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. 8371312

BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7560377

Cable Alternator BMW E81 E82 E87 E88 E90 E91 LCI Starter B+ 7560377

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8375964

BMW 5 7 X5 Series E38 E39 E53 Xenon Headlight Aim Control Unit Module 8375964

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9247468

BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9247468

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9119444

BMW E81 E87 LCI E90 E91 E92 Front Fuse Box Power Distribution 9119444

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9290990

Head Unit BMW F20 F21 F30 Radio Professional CD Player Controller Module 9290990

PLN 1,424.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9305712

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9305712

PLN 165.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9153136

BMW F01 F02 F03 LCI Holder Bracket Control Telematics Unit 9153136

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9335347

BMW F20 F21 F30 F31 Radio Player CD DAB Head Unit Audio Player 9335347

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6921980

BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7525696

BMW X5 E53 Ground Battery Cable Alternator Starter 7525696

PLN 66.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9172019

BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module 9172019

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9257152

Telematics Bluetooth BMW F10 F20 F22 F30 Combox GPS Control Unit Module 9257152

PLN 241.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9273584

Seat Belt Module BMW E92 F32 E61 Control Unit LCPA ECU 9273584

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6935597

Parking Sensor BMW E81 E87 E90 E91 PDC Front Rear Titansilber Silver - 354

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7187221

BMW F01 F02 F03 LCI Rear Third Stoplamp Stop Lamp Brake Light 7187221

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9196933

BMW E70 E71 Seat Control Unit Module ECU 9196933

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9164355

Battery Cable BMW E81 X1 E84 E87 Lead Negative 9123571

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9244426

BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 9219647

PLN 218.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8507360

Automatic Gearbox Wiring BMW F10 F11 530d N57 Engine Loom Harness Cables 8513823

PLN 522.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9317176

REM Module BMW F20 F30 Rear Electronic Fuse Box Control Unit V2 ECU 9317176

PLN 104.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6926433

BMW 1 3 Series E87 E90 E91 Mini R56 R57 Seat Control Unit Module Heating 6926433

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7795485

BMW X1 E81 E84 E87 E90 E91 Earth Cable Battery Cable 7795485

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7807802-1

BMW X5 E70 LCI X6 E71 N57 N57S Cable Alternator Starter Base B Wiring 7807802

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9198302

BMW F10 F11 F20 F21 F30 F31 130A Electric Fan Motor Relay 9198302

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8518568-4

BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8518568 Automatic

PLN 379.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6956748

BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Tiefgruen Green A43 6956748

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6772742

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

PLN 1,139.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7800164

BMW F10 F11 N57 N57S Positive Battery Cable Alternator Starter Lead 7800164

PLN 94.95

Free delivery - Mon, Nov 24

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 141.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8736251

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

PLN 284.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 3417586

Electronic Box BMW X3 E83 LCI 2.5si 3.0si N52N Control Unit Mount Holder 3417586

PLN 61.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 6968836

BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836

PLN 18.95

Delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 8806980

BMW i3 I01 LCI Door Wiring Cable Loom Harness Rear Left Right N/O/S 8806980

PLN 94.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9259468

BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9259468

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6868598

BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Control Unit Module 6868598

PLN 46.95

Delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 8586536-6

BMW F30 F32 LCI 335d 435d N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key

