A076C
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Part no. 1489994
Mini R50 R52 Starter Motor Engine W10 0,9KW Bosch Actuator 1489994
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Part no. 9675359580
Peugeot 3008 Bluetooth Module Multimedia Control Unit ECU 9675359580
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Part no. A6519060026-1
Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Denso DSN967
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Part no. A2129008007
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129008007
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Part no. 7811111-2
BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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Part no. A9015407309
Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
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Part no. 6972577
BMW 5 E60 E61 Wiring Loom Harness Co-Drivers Passengers Side 6982360
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Part no. 9313614
BMW F30 F31 F80 M3 Driver's Side Door Wiring Loom Cable 9313614
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Part no. 281156951R
Renault Master III Radio CD Player Bluetooth Head Unit USB MP3 281156951R
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Part no. 4G0907553F
Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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Part no. A2465403505
Door Wiring Mercedes W176 W246 Front Passenger Side Cable Harness A2465403505
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Part no. 9118032
BMW Z4 E89 Roadster HiFi Speaker Sound System Amplifier AMP Unit 9118032
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Part no. 5E0035842A
Skoda Octavia 5E MMI Multimedia Interface Unit Module Control ECU 5E0035842A
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Part no. 9257200
BMW X5 E70 CD Player Head Unit CIC DAB Professional Navigation Sat Nav 9257200
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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. 4G8959793E
Audi A6 C7 Front Door Control Module Unit ECU Driver's Side 4G8959793E
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Part no. 6970895
BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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Part no. 7543083-2
Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Lucas LRA02970
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Part no. 8642761
Integrated Supply Module BMW F40 X1 F48 Mini F55 F56 Control Unit Z11 8642761
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Part no. A6511501879-5
Mercedes Vito W639 2.2 CDI 651.940 4-Matic ECU Kit Engine A6511501879 Key Lock
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Part no. A0019822708
Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708
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Part no. 6913388
Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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Part no. 8573258-2
BMW F20 F30 F31 118d 318d N47N 143HP Engine Control Unit ECU DDE 8573258 Manual
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Part no. 7574365-1
Alternator Generator Mini Cooper R55 R56 R57 R57 R58 LCI Petrol 7574365
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Part no. 8512043-3
BMW E90 E91 LCI 318d N47N 143HP Engine ECU Kit DDE 8512043 CAS3 Key Automatic
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Part no. 5R3919294
Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
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Part no. 1K0959433AK
VW Golf Mk5 1K Body Control Comfort Unit Module Convenience Unit 1K0959433AK
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Part no. 8P0959433F
Audi A3 8P CCM Covenience Control Module Unit Relay Board ECU HELLA 8P0959433F
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Part no. 038903143AF
Audi VW Golf MK5 Seat Skoda 1.9 TDI Alternator Mount Support Bracket 038903143AF
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Part no. 4F1910336B
Telephone Control Module Audi A8 4E S8 D3 Bluetooth Unit 4F1910336B
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Part no. 8674691
BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8674691
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Part no. 03G911023
Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
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Part no. 7553735-3
Mini Cooper S R53 W11 170HP Engine ECU Kit DME 7553735 + Key + EWS Manual
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Part no. 02Z911024A
Audi A3 8P 1.6 TDI 5 Speed Manual Diesel Engine Starter Motor 02Z911024A
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Part no. 9137056-1
BMW 5 7 Series 1 E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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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 .