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. 9113355

BMW E87N E90 E91 Mini Cooper R56 DC/DC Torque Converter Wandler 9113355

PLN 42.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 8580389

BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Diesel Engine Starter Motor 8580389

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8510249

Engine Wiring BMW E90 E91 LCI N47N Loom Harness Cable Automatic Gearbox 8510249

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9347914

BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9347914

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6974372

BMW 7 Series 7 E65 E66 E67 Ultra Sonic Module

PLN 28.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9364552

Seat Wiring BMW F45 X1 F48 Mini F55 F56 Passenger's Side Sensor Cable 9364552

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9360501-3

BMW F40 F48 Mini F56 Distribution Fuse Box Rear Electric Power Fuse Box 9360501

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9214813

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

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9149674

BMW 3 5 Series E60 E90 Portable DVD System Alarm Ultra Sonic Module Unit 6980090

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9315080

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

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8585379

ECU BMW F30 330d N57N 258HP Diesel Engine Control Unit Automatic 8585379

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8585380-1

BMW F30 330d F32 430d N57N 258HP Control Unit ECU Kit DDE 8585380 FEM Key

PLN 1,234.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9229873

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

PLN 180.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9243667

BMW X3 F25 X4 F26 Rear Door Left Right N/O/S Wiring Loom Cables Harness 9243667

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8510221-2

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key

PLN 1,092.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9281722

BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9281722

PLN 75.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 6958525-1

BMW 5 X5 X6 Series 1 E60 E61 E70 F07 F10 F11 Seat Adjustment Switch Left N/S

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8733503

BMW F30 Fuse Box Front Body Control Module ECU BCM Unit 8733503

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9231320

Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 9231320

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6826983

BMW F20 F21 F30 F31 Air Module Control Unit ECU Controller 6826983 0 285 013 626

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7524715

BMW Z4 E85 Roadster Starter Earth Ground Wire Cable 2.0 Petrol 7524715

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9157157

BMW E60 E61 E63 E64 Gateway Module Control Unit ECU 9157157

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8632692

BMW X5 F15 N20 Petrol Wiring Harness Transmission Gearbox Module Cable 8632692

PLN 712.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9323554

BMW 1 3 Series F20 F21 F30 Operating Unit Audio FBM Control Unit Panel 9323554

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8582280

Engine Control ECU BMW F20 F21 116d N47N 116HP DDE 8582280 Manual Transmission

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9262753

BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8574093-5

BMW F10 F30 320d 520d 163HP Engine Control N47N ECU DDE 8574093 Automatic

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8387568

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

PLN 18.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9276096

BMW 5 6 7 Series F01 F10 F13 Antenna Aeral Amplifier Diversity 868 MHZ 9276096

PLN 70.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 6942100

BMW E60 Air Module Control Unit Gateway Sensor B Pillar Right O/S 6942100

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9151516

BMW E60 E63 E64 LCI Body Control Unit Module 9151516

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9227238

BMW E93 LCI Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9227238

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8707750

BMW F20 F21 F22 F23 F87 M2 Body Domain Controller BDC Module FEM 8707750

PLN 1,234.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8380118

BMW E46 Amplifier Holder Audio Catch Bracket Mount Trim 8380118

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7641652-1

Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8586540

BMW F30 F32 LCI 330d 430d N57N 258HP Engine Control Unit Module ECU DDE 8586540

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9267465

BMW F01 Body Control Module ECU Junction Box V5 PL6 JBBFE III Lear 9267465

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9186211

BMW X5 E70 M Audio Professional Radio CD Player Navigation Head Unit 9186211

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8598806-2

BMW X3 F25 20dX Diesel B47 190HP Engine Module ECU Kit DDE 8598806 Key CAS4

PLN 1,614.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6944500

BMW 5 6 Series E60 E61 E63 Driver's Side Door Airbag Control Unit Module 6944500

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8571350

BMW 1 5 Series F10 F11 F20 F21 LCI B47 Starter Acoustic Vibration Plug 8571350

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6974631

BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9290621

BMW F33 F83 M4 Convertible Top Phone Antenna Aerial Module CTM Unit 9290621

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9303543

BMW F20 F30 F31 Fuse Box Electrical Power Distribution 9303543

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9216286

