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. 9811263

Mini Cooper R60 Wiring Loom Front Door Cables Passenger Side 9811263

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6949228-2

4 x Mini Cooper R52 Convertible DWA Door Alarm System Module Unit Set 6949228

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9364729

Mini F55 F56 F57 Battery Cable Positive Wire Lead Cable Terminal 9364729

€32.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8648840

BMW F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648840

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9154349

BMW MINI Clubman R55 Cable Wiring Loom Splitdoor Split Door Rear Left N/S

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8574048

Mini F54 F55 F56 F57 F60 Engine Starter Motor Plug Bracket Holder Mount 8574048

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9136726

BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136726

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9126106

BMW Mini R55 R56 R57 Cabrio Adapter Lead Outside Temperature Sensor 9126106

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

2 x Mini Cooper R52 Convertible DWA Door Alarm System Module Unit Set 6949228

-5%

Part no. 6949228-1

2 x Mini Cooper R52 Convertible DWA Door Alarm System Module Unit Set 6949228

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6949228

Mini Cooper R52 Cabrio Convertible DWA Door Alarm System Module Unit 6949228

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7587548-5

Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Manual

€579.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8602988

MINI F54 F55 F56 F57 F60 Cable Alternator Starter Wire 8602988

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9806332

Mini R60 R61 Ultra Sonic Module Alarm System Sensor 9806332

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9335243

Head-Up Display Mini Cooper F54 F55 F56 F57 Hud Project Dash Screen 9335243

€189.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9195956-2

Mini Cooper R55 R56 R57 Navigation Navi Sat Nav Head Unit 9195956

€156.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9270035

Antenna Aerial Amplifier Mini F55 F56 F60 Rear AM/FM DAB 9270035

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8519663-4

Mini Cooper D ALL4 R60 N47N 1.6 Diesel Engine ECU Kit DDE 8519663 CAS3 + Key

€189.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7600076-2

Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600076 + CAS3 + Key Manual

€142.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7574294

Mini Cooper S R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7574294

€56.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8617239

Gearbox Module Mini R55 R56 LCI R60 Automatic Transmission Unit EGS 8617239

€56.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9358302

Mini 1 2 3 Series F20 F21 F30 LCI F55 F56 Compensator LTE ECE 9358302

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9137804

Mini Cooper One R55 R56 R57 R58 R59 Drivers Door Wiring Harness Loom 9137804

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9291977

Mini Roadster R59 Cabrio Convertible Top Module CVM 61359291977 9291977

€47.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9240946

MINI R55 R56 R57 LCI R60 R61 Cover Power Distribution Fuse Box 9240946

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9805533-1

Mini R60 Rear PDC Parking Sensor Royal Grey Metallic - A48 9805533 SET x2

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2754241-2

BMW MINI Cooper R55 R56 R57 Engine Computer Mount Support Bracket Holder 2754241

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7542310

BMW Mini Cooper One R50 DME Petrol Engine Control Unit ECU Automatic 7542310

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7570488-2

Mini Cooper 2 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Remy 7570488

Product currently unavailable

Part no. 9314023

MINI Cooper R56 LCI Aerial Antenna Amplifier Diversity Module 9314023

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 382327

Ultrasonic Module Mini Countryman Paceman R60 R61 Alarm System Sensor 0382327

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. LHD-R56-CARPLAY

Mini R56 R57 Display Screen Instrument Cluster Speedo Android CarPlay 4+64GB LHD

€284.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8642707-1

Mini Cooper S F56 B48 192 HP Engine ECU DME Kit BDC + Key 8642707 Automatic

€712.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6952290

Mini Cooper Cabrio R52 Convertible Folding Roof Control Unit Module ECU 6952290

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9811224

Mini Cooper One R55 R56 R57 Airbag ECU Control Unit Module 9811224

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. P0148459-BRG1

Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3456397

MINI Cooper R58 R59 Aerial Antenna Amplifier Module Rod 3456397

€66.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 0148459-PS

Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Pure Silver - 900

€26.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9360357-1

Door Wiring Mini F55 F56 R60 Rear Right Left N/O/S Harness Loom Cable 9360357

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3456421

Mini Roadster R59 Aerial Roof Antenna Base Module 3456421

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7574365-1

Alternator Generator Mini Cooper R55 R56 R57 R57 R58 LCI Petrol 7574365

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8714621

Mini Cooper One F55 F56 F60 Telematics Control Unit Module 8734756

€237.95

Free delivery - Thu, Dec 18

If paid before 14:00

BMW F45 Mini F56 Positive Battery Alternator Starter Cable Wiring 8594487

-5%

Part no. 8594487

BMW F45 Mini F56 Positive Battery Alternator Starter Cable Wiring 8594487

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9166869

Mini Cooper R56 Hands-free Electronics Charging MULF2 9166869

€108.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7570287

BMW Mini Cooper One R55 R56 R57 Earth Ground Battery Strap Cable 7570287

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9805535

BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3457441

Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 3457441

€284.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8512415-5

Mini Cooper D R56 LCI N47N 112HP Engine ECU Kit DDE 8512415 CAS3 Key Automatic

€275.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9309997

Mini F57 Cabrio Aerial Base Antenna Rod Unit AM / FM / TEL / GPS / DAB-L 9309997

€99.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7515206

Mini Cooper One R50 R52 Battery Alternator Starter Cable Wiring 7515206

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8647841

BMW F45 X1 F48 Mini F55 F56 F57 Integrated Supply Module Z11 8647841

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7911252

