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. 6948576
BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
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Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372
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Mini Cooper S F55 F56 F57 Petrol Injector Wiring Cable Loom Harness 8678962
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Volkswagen Scirocco Mk3 Parking Light Front Left N/S Indicator 1K8953041E
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Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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Audi A6 C6 2.0 TDI Relay Condenser 4FO903291
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BMW E38 Earth Cable Battery Engine Electrical Cable Wiring 1436907 1436908
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Mercedes W176 W205 C207 W212 Front Radar Distance Sensor Unit Module A0009050410
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Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H
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BMW E81 E87 LCI E90 E91 Petrol N43 Alternator Generator 170A Denso 7550468
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BMW E46 E39 E38 E83 E53 E85 E86 Control Unit Voice Input System Module 6915047
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Mercedes W211 OM646 Battery Cable Starter Alternator Wiring Harness A2114406209
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702
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Part no. 8P0919475M
Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
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Part no. 8V4971687E
Audi A3 8V Sportback Door Wiring Loom Harness Rear Left Right N/O/S 8V4971687P
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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. 1362688080
Battery Cable Citroen Relay Peugeot Boxer Positive Wiring Harness 1362688080
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Part no. 9236459
BMW F07 GT Light Control Footwell Module Unit ECU FRM III 9236459
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Mercedes ML W163 Comfort Control Module Central Electronics A1635457332
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Part no. 6927264
BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
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Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950
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Part no. 1388911-2
BMW E36 E38 E85 Mini R52 R57 4x Change-Over Contact Relay Violet Set 1388911
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Part no. 9364201
BMW G30 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
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Part no. 1K0971121CN
VW Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Left N/S 1K0971121CN
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Part no. 8200527320
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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Part no. 9249083
BMW E91 LCI Footwell Light Control Module LCM LED Basis 9249083
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Part no. 9202724
BMW 3 Series E90 E91 E92 AUX USB Lead Cable Wire 61129202724 9202724
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Part no. 8586536-1
BMW F30 F32 LCI 335dX 435dX N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
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Part no. 9119428
BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9119428
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Part no. 7843329
Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 1-4 7843329
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Part no. 04L903017A
Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A
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Part no. A1669002906
Mercedes W204 Headlight Range Control Unit Module ECU A1669002906
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Part no. 7516809
BMW 3 Series E46 Valvetronic Valve VVT Control Unit Module ECU 7516809
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Part no. 6820696
BMW F30 F31 F32 Control Unit Module Active Sound Design 6820696
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Part no. 6917548-1
BMW Mini 1 R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
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Part no. YSB001040
Land Rover Range L322 3.0d M57 Engine Wiring Loom Harness Automatic 7788409
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Part no. 7PP941572AC
Audi A5 F5 Xenon Headlight Resistor Ballast Relay Module Unit 7PP941572AC
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Part no. 068911024G
Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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Part no. 9314635
BMW Mini Cooper F54 F55 F56 F60 HSD Line HU - CID 9314635
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Part no. 9251975-1
Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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Part no. A0009062722-1
Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
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Part no. A6511500126-1
Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6511500126 Key
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Part no. A2129009705-1
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Part no. A1729000402
Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402
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Part no. 8617050-2
Mini Cooper R56 LCI R58 N16 1.6 122HP Engine ECU Kit DME 8617050 CAS 3 + Key
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Part no. 9270020
BMW F06 F12 F13 Front Wiring Loom PDC Harness Parking Sensor 9270020
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Part no. 7800131
BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic
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Part no. 46774430
Fiat Doblo Engine Alternator Generator 46774430
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Part no. 3452166
BMW X3 E83 Air Module Control Unit ECU 3452166
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Part no. A0009060086
Mercedes W205 Control Unit Power Distribution Box Electrical A0009060086
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Part no. 8473185-2
