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.

Automotive electrical systems

At 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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Products in promotion

Part no. 7607705

Mini Cooper One R56 N16 Automatic Gearbox Basic Control Unit EGS 7607705

€90.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3448466

Mini Cooper R55 R56 Control Unit Module Passive Go 3448466

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8517727

Mini Cooper D R60 N47N Engine Control Unit ECU 8517727 Manual

€66.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8604258

Mini Cooper R56 Positive Battery Cable Alternator Lead 8604258

€89.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8631833

Mini R55 R56 R57 LCI R60 Automatic Gearbox Basic Control Unit EGS 7356237

€37.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7571142

Plus Cable Wiring Mini Cooper R55 R56 R57 Battery Lead Power Positive 7571142

€23.95

Free delivery - Thu, Dec 18

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Part no. 8654460

Mini Cooper F54 F55 136HP Petrol B38 Engine Control ECU DME 8654460 Manual

€279.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9270354

Mini F54 F55 F56 F57 F60 Rear Electric Power Distribution Fuse Box 9270354

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2755704

Genuine BMW Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704

€23.95

Free delivery - Thu, Dec 18

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Part no. 3456995

Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456995

€237.95

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Part no. 3453293

Mini Cooper One R56 SPEG PL3 M2 Fuse Distribution Box 3453293

€104.95

Free delivery - Thu, Dec 18

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Part no. 3457403

BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403

€170.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6923207

Mini Cooper One R50 R53 Alarm System Inclination Sensor III

€23.95

Free delivery - Thu, Dec 18

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Part no. 8678967

Mini Cooper R56 Petrol Engine Installation Wiring Loom Harness 8678967

€47.95

Free delivery - Thu, Dec 18

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Part no. 8506666-5

Mini One R56 LCI 90HP N47N Diesel Engine ECU Control Unit DDE 8506666 Manual

€89.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2757722

Mini Cooper R57 R58 R59 Control Unit Module Bracket Holder PGS 2757722

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8648846

BMW F39 F45 F48 LCI Mini Cooper F60 Negative Earth Ground Cable 8648846

€51.95

Free delivery - Thu, Dec 18

If paid before 14:00

Ignition Coil Mini R50 R52 R53 Petrol W10 Coil Pack Module Unit 7510738

-5%

Part no. 7510738-7

Ignition Coil Mini R50 R52 R53 Petrol W10 Coil Pack Module Unit 7510738

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984

-5%

Part no. 1472984-1

Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7525434

Mini R52 R53 W11 Battery Cable Wire Harness Starter Base B 7525434

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9283526

Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283526

€189.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6975044

BMW Mini Cooper One R50 Cable Wiring Loom Door Front Left N/S 6962777

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9364638

Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9364638

€123.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9387226

Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9387226

€161.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6770600

Mini R55 R56 Gearbox Clutch Cylinder Control Cylinder Unit 6770600

€32.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6824117G

Mini F60 Hybrid High Voltage Battery Wiring Loom Harness 6824117G

€32.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7515197-1

Mini Cooper One R50 W10 Battery Cable Wiring Plus Pole 7515197

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

-5%

Part no. 1472984-3

Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6974246

BMW MINI Cooper Clubman R55 R55N LCI Retaining Bracket Safety Belt Rear Right

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8512415

Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine Control Unit ECU DDE 8512415

