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. 9278279

Mini R55 R56 LCI Instrument Cluster Speedo Navigation Display Screen 9278279

PLN 427.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7527610-13

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

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 1508927

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

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7525434

Mini R52 R53 W11 Battery Cable Wire Harness Starter Base B 7525434

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 2751444

Mini R56 DAB/IBOC Tuner Bracket Holder Mounting 2751444

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6977982

Mini Cooper R50 R56 R57 R60 Relay No Contact Taubenblau 6977982

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7792130

BMW Mini Cooper One R50 R52 R53 R55 R56 R57 Earth Ground Cable 7792130

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6915063

Ultra Sonic Module Mini R50 R53 Alarm System Sensor 6915063

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3448379

Mini R55 R56 R57 R58 R60 R61 Control Unit PDC Parking Sensor Module 3448379

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7515197

BMW Mini Cooper One R50 W10 Battery Cable Plus Pole 7515197

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 0148459-BRG

Mini Cooper One R50 Fuel Filler Cover Flap British Racing Green A67 0148459

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7515253

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

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9240945

Mini Cooper D R55 R56 R57 R60 LCI Electrical System Fuse Distribution Box

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3455305

Mini R57 R57N R58 R59 DWA-Alarm System Relay ECU 3455305 65753455305

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9167397

Mini Cooper R57 R58 R59 Hands Free Telephone Microphone 9167397

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3450085

PDC Control Unit Mini R55 R56 R57 R58 R60 R61 Parking Sensor Module 3450085

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3450646

Mini Cooper Convertible R57 Fuse Box Electrical Control Unit 3450646

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9240943

Mini Cooper R55 R56 LCI R60 Electrical System Fuse Distribution Box 9240943

PLN 132.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3455304

Mini R57 Cabrio DWA Door Alarm Theft Deterrent System Unit 3455304

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7579136

BMW Mini Cooper S R56 Automatic Gearbox ECU Control Unit EGS Module 7579136

PLN 141.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7600076-2

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

PLN 522.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7520019-5

MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7520019 Manual

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7641003-2

Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Automatic

PLN 2,849.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9811224

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

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9809354

Mini R55 R56 R60 R61 Air Module ECU Control Unit Module 9809354

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8714621

Mini Cooper One F55 F56 F60 Telematics Control Unit Module 8734756

PLN 854.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8383551

Mini R50 R53 Headlight Aim Range Control Unit Module ECU Xenon 8383551

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9806332

Mini R60 R61 Ultra Sonic Module Alarm System Sensor 9806332

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9387626-1

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

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9240946

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

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9812297

Mini R55 R56 R57 Air Module ECU Control Unit Module 9812297

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6937083

Ultra Sonic Module Mini Cooper R50 R53 Alarm System Sensor 6937083

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6975044

BMW Mini Cooper One R50 Cable Wiring Loom Door Front Left N/S 6962777

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9367673

Mini Cooper F55 F56 F57 Visual Boost Surround Central Cover Instrument 9367673

PLN 170.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8486547

Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT

PLN 1,804.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9213373

Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3453590

Mini Cooper R57 R58 Antenna Bumper Mounted FM/DAB Wiring 3453590

PLN 180.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9144846

Mini Cooper R57 Cabrio Convertible Wiring Loom Harness Rear Trunk Lid 9144846

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7530354

Mini Cooper R50 R52 Power Steering Pump Power Cables 7530354

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9807169

Mini Cooper One R56 R55 R58 R60 R61 Air Module Control Unit ECU 9807169

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8654635

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

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9176194

Mini Cooper R57 R58 R59 Radio Aerial Antenna Amplifier FM 9176194

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 3456995

Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456995

PLN 854.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9343287

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

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6906604-1

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

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9274428

Mini Cooper F54 F55 F56 F57 F60 PDC Parking Sensor Ultrasonic Black 9274428

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6917552-BRG

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

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6906604

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

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7799146

Mini R55 R56 Alternator Supporting Bracket Mount Generator Diesel W16 7799146

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6914396

Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6914396

