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. 6807633
Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 6807633
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Part no. A2469002718-1
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718
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Part no. 7809941-5
BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Part no. A6461500878-1
Mercedes Vito W639 111CDI 116HP 646.980 Engine Unit ECU Kit A6461500878 Key Lock
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Part no. 3451924
BMW Mini Cooper R56 High SPEG PL3 DC/DC M2 Fuse Distribution Box 3451924
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Part no. 2457701
BMW Mini F55 F56 R56 R57 R60 Advanced Car Eye 2.0 Full HD Rear View Camera
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Part no. 8638785-1
Mini Cooper F56 136HP Petrol B38 Engine ECU Kit DME 8638785 + BDC + Key
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Part no. 8570845
Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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Part no. 6805061
BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
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Part no. A0055422718
Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718
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Part no. 9299268-1
BMW F20 F21 F30 F31 F32 Radio Stereo Professional CD DAB Head Unit 9299268
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Part no. 7566297
Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297
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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. 8618861-1
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Storage Electrical Box 8687753
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Part no. 7567178-1
BMW 3 5 Series E60 E90 325i 525i N52 218HP DME ECU 7567178 Kit CAS3 Key Manual
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Part no. 8T0035223T
Audi S4 B8 Aerial Antenna AMP Amplifier Booster Unit Module 8T0035223F
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Part no. rhd-7564379
BMW 5 6 Series E60 E63 LCI Petrol N53 Wiring Loom Harness Engine Manual Gearbox
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Part no. 9286940
BMW 7 Series F01 LCI ECU Body Control Module Junction Box JBBFEIII V5 9286940
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Part no. 7595179-6
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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Part no. 7610081-1
Mini R55 R56 Engine N14 1.6 174HP ECU Kit DME 7610081 CAS3 + Key Manual
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Part no. HALFORDS-AGM-70AH
Halfords 12V AGM 096 Start Stop Accumulator Battery 70Ah 720A
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Part no. 6929950
BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950
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Part no. 7800131-2
BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + Key Automatic
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Part no. 8729433
Amplifier BMW F82 F87 F80 F83 Active Sound Design Control Unit 8729433
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Part no. 9262871
BMW F01 Front Door Wiring Loom Cable Harness 9262871
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Part no. 7561834-9
BMW E87 E90 E91 N46 120i 320i Engine DME 7561834 ECU KIT CAS2 + 2 Keys Manual
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Part no. 7580279-14
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual
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Part no. A0035421919
Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0035421919
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Part no. 506737
BMW X5 E53 Westfalia Towing Hitch Module Uni CAN Control Unit 506737
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Part no. 6806749
BMW VRLA / AGM 12V Accumulator Battery 70Ah 720A 6806749
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Part no. 7557395-7
MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7557395 Automatic
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Part no. 7565300-7
BMW 1 3 Series E87 E90 E91 N46 118i 318i ECU Kit DME 7565300 CAS3 Key Manual
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Part no. A2038701689
Mercedes CL203 Antenna Amplifier Control Module Unit Aerial Booster A2038701689
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Part no. 7799854-1
BMW 1 3 Series E87 E90 M47N2 118d 318d 122HP ECU KIT DDE + CAS2 + Key 7799854
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Part no. A2118209485
Airbag Module Mercedes W211 W219 Air Bag SRS Control Unit ECU A2118209485
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Part no. 6853992
BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992
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Part no. 9315686
BMW F20 F21 F30 F31 F32 F34 FEM BCM Body Control Module Unit 9315686
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Part no. 7586933-3
BMW E90 E92 335i Petrol N54 306HP ECU Engine Unit Module DME 7586933 Automatic
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Part no. A6519005301-1
Mercedes W204 C220CDI OM651 BlueEFFICIENCY Engine Control Unit ECU A6519005301
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Part no. 9176824-1
BMW X6 E71 Footwell Light Control Module Unit LEAR PL4 FRM II 9176824
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Part no. A1669000609
Mercedes W204 Becker Map Pilot Navigation Module Sat Nav Navi A1669000609
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Part no. A9069006701-1
SAM Module Mercedes Sprinter W906 Fuse Box Relay Control Unit A9069006701
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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. 9364726-1
Mini Cooper One F55 F56 Rear Bumper PDC Cables Wiring Loom Set 9364726
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Part no. 6942693
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV AUTO.LWR 6942693
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Part no. 7304626
Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7304626
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Part no. 6960381
BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module 6960381
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Part no. A2138203202-1
Mercedes W213 Bluetooth Adapter Plug Module MMI Control Unit ECU A2138203202
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Part no. 6958127
Hall Sensor BMW E93 Convertible Trunk Boot Control Unit Module 6958127
