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. 9164379

BMW E82 Amplifier Hifi Audio Speaker System 9164379

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6945147

BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6945147

PLN 28.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9316575

BMW 1 2 Series F20 F21 F22 Battery Cable Lead Positive Underfloor 9316575

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9387624

BMW F20 F21 F30 Sensor Rain Light Solar Condensation 9387624

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6821404

High Voltage Cable BMW F45 Mini F60 Hybrid Plugin Alternator 6821404

PLN 1,424.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9214813

BMW X5 E70 Safety Airbag Control Unit Module ECU X6 E71 Bosch 9214813

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6796503

BMW F07 GT ICM Integrated Module Chassis Management QL ES Control Unit 6796503

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8621190

BMW F20 F22 F30 LCI Electric Line Cable Power Distribution Module 8621190

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6995617

BMW F40 F44 G20 G21X5 G05 X6 G06 Immobilizer Emergency Start Coil 6995617

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7811176

Wiring BMW X3 F25 Automatic Gearbox Module Engine Wiring Harness 7811176

PLN 378.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 1378238-1

BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8489325

BMW i3 I01 94Ah Rex Hybrid Basic Control Unit Module ECU 8489325

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8509757-1

BMW F07 530d F01 730d N57 245HP Engine ECU Kit DDE 8509757 CAS4 Key Automatic

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8576341-10

BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9145102

BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC 9145102

PLN 161.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8631672

BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness

PLN 663.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8513157

Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6826790

BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9387565

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 1742690

BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6927706

BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9488418

Adblue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9488418

PLN 170.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8376443

BMW X3 X5 Z4 E46 E53 E83 E85 Switch Cluster Steering Column 8376443

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8672514-1

BMW F80 M3 F82 F83 M4 431HP Engine Control ECU Kit DME 8672514 + FEM Module Key

PLN 4,749.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9206056-TS

BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8506281-2

BMW E87 LCI E90 116d 316d N47 Engine ECU KIT DDE 8506281 + CAS3 + Key Manual

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7222633-1

BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9316568

BMW X5 F15 X6 F16 Front Fuse Box Relay Module Control Unit 9316568

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9231399

Camera Module BMW F01 F07 F10 F11 F12 Based Assist Systems Control Unit 9231399

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9361116

BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9361116

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6954130

BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Right O/S 6954130

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9352786

BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9352786

PLN 712.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8514032

BMW X3 F25 X4 F26 Diesel B47 Alternator Starter Wiring Holder Cover 8514032

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6931507

BMW E60 E61 E63 E87 E90 E91 F10 Diagnosis Interface Most 6931507

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8507893

BMW 1 2 3 Series F20 F21 F22 F30 F31 N47N Wiring Loom Harness Engine 8507893

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9343259

B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9353421

BMW F11 LCI Body Control Module Unit V7 PL6 JBBFE III 9353421

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6930302

BMW E60 E61 E63 E64 Actuator Ventilation Motor Heater Right O/S 6930302

PLN 42.95

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. 8582280-3

BMW F20 F21 116d N47N 116HP ECU Kit DDE 8582280 + Key + Lock + FEM Manual

PLN 1,234.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9162930-WB

BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 5A19AC3

BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A19AC3

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9127088

BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8676222

BMW 3 F30 LCI Hybrid 330e Battery Starter Connecting Lead Cable Wiring 8676222

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8510829-3

BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8589168

Alternator Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589168

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9342033

BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9248369

Radio Player BMW F10 F11 F12 Alpine CD Champ Head Unit Controller 9248369

PLN 322.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9304007

BMW G30 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 9304007

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6925715

BMW 1 3 Series E81 E82 E87 E90 E91 E92 Positive Battery Terminal Cover 6925715

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7835892

BMW 5 6 Series E60 E61N M5 E63 M6 Cable Starter Base B+ Engine Battery 7835892

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8092797

Engine Wiring BMW F87 M2 F82 F83 M4 S55 Loom Module Harness Cable 8092797

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9200944

BMW 3 X1 E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9200944

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6864927

BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6950131

BMW X3 E83 Z4 E85 Front Rear Door Mid-range Audio Loudspeaker 6950131

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7557027

BMW X5 E70 X6 E71 E72 Battery Earth Cable Wiring Loom 7557027

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 5A07600

BMW F40 Heater Air Conditioning System Control Unit Module 5A075F7

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7607454

Battery Insert BMW F13 F12 F06 Battery Crashpad Foam Insulator 7607454

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512043-1

BMW E90 E91 LCI 318d N47N ECU Kit DDE 8512043 + CAS3 + Key Manual

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7391042

BMW F10 F30 X1 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 7391042

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6922262

BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6922262

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6933264

BMW E65 E66 Control Unit Door Rear Passenger Side 6933264

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3452285

BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"

PLN 1,234.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8373700-3

BMW E60 E63 E87 E90 E91 5X Relay Make Contact White Green Set 8373700

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 2751617

Mini R56 R57 Battery Valve Breather Vent Hose Pipe R55 2751617 1377745

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9124583-KAS

BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor Kaschmir Silver A72 9124583

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3428557

BMW Z4 E86 Alarm System Ultrasonic Roof Control Module 3428557

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8046454

BMW E81 E82 E87 E90 PDC Ultrasonic Sensor Front Rear Melbourne Red - A75 8046453

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7796892

BMW E60 E61 X3 E83 X5 E70 X6 E71 Starter Motor Diesel 7796892

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8585729

BMW 3 Series F30 320d N47N Engine Gearbox Module Wiring Loom Harness Cables Set

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6751504

Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8574351

BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9207416

BMW X6 E71 Map Card Fuse Box Grouping Diagram 9207416

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512498-5

BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual

PLN 854.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9266409

Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 9266409

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. E93-RADIO

BMW E93 Head Unit Radio Player Navigation Control Module 5A2BF31

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9315080

BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9257426

Fuse Box Grouping BMW F10 F11 Fuse Placement Map Card Diagram 9257426

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 2383676

Battery Cable BMW F22 Negative Earth Cable Minus Electrical Wire 7625999

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8510592-1

BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS3 Key 8510592

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9229873

BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9229873

PLN 180.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7848467

Engine Wiring BMW F80 M3 F82 F83 M4 S55 Loom Module Harness Cable 7848467

PLN 522.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8509722-2

Control Unit Box BMW F20 F21 F22 F30 F31 Cover Panel Protection 8509722

PLN 28.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9281722

BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9281722

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6989713-1

BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6921309

BMW E65 E66 Centre Console Front Armrest Tray Cables Wiring Set 6921309

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7802928

BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6929916

BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8514120

Preheating Control BMW F20 F21 F30 F31 LCI B47 Glow Plug Unit Diesel 8514120

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9240508

Fuse Map BMW X5 X6 E70 E71 Assignment Grouping Card 9240508

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9345330

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9345330

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9338800

iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8581370-1

BMW F40 Mini Cooper F56 F57 F60 Bracket Control Unit Box Engine 8581370

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7795638

BMW 3 E90 E91 E92 E93 Cable starter-base B Diesel 7795638

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6945145

BMW E60 E61 E63 Air Control Module Passenger Side Door 6945145

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

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Showing 1585-1683 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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