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. 3454607
BMW 3 X3 E46 E83 Body Control Unit Module GM5 Star12 Lin High 12V 3454607
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Air Bag Module BMW E65 E66 Sensor Rear Seat Airbag Control Unit ECU 6960226
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BMW Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6935645
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Radio Head Unit Ford Transit 6000 CD Media Player Unit 8C1T-18C815-AD
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Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
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Mercedes ML W164 Front SAM Control Unit Module ECU A1645406501
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Mercedes A B W169 W245 M266 Petrol Engine Wiring Harness Loom A2661502933
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BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
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Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
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Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
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On Board Monitor BMW E60 E63 E90 Dashboard Display Screen 8.8" 9114362
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BMW E63 E64 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 6982976
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Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
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Part no. 8570849
BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849
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Part no. 6987692
BMW E87 E90 Navigation System Professional CCC Navi Controller 6987692
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Part no. A4475407880
Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
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Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Front Left N/S
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Audi A5 8T Navigation System Car Sat Nav Computer Head Unit CIC 4G0035061B
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BMW E60 E90 325i 525i N53 218HP ECU Engine Control Module DME 7588620 Automatic
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Part no. 7807828-2
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7807828 CAS3 + Key
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Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614
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Part no. 1430940-1
BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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Part no. A4475450069
Mercedes Vito W447 Control Unit Fuse Box Compartment Mount A4475450069
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Part no. 6860387
Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387
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Part no. 02E911023H
Audi A3 Starter Motor Engine Diesel 02E911023H
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Part no. 9649090377
Peugeot 307 Display Screen Dashboard Multifunction Monitor Unit 9649090377
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Part no. 7600020-8
Mini One R56 N12 1.4 95HP ECU Kit DME + CAS 3 + 2 Keys 7600020 Manual
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Part no. 9237047
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Part no. 7527610-3
Mini Cooper R50 W10 90HP Engine ECU Kit DME 7527610 + EWS + Key Automatic
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Part no. 3455235
Mini Cooper R56 Fuse Box SPEG High DC/DC H4 3455235
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Part no. 9281829
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9281829
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Part no. A0051511301-2
Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Part no. 9271376
MINI Cooper One Clubman R55 LCI Rear Bumper PDC Cables Wiring Loom Set 9271376
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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. A2119060700
Mercedes CLS W219 Head Unit CD Player Navigation Radio Audio Unit A2119060700
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Part no. 3452092-1
Mini Cooper One R55 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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Part no. 6946528
BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6946528
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Part no. A1638201589
CD Changer Mercedes ML W163 6 Disc Changer With Magazine A1638201589
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Part no. 9676655380
Peugeot 207 Multifunction Display Screen Unit Module Dash Dashboard 9676655380
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BMW X3 3 Series E83 E46 Battery Cable Plus Pole 6910539
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Part no. 5Q0906121G
Audi A3 8V 1.6 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121G
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BMW E60 E61 E65 Compact Alternator Generator Valeo 170A 7792072
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Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
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Part no. AG9T10300AA
Ford Galaxy MK3 Mondeo MK4 2.0 TDCi Diesel Engine Alternator AG9T-10300-AA
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Part no. 7541694
BMW 3 5 7 X3 Series E46 E60 E65 E83 M54 Alternator Generator 7541694 155A BOSCH
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Part no. 04L911021
Audi A5 8T 2.0 TDI CNHA Diesel Engine Motor Starter 04L911021
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Part no. 7933357
Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
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Part no. 6G9N10300YC
Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC
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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. 5Q0906121F
Audi Q3 8U 2.0 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121F
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Part no. 9131852
Mini R50 R53 6-Disc CD Changer Multichanger With Magazine 9131852
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Part no. 4H0907064GB
Audi A7 4G8 Body Comfort Control Module Unit BCM V2 4H0907064GB
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Part no. A6429002900-6
Mercedes C207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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Part no. 6983539-1
BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Part no. 2754325
Mini Cooper R55 R56 Wiring Cable Seat Heating Seat Occupancy Set 2754325
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Part no. A0015429619
Mercedes R129 W202 Relay Green Control Unit 12V 30A A0045450405
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Part no. 9865400
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Assistant Control Unit 9865400
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BMW X5 E70 X6 E71 Module Control Unit Trunk LidRear Tailgate Lift 7317419
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Part no. 8519009-1
BMW X1 E84 20dX Diesel N47N 184HP Engine ECU Kit DDE 8519009 CAS3 Key Automatic
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Part no. 8K0927155AA
Audi A5 8T 2.0 TFSI CDNB Automatic Gearbox Module Control Unit 8K0927155AA
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Part no. 6971370
BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Part no. 9185524
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
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Part no. 9226331
BMW E87 LCI ECU Body Control Module Unit H2 9226331
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Part no. A2115420418
Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
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Part no. A6421509478-2
Mercedes W164 ML320 4-Matic OM642.940 Diesel Engine Unit ECU Kit A6421509478 Key
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Part no. STAG QBOX
STAG QBOX Basic LPG CNG 4-Cylinder Control Unit Module Injection Controller ECU
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Part no. A2118702085
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
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Part no. 9284284
BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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Part no. AG9T-14324-UC
Battery Cable Ford S-Max Negative Lead Wiring Harness Cable AG9T-14324-UC
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Part no. 8517862-8
BMW F10 F11 520d ed N47N 184HP Engine ECU Kit DDE 8517862 Key CAS4 Manual
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Part no. 5Q0907530L
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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Part no. 1T0971693BM
Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
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Peugeot Boxer 2.2 HDI Diesel Engine Wiring Cable Loom Harness BU3T-12B637-CCB
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Part no. 9159808
BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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Part no. A2059008618
Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
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Part no. A2035450701
Mercedes W203 Fuse Box Rear SAM Module Relay Control Unit A2035450701
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Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009827008
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Part no. 6962720
BMW 7 Series E65 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6962720
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Citroen Relay III Alternator Generator Valeo 9805343480
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Ford Transit Connect MK2 1.5 TDCI 101HP Engine Unit ECU GV6112A650KA Manual
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BMW F10 F11 306HP N55 535i ECU Engine Control Unit Module DME 7620419 Manual
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BMW E64 E89 B-pillar Sensor Left N/S 6942101 6945157
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BMW E90 ECU Body Control Module H1 61356983302 6983302
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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Mercedes-Benz W245 Front Bumper Parking Sensor Parktronic Wiring Cable Harness
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Mercedes W205 X253 Distronic Radar Sensor Cruise Control Unit Module A0009005109
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Vauxhall Opel Astra G Engine Control Unit ECU Module Petrol Automatic 09391340
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BMW 7 X5 Series E53 E65 Bulb Parking Light Headlight Front Lighting Cover
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VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
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Volkswagen VW Caddy Radio Remote Control Alarm Key Fob Control Unit Module
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Mercedes R171 Air Module SRS Control Unit Crash Sensor ECU A1718207326
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Part no. 1638095180
Peugeot 206 Engine Alternator Generator 1638095180
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Part no. 7835735
BMW E46 M3 Z4 E85 M3.2 Engine Starter Motor Valeo 7834214
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Part no. A2711500620
Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711500620
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Part no. 7520321
Engine Wiring Loom Mini R50 Petrol W10 Module Harness Cables 7520321
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Part no. 7567321
BMW E81 E87 LCI E90 116i 316i 1.6 N45N ECU Control Unit DME 7567321 Manual
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Part no. A2025400231
Mercedes CLK W202 W208 Battery Negative Earth Cable Wiring A2025400231
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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 .