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.

More information

Make

Category

Subcategory

Condition

In Stock

Price

Products in promotion

Part no. 6837359

Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7639661

BMW F20 Alternator Engine Alternator Generator Denso 170A Petrol N55 7639661

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6856980

BMW F01 F10 F11 F30 F31 AHK Towing Hitch Tow Bar Control Module Unit ECU 6856980

PLN 474.95

Free 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. A1779069601

Mercedes W177 W247 Fuse Box Front Relay Engine Control Unit Module A1779069601

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1729007600

Seat Module Mercedes W204 Front Right O/S Memory Control Unit A1729007600

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0035423019

Power Relay Control Mercedes W176 W246 Module 4 Pin 12V 20A A0035423019

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8617709

BMW Mini Cooper F55 F56 Wiring Harness Motor Sensorsystem Module 8617709

PLN 503.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8582280-3

BMW F20 F21 116d N47N 116HP ECU Kit DDE 8582280 + Key + Lock + FEM Manual

PLN 1,234.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0937084DC

Audi A3 RS3 8V Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DC

PLN 132.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1644400937

Mercedes ML W164 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1644400937

PLN 151.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8574095

BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8574095 Manual

PLN 170.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5L0051236H

Skoda Yeti 5L Octavia III Card Map Sat Navi Navigation Europe 2015 5L0051236H

PLN 80.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2469003615

Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615

PLN 284.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 7508637

BMW 7 Series E65 E66 N62 Starter Motor 1,8KW Petrol 7508637 7508635

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0015422623-2

Mercedes W639 PDC Display Parking Sensor Screen Control Unit A0015422623

PLN 127.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8T2035110B

Audi A5 8T Radio Head Unit Navi CD DVD Player Changer 8T2035110B

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1695403905

Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Rear Left Right

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A1648200485

Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485

PLN 75.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 8576333-1

BMW F10 F11 520d X3 F25 20dX N47N 184HP ECU Kit DDE 8576333 Key CAS4 Automatic

PLN 902.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3D0919283C

Volkswagen VW Phaeton 3D PDC Parking Sensor Control Unit Module 3D0919283C

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1669000618

Mercedes-Benz A B Class W176 W246 Front Right Door O/S Control Unit Module ECU

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8Y0971365N

Audi A3 8Y Seat Belt Warning System Wiring Harness Cable Loom System 8Y0971365N

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009062103

Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9274570

BMW F20 Head Unit Navigation GPS Sat Nav Infotainment DAB High F10 F30 9274570

PLN 759.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2319009106

Door Module Mercedes R231 Front Door Right O/S Control Module A2319009106

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9168336

BMW X1 E84 Diversity Aerial Antenna Amplifier DAB 9168336

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8X0971845C

Audi A1 8X Fuse Box Relay Control Unit Module Bracket Holder 8X0971845C

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5A243F5-1

Ultrasonic Sensor BMW F70 G60 U06 Rear Parking PDC Set Portimao Blue - C31

PLN 522.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8517862-3

BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM

PLN 1,044.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7857786

BMW F09 F10 F12 F13 Differential Locking Module Control Unit ECU 7857786

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5B4E028

Remote Control Receiver BMW F70 X5 G05 G60 U06 Mini F65 Radio Module 5B4E028

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 241268711R

Door Wiring Renault Master 3 Rear Sliding Cable Harness 241268711R

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 03E906019M-2

Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine Control ECU Kit 03E906019M Manual