Mini Countryman F60 BMW F45 X1 F48 Air Module Control Unit ECU 7911252

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305

-5%

Part no. 3455305-1

2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7610009-5

Mini Cooper S R55 R56 N14 1.6 174HP Engine Control ECU Kit DME 7610009 Manual

€450.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7527610-13

MINI One R50 W10 90HP Engine ECU Control Unit Module DME 7527610 Automatic

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

3 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305

-5%

Part no. 3455305-2

3 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9343287

BMW i3 I01 Mini F56 Air Conditioning System A/C Control Unit Module 9343287

€75.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8654635

Mini Cooper S F55 F56 Petrol Positive Battery Alternator Starter Cable 8654635

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3455306-2

4 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

2 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306

-5%

Part no. 3455306-1

2 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8516739-6

Mini SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8516739 + CAS3 + Key, Manual

€227.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8516739

Mini One D R56 LCI R60 90HP N47N Engine Control Unit ECU DDE 8516739 Manual

€113.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6917552-BRG

Mini R50 R52 R53 Rear PDC Ultrasonic Parking Sensor British Racing Green

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7515200

Mini Cooper R50 R52 R53 Battery Wire Cable Negative Earth Lead 7515200

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6977982-2

Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 2X 6977982

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6977982-3

Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 4X 6977982

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 1508927

Mini Cooper S R52 R53 Positive Battery Cable Lead Wire Cable B 1508927

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9137799

Door Wiring Mini Cooper R55 R56 R57 R58 R59 Passenger Cable 9137799

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9136725

BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136725

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 3455304

Mini R57 Cabrio DWA Door Alarm Theft Deterrent System Unit 3455304

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9312294

BMW Mini F54 F55 F56 F57 F60 Battery Clamping Clam Rail 9312294

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7515197-2

MINI Cooper One R50 W10 Battery Cable Plus Pole 7515197

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6906604-1

BMW Mini Cooper One R50 R52 R53 1 Power Distribution Fuse Box Front 6906604

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8512415-9

Mini One D R60 N47N 90HP Diesel Engine Control Module ECU DDE 8512415 Manual

€37.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9805654

Mini Cooper R60 R61 Trailer Towing Control Module Cover Bracket 9805654

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

BMW F40 MINI F56 F57 F60 Engine Control Unit ECU Box Top Cover Shield 8581751

-5%

Part no. 8581751

BMW F40 MINI F56 F57 F60 Engine Control Unit ECU Box Top Cover Shield 8581751

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8678960

Mini Cooper S F55 F56 F57 F60 Valvetronic Wiring Cable Loom Harness 8678960

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7515253

Mini Cooper One R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 Earth Ground Cable

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 1472984

Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 5-Pin Black Relay Wiper 1472984

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6906614-1

Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906614

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9136726-2

BMW Mini Cooper R55 R56 Multifuse B Battery Power Distributor Cable 9136726

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9383681-1

Mini F55 Fuse Box Front Body Control Module ECU BCM Unit 13275881

€113.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8677250

Battery Starter Cable Mini Countryman F60 Cooper S B48 Positive Plus 8677250

€32.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6974245

BMW MINI Cooper Clubman R55 R55N LCi Retaining Bracket Safety Belt Rear Left N/S

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9383063

Mini Cooper F55 F56 Navigation DAB Head Unit Sat Nav Professional 9383063

€233.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2379303

Engine Wiring Mini One F57 Petrol B38 Loom Cable Harness Injector Module 2379303

€28.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9387626-1

MINI Cooper One F55 F56 Rain / Light / Solar HUD Sensor Windshield 9387626

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 9389286

Door Wiring Mini Clubman F54 Front Passanger Side N/S Door Harness 9389286

€32.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8691827-2

Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Key Manual

€417.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6916058

Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6916058

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2449488

Head Unit Mini F55 F56 Navigation Head Unit Radio DAB Media Player 2449488

€332.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7790368

Mini Cooper One D R50 W17 Diesel Alternator Cable Starter Base B 7790368

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 7557395-13

Mini Cooper R50 R52 W10 1.6 116HP Petrol Engine Control Unit ECU 7557395 Manual

€47.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6962783

Mini Cooper One R50 Cable Harness Wiring Loom Door Front Left N/S 6962783

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

2 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229

-5%

Part no. 6949229-1

2 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229

Promo price

€23.95

€22.75

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6940432

Mini Cooper R50 R53 Adapter Lead With Diode EHPAS Cable Wiring 6940432

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 1508927-1

Mini Cooper S R52 R53 Positive Battery Cable Fuse Box Module B 6911180

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 6906604

Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906604

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 2240962-1

MIni R50 R53 PDC Front Parking Sensor Royal Grey - A48 2240962

€23.95

Free delivery - Thu, Dec 18

If paid before 14:00

Part no. 8651049

Mini Countryman F60 Battery Ground Earth Mass Cable 8651049

€47.95

Free delivery - Thu, Dec 18

If paid before 14:00

...

Showing 298-396 of 977 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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