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. 9195756-2
BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616
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Mercedes C204 Front Bumper PDC Wiring Parking Sensor Loom Harness A2044409734
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
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BMW X1 E84 USB AUX-IN Socket Plug 9241331
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PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260
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BMW 3 5 Series Mini Cooper E60 E93 R56 R60 IBS Negative Battery Lead 6938568
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Mercedes-Benz A E M Class W163 W168 W210 CD Player Audio 10 Stereo Radio Unit
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Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
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Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033
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BMW E87 LCI Footwell Light Control Unit Module ECU Lear FRM3R PL2 9249080
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V8 Lear 9393675
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Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C
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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326
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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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Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B
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BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
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BMW E60 E61 E63 E64 PDC Parking Distance Sensor Diamond Metallic - A10 2180149
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BMW E81 E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7583225 CAS3 + Key
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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. 9322056
Battery Cable BMW X5 F15 Positive Plus Pole Distribution Box Wiring SBK3 9322056
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Part no. 1K0909605T
VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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Part no. 05L903141
Audi A3 8Y A4 B9 A6 C8 Alternator Bracket Mount Holder 2.0 TDI 05L903143
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BMW E39 523i Petrol M52 Immobiliser EWS 3 Control Module Siemens 8382454
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Part no. 6953191
BMW 5 Series E61 Touring Diversity Aerial Antenna Suppression Filter 6953191
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Part no. 1707017
BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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Part no. 7536030
Mini Cooper S R53 Petrol W11 Engine Control Unit ECU DME Manual 7527610
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Part no. 9120776
BMW 5 Series E60 E61 Cable Set Door Wiring Loom Harness Driver's Side 9120773
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Part no. 9355462
BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462
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Part no. 8379376
BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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Part no. A4475407880
Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
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Part no. 9286238
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286238
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Part no. 0001123044
Volkswagen VW Golf VI Passat B6 2.0 TDI Diesel Engine Starter Motor 0001123044
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Part no. 8P0035152E
Audi A3 8P Stereo Radio Audio CD Player Head Unit 8P0035152E
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Part no. N000000003996
Mercedes Universal Fuse Relay Electrical Unit Set Bag N000000 003996
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Part no. A2055455440
Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440
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Part no. 04E907309A
Volkswagen Golf Mk7 1.4 TSI CXSA Engine Control Unit ECU 04E907309A Automatic
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VW Volkswagen Caddy 2K Audi A4 B9 Glow Plug Relay Unit Black Diesel 038907281D
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Part no. 5A19DB2
Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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Mercedes S204 Rear Trunk SAM Central Electric Base Control Module A2049065602
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Part no. 6960249
BMW X5 E53 Basic Body Control Unit Module GM3 6960249
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BMW 4 Series F33 F83 M4 Switch Folding Top Sliding Up Down Roof 9366374
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Part no. 5A11E72
BMW G20 Axle Differential Module Control Unit ECU 5A11E72
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Part no. 3455896
BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Part no. 1509691
Ford Mondeo Mk4 Gearbox Earth Ground Cable Wiring Lead 8G9T-14324-PB
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Part no. A2049003211
Mercedes W204 Stereo Radio Autoradio CD Player Head Unit A2049003211
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Part no. 9380947
BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
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Part no. 9259730
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
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Part no. 7230669
Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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Part no. A0155429317
Speed Sensor Mercedes Sprinter W906 Impuls Control Unit Module A0155429317
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Part no. 6822626
Display Screen BMW F30 F31 F32 F33 Central Information 8,8" 6822626
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Part no. 9138440
BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
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Mercedes W164 W169 W211 W245 Disc CD Changer A2118706189
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Part no. 6948983
BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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Part no. 8J0035223E
Audi TT 8J Coupe Roadster Ultrasonic Sound Control Module ECU Unit 8J0035223E
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Part no. A1669004719
Audio Amplifier Mercedes W166 C292 Sound Control Unit Harman Kardon A1669004719
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Part no. 3457402
Mini Cooper R58 Coupé Footwell Light Module High EKS PL3 FRM3R 3457402
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Part no. 9136039
BMW E60 E63 Body Control Module ECU Control Unit 9136039
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Part no. A9065454701
Mercedes W906 Fuse Box Relay Control Unit Electric Module A9065454701
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Part no. 7577664
BMW E60 E61 LCI 550i N62N 367HP Engine Unit Module ECU DME 7577664 Manual
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Part no. A2215400401
Mercedes W221 Power Supply Battery Control Module Unit A2215400401
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Part no. 1247281
BMW E34 E36 E46 316i 318i 518i Ignition Coil Control Unit Module 1247281
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Part no. A1698203775
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203775
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Part no. 7575650-2
Mini Cooper R56 N12 W16 Alternator Generator Napa 7575650
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Part no. 8E0959651B
Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 8E0959651B
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Part no. 8W0035708
Audi A4 B9 8W Q5 FY Audio External Connector AUX USB Port 8W0035708
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Part no. 6971353
BMW X3 E46 E83 Navigation Computer GPS System DVD Player Unit 6971353
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Part no. 3453791
BMW X3 E83 LCI Crash System Control Unit Module ECU 3453791
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Part no. A1665405202
Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202
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Part no. 8510832-2
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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Part no. 9459681
Seat Module BMW F20 F30 F32 F33 X1 F48 X5 F15 Front Control Unit ECU 9459681
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Part no. 8K0971104AC
Audi RS4 A4 B8 8K Parking Sensors Rear Bumper Wiring Loom 8K0971104AC
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Part no. A0101540802
Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802
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Part no. A2218707386
Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
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Part no. 6983539
BMW E61 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Part no. 6953424-1
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Part no. A1679001414
Head Unit Mercedes W167 W177 Audio Stereo Radio Player Control Unit A1679001414
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Part no. 6827072
Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R Lear 6827072
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Part no. 5WA971230CM
Battery Cable VW Golf 8 Audi A3 8Y Starter Alternator Wiring Harness 5WA971230CM
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Seat Leon 1P Crash Impact Sensor Front Door Left Right N/O/S 5N0959354A
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Part no. A0185458332
Mercedes C140 Body Control Comfort Unit Module BCM Unit ECU A0185458332
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Part no. A0131540602
Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
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Mini Countryman R60 CAS3 Control Unit Key Reading Module 9389115
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Part no. 9134281
BMW X5 E70 Aerial Antenna Amplifier Diversity 9193847 9134281
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Part no. A6399005400-2
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Part no. A2641591400
Ignition Coil Mercedes W177 M260 Petrol Ignition Cable Connector A2641591400
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Part no. 9194064-2
On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 9194064
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Part no. 9131778
BMW 1 Series e87 ECU BODY CONTROL MODULE H2 61359131778 9131778
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Part no. 1S7U11000BC
Starter Motor Ford Transit 2.4 TDDi Diesel Engine 1S7U11000BC
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Part no. 7633242-1
BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
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Part no. 6G9T-14B192-BA-1
Ford Galaxy Mondeo Transit Relay 4-Pin Black FoMoCo Unit SET X2 6G9T-14B192-BA
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Part no. 6955346
M-Audio Controller BMW E60 E61 E63 E64 Radio Player M-ASK CD Head Unit 6955346
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Part no. A0051511301-1
@Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator MAWS38371
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Part no. 4L0907553
Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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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 .