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. 9335300

BMW 1 Series F20 LCI Front Door Wiring Loom Harness Passengers Side 9335300

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8385159-1

BMW X3 E83 E46 Battery Cable Holder Mounting B Base Trim Carrier 8385159

PLN 43.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7604347

BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347

PLN 46.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8380407-1

BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9367376

Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9139868

BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Schwarz Black 9139868

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9205895

BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9205895

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6952914

Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 35962

BMW X3 Series E53 E83 iPod Interface Retrofit Connection Module 0035962

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6928369

BMW E60 Dashboard Solar Receiver Sensor Plug Socket Wiring 6928369

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9238195

Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512499-4

BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Automatic

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6958446

BMW E65 E66 E67 Control Unit Door Front Passenger Side Module ECU 6958446

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7823310

BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9216468

BMW F10 F11 F20 F30 F31 Front Seat Heating Control Module ECU 9216468

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9293307

BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9288769

BMW F20 F22 F30 Sound Speaker Front Door Audio Mid Range Stereo HiFi 9288769

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9176882

BMW E87 LCI Body Control Module Junction Box Electronics H2 9176882

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7789222

BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 Cable Alternator Starter

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8509105

BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6957762

BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9210861

BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9314234

BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9314234

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6936649

BMW 1 3 X1 Series E81 E84 E87 E90 E91 LCI Power Distribution Box Black 6936649

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9261598

BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Valencia Orange Metallic B44

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9264974

BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8377656

BMW X5 Series E53 Amplifier Trap Circuit 65258377656 8377656

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8631637

Earth Ground Cable BMW i3 I01 Battery Starter Terminal Wiring 8631637

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9204849

BMW X5 X6 Series E70 E71 Airbag Control Module ECU Unit 9204849

PLN 65.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8384525

BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384525 6920648

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9247130

BMW F11 Touring Antenna Aerial Diversity Amplifier Unit 868 MHZ 9247130

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8573779-1

BMW F30 330dX 258HP N57N Control Unit Module ECU DDE 8573779 Key FEM Automatic

PLN 1,329.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9261606

BMW 1 2 F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Mineralweiss White A96