BMW F20 F30 LCI 118d 318d B47 150HP Engine ECU Kit DDE 8473185 FEM Key Automatic
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Part no. 2354701-1
BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Part no. 7429125
Headlight Module BMW F36 Headlamp Control Unit FLE2 MAX 7429125
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Part no. A2479001608
Module Mercedes W177 W247 Instrument Cluster Control Module A2479001608
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Part no. A0009825323
Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
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Part no. 6968836-1
BMW 1 Series E87 BODY CONTROL MODULE L2 61356968836 6968836
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Part no. 8P0035186S
Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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Part no. 7640004-4
Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 + 2 Keys
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Part no. 8583091
BMW X5 E70 G11 Integrated Supply Module Ecu Control Unit 8583091
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Part no. LR3T14G087VJ
Ford Transit Mk8 Bluetooth Module Unit Control ECU LR3T-14G087-VJ
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Part no. A1649004600
Mercedes ML W164 W251 SAM Module Control Unit ECU A1649004600
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Part no. 7570487
Mini Cooper One R50 R52 Starter Motor 0,9KW BOSCH 4542741
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Part no. 037906024BE
VW Golf 3 GTI 2.0 16V ABF 150KM Petrol Manual Engine Unit Module ECU 037906024BE
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Part no. 8512047-2
BMW 3 Series E90 E91 LCI N47N 320d ECU Basic DDE Control Unit 8512047 Manual
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Part no. 4G8959107Q
Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107Q
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Part no. A2709002100-10
Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic
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Part no. A1775405710
Parking Sensor Wiring Mercedes W177 W247 Rear Bumper PDC Loom Cable A1775405710
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Part no. A9105409455
Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
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Part no. 5A0B302
BMW F20 F30 Mini F60 KAFAS 2 Camera Speed Control ECU Module Unit 5A0B302
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Part no. 8K0971688AG
Audi A4 B8 Door Wiring Harness Loom Rear Right O/S Cabling 8K0971688AG
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Part no. 2447522
Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
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Part no. 95B907515
Porsche Macan 95B Antenna Amplifier Control Unit Module Holder Bracket 95B907515
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Part no. A2035400006
Mercedes-Benz C W203 Front Bumper Parking Sensor Wiring Loom Cable Harness
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Part no. 6958198-1
BMW 1 Series 1 E87 6-disc CD Changer Without Magazine 6958198
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Part no. 7592529
BMW F20 F23 F11 N55 Engine Wiring Harness Motor Adapter Sensor System 2 7592529
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Part no. 8E5035223D
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman Becker 8E5035223D
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Part no. A1645402372-1
Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
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Part no. A0355400445
Mercedes W204 W212 W221 AMG Fuel Pump Module Control Unit ECU A0355400445
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Part no. 7439743
BMW 3 5 7 Series F30 LCI 330e G11 G30 Fuel Pump Control Unit Module 7439743
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Part no. 7444684
BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7444684
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Part no. A9075400186
Mercedes Sprinter W907 Battery Cable Alternator Wiring Loom Harness A9075400186
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Part no. 8W5035035B
Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Part no. A2118702885
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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Part no. A1725420023-1
Parking Sensor Display Mercedes W176 W204 W246 Dashboard Panel PDC A1725420023
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Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045
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Part no. 81A035382
Audi Q2 GA Rear Centre Loudspeaker Subwoofer 81A035382
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Part no. 4M8962239
Audi Q7 4M Rear Boot Lid Tailgate Opening Module Cable Wiring Line 4M8962239
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Audi S7 4G8 Front Lamp Headlight Level Sensor 3C0907503
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Part no. 03L903024M
Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M
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Part no. 9305712
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9305712
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Part no. 9226331-1
BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Part no. A2044400538
Mercedes C204 Wiring Cable Harness Front Driver Door Wiring Loom A2044400538
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Part no. 7N0906093
Fuel Pump Module VW Volkswagen Sharan 7N Fuel Sender Control Unit ECU 7N0906093
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Part no. A0009068106
Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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Part no. 6922801
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6922801
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Part no. 6872887
BMW X5 Series E53 Wheel Electronics Module RDC 433MHz Control Unit 6752128
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Part no. 9146710-1
Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
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Part no. 2354706-1
BMW 1 3 X1 X3 E83 E84 E87 E90 E91 N45 N46 Petrol Enigne Starter Motor 1,1 kW
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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 .