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Part no. 6989114
BMW 5 X3 Series E60 E61 E83 Front PDC Parking Distance Sensor Amethystgrau Grey
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Part no. 9264634
BMW 1 Series F20 Wiring Loom Cable Seat Driver Side Front Right O/S Set 9264634
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Part no. A9068200886
Radio Head Mercedes Vito W639 Sprinter W906 CD Audio Stereo Unit A9068200886
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Part no. YUASA YBX 9000 AGM 70Ah Accumulator
YUASA YBX 9000 AGM Start Stop 12V Accumulator Battery 70Ah 760A YBX9096
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Part no. 6837358
Airbag Module BMW F10 F12 F13 X3 F25 ECU Control Unit Air Bag 6837358
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Part no. 6838829
BMW F30 Harman Becker Amplifier Module Active Sound Control Unit 6838829
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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. 7610011-5
Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7610011 Manual
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Part no. 6951856
BMW 5 Series E60 E61 CCC CD Professional Navigation Controller 6951856
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Part no. 6980246
BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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Part no. E87-ANDROID
BMW E81 E87 E82 E87 Dashboard Dash Screen Android 10.25" Head Unit Screen
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Part no. 9174269-1
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
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Part no. 3427751
BMW X3 Series E83 Wiring Passenger Side Loom Front Door Cables 3427751
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Part no. 9203081-1
BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Part no. A2129004025
Mercedes W212 Fuse Box Relay Control Unit Module SAM A2129004025
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Part no. 6962767
BMW Z4 Series E85 Roadster Cabrio Safety Information Module Airbag 6962767
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Part no. 8X0035183F
Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183F
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Part no. 6819838
BMW F30 LCI G11 G30 High Voltage Battery Charging Unit Module 6819838
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Part no. 7803373-6
BMW E60 E87 E90 120d 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 CAS3
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Part no. 7580279-5
BMW E81 E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Automatic
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Part no. 6932812
BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6932812
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Part no. A9069006301
Mercedes Sprinter W906 Body Comfort Control Unit Module ECU A9069006301
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Part no. A2129000206
Front Fuse Box Mercedes W204 C207 Relay Control Unit SAM Module A2129000206
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Part no. A6461507272
Mercedes W639 Vito 109 CDI OM646 Engine Unit Module ECU A6461507272 Manual
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Part no. 6942101
BMW E64 E89 B-pillar Sensor Left N/S 6942101 6945157
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Part no. 8803369
BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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Part no. 9370870-1
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9329953
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Part no. 2241245-1
BMW 7 Series E65 E66 PDC Parking Ultrasonic Front Sensor Oxford Green 2 2241245
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Part no. A2711500391-1
Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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Part no. 8512498-1
BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic
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Part no. A2129005200
Seat Module Mercedes W204 W212 Memory Control Unit Driver's Side A2129005200
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Part no. 8518269-1
BMW 3 Series E90 E91 LCI N47N 320d ed 163HP ECU KIT DDE CAS 3 Key 8518269 Manual
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Part no. 9230448-1
BMW E91 Footwell Light Control Module LED Basis PL2 FRM3R Lear Unit 9230448
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Part no. 9227238
BMW E93 LCI Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9227238
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Part no. 8J0959433B
Audi TT 8J BCM Body Comfort Convenience Module Unit ECU 8J0959433B
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Part no. 6955927
BMW 3 X1 Series E84 E91 E91N LCI Control Unit Sliding Lifting Roof 6955927
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Part no. A6461501291
Mercedes W639 Vito 109 CDI OM646 Engine Unit Module ECU A6461501291 Manual
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Part no. A1645400182
Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182
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Part no. A2115459001
Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Part no. A2045450169
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
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Part no. 8510591-4
BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Part no. 1729981-1
BMW 5 7 X5 E34 E38 E39 E53 Petrol Engine Starter Motor 1729981
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Part no. 9134708
BMW 1 3 E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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Part no. A2126280041
Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Part no. 8506438
BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
Product currently unavailable

Part no. 9204525-1
BMW 1 Series E87 ECU Light Module Control Unit NSW PL2 FRM II Lear 9204525
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Part no. 6916407
BMW E53 PDC Parking Control Module Unit PDC 6916407 66216916407
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Part no. 9147184
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147184
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Part no. rhd-6928971
BMW 6 Series E63 E64 Driver Side Door Cable Harness Wiring 6928971
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Part no. 6942102
BMW 6 Z4 Series E64 E85 Sensor B-pillar Airbag Right O/S 6942102
Product currently unavailable
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .