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. 8513161-1

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

PLN 997.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9132254

BMW Z4 E85 E86 CID Control Unit CD Player Radio Audio System 9132254

PLN 807.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 6875997

ICM Control Unit BMW F01 F02 LCI F06 F10 F11 F13 ECU Module 6875997

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9305736

BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9305736

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6822602

BMW F20 F21 F30 F31 Head Unit Basic Media Navigation Headunit 6822602

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6949226-1

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

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7075943-5

BMW 5 7 X5 Series 5 E60 E61 E65 E70 Front Left Seat Height Adjustment Drive N/S

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8585727

Wiring BMW F21 F30 F34 F36 Diesel N47N Engine Gearbox Module Harness 8585727

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6907313

BMW E65 E66 Wiring Loom Cables Rear Bumper PDC 6907313

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576341-6

BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM Manual

PLN 1,044.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9382418

BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418

PLN 94.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 6963651

Alarm Module BMW E81 E84 E87 E90 Ultra Sonic System Sensor 6963651

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9346273

BMW F15 Kafas Camera Lane Assist Module Control Unit ECU 9346273

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8714478

BMW F40 Door Wiring Cable Harness Loom Rear Left Right N/O/S 8714478

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6958449

BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 61356958449 6958449

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7254970

BMW E92 LCI Grille Trim Panel Chrome Frame Front Right O/S 7254970

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6799576

BMW F10 F11 ICM Control Module Unit 6799576

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9156654

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

PLN 55.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8353447

BMW E36 E38 Relay Two Pole Make Contact 8353447

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9259581

BMW X3 F25 Map Card Fuse Box Grouping Diagram 9259581

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576341-2

BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9322532

Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8385159-1

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

PLN 43.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9210860

BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9250459

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7394466

BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466

PLN 332.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9264917

BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9124585-SED

BMW E87 E90 PDC Parking Sensors Ultrasonic Set x2 Sedonarot - A79 9124585

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9270392-1

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

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 5A41CA2

Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2

PLN 949.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9231442

BMW 2 3 4 Series F22 F30 F32 F36 Antenna Suppression Filter Aerial 9231442

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6819653

BMW X5 F15 Fuse Box Front Body Control Module ECU BCM Unit 6819653

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9343304

BMW X5 F15 X4 F26 Antenna Aerial Diversity Trap Circuit Control Module 9343304

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9264974

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

PLN 332.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9306220

Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6850846

BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8665279

BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8665279 Manual

PLN 1,614.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9115107-1

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

PLN 37.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 7599881-12

BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual

PLN 663.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9380885

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

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8617551-5

BMW F20 F21 125i N20 218HP ECU Control Unit Kit DDE 8617551 Key FEM Automatic

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8506281-3

BMW E81 E87 LCI E90 N47 115HP Diesel Engine Control Unit ECU DDE 8506281 Manual

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9123605

BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605

PLN 75.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 8506373

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

PLN 617.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8736251

BMW X4M F98 X4 G02 X3 G01 Rear Fuse Box Power Distribution Fuse Box 8736251

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9348356

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

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9266384

BMW 5 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384

PLN 170.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6968649

BMW E93 Convertible Aerial Antenna Amplifier FM/AM Left N/S 6968649

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7618644

BMW Z4 Series E89 Roadster Petrol N20 Cable Alternator-Starter-Base B 7618644

PLN 47.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9187541

BMW Z4 E89 ECU Body Control Module H3 Junction Box 9187541

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8720302

BMW 1 3 Series F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 8720302

PLN 233.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9294199

BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9294199

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7786372

BMW X5 E53 3.0d M57 Earth Cable Battery Cable 7786372 12427786372

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 3437180

BMW E83 Telephone Bluetooth Roof Aerial Module Control Unit 3437180

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 5A243F5-1

Ultrasonic Sensor BMW F70 G60 U06 Rear Parking PDC Set Portimao Blue - C31

PLN 522.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9150891

BMW 1 Series E81 E82 E87N LCI E88 Wiring Cable Air Flap PDC Front 9150891

PLN 104.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6772742

BMW 3 4 Series F80 M3 F82 M4 Control Unit Active Sound Design 2622362

PLN 1,139.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7604347

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

PLN 46.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 5A923C4

BMW F40 G20 G21 G30 G31 X3 G01 HiFi Audio Sound Amplifier RAM Module 5A923C4

PLN 902.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7541779

BMW Z4 E85 2.0i N46 Cable Alternator Starter Base B+ 7541779

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6960220

Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Right O/S Control Unit 6960220

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576341-7

BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM

PLN 854.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8574352

BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic

PLN 1,709.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6970889

BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6787836-1

BMW E81 E87 LCI E90 LCI ABS DSC Module Pump Wiring Harness Cable 6954572

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6992830

BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9297897

BMX X4 F26 X6 F16 Cental Woofer Speaker Audio Unit Left Right N/O/S 9297897

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6938226

BMW 3 Series E90 E91 Cable Wiring Loom Rear Door Left Right 61126938226 6938249

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9153418-1

BMW 5 Series F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6948689

BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6948689

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9286129

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 9286129

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8511409

BMW F10 F11 N57N Control Unit Module Box Cover Bracket Carrier Mount 8511409

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6837359

Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359

PLN 94.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 6949081

BMW 1 3 Series E81 E82 E88 E92 Front Seat Easy Entry Adapter Wire Cable 6949081

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6948692

BMW E60 E61 E63 Passenger Side Door Airbag Control Module 6948692

PLN 56.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9204849

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

PLN 65.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8678974

Engine Cable BMW F40 X1 F48 Mini F55 F56 Injector Wiring Loom Harness 8678974

PLN 170.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9247130

BMW F11 Touring Antenna Aerial Diversity Amplifier Unit 868 MHZ 9247130

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6910719

BMW Z4 E85 E86 CD-Changer Bracket Left N/S Holder Mount Carrier 6910719

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9286479

BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479

PLN 332.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8067511

BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6907520

BMW 5 X5 Series E39 E53 Dual Band Cable Compensator Hands Free Phone 6907520

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8572439-3

Engine Control Unit BMW F30 F31 N57N 330d 258HP ECU DDE 8572439 Automatic

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7579155-1

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

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9167198

BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit

PLN 360.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9389070-1

BMW F36 Fuse Box Control REM Electric Power Distribution 9389070

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

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Showing 1387-1485 of 4791 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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