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. 9159795

BMW X5 X6 E70 E71 Control Unit Air Module Bag ECU Unit Bosch 9159795

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9355549

BMW 1 2 3 4 Series F20 F22 F21 F30 F32 LCI ECU USB Hub Module 9355549

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9337210

BMW 4 F33 F83 M4 Cabrio Front Door Driver's Side Wiring Loom Cables 9337212

PLN 112.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7678321

BMW X4 F26 Harness Wiring Cable Loom 7678321 767832-113

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512499-8

BMW E87 E90 LCI N47 118d 318d 143HP Diesel ECU Kit DDE 8512499 CAS3 + Key Manual

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7160897

BMW X5 E53 E60 E61 E65 E81 E87 E90 E91 Turn Indicator Silver Bulb 7160897

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9261599

BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Estoril Blue 2

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9187533

BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9118101

BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101

PLN 46.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9148264

Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9340522

BMW 5 F10 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9340522

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8624382

BMW 1 3 Series F20 F30 F31 LCI Line Cable Power Distribution Module 8624382

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9229878-1

BMW E87 LCI ECU Body Control Unit Module Junction Box H2 9229878

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9160558

BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3451658

BMW 3 X3 Series E46 E83 LCI Earth Cable Flow Electric Battery Negative 6919584

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9311850

BMW 1 3 Series F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9311850

PLN 46.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9362398

BMW F20 F21 F30 F31 F32 F45 Body Control Unit Module REM 9362398

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7837273

BMW 1 3 Series E81 E87 E90 E91 PDC Parking Ultrasonic Sensor Le Mans Blau Blue

PLN 27.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9218380

Steering Wheel Module BMW F10 F11 F20 F21 F30 F31 Heating Control Unit 9218380

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8506434

BMW E87 E90 LCI N47 118d 318d Diesel Engine Control Unit ECU DDE Manual Gearbox

PLN 275.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9159794

BMW 3 Series E93 Cabrio Airbag Control Unit Module ECU 9159794 65779159794

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9229007

BMW F10 Antenna Amplifier Diversity 868 MHZ 9229007

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6842527

BMW G20 Battery Terminal Voltage Distribution Box 400W MID 6842527

PLN 132.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9307421

Camera Control Unit BMW F20 F21 F30 F31 KaFAS 2 Camera Module ECU 9307421

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6789514

BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6789514

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9123605

BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7488140

BMW F10 F20 F21 F30 F31 LCI SCR Control Module ECU Unit 7488140

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8585641

Engine Wiring BMW F20 F21 F30 F31 N47N Diesel Loom Harness Cable 8585641

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 1378238

BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9143121-1

BMW E81 E87 E90 E91 E92 E60 E61 Loudspeaker Speaker Logic7 L7 HiFi Audio 9143121

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9145172

BMW E90 E91 E92 E93 LCI Battery Bracket Lower Section Box 9145172

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 5A5D3C0

Keyless Entry BMW F40 G20 G21 G30 G31 Comfort Access Antenna 5A5D3C0

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6982394

BMW E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982394

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8573257

BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9289679

BMW X5 F15 X6 F16 Antenna Amplifier Control Unit Module 9289679

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6925936

BMW 5 Series E60 E61 Wiring Loom Harness Co-Drivers Passenger Side 6925936

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9227179

BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9325917

Door Cable BMW F36 Rear Left Right N/O/S Wiring Harness 9325917

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8387547

Fuse Box Base BMW X3 E83 Mini R50 R53 Battery Positive Cable B 8387547

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3449417

BMW Mini Cooper R55 R55N R56 R56N LCi Ultra Sonic Module Alarm System 3449417

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6839769

KaFAS Module BMW F10 F20 F30 Mini F55 F56 Assist Camera Control Unit 6839769

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6989069

BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6957807

BMW X3 E83 Amplifier For Stereo System Harman/Becker AMP 6957807

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6934030

BMW 7 Series E65 E66 Wiring Loom Harness Right O/S Front Door 6934028

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 969713

BMW F01 F07 Boot Trunk Lid Tailgate Lock Wiring Harness Loom Cable 969713

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6900583

BMW E65 E66 Power Distribution Box 6900583

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9134669

BMW E93 Convertible Seat Control Unit Module ECU 9134669 FSV 7.10.0

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6938966

BMW 5 Series e60 Suppression Filter Radio Areal Amp Supressor 6938966

PLN 13.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6857262

Air Module BMW F01 F02 LCI F10 F11 F13 ICM SRS Control Unit ECU Bosch 6857262

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9346799

BMW F01 F02 LCI F10 Diversity Aerial Antenna Amplifier DAB 9346799

