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.

More information

Make

Category

Subcategory

Condition

In Stock

Price

Products in promotion

Part no. 9389560

Aerial Trap Circuit BMW G30 X3 G01 Antenna Amplifier Module Control Unit 9389560

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7852129

Alternator BMW F90 M5 F91 M8 S63M Petrol Engine Generator 250A Valeo 7852129

PLN 1,614.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6923502

Mini R50 One D Diesel W17 Cable Starter Base B- Wire 6923502

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9177773

BMW F01 F07 F10 F11 Battery Power B+ Distribution Box Rear 9177773

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6851242

ICM Module BMW F01 F02 Integrated Chassis Management QL ES Control Unit 6851242

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6834091

BMW F87 F80 F82 Audio Amplifier Harman Becker Active Sound Design System 6834091

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9159311

BMW 5 Series F10 F11 Mini R55 R56 R57 Door Sensor Airbag 9159311

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9177981

BMW E90 ECU Body Control Module H1 PL2 JBBFE2 9177981

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9128602

Cables Wiring BMW E81 E87 LCI Front Bumper PDC Loom Set 9128602

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8506438-1

BMW E81 E87 LCI E90 E91 120d 320d N47 177HP ECU KIT DDE 8506438 CAS 3 Key

PLN 655.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9229847

BMW E70 Door Wiring Front Passenger Door Loom Cables Harness 9229847

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9277812

BMW 2 Series F23 Convertible Rear Trunk Tailgate Antenna Aerial DAB 9277812

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8506374-6

BMW E60 E87 E90 120d 177 HP N47 ECU Engine Control Unit DDE 8506374 Manual

PLN 427.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6927311

BMW E60 Front Seat Control Unit Module Controller ECU 6927311

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9122274

BMW E60 E61 LCI Front Cables Set Wiring PDC Parking Sensor Bumper 9122274

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8387546

BMW 3 Z4 Series E46 E85 E86 Battery Positive Cable Fuse Box B Base 8387546

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9248298

BMW E88 E93 LCI ECU Control Unit Air Module 9248298

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8576341

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

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9114342

Distance Control Sensor BMWE81 E87 E90 PDC Parking Sensor Montego Blue 9114342

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8580307

BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual

PLN 427.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9276099

BMW F01 F10 Diversity Aerial Antenna Amplifier Module DAB 9276099

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9270392-2

BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9339825

BMW G11 G30 G31 Power Supply Module High Voltage Battery Terminal Point 9339825

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9371131

Seat Control Unit BMW F30 F36 Front Seat Module Unit Controller ECU 9371131

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8367769

BMW X3 Series E83 Battery cable holder mounting parts B Base 8367769

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8682893

BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8644504

PLN 341.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9350707

BMW F15 I01 Mini F55 F56 F57 PDC Module Parking Assistant Control Unit 9350707

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6928934

Antenna Amplifier BMW E82 E90 E92 Diversity Signal Boost 6928934

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9289580

Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen CID 8,8" 9289580

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8661071

BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8661071

Product currently unavailable

Part no. 8793254

Door Wiring BMW X3 G01 F97 X4 G02 F98 Cable Harness Rear Left Right N/O/S

PLN 161.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6822077

BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 6822077

PLN 218.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9247397

Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9247397

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6959987

BMW 7 Series E65 E66 Windscreen Wiper Switch Column Stalk 61316959987 6959987

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7800167

BMW E70 LCI E90 E91 LCI F10 F11 N57 Lead Preheater Wiring System Diesel 7800167

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6814609

BMW 1 3 5 Series F10 F20 F30 Bus Interface Connector Data Terminating 6814609

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7853357

Engine Wiring BMW F87 M2 N55 Petrol Loom Module 1 Harness Cable 7853357

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6978374

Air Module Unit BMW E60 E61 Sensor Control ECU 6978374

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7583740

BMW Z4 E89 Earth Battery Cable Wiring Loom Harness Line 7583740

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8574351-3

BMW X1 E84 18d 18dX Diesel N47N 143HP Engine Unit ECU DDE 8574351 Automatic

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9381114

BMW F20 F21 F30 F31 F32 Mini F56 F57 Seat Control Unit Module Heating 9381114

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 5A243F5

BMW F70 G60 U06 Rear Ultrasonic Sensor Parking PDC Portimao Blue C31 5A243F5

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6960000

BMW X5 Series E53 Front Bumper PDC Loom Cables Wiring Set 6960000

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6819651

BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9276009

BMW F07 GT Rear Antenna Aerial Amplifier AM/FM DABIII FBD2 868MHZ 9237057

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8513161-1

BMW F10 F11 530d N57 245HP Engine Control Unit ECU Kit DDE 8513161 CAS4 2 Keys

PLN 997.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8578945-4

BMW F20 F21 F30 116d 316d N47N 116HP ECU Engine Contol Unit DDE 8578945 Manual

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7550468-3

BMW E81 E87 LCI E90 E91 Petrol N43 Alternator Generator 170A Denso 7550468

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3450286

BMW X3 E83 LCI N47 Earth Cable Flow Electric Battery Negative 3450286

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8635813

Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9252812

BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512047-4

BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8512047 Automatic

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8574091-3

BMW F10 520d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 + Key

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9243896-1

Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9115107

BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107

PLN 46.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7856819

Battery Cable BMW F90 M5 F91 M8 Wire Lead Positive Alternator Starter B+ 7856819

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9234421

Fuse Box BMW F01 F02 F07 F10 F11 Power Distribution Front 9234421

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6957348

BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Right O/S

PLN 28.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9385026-1

BMW F01 F07 LCI F10 F11 F25 Air Module Control Unit ECU 9385026

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6911584

BMW E65 E66 Steering Wheel MFL Phone Switch Buttons Left N/S 6911584

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9252638

BMW E81 E82 E87 E88 E90 E91 E92 E93 Parking Control Module Unit PDC

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6951079

BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9306220

Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9253636

Air Module BMW F10 F11 F13 X3 F25 ECU Control Unit Controller 9253636

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9147220

BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module Control Unit CAS3 9147220

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6929950

BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950

PLN 93.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9224872

BMW 1 2 3 4 Series F20 F21 F30 F80 Cover Power Distribution Fuse Box 9224872

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8573260-7

BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 Key FEM Lock Manual

PLN 1,709.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8573258-7

BMW F20 F21 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8573258 Manual Key FEM

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 5A374F9

BMW F40 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 5A374F9

PLN 1,424.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9119058

BMW E81 E87 E90 E91 Airbag Control Unit ECU NO CRASH DATA 9119058

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9131649

Driver Seat Cable BMW E81 E82 E87 E88 Sensor Mat Wiring 9131649

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9210120

BMW F07 GT Door Wiring Loom Cable Harness 9210120

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9171217

BMW E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217

PLN 161.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8586540-2

BMW F30 F32 LCI 330dX 430dX N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key

PLN 1,377.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6935599

BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Red Japanrot Japan Red

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8582279-8

BMW F30 F32 F34 GT 320d 420d N47N 184HP Engine Module Unit ECU DDE 8582279

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6963013

BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6963013

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6825835

BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8510221

BMW E90 E91 LCI E92 330d Diesel N57 Engine Control Unit DDE 8510221 Automatic

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8647878

BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8647878

PLN 712.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6820696

BMW F30 F31 F32 Control Unit Module Active Sound Design 6820696

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6798242

ICM Module BMW F10 F11 Integrated Chassis Management QL ES Control Unit 6798242

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6911003

BMW 1 3 X1 X3 X5 X6 SERIES E81 E82 E84 E87 E88 E90 Accelerating Sensor 6911003

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9266350

BMW F01 F02 HiFi System Amplifier Harman Becker Audio Booster 9266350

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8606306-6

BMW F30 320i N20 184HP ECU Kit Engine Control Unit DME 8606306 Key FEM Automatic

PLN 2,374.95

Free delivery - Mon, Nov 24

If paid before 14:00

Electronics Charging BMW E81 E87 E90 E91 Hands Free MULF2 9195246

-25%

Part no. 9195246

Electronics Charging BMW E81 E87 E90 E91 Hands Free MULF2 9195246

Promo price

PLN 189.95

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9204532

BMW E91 LCI ECU LED NSW Light Module Control Unit PL2 FRM II 9204532

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. P0396890

BMW 1 Series E82 Rear Bumper PDC Cables Wiring Loom Set 0396890

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9156654

BMW 3 Series E93 Rear Antenna Aerial Amplifier AM/FM 9156654

PLN 55.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6940624

BMW E81 E87 E90 E91 E92 Ultrasonic-sensor PDC Arktis Metallic A34 6940624

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9367350

KaFAS Camera BMW F10 F20 F30 Mini F55 F56 Front Control Unit Module ECU 9367350

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6918567

BMW 7 Series E65 E66 E67 Seat Control Unit Module Heating 6918567

PLN 46.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8719905

BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7638477

Ignition Coil BMW E81 E87N LCI E90 E91 E92 F10 F11 Bosch 7638477

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9171948

BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7572873

BMW Z4 E85 E86 Battery Holder Hold Down Bracket 7572873

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9284421

BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid 9284421

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

...

Showing 1387-1485 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 .

used parts volkswagen car parts mercedes used car parts cheap car parts audi auto parts spare parts genuine used audi parts bmw starters, alternators, ecus & wiring mercedes starters, alternators, ecus & wiring mini starters, alternators, ecus & wiring audi starters, alternators, ecus & wiring volkswagen starters, alternators, ecus & wiring