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. 7545789-11
Mini One R50 R52 W10 1.6 90HP Engine ECU Control Unit DME 7545789 Automatic
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Radio CD Player Citroen Relay Peugeot Boxer Unit Fiat 250 VP2 DAB 07355857920
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BMW E60 E61 E63 E65 E83 Alternator Generator VALEO 170A 7797521
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Mercedes W169 Door Control Module Front Right O/S A1698208026
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BMW Z4 Series E89 AUX USB Lead Cable Wire 9303638
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BMW 6 Series E63 Body Gateway Module KGM HIGH LEAR 9118729 61359118729
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219067200
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BMW E93 Body Control Module ECU Unit JBBFE IIIR H4 PL2RR 9270386
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Mini Cooper D R55 R56 Diesel W16 1.6 ECU Kit DDE 7810909 CAS3 + Key Manual
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Mercedes W204 C180 BlueEFFICIENCY M271.820 156HP Engine Control Unit ECU
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BMW 1 Series E88 Footwell Light Control Module ECU PL2 FRM II Lear 9197178
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Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 + Key Manual
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BMW 6 SERIES E64 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6962720
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Mini Cooper R50 R52 Control Unit Module Lever Gearshift Automatic Gearbox
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BMW F80 M3 F82 M4 Wheel Accelerator Sensor Cable Rear Axle Suspension 7850599
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Part no. 7527610-8
MINI One R50 1.6 W10 90HP Engine ECU Kit DME 7527610 EWS Key Automatic
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Mercedes W169 A150 M266.920 95HP Engine ECU Kit Key Lock A2661536379 Automatic
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Part no. RHD-8T2035666JX
Audi Q5 8R Sat Navi Stereo Radio Audio MMI Head Unit CD Player 8T2035666F
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BMW 1 Series E81 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9197175
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Part no. 7550688-4
BMW E87 E90 116i 316i N45 1.6 116HP Petrol ECU KIT DME CAS2 Key 7550688
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BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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Part no. 7520019-8
Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Automatic
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Part no. rhd-6973913
BMW E63 E64 Front Right O/S Driver Side Door Cable Harness Wiring 6967975
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Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
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Part no. 7557395-12
Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Automatic
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BMW 5 Series E60 E61 Battery Cable Lead Positive Underfloor 6927703
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Display Screen Volvo S60 V60 II Multimedia Navigation Dashboard Unit 31328247
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Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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Part no. 7700433948
Renault Master Trafic Radio Stereo CD Player Head Unit 7700433948
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Part no. A1645407901
Mercedes V251 Gateway Module Control Unit ECU A1645407901
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Part no. 7587465
IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465
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Part no. 6948920
BMW 5 6 Series E60 E61 E63 E64 Motorola Telematics Module Control Unit 6948920
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Part no. 6989782
BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768
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Part no. 9387226
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9387226
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Part no. 8574093-2
BMW F20 F30 120d 320d 184HP N47N Engine ECU Kit DDE 8574093 FEM Key Manual
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BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 9117532
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Part no. Starline 70Ah Accumulator-2
Starline 12V Accumulator Battery 70Ah 640A
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BMW X5 X6 F15 F16 Power Battery Distribution Junction Box Control Unit 9285508
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Part no. A1718203626
Mercedes R171 Air Module Control Unit ECU SRS Module Trigger Device A1718203626
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Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018
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BMW X1 E84 Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Part no. 8600124-3
Mini Cooper R56 LCI R60 N16 Engine Control ECU DME 8600124 CAS3 Key Manual
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Part no. 2622876
Amplifier BMW X4M F98 G02 X3 G01 Harman / Kardon Surround Sound Top Hifi 2622876
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VDC Module BMW F10 F11 F13 F06 Rear Suspension Level Control Unit Module 6855951
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BMW E65 750i N62N 367HP ECU Control Unit Kit DME 7549700 + CAS + Key Automatic
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Part no. 9387561
Head Unit BMW I3 I8 Mini F56 Navigation Sat Nav DAB High Control Module 9387561
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Part no. A2129001829
Mercedes C207 W212 Front Right Door O/S Control Unit Module A2129001829
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Part no. 3455539-2
Mini Cooper R55 R56 R57 2 Radio Boost CD Audio Player Head Unit 3455539
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Part no. 7545789-14
