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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Part no. 9151516

BMW E60 E63 E64 LCI Body Control Unit Module 9151516

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8636064

Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3453247

BMW X3 E83 E90 Engine Automatic Gearbox Module Wiring Cable Loom Harness 3453247

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8385498-1

BMW 7 Series E65 E66 E67 Support Bracket Navigation Computer 8385498

PLN 46.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8579480-1

BMW F20 120d F30 320d F10 520d N47N 184HP Engine Control Unit DDE 8579480 Manual

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6971884

BMW X5 X6 Series E70 E71 Front Central Bass Subwoofer Speaker HiFi 6971884

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6774206

Active Cruise Control BMW E90 E91 E92 LCI Longitudinal Dynamic Module 6774206

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9226357

BMW F20 F21 F30 TOP HIFI Loudspeaker Tweeter Harman Kardon 9226357

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9239212

BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9239212

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9290804

BMW F20 F22 F30 F32 Module ECU Control Unit FEM Fuse Box 9290804

PLN 759.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8578945-2

BMW F20 F21 F30 F31 116d 316d N47N 116HP ECU Kit DDE 8578945 Key FEM Lock Manual

PLN 1,424.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8582155-3

BMW F20 F30 F32 120dX 320dX 420dX 184HP N47N Engine ECU 8582155 Automatic

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9231518

BMW F31 Antenna Aerial Diversity Trap Circuit 9231518

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6974631

BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. F20 F30 PLUG SOCKET LOOM PDC

PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness

PLN 95.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 37820-P73-013

Honda Integra Type R JDM DC2 Engine Control Unit Module ECU 37820-P73-013

PLN 1,329.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8576333-2

Engine Unit ECU BMW F20 F30 F32 120dX 320dX 420dX N47N 184HP DDE 8576333 Manual

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6822582

BMW 3 Series F30 Head Unit Basic Media Navigation Headunit 6822582

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9264573-1

BMW E81 ECU Body Control Module Unit Junction Box H2 PL2 RR JBBFE 9264573

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9298960

REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9188853

BMW X5 E70 X6 E71 Battery Earth Cable Ground - Pole Lead L= 490MM 9188853

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8373700-1

BMW E60 E63 E87 E90 E91 2X Relay Make Contact White Green Set 8373700

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9317866

BMW 3 Series F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6956746-MB1

BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Set x4 Monaco Blau - A35

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6970090

BMW E63 E64 Start Stop Switch Wiring Harness Cable Loom Connector 6970090

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7843332

Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332

PLN 522.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9383178

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9383178

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6983075

BMW F01 F07 F10 F30 LCI Fan Motor For Amplifier Control Unit Module Controller

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9217234

Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3437180

BMW E83 Telephone Bluetooth Roof Aerial Module Control Unit 3437180

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6956744-1

BMW E81 E82 E87 E88 E90 E91 Parking Sensor PDC Sydneyblau - A19 6956744 SET X2

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8386708

BMW X5 Series E53 Xenon Headlight Ballast Control Unit Module Hella 8386708

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8592700

Glow Plug Wiring BMW F48 Mini F57 Wiring Harness Engine Module 8592700

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7811111

BMW X3 E83 LCI 2.0d N47 177HP Engine Module ECU Kit DDE 7811111 Automatic

PLN 1,424.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9270355

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9253477

BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE IIIR 9253477

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7514342-1

BMW 5 Z4 Series 1 E34 E85 Base B Terminal Point Engine Compartment 7514342

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7850995

Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9331597

BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9274023

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9274023

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8518569

BMW F20 F21 F30 F31 N47N 116d 316d ECU Control Unit Module DDE 8518569 Manual

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9128573

BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9326452

Door Wiring Harness BMW F34 Rear Left Right Door N/O/S Wiring Loom 9326452

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9197316

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9286171

BMW F20 Front Right O/S Wiring Loom Harness Door O/S 9251711

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6924389

BMW Z4 Series E85 E86 Battery Positive Cable Fuse Box B Base 6924389

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8577625

BMW F20 F21 116d ed N47N Engine Control Unit ECU DDE 8577625 Manual Transmission

PLN 208.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9226888

BMW 1 Series F20 F21 Antenna Aerial Noise Suppression Filter 9226888

PLN 23.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8510221-16

BMW E90 E91 E92 LCI 325d Diesel N57 204HP ECU Engine Module DDE 8510221 Manual

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8513184-3

BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Manual

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8255704

BMW X3 X5 E53 E63 E83 Front Seat Belt Tensioner Buckle Connector Cable 8255704

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8387568

BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8387568

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3450847

BMW X3 E83 LCI Cable Loom Door Passenger Side Wiring Harness 3450838

PLN 100.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9224866

BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9248096

Air Module BMW F01 F02 LCI F06 F10 F11 F13 ECU Control Unit ECU 9248096

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7276383

Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7276383

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7404880

Fuel Pump Module BMW F20 F21 F30 F31 Control Unit ECU 7404880

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7552638

BMW Z4 Series E85 N52 Roadster Earth Cable Battery 7552638

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8578495

Engine Wiring BMW F30 F31 330d F32 F36 430d N57N Loom Harness Cable 8578495

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6827064-1

BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8321087

BMW 5 SERIES E60 ELECTRIC SEAT Height Adjust 0390203234 8321087

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8509722-1

Control Unit Box BMW F20 F21 F22 F30 F31 Engine Ecu Cover 8509722

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9225619

BMW F10 Electronic Front Seat Memory Module Control Unit ECU 9225619

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6971353

BMW X3 E46 E83 Navigation Computer GPS System DVD Player Unit 6971353

PLN 427.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7607973

BMW F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7607973

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 2622610

Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8373901

BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9118064

BMW 7 Series E65 E66 Centre Console Vent Storage Compartment Support 9118064

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7118854

BMW Z4 Series E85 Cable Loom Wiring Harness Rear Window Heating 7043906

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7592508

BMW X5 E70 E90 LCI F20 Engine Wiring N55 Valvetronic Servomotor Cable 7592508

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9315685

BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315685

PLN 170.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8353447

BMW E36 E38 Relay Two Pole Make Contact 8353447

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9298936

BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9298936

PLN 170.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9292655

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9292655

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9124952

BMW 3 Series E90 E91 E92 E93 LCI Cable Duct Battery Lead Rear 9124952

PLN 28.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8408783

BMW X5 E53 Flap Radio Partition Mounting Part Cover Dashboard 8408783

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8579479-4

BMW F20 F21 F30 F31 118d 318d N47N Engine Control Unit ECU DDE 8579479 Manual

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9118263

BMW F01 F02 F03 F10 Antenna Amplifier Module Trap Circuit 9118263

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9247470

BMW E90 LCI Junction Box Body Control Module Unit 9247470

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6948054

BMW Z4 E85 Front Door Wiring Loom Cable Harness Left N/S 6948054

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9259581

BMW X3 F25 Map Card Fuse Box Grouping Diagram 9259581

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6855990

BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9261612

Ultrasonic Parking Sensor BMW F20 F21 F23 F87 PDC Black 9261612

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8494949

Rear Tailgate Sensor BMW F40 F44 F48 Mini F54 LCI Smart Opener Bottom 8494949

PLN 127.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9151979

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

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9383695

BMW F10 Footwell Light Module Control Unit ECU FRM III TEMIC 9383695

PLN 303.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9223689

BMW X1 E84 Display Screen Monitor On-board CID TV Navigation System 8,8" 9223689

PLN 1,139.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6949226-2

4 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8267408

BMW E46 E64 Front Seat Backrest Adjustment Drive Right O/S 8267408

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8581751

BMW F40 MINI F56 F57 F60 Engine Control Unit ECU Box Top Cover Shield 8581751

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6942551

BMW E87 E90 E91 Front Left N/S Seat Lordosis Pad Adapter Lead Wiring

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7855481

BMW F90 M5 F92 M8 Oil Level Sensor Wiring Harness Loom Cable 7855481

PLN 218.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9298958

Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7545150-1

BMW X5 E53 3.0i M54 231HP ECU Engine Kit DME 7545150 Automatic Key EWS

PLN 712.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6950181

BMW E93 Aerial Antenna Amplifier Diversity Control Module 6950181 9187798

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8511372-2

BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic

PLN 1,187.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9270050

PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Sophisto Grey 9270050

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8606445

Wiring Harness BMW F20 F21 F30 LCI Motor Sensor System Module 1 8606445

PLN 104.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6950374

Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

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Showing 397-495 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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