PLN 1,709.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9124112

BMW E81 E82 E87 E90 E91 E92 Mini Cooper R55 R56 R60 Rain Light Sensor 9124112

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7514357

BMW Z4 E85 Roadster Cabrio Cable Alternator Starter Base B 7514357

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8577243

BMW X3 F25 Battery Cable Wire Lead Positive Alternator Starter X4 F26 8577243

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9264923

BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264923

PLN 56.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6855558

BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6855558

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9496820

Crash Sensor BMW G20 G26 G80 Front Door Left Right N/O/S Air Impact Unit 9496820

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9232896

Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9232896

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9267203

BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359267203 9267203

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8583657-1

BMW F20 E90 LCI Mini R56 LCI Glow Plug Wiring Wiring Harness Engine Module

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9114135

BMW X5 X6 Series E70 E71 Power Distribution Fuse Box 9114135

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8379941-1

BMW X5 Series E53 Interior Roof Alarm Sensor Ultra Sonic Module 8379941

PLN 46.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8606306

BMW F10 F11 F30 184 HP Petrol N20 Engine Control Unit ECU DME 8606306 Manual

PLN 1,662.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7543297

BMW 5 6 Series E60 E61 E63 E64 N52 Cable Alternator Starter Base B

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9113064

BMW 5 Series E60 E61 LCI Centre Console Switch Cluster Control Unit ECU 9113064

PLN 43.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9227172

BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8364542

BMW E46 X3 E83 Power Distribution Fusebox Cover Fuse Box 8364542

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6867168

BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9268710-1

BMW F01 Display Screen On-Board Central Information Monitor 10,25" 9241819

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7618677

Battery Lead Cable BMW E81 E84 E87 RR1 RR2 RR3 Negative IBS 7618677

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6943085

BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9115449

BMW X5 X6 E70 E71 Power Junction Box Positive Battery Cable Plus Pole 9115449

PLN 332.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9153137

BMW F01 F02 F03 Holder Bracket Control Unit Top Rear Side View 9153137

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8510829-7

BMW E90 E91 LCI N47N 320d 184HP ECU KIT DDE 8510829 + CAS3 + Key Automatic

PLN 758.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9366407

BMW F20 F21 F30 F31 F32 Body Comfort Module FEM ECU LR01 Control Unit 9366407

PLN 664.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9380938

BMW 2 Series F45 Door Wiring Loom Harness Co-Driver's Passenger's Side 9380938

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6836648

BMW G32 Adapter Cable Switch Door Center 6836648

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9873895

BMW F40 Crash Control Unit Air Module ECU Continental 9873895

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6974372

BMW 7 Series 7 E65 E66 E67 Ultra Sonic Module

PLN 28.95

Delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9251702

BMW 1 2 3 Series F20 F21 F22 F30 F31 F32 Connecting Wire Sat Nav Champ/Mask-CID

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9247467

BMW E82 ECU Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9241032

BMW F10 F11 Active Pedestrian Protection PTS Front Bumper Sensor Unit 9241032

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9231321-1

BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9231321

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9335350

BMW F30 F31 F34 GT Radio Professional DAB CD Player 9335350

PLN 1,234.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9151978

BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8" CCC

PLN 142.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 8516253

Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9189905

BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9189905

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8598806-1

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

PLN 1,709.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9252651

BMW 1 2 3 Series F20 F21 F22 F30 Radio Remote Control Receiver 868 MHZ 9252651

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9227766

BMW F11 Touring Tailgate Spoiler Probe AM/FM Sensor 9227766

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7636757

BMW F20 F21 F30 F31 N13 Protection Cap Engine Wiring Harness 7636756

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9279824

Body Control BMW F20 F21 F30 F31 F32 Unit Module REM 9279824

PLN 81.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7545877

Battery Cable BMW E60 E61 E63 E64 N62N Alternator Starter Base B+ Lead 7545877

PLN 218.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9285505

Distribution Junction BMW X5 X6 F15 F16 Power Battery Control Unit 9285505

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9154413

BMW E93 Convertible GPS Aerial Antenna Unit Module 9154413

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9247480

BMW X3 F25 CAS4 Key Reading Module Unit Control ECU 6809374

PLN 161.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8573260-1

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

PLN 360.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8619095

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

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9377150

BMW 1 Series F20 Bluetooth Control Module Unit TCB ECE 9377150

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9326204

BMW X3 F25 B+ Distribution Box Battery Power Front Control Unit Point 9227458

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9222861

BMW 1 3 Series E87 E90 LCI CIC Sat NAV Screen Navigation Professional 9222861

PLN 2,374.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6866986

BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6866986

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

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Showing 496-594 of 4686 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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