BMW F20 F21 Socket Plug Wiring Loom Cable 9216286

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9324781

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324781

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9367807

BMW X5 F15 Battery B+ Engine Compartment Positive Terminal Point 9367807

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6850424

BMW X3 F25 ICM Air Module Control Unit SRS ECU 6850424

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9380322

BMW F01 F02 F03 F10 F11 F13 Central Gateway Control Lear Module Unit ECU 9380322

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8512498-5

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

PLN 854.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8385164-2

BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9324779

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR-01 9324779

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9315684

BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9315684

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6928975

Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8387551

BMW 3 Series E46 Battery Positive Cable Fuse Box Base B 8387551

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9383694

BMW F10 Footwell Light Module Control Unit ECU TEMIC 9383694

PLN 298.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9180402

BMW E90 Front Sport Seat Lumbar Wiring Loom Harness Cable 9180402

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6812218

BMW X1 F48 Rear Left Right N/O/S Door Wiring Harness Loom 6812218

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9321879

BMW F10 LCI Body Control Module Gateway ECU 9321879

PLN 94.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9244426

BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 9219647

PLN 218.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9153136

BMW F01 F02 F03 LCI Holder Bracket Control Telematics Unit 9153136

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8485065

BMW G11 G12 G14 G15 G16 G30 G31 G32 G38 Positive Battery Cable Wire 8485065

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7928682

Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576484

BMW X3 G01 G20 G21 G30 G31 Starter Acoustic Vibration Plug 8576484 8588900

PLN 28.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8593105

BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9228914

Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8573257-6

BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8573257 Automatic

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7612815

BMW F10 M5 F12 F13 M6 F07 X5 F15 Starter Motor 428000-8530 12V 7612815

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8589158

Battery Cable BMW G01 G02 B47B B47D Alternator Base B+ Lead 8589158

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9253482-2

BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6933268

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

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9241330

BMW X1 E84 USB AUX-IN Socket Plug Input Connector Media Port 9241330

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8573260-8

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

PLN 1,709.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7636292-1

BMW F20 F30 116i 316i N13 136HP Engine Control ECU Kit DME 7636292 Manual

PLN 2,374.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9371386

BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9270356-2

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6850955

Brake Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6850955

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-2

BMW E92 E92N LCI PDC Wiring Loom Harness Rear Bumper

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8602802

BMW i3 I01 Hybrid Rex Engine Wiring Cable Harness Bracket Mount Trim 8602802

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6968651

BMW 3 Series E93 Cabrio Rear Left N/S Aerial Antenna Unit AM/FM 6968651

PLN 132.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9286156

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9286156

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6820526

Head Unit BMW F20 F21 Radio Media GPS Sat Navigation Unit 6820526

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9270495-2

BMW X5 E70 X6 E71 F10 F11 F12 PDC Ultrasonic Parking Sensor SET X2 Black 9270495

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9383181

BMW F20 F21 F22 F30 F31 F32 F36 Fuse Box Body Module Control Unit FEM 9383181

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6937668

BMW X5 Series E53 Fuse Box Label Trim Cover Panel Sticker 6937668

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8506434-4

BMW E81 E84 E87 E90 LCI 18d 118d 318d N47 ECU Kit DDE 8506434 CAS3 Key Automatic

PLN 1,044.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7615308

BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308

PLN 85.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9222874

BMW E60 E61 Professional Navigation System CIC Sat Nav Controller 9222874

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576333

BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8576333 Automatic

PLN 427.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6883149

BMW F12 F13 X5 F15 Suspension Control Module VDC Control Unit 6883149

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8573260-2

BMW F20 F21 116d ed Diesel N47N 116HP Engine Control Unit DDE 8573260 Manual

PLN 161.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Showing 1090-1188 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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