€51.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8583423-5

Mini Cooper D R60 R61 ALL4 N47N 2.0 143HP Engine ECU DDE 8583423 Automatic

€113.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 1508931-1

Mini Cooper S R53 Positive Battery Cable Plus Pole Wiring Loom Harness 1508931

€80.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6975069

Mini Cooper One R50 R52 R53 Cable Door Right Wiring Harness Loom 6975062

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3456365

Roof Security Alarm Mini R55 R56 One Ultra Sonic Module 3456365

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7625474

MINI Cooper F55 F56 F57 F60 Battery Mounting Bracket Part Holder 7625474

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8617722

Wiring Harness BMW F48 Mini F55 F56 B38 Petrol Engine Servotronic Module 8617722

€32.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2751265-7

Cable Wiring Mini R55 R56 Headlight Lamp Front Left N/S Plug Socket 6913653

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8644492

Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 2 Harness 8644492

€70.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8486547

Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT

€427.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9344087

Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558

€284.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3457490

Mini Cooper Paceman R61 High SPEG Fuse Distribution Box H4 3457490

€165.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9805533

Mini R60 Rear PDC Ultrasonic Parking Sensor Royal Grey Metallic 9805533

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3456872

Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456872

€256.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2752518

BMW Mini Cooper R55 R56 Control Unit Module Bracket Holder PGS 2752518

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9824925

Mini F55 F56 F60 LCI Navigation Touch Screen 8.8" Display Nav Head Unit 9824925

€664.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7589971-1

Mini One R55 R56 N12 1.4 95HP ECU Engine Control Unit DME 7589971

€94.95

Free delivery - Thu, Dec 18

If paid before 14:00

Mini Cooper R55 R56 R57 Battery Cable Wiring Lead Power Positive 7571142

-5%

Part no. 7571142-1

Mini Cooper R55 R56 R57 Battery Cable Wiring Lead Power Positive 7571142

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9230680

BMW Mini Cooper One R55 R56 R57 CD Changer 6 Disc Player 9167081

€70.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9354289

BMW F45 F46 Mini F60 Sensor For Pedestrian Protection PTS Control Unit 9354289

€104.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7534704

Mini Cooper One R50 R52 Kabel Generator Starter Anlasser BOSCH 7534704

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3456601-1

Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456601

€265.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9395949-1

Radio Player Mini F54 F55 F56 Stereo Head Unit Module Alpine 9395949

€142.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 1513396

Mini Cooper One S R50 R53 Door Cable Harness Wiring Loom Left N/S 1513396

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. H2862N-P

Mini R56 R57 R58 R60 Display Screen 9 inch Android Surround Panel H2862N-P

€284.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2753031

Mini Wiring Loom Harness Cable Plug Connector Socket Input 2753031

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9137703

Mini Cooper One R55 R56 Door Wiring Harness Factory Right O/S 9137703

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 5A56078

Mini F55 F56 Ignition Lock Barrel Key Unit 5A56078

€47.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7790879

MINI Cooper D One R50 Alternator Generator 7790879

€85.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8648856

BMW F39 F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648856

€47.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7510921

Mini R52 Cabrio Petrol W10 Engine Wiring Loom Harness Module 7510921

€32.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3455305

Mini R57 R57N R58 R59 DWA-Alarm System Relay ECU 3455305 65753455305

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9350336

BMW F06 F12 F13 F80 Mini F56 Radio CD Player Head Unit 9395949

€75.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9399466

Mini F54 F55 F56 F57 F60 Telematics Control Unit Module 84109399466 9399466

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 406349

Mini Cooper One R50 R52 R53 iPod Interface Control Unit Module 0406349

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9213374

Mini R55 R56 R57 Cover Power Distribution Fuse Box 9213374

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6820386

Mini F54 F55 F56 Operating Unit Audio Radio Control Switch Panel 6820386

€474.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6778809-1

Mini Cooper One R55 R56 R57 Xenon Headlight Level Sensor 6778809

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6835346

Mini F60 Rear Door Harness Loom Cable Wiring Left Right N/O/S 6835346

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9808786

Mini Paceman R61 Front Right O/S Window Lifter Mechanism Motor Regulator 9808786

€32.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 5A04A04

Mini F54 F55 F56 F60 Telematics Module Bluetooth Control Unit ECU 5A04A04

€42.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6821970

Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 6821970

€237.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9338153

Mini F54 F60 Clubman Countryman Antenna Aerial Amplifier AM / FM Unit 9338153

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3456625

Mini R56 MMI Multimedia Switch Button Panel Radio Reader Boost CD Player 3456625

€332.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2754241

Mini Cooper R55 R56 R57 R60 R61 Engine Computer Mount Support Bracket Holder

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Mini One D R50 W17 Base B+ Battery Terminal Point Engine Compartment 7790996

-5%

Part no. 7790996

Mini One D R50 W17 Base B+ Battery Terminal Point Engine Compartment 7790996

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7792130

BMW Mini Cooper One R50 R52 R53 R55 R56 R57 Earth Ground Cable 7792130

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2755095

Mini Clubman R55 Amplifier Holder System HiFi Stereo Audio 2755095

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7534705

Mini R50 R52 Ground Battery Cable Alternator Starter 7534705

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9137800

Mini Cooper One R55 R56 R57 Passenger's Door Harness Wiring Cables N/S 9137800

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 1480790-2

Mini Cooper One R50 R53 Fuse Relay Electrical Box Housing Without Cover 148079

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3457434-1

Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434

€237.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6800903

Mini R50 R52 R53 Steering Wheel Horn Switch Right O/S 6800903

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8486547-2

Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT

€379.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8644475

BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8644475 12638644475

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6956020-2

Mini Cooper One Convertible R52 Rear Bumper PDC Wiring Parking Sensor Loom Cable

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7799146

Mini R55 R56 Alternator Supporting Bracket Mount Generator Diesel W16 7799146

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6805893

Mini F60 Countryman Door Wiring Harness Rear Left Right N/O/S 6805893

€37.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8617707

BMW Mini Cooper F55 F56 Wiring Harness Engine Supply Module Cable Loom 8617707

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 5A1B272-1

Mini Cooper F60 SE ALL4 B38X 220HP Engine Control ECU DME 5A1B272 Automatic

€427.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7212916

Mini R57 Cabrio Convertible Wiring Set Loom Harness PDC Rear Bumper 7212916

€66.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7522284

Mini Cooper One R50 R52 W10 Battery Cable Plus Pole 7522284

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3448379

Mini R55 R56 R57 R58 R60 R61 Control Unit PDC Parking Sensor Module 3448379

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3450085

PDC Control Unit Mini R55 R56 R57 R58 R60 R61 Parking Sensor Module 3450085

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9319433

Mini R61 Sat Navi Stereo Radio Audio Head Unit Player 9319433

€284.95

Free delivery - Thu, Dec 18

If paid before 14:00

Mini R58 Door Module Harness Wiring Loom Cable Set Driver's Side 3456478

-5%

Part no. 3456478

Mini R58 Door Module Harness Wiring Loom Cable Set Driver's Side 3456478

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9270034

MINI Cooper One F55 F56 F57 Rear Antenna Aerial Amplifier DAB 9270034

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8571036

Mini F54 F55 F56 F57 Wiring Harness Engine Supply Module 8571036

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9807759

Mini Cooper R60 Wiring Passenger Loom Front Door Cables Left N/S 9809480

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7539787

BMW Mini Cooper R55 R56 R57 R58 Negative Battery Cable 7539787

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

...

Showing 199-297 of 976 products

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 .

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