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. 8592700

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

PLN 94.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 6856747

BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8579478-4

BMW F20 F30 120d 320d Diesel N47N 184HP ECU Unit DDE 8579478 Automatic

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8367769

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

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9191408

BMW X1 Series E84 Wiring Cable Loom Set Rear Door Left Right N/O/S 9191408

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8579482

BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8579482 Manual

PLN 332.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8516122

Battery Cable BMW X5 F15 X6 F16 Alternator Starter Wiring Loom Harness 8516122

PLN 108.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9248096

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

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6946400

BMW E60 E61 Air Module ECU Control Unit Centre Sensor 6946400 6963024 6952993

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6928523

BMW 3 Series E46 M47N Diesel Negative Earth Cable Battery 6928523

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8590041

BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9239212

BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9239212

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9290804

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

PLN 759.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 8621486

BMW F20 F21 LCI F36 F87 M2 N55 Cable Alternator Starter Base B Wiring 8621486

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 37820-P73-013

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

PLN 1,329.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6958414

BMW E60 E61 Alarm System Unit Ultra Sonic Module 9149673

PLN 42.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9130047

BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6970090

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

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9267980

BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9264573-1

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

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6867169

Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Unit 6867169

PLN 118.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8639595-9

BMW F30 320iX N20 163HP Engine Unit ECU Kit DME 8639595 FEM + Key Automatic

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9313616

BMW F30 F31 Driver's Side Door Wiring Electrical Loom Harness Cable 9313616

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9383178

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

PLN 332.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9225022

BMW 2 3 4 Series F22 F30 F31 F32 Battery Power B+ Distribution Box 9225022

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8368231

BMW E46 Door Speaker Tweeter Front Left N/S 8368231

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9130313

BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9130313

PLN 759.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7811111

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

PLN 1,424.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9253477

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

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6843898

BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6843898

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3405815

BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815

PLN 42.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9331597

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

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8573257-7

BMW F30 F31 320d ed Diesel N47N 163HP ECU Kit DDE 8573257 + Key + FEM Automatic

PLN 522.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9252550

BMW F10 F12 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9252550

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9875929

BMW F20 F21 F22 F23 LCI DAB Navigation Head Control Unit Module Business 9875929

PLN 712.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7510646

BMW 7 Series E65 E66 E67 Ventilation Hose E-Box Fan 7510646 12907510646

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6863385

BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9208452

Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9171984

BMW E60 E61 E63 E64 LCI Control Unit Lane Departure Warning Module ECU 9171984

PLN 180.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6838609

Antenna Amplifier BMW F40 Aeral Diversity Control Unit FM DAB Live Dash 6838609

PLN 104.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9223682

BMW X5 X6 Series E70 E71 Dashboard Onboard Monitor Display Screen 8,8" 9223682

PLN 303.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4030026

BMW Z4 E85 Xenon Headlight Resistor Ballast Relay Module Unit 4030026

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8590045

BMW G20 G21 G01 G02 B47B B47D Engine Injector Module Wiring Harness 8590045

PLN 160.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9153806

BMW F01 F02 Rear Heater Blower Motor Resistor 9153806

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576341-4

BMW F20 F21 F30 F31 118d 318d 143HP N47N ECU Kit DDE 8576341 + Key + FEM

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9251984

BMW F10 F11 F20 F21 F30 Control Unit Module Voltage Transformer VSU180 9233143

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9270356-1

BMW F40 Mini F55 F56 Fuse Box Power Distribution Junction Relay Unit 9270356

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 2622610

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

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8510221-18

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

PLN 180.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9298936

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

PLN 170.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9124585

BMW 1 3 Series E87 E90 Front Rear PDC Ultrasonic Parking Sensor Sedonarot Red

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7561834-14

BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic

PLN 1,044.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6956746-MB1

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

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6942551

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

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7856771

Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 1-4 Loom Valve Ignition 7856771

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9352786

BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9352786

PLN 712.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6925642

BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9268438

BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9483018

F20 62560400

-PLN 0.05

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576333-8

BMW F20 F30 F32 xDrive N47N 163HP Engine Control ECU Kit DDE 8576333 Manual

PLN 712.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7801711-1

BMW X3 E83 2.0d M47N2 Engine Control Unit Module ECU DDE 7801711 Manual

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9262871

BMW F01 Front Door Wiring Loom Cable Harness 9262871

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4752820

Positive Cable BMW F20 F21 Under Bonnet Battery Wiring Loom 4752820

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6864208

BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9117831

Negative Battery Lead BMW F45 F46 X1 F48 IBS Minus Pole Cable 9117831

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7592511

BMW E88 E90 E91 E92 LCI F20 F21 F30 Ignition Wiring N55 Engine Harness 7592511

PLN 142.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9153135

BMW F01 F02 F03 Holder Bracket Control Unit Amplifier 9153135

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8368932

BMW E39 Alarm Sensor Comfort Control Module Unit ECU 55892110

PLN 100.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576333-2

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

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8576341-1

BMW F20 F30 F31 116d 316d 116HP N47N Engine ECU Control Unit DDE 8576341 Manual

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6940763

BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6796503

BMW F07 GT ICM Integrated Module Chassis Management QL ES Control Unit 6796503

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9381086

Amplifier BMW F06 GT F10 F13 F15 Audi Control Unit Active Sound Design 9381086

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6907329

BMW E65 Door Cable Guide Rear Left N/S Wiring Loom Bracket Trim Cover 6907329

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9244392

BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9244392

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9119495

BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9119495

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6928376

BMW 5 6 Series E60 E61 LCI E63 E64 Cable Wiring Set ARS Valve Block 6928376

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6939287

BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8619095

BMW i3 I01 Hybrid Electric Earth Ground Cable Negative Battery Lead 8619095

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7805349-2

BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE EWS4 Key 7805349 Manual

PLN 902.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9393667

BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9393667

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9162930-WB1

BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896 SET X2

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6905921

BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921

PLN 122.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9270386

BMW E88 Body Control Module ECU Unit JBBFE IIIR H4 PL2RR 9270386

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8584816

Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9214812

BMW E88 E93 LCI Air Module Control Unit ECU 9214812

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9395173

BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9395173

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9237055

Antenna Diversity BMW F07 GT Control Unit Module Aeral Amplifier 868 MHZ 9237055

PLN 170.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6960219

Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7648785

BMW i3 i01 Battery Cell Module Supervision Circuit Control Unit 7648785

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8635815

BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8507909

BMW F20 F30 Wiring Harness Engine Transmission Module Diesel Manual N47N 8507909

PLN 360.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6858698

BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6858698

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8693213-1

BMW F30 LCI 330e B48X Engine Control Unit ECU Kit DME 8693213 FEM Key Automatic

PLN 2,849.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Showing 694-792 of 4792 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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