PLN 664.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2129001529

Mercedes-Benz C E Class W204 W207 W212 Front Left Door N/S Control Unit Module

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 4G5971030DJ

Audi A6 C7 Front Door Wiring Harness Loom Left N/S Passenger's Side 4G5971030DJ

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9165623

BMW X5 X6 Series E70 E71 Airbag Control ECU Unit Module 9165623

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2059006047

SAM Module Mercedes W205 GLC X253 Rear Comfort Control Unit ECU A2059006047

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9264917

BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3C0937125A

Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9321879

BMW F10 LCI Body Control Module Gateway ECU 9321879

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7316535-3

BMW F06 F13 Sliding Sunroof Drive Motor Unit Webasto 7316535

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7M0951253C-2

VW Touareg 7L Audi Q7 4L Relay Black Control Unit 5 Pin 404 12V Set 7M0951253C

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8512047

BMW E90 E91 LCI N47N 320d ed ECU KIT DDE CAS 3 Key 8512047 Manual

PLN 759.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A6395406809

Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406809

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 3C0907651

Volkswagen VW Golf Mk6 1K Acceleration Sensor 3C0907651

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A1775408609

Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9257098

BMW F10 F11 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9257098

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9382516

PDC Module BMW F15 F16 F25 Mini F55 F56 Parking Assistant Control Unit 9382516

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A9065400341

Battery Cable Mercedes Sprinter W906 Negative Lead Wiring Harness A9065400341

PLN 51.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9340522

BMW 5 F10 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9340522

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9389070-1

BMW F36 Fuse Box Control REM Electric Power Distribution 9389070

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 912034H670

Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91203-4H670

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8X0035225J

Audi A1 8X Antenna Booster Amplifier Upper Rear Right O/S 8X0035225J

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009827723-1

Mercedes W176 W204 W246 Fuse Relay 4-Pin Unit Black Hella SET X2 A0009827723

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4L2035670J

Audi Q7 4L Head Unit Radio Player Navigation Control Module Alpine 4L2035670J

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6807633

Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 6807633

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 51871158

Vauxhall Combo Fiat Doblo Positive Battery Cable Lead Wire 51871158

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7P0907311-1

Volkswagen Touareg 7P 3.0 TDI CASD 204HP Engine Unit ECU Set 7P0907311 Automatic

PLN 2,944.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7L0959772

VW Volkswagen Golf Mk5 Phaeton 3D Heated Seat Control Module Unit 7L0959772

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 04E971612ES

Seat Ibiza 6J Engine Wiring Harness Loom Manual Gearbox 1.2 TSI CJZC 04E971612ES

PLN 180.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2229001306

Mercedes W910 Gearbox Module Transmission Basic Control Unit A2229001306

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2125400382

Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9119578

Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6949081

BMW 1 3 Series E81 E82 E88 E92 Front Seat Easy Entry Adapter Wire Cable 6949081

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9184810

BMW X6 E71 Wiring Set Wash Water Container Cable Loom 9184810

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6835346

Mini F60 Rear Door Harness Loom Cable Wiring Left Right N/O/S 6835346

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2239052400

Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2075404207

Mercedes W204 M276 NOX Sensor Adapter Right O/S Harness Wiring Cable A2075404207

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4E0035225BQ

Audi A8 D3 Aerial Amplifier Antenna Receiver Signal Booster Unit 4E0035225BQ

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6972064

BMW 1 3 X1 SERIES E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6972064

PLN 18.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9231280-TS

BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3425833

BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0003427200

Mercedes EQA350 H243 4matic Electric Voltage Converter Module A0003427200

PLN 1,614.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0035421019

Relay Mercedes C117 GLA X156 ML W166 W176 W246 5 Pins Yellow A0035421019

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2048704626

Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048704626

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 4H0907801F

Audi A6 C7 Parking Brake Handbrake Module Control Unit 4H0907801F

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A4155404305

Microphone Cable Mercedes Citan W415 Wiring Loom Cable Harness 27083202

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7G92-14324-AE

Earth Ground Cable Land Rover Freelander 2 Line Strap Battery Lead 7G92-14324-AE

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9284976

BMW F13 F12 F06 Daschboard Display Central Information Display Monitor 9284976

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04L907309R-3

Audi A3 8V VW Golf VII 2.0 TDI 150HP CRLB Engine Unit ECU Kit 04L907309R Manual

PLN 569.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1665402102

Battery Cable Mercedes W166 C292 Starter Alternator Wiring Harness A1665402102

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2079012500

Air Module Mercedes C204 C207 Sensor Control Unit ECU A2079012500

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 04E907309AB

Audi A3 8V 1.4 TFSI CZEA 150HP Engine Control Unit ECU Kit 04E907309AB Manual

PLN 947.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1384487080

Citroen Relay 35L III Battery Negative Earth Lead Harness Diesel 1384487080

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8506281

BMW E81 E87 E90 LCI 116d 316d 118d 318d N47 Engine ECU DDE 8506281 Manual

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2059006651

Mercedes C205 GLC C253 Body Control Comfort Module Unit SAM BCM A2059006651

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9279823

BMW F30 REM Rear Electronic Module Fuse Box Control 9279823

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6933410

BMW E85 Fuses Electrical Fuse Set 6933410

PLN 42.95

Delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 9270490

BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0951253

VW Volkswagen Audi Seat Relay 449 Unit Module 4 Pins 1K0951253

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9361116

BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9361116

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1779007716

Mercedes W177 Front Door Control Module Left Right N/O/S Unit ECU A1779007716

PLN 265.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9210135

BMW F07 GT Rear Door Wiring Loom Cable Harness 9210135

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2054404136

Mercedes W205 Battery Lead Wiring Loom Cable Hybrid Cable Harness A2054404136

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2038201485

Mercedes W203 Door Control Module Front Right O/S A2038201485

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

...

Showing 2278-2376 of 12186 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 .

used parts volkswagen car parts mercedes used car parts cheap car parts audi auto parts spare parts genuine used audi parts bmw starters, alternators, ecus & wiring mercedes starters, alternators, ecus & wiring mini starters, alternators, ecus & wiring audi starters, alternators, ecus & wiring volkswagen starters, alternators, ecus & wiring