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6963023

BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7621168

BMW F20 F21 F30 F31 Earth Cable Battery Engine N47N N13 7621168

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8580165

Mini F54 F55 F56 F57 F60 B47 Wiring Harness Engine Glow Plug Module 8580165

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6989112

BMW E60 E61 X3 E83 Front PDC Parking Sensor Silver Grey Silbergrau - A08

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 5A2D553

Audio Receiver BMW F40 G22 G30 G31 X3 G01 DAB ECE Control Unit Module 5A2D553

PLN 759.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3451528

BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9355462

BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9352861

FEM Unit BMW F20 F22 F30 F32 Control Unit Module ECU Fuse Box 9352861

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8517874-6

BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6782372

BMW X1 X3 Z4 E83 LCI E84 E89 E90 E91 E92 Speed Sensor Cluster 6782372

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6870539

BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6933268

BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933268

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9321023

BMW F45 X1 F48 Mini F55 F56 B+ Junction Terminal Power Distribution Box 9321023

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 0445684-3

HiFi Audio Retrofit BMW E81 E87 E90 E91 E92 Connector Cable Wire

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9287530

BMW 1 Series F20 Control Unit Air Conditioning A/C Module 9287530

PLN 55.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8067511

BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6968652

BMW 3 Series E93 E93N LCI Aerial Antenna AM / FM Right O/S 6968652

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9209684

BMW F01 F02 F04 F07 ECU ICM Control Unit Air Module Bag 9209684

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8518269

BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Manual

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9267958

BMW F20 F30 MINI F56 Control Unit Air Conditioning Module 9267958

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7391043

BMW F10 X1 F48 Mini F54 Rear Tailgate Smart Opener Bottom Wire Sensor 7391043

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6932644-1

BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9319493

Air Module Unit BMW F10 F11 F30 F31 F25 F12 F13 X3 F25 ECU Control 9319493

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9217004

Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9176884

BMW E93 ECU Body Control Module H3 Junction Box 61359176884 9176884

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 1742690-1

BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8506375-3

BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + Key

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9185734

BMW F10 F11 F12 X3 F25 Battery B+ Engine Compartment Terminal Point 9185734

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8615581

BMW 3 F30 LCI 330e B48X Control Unit Bracket Holder Mount 8615581

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 1388911

BMW E36 E38 E21 E85 R52 R57 Change-Over Contact Relay Violet 1388911

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8600358

BMW F20 F30 LCI MINI F55 F56 Integrated Relay Supply Module 8600358

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9196929

Seat Control Module BMW E60 E61 ECU Seat Controller Unit Module 9196929

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7928461

BMW G11 G12 G29 G31 G38 Radio Remote Control Receiver Module Unit 7928461

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7621063

BMW X3 F25 X4 F26 Earth Ground Cable Line Strap Battery Lead 7621063

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6837092

BMW G30 G12 Fuse Relay Box Rear Trunk Power Distribution B + Box Basis 6837092

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9866982

BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9285504

Distributor BMW X5 F15 X6 F16 B + Battery Power Distributor 9285504

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7839662

BMW E90 E92 E93 LCI Cable Alternator Starter Base B 7839662

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6933162

BMW E65 E66 On-board Navigation Display Monitor Screen 8,8" 6933162

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7631932

Engine Wiring BMW F30 F31 N20 Loom Module Harness Cable 7631932

PLN 617.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9259467

Fuse Box BMW X3 F25 Power Distribution Control Unit Module Front 9259467

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7809196

BMW X3 E83 LCI 2.0d N47 177HP Engine ECU Control Unit Module DDE 7809196 Manual

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6923217

BMW 6 E64 E64 LCI Bracket Control Unit Vehicle Electrical System 6923217

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8638588

BMW F20 F22 F30 LCI 125i 230i 320i 330i B48 Cable Alternator Starter 8638588

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6973117

BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6973117

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7634063

Gearbox Wiring BMW F10 F11 520i 528i N20 Automatic Engine Loom Harness 7634063

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7555188-1

BMW F01 F07 GT F10 F11 F12 F13 Control Unit Box Cover Cap 7555189

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6972065

BMW E91 Touring Ultra Sonic Burglar Alarm System Sensor Module 6972065

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7802158

BMW E60N E81 E87N E90 E90N E91 E91N E92 E93 Wiring Harness Engine Glow Module

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

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Showing 298-396 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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