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. 9249081-1
BMW E92 Footwell Light Control Module FRM3R PL2 Lear 9249081
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Part no. 7798006-2
BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006
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Part no. A2059009427
Mercedes W205 Front Air Module SRS Control Unit ECU A2059009427
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Part no. 9141682-1
BMW 1 3 Series E81 E87 E90 E91 1 Radio BMW Business CD Player 9141682
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Part no. TM005-1
Right Connections CFC Towing Hitch Trailer Hook Module Control Unit ECU TM005
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Part no. 6809250
Mini Cooper F55 F56 Navigation DAB Head Unit High Control Unit 6809250
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Part no. 9243913
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9243913
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Part no. 6928572
BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572
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Part no. 7519618
BMW E46 E85 M54 Petrol Alternator Generator Bosch 120A 7519618
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Part no. 8589145
BMW F20 F21 F30 LCI 118d 318d B47 DDE Engine Control Unit ECU 8589145 Automatic
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Part no. A6399003200
Mercedes Vito W639 Door Module Front Right O/S Control Unit ECU A6399003200
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Part no. 9262037-1
BMW X5 E70 ECU Body Control Module Junction Box JBBFEIIIR LP 9262037
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Part no. 9281723
BMW Z4 Series E89 Roadster Cabrio Convertible Top Module CTM 09281723 9281723
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Part no. 9261592
BMW F20 F21 F30 Ultrasonic Parking Sensor PDC Front Havanna Metallic - A17
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Part no. A6394460442
Mercedes Vito W639 Air Module System Control Unit A6394460442
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Part no. 6983494-1
BMW 3 X1 SERIES E84 E90 E91 LCI Petrol Instrument Cluster Speedo Clocks 6983494
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Part no. 9147217
BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9147217
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Part no. A2469008819
Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Part no. 7800131-1
BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + 2 Keys Automatic
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Part no. 7795363
BMW 5 Series E60 E61 520d M47N2 Engine Wiring Loom Harness DDE Manual 7795363
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Part no. 6826984
Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630
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Part no. 9313607
BMW 3 4 Series F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9260019
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Part no. A2048704526
Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
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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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Part no. A2129006624
Fuse Box Mercedes W204 Front Relay Control Unit Module SAM A2129006624
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Part no. 7809001-1
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key
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Part no. 1393415-1
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. A2479003108
Mercedes V177 Multi-Purpose Windscreen Camera Control Unit Module A2479003108
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Part no. 8578609
BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
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Part no. A2049005212
Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049005212
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Part no. 9484303
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 9484303
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Part no. 6821206
BMW F45 F46 F48 Battery Cable IBS Negative Battery Lead 6821206
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Part no. 7640005-12
Mini One R55 R56 N12 1.4 95HP Engine Control Unit ECU Kit DME 7640005 CAS3 Key
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Part no. rhd-7575444
BMW 3 SERIES E90 E91 E92 Petrol N53 Wiring Loom Harness Engine Manual Gearbox
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Part no. 7610011-1
BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 2 Keys 7610011 Manual
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Part no. 7160897
BMW X5 E53 E60 E61 E65 E81 E87 E90 E91 Turn Indicator Silver Bulb 7160897
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Part no. 3457402-1
Mini Cooper R56 Footwell Light Module High EKS PL3 FRM3R 3457402
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Part no. 9145350
BMW X3 E83 LCI EWS IV 4.4 Control Unit Module ECU 9145350
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Part no. 9326010
Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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Part no. 9145022
BMW E60 E61 E63 E64 Body Gateway Module KGM LOW
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Part no. 9203082
BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082
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Part no. A2035400050
Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Part no. 9170721-1
Navigation System BMW E90 E91 E92 Professional CCC Sat Nav Controller 9170721
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Part no. 7457871
BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457871
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Part no. 7599881-2
BMW E87 LCI E90 118i 318i N43 143HP ECU KIT DME 7599881 CAS3 + Key Automatic
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Part no. 9348728
BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728
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Part no. 8588946-1
BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Automatic
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Part no. A2479067502
Mercedes W177 W247 Battery Terminal Limiter Bracket Unit A2479067502
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Part no. 6985500
PDC Module BMW X5 E53 X3 E83 Parking Control Unit 6985500
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Part no. A6395450301-2