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9803844

Mini Cooper Countryman R60 R61 Aerial Roof Antenna Base Module 9803844

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9257093

Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9257093

PLN 1,423.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9314023

MINI Cooper R56 LCI Aerial Antenna Amplifier Diversity Module 9314023

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6791372

Mini Cooper R55 R56 R57 LCI Steering Wheel Driver's Side Air Module 6791372

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512415-2

Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6836210

Telematics Control Unit Mini F54 F55 F56 F57 F60 Module 84106836210 6836210

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7527610

Mini Cooper R50 W10 116HP Petrol Engine Control Unit ECU DME 7527610 Automatic

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7586134-2

Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7586134 + CAS3 + Key Manual

PLN 2,374.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3456588-1

Mini R57 LCI Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456588

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9166869

Mini Cooper R56 Hands-free Electronics Charging MULF2 9166869

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7541084

Mini Cooper Cabrio R52 Battery Cable Plus Pole 7541084

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 2757722

Mini Cooper R57 R58 R59 Control Unit Module Bracket Holder PGS 2757722

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. R50-PARK-LANE

Mini R50 Park Lane Sticker Rear Window Decals Plates Set

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3456397

MINI Cooper R58 R59 Aerial Antenna Amplifier Module Rod 3456397

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8516739-3

Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Automatic

PLN 1,139.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7515197-2

MINI Cooper One R50 W10 Battery Cable Plus Pole 7515197

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9257090

Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9257090

PLN 1,329.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9244417

Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9244417

PLN 1,282.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6917544

Mini Cooper R50 R53 Rear PDC Ultrasonic Parking Sensor Pepper White - 850

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7648190-1

Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual

PLN 2,374.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8625074

Engine Wiring Mini F55 F56 Cooper S Petrol B46 B48 Cable Loom Harness 8625074

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8617703

Engine Wiring Mini F56 Cooper S B46 B48 Valvetronic Cable Loom Harness 8617703

PLN 759.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7647591

Engine Wiring BMW i3 I01 Hybrid Rex Sensors Cable Loom Harness 7647591

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6917548

Mini R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9177118

CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9177118

PLN 161.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3428336

Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3428336

PLN 203.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 2752518

BMW Mini Cooper R55 R56 Control Unit Module Bracket Holder PGS 2752518

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6939760-COOL

Mini Cooper R50 PDC Ultrasonic Parking Sensor Cool Blue Metallic A27

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9268336

BMW MINI Clubman R55 R55N LCI Cable Adapter Lead Sensor Side Airbag 9207117

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9224686

BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9224424

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9224687

BMW Mini Clubman R55 LCI Cable Wiring Loom Splitdoor Door Rear Left N/S 9224424

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7542310-7

Mini Cooper R50 W10 Petrol Engine Control Unit Module ECU DME 7542310 Manual

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7356250

BMW E92 LCI Coupe Mini R56 R57 Xenon Headlight Ballast Headlamp Control 7356250

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3455306

Mini R57 Cabrio Convertible DWA Alarm System Relay ECU 3455306 65753455306

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 2751265-7

Cable Wiring Mini R55 R56 Headlight Lamp Front Left N/S Plug Socket 6913653

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7600020-7

Mini R55 R56 R57 N12 DME Petrol Engine Control Unit ECU 7600020

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7527610-4

Mini Cooper S R53 W11 170HP Engine Control Unit ECU Kit DME 7527610 Manual

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512415-5

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

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7790368

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

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8589907

Supply Module BMW F40 F48 Mini F55 F56 F57 Integrated Z11 Control Unit 8589907

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9335243

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

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3450435

Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 3448466

Mini Cooper R55 R56 Control Unit Module Passive Go 3448466

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8617722

Wiring Harness BMW F48 Mini F55 F56 B38 Petrol Engine Servotronic Module 8617722

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 2379303

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

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7574365-1

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

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 93970000052

Trafficmaster Control Module Mini R50 R53 GPS Control Unit ECU 93970000052

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9283529

Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283529

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7557395-16

MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

...

Showing 100-198 of 940 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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