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9230046

BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046

PLN 150.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6904165

BMW X5 E53 Front Dashboard Centre Console Lighter Wiring Loom Harness 6904165

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9293242

BMW 3 7 Series F01 F02 LCI F34 Telematics Control Unit Module TCB ECE 9293242

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7619143

BMW F20 F21 F30 F31 Valvetronic Servomodule Wiring Cable Loom Harness 7619143

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8583091

BMW X5 E70 G11 Integrated Supply Module Ecu Control Unit 8583091

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6960803

BMW E65 E66 E67 Control Unit Voice Input System Module 6960803

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6950364

BMW E65 E66 Front Right Door O/S Wiring Harness Carrier 6950364

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7111904

BMW X5 E53 Front Driver Seat Memory Electric Wiring Loom Harness 7111904

PLN 161.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8681185

BMW F40 F44 F46 X1 F48 Mini F54 F56 F57 F60 Engine Wiring Loom Harness 8681185

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6951674

BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Sparkling Graphite A22

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6941430

BMW 5 6 Series E60 E63 Passenger Door Airbag Control Module N/S 6941430

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8707750

BMW F20 F21 F22 F23 F87 M2 Body Domain Controller BDC Module FEM 8707750

PLN 1,234.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6981416

BMW E87 E90 E91 CAS 2 Control Unit ECU Key Reading Module 6981416

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3417160

BMW X3 E83 LCI Cable Alternator Starter Base B 3417160

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9308292

BMW 3 Series F30 F31 Battery Cable Wire Lead Positive Underfloor 9259326

PLN 617.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9380885

BMW 1 3 4 F20 F30 F32 Control Unit Air Conditioning A/C Module 9380885

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 5A0FAD6

BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7561834

BMW 1 3 E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Manual

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8352336

BMW X3 X5 E39 E46 E60 E61 E83 E90 E91 Glove Box Torch Charger Sock 8352336

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9181455

BMW X1 Series E84 Antenna Aerial Noise Suppression Filter 9181455

PLN 46.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7579155-1

Starter Motor BMW X5 E70 LCI X6 E71 Z4 E89 N20 N55 Petrol Engine 7579155

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9302256

BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 9302256

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9236518

BMW PDC E81 E87N LCI Wiring Front Bumper Parking Senors Harnes Loom 9236518

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8506373

BMW X3 Series E83 LCI 1.8d N47 Engine Control Unit ECU Module DDE 8506373 Manual

PLN 617.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9348356

BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9348356

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6977398

BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398

PLN 13.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6968650

BMW 3 Series E93 E93N LCI Aerial Antenna Amplifier FM/AM Right O/S 6968650

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7796127

BMW X5 X6 Series E70 E71 Diesel Battery Cable Starter-Base B+ 7796127

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6856314

BMW 1 3 Series F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8570659

Wiring BMW X3 F25 N47N Engine Automatic Gearbox Module Wiring Harness 8570659

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6820234

Air Conditioning Module BMW F20 F21 F30 F31 A/C Control Unit 6820234

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9244261

Module BMW F10 Central Gateway Control Unit Module ZGW-01 High 9244261

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7619144

Engine Wiring BMW F10 F20 F21 F30 N20 Loom Harness Ignition Module 7619144

PLN 246.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6915327

BMW E46 E39 E60 E81 E87 E90 E91 F10 F20 F30 Relay Make Contact Sky Blue 6915327

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7599881-9

BMW E87 LCI E90 118i 318i Petrol N43 143HP ECU Control Unit DME 7599881

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9268438

BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7580334

Earth Ground Cable BMW F10 F11 F13 F01 Battery Cable Engine Wiring 7580334

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9352750

BMW X6 F16 F86 Camera Kafas Front Windscreen Camera Module 9352750

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9234087

BMW E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor Control Unit 9234087

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7640132

BMW F20 LCI F30 F56 Alternator Generator DENSO 150A 7640132

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9236519

BMW 1 Series E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9236519

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512500-1

BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8512500 CAS3 + Key Manual

PLN 1,424.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6900583-1

BMW 7 Series E65 E66 Cable Wire Power Distribution Box 6900583

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8577834

BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic

PLN 617.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6921979

Door Module BMW E65 E66 E67 Front Door Control Unit Passenger Side 6921979

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6920472

BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7549393

Negative Cable BMW E81 X1 E84 E87 E90 E91 E92 E93 Ground Earth Battery 7549393

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6925942

BMW E60 E61 Cable Loom Door Wiring Harness 6925942

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9152262

BMW X5 E70 X6 E71 Front Crash Impact Sensor Module 9152262

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6906618

BMW E60 E61 E63 E64 M5 M6 Power Distribution Fuse Box Rear 6906618

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9134667

BMW X5 E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9134667

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6803169

Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 6803169

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9296975

BMW X5 F15 Control Unit Bracket Boot Trunk Module Unit Mount Holder 9296975

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6977679

BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9255048

BMW 1 Series E81 E87 E87N Battery Wire Cable Negative Earth Lead 9255048 6929705

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6927270

BMW 5 Series E60 Seat Control Unit Module Left Right N/O/S Temic 6927270

PLN 132.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9328591

BMW X6 F16 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9328591

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6865245

BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6865245

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6957347

BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Left N/S

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9496815

Front Impact Sensor BMW F70 G05 G14 G15 G29 Safety Crash Module Unit 9496815

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7180426

Fuel Pump Control Unit BMW E60 E81 E87 E90 E92 Module Sensor ECU 7180426

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7541009

BMW E90 E90N E91 E91N E92 E92N E93 LCI NOX Wiring Loom Cable 7541009

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7641649

BMW F10 F20 F30 N20 125i 328i 528i N20 Wiring Harness Engine Module 1 7641649

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8584817

BMW G20 G21 G01 G02 Wiring Harness Engine Glow Plug Module 8584817

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7316147

BMW F30 F31 F34 Headlight Module Xenon Headlamp Control Unit Lear TMS 7316147

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6989080-OLI

BMW E65 E66 E67 PDC Rear Parking Sensor Ultrasonic Olivin Metallic

PLN 155.95

Free delivery - Mon, Nov 24

If paid before 14:00

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Showing 1486-1584 of 4686 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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