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. A2049007408
Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
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Part no. 3C0906093C
Audi TT Mk2 8J Petrol Engine Fuel Pump Control Unit Module 3C0906093C
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Part no. 6929347-1
BMW 1 3 SERIES E82 E90 E92 Roof Antenna Aerial Shark Fin GPS Radio TeL 1682646
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Part no. 9197354
BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
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Part no. A2466280041
Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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Part no. 6923215
BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
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Part no. 6989163
BMW 7 Series E65 E66 E67 PDC Parking Ultrasonic Sensor Toledoblau 6989163
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Part no. 9289118
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional DAB Unit 9289118
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Part no. A2048208185
Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
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Part no. 9235506
Bracket Harman Kardon BMW F30 F31 Amplifier Holder Mount Unit Module 9235506
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Part no. A0009008402
Mercedes W204 W176 W212 Tyre Pressure Monitor Control Unit Module A0009008402
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Part no. 7363091
Xenon Headlight Module BMW F22 F23 Control Unit Driver Module 7363091
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Part no. 9177987
BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
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Part no. 8512499
Engine Control Unit BMW E81 E87 E90 E91 LCI N47 Diesel ECU DDE 8512499
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Part no. 7545789-8
Engine Basic Control Unit Mini R50 R52 W10 ECU DME 7545789 Automatic
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Part no. 9298958
Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958
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Part no. 2622598
BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
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Part no. 7579142-13
BMW 1 3 Series E87 LCI E90 120i 320i Petrol ECU Kit N43 DME 7579142 CAS3 Key
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Part no. 9362848
BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module
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Part no. 5A12D42
Charging Module BMW i3 I01 Rex Hybrid Comfort Battery Control Unit KLE 5A12D42
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Part no. A6399005400
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Part no. 7801712-2
BMW 3 5 Series E60 E90 330d 530d M57N2 ECU Engine Kit DDE 7801712 CAS2 Key
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Part no. 6949628
BMW 5 7 Series E60 E65 E66 Sunroof Sliding Roof Window Drive Unit Motor
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Part no. 7640005-5
Mini One R55 R56 N12 1.4 95HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Part no. 8734740
BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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Part no. 6928366-1
BMW 5 Series E60 E61 Rear Bumper PDC Wiring Loom Cables Set 6928366
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Part no. A1699000500
Mercedes W169 W245 Door Control Module Front Left N/S A1699000500
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Part no. rhd-7796846
BMW 5 Series E60 E61 LCI 525d M57N2 Engine Wiring Loom Harness DDE Automatic
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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. 9813621
Mini Countryman R60 Fuse Distribution Box SPEG High DC/DC H7 9809382
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Part no. 7801712
BMW E60 E61 E90 E91 330d 530d M57N2 Engine DDE Control Unit 7801712 Automatic
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Part no. 8P0959433J
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
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Part no. A9065453401
Mercedes Sprinter W906 Fuse Box Relay SAM Module Control Unit A9065453401
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Part no. 9213187
Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9213187
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Part no. 6917738
Mini Cooper R50 R53 Rear Battery Hold Down Strap Retaining Bracket 6917738
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Part no. A2098200085
Mercedes W209 Convertible Air Module SRS Control Unit ECU A2098200085
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Part no. 7799856-2
BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7799856 CAS2 + Key
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Part no. 7595179-1
BMW E81 E87 LCI E90 N43 120i 320i 1.6 Petrol ECU Kit DME 7595179 CAS3 Key
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Part no. 6975686
BMW E60 E61 E63 Control Unit Gateway Module ECU 6975686
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Part no. 6940422
BMW E60 E61 Front Seat Occupancy Sensor Mat 6940422
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Part no. 9287433
BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973
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Part no. 9153782
BMW 3 Series E90 Footwell Light Control Module ECU NSW PL2 FRM II Lear 9153782
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Part no. 7527610-1
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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Part no. 3457389
Mini Cooper R56 LCI Footwell Light Module High EKS ECU FRM3R PL3 3457389
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Part no. 9130313
BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9130313
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Part no. 9146710
BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
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Part no. 7490465-1
BMW F10 F20 F30 F31 Mini F55 F56 Front Heated Seat Control Module ECU 7490465
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Part no. A2045403750
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2045403750
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Part no. 6827064-3
BMW E93 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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 .