MINI Cooper R52 R53 W11 170HP Engine ECU Control Unit DME 7545789 Manual
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Part no. 8598759-2
BMW F20 F30 LCI 116d 316d Diesel B37 ECU Engine Control Unit DDE 8598759 Manual
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Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601
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Part no. 8506951-2
BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Part no. 7842487-1
BMW 3 Series E90 E92 E93 M3 S65 420HP ECU Kit DME + CAS3 + Key 7842487 Manual
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9329953
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BMW 3 Series E90 E91 E92 Engine Wiring Harness DDE 7796074
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Mercedes SLK R172 Pedestrian Protection Impact Crash Sensor Module A1729058300
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Air Module Mercedes W213 S213 W238 SRS Control Unit ECU A2139007105
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Part no. 3457577
Fuse Box MINI R61 Paceman PL3 SPEG H4 Distribution Control Unit 3457577
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Mercedes W166 Control Unit Bracket Boot Trunk Module Unit Mount A1669006405
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Mercedes-Benz C M Class W163 W203 ESP Yaw Rotation Rate Sensor A0025428918
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Part no. 9264636-1
BMW 1 3 4 F20 F30 F32 1 Driver Side Seat Wiring Loom Electric Harness 9339286
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Mercedes CL203 M271 Automatic Gearbox EGS Control Module Unit ECU A0015454416
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Part no. 9283673
Mini R58 R59 Wiring Set Loom Harness PDC Rear Bumper 9283673
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Part no. 9362394
BMW 1 3 4 Series F20 F21 F30 F31 F32 Body Control Unit Module REM 9362394
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Part no. rhd-7840547
BMW 3 Series E90 E92 E93 M3 Dual Clutch Gearbox Wiring Harness Cable 7840547
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Part no. 8V0907357A
Audi A3 8V Headlight Range Cornering Adjustment Control Module 8V0907357A
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Part no. 7803373-4
BMW E60 E87 E90 120d 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 CAS3 Key
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Part no. HALFORDS-AGM-92AH
Halfords Advanced AGM 019 Start Stop Car Battery 12V 92Ah 850A
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Part no. A0009050054
Mercedes A-Class W169 Battery Lead Wire Cable Negative A0009050054
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Part no. 9224673
BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673
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Part no. 9261962-1
Pedestrian Protection Sensor BMW F10 F11 Front Bumper Crash Impact Unit 9261962
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Part no. 7583332-4
BMW E82 E90 E91 E92 135i 335i N54 306HP ECU Kit DME 7583332 CAS3 Key Automatic
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Part no. 7575650-1
Alternator Mini Cooper R55 R56 R57 R57 R58 Generator Petrol 7575650
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Part no. 9204536-1
BMW E90 Footwell Light Module ECU Control Unit PL2 FRM Lear 9204536
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Part no. 9184560
BMW 7 Series E65 E66 Seat Control Module 9134633 9184560
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Part no. TS14E110
Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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Part no. 7789980
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. A0285454032
Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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BMW F07 GT Light Control Footwell Module Unit ECU FRM III 9236459
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Part no. 3453744
Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3453744
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Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201
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BMW Banner AGM 12V Accumulator Battery 80Ah 800A 7602226
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Mercedes W211 Central Gateway Module Control Unit A2115405645
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Part no. 7599881-11
BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + Key
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BMW 3 Series E90 E91 E92 E93 Board Monitor Navigation Screen 8,8" 9179807
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Mercedes-Benz C W203 CL203 M111 Engine Wiring Harness Loom Cable A2035401905
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BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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BMW E88 Convertible Antenna Aerial DAB Rear Trunk Tailgate 9127895
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Part no. A6519064800
Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Part no. 9329701-1
BMW F20 F21 F30 F31 F32 1 Body Control Unit Module REM 9329701
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Part no. 5M0035724
Volkswagen VW Golf Mk6 1K Aux Socket Port Switch 5M0035724
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Part no. 6827064-6
BMW E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. rhd-7571148
Mini Cooper One D R55 R56 W16 Positive Battery Power Cable Lead Wire 7571148
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Part no. 6924555
BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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Part no. 9321980
BMW Banner AGM 12V Accumulator Battery 105Ah 950A 9321980 7604808
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BMW 5 6 Series E60 LCI E63 CHAMP Business System Controller CD Player 9176832
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Part no. 6972084-1
Mini R50 R52 R53 Sat Nav GPS Dashboard Display Head Unit Frame Cover 6972084
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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 .