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. A2139003617

Telematics Module Mercedes W176 W207 W205 Bluetooth Control Unit A2139003617

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7619136

BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0959393B

Audi A3 8V Front Door Control Module Unit Right O/S 5Q0959393B

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0018204535

Microphone Mercedes W639 W906 Hands-Free Interior Mic Unit A0018204535

PLN 161.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6943085

BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1K0907530G

Audi A3 8P Gateway Module Diagnostic Interface Control Unit ECU 1K0907530G

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8630125-4

BMW F20 F21 F30 116i 316i N13 136HP Engine Control ECU Kit DME 8630125 Automatic

PLN 2,137.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1646803535

Mercedes-Benz M-Class ML W164 B-Pillar Trim Cover Bottom Left N/S A1646801935

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6C0915181C

VW Volkswagen Polo 6R Negative Minus Earth Cable HV Battery Harness 6C0915181C

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6949229

Mini R52 Cabrio Convertible DWA Rear Door Alarm System Module Unit 6949229

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2208205042

Mercedes-Benz S W220 Front Seat Adjustment Left Motor Actuator N/S A2208205042

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9206056-TS

BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354

PLN 42.95

Delivery - Tue, Jan 13

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Part no. 4H0951253-1

Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit Set 4H0951253

PLN 42.95

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Part no. A0009006907

Mercedes W205 Tire Pressure Control Module A0009006907

PLN 42.95

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Part no. A2059008826

Mercedes C205 SAM Module Rear Comfort Control Unit ECU A2059008826

PLN 132.95

Free delivery - Tue, Jan 13

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Part no. A9065410140

Mercedes-Benz Sprinter W906 Battery Tray Holder Mounting Bracket A9065410140

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8T0971035A

Audi A5 8T Coupe Front Door Wiring Loom Harness Driver's Side 8T0971035A

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9289679

BMW X5 F15 X6 F16 Antenna Amplifier Control Unit Module 9289679

PLN 42.95

Delivery - Tue, Jan 13

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Part no. 6920478

BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8574372

BMW F30 F32 330d 430d Diesel N57N Engine Control Unit ECU DDE 8574372 Automatic

PLN 759.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5H0963554

Volkswagen Golf Mk8 Rear Seat Bench Couch Occupancy Sensor Unit 5H0963554

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1669061202

Mercedes W221 Fuse Box Control Unit Module Relay A1669061202

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009003500

Mercedes W204 W212 Fuel Pump Module Control Unit ECU AMG C63 A0009003500

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8510221-18

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

PLN 180.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 2GA035284A

Seat Ibiza KJ1 VW Polo MK6 Online Services Control Module ECU Unit 2GA035284A

PLN 598.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0005400764

Mercedes W205 Battery Negative Ground Bonding Line Wire Earth Cable A0005400764

PLN 132.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6929347

BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin 6929347 6950704

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8651049

Mini Countryman F60 Battery Ground Earth Mass Cable 8651049

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7618644

BMW Z4 Series E89 Roadster Petrol N20 Cable Alternator-Starter-Base B 7618644

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2078202810

Mercedes W207 Convertible Anti Theft Roof ITS TPS Sensor Module Unit A2078202810

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6949381

BMW E65 E66 Front Door Wiring Door Cable Harness Loom 6949381

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9437949

BMW F20 F21 F22 F30 F31 LCI Radio CD Player Navigation High Head Unit 9437949

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2741501802

Mercedes W213 Engine Wiring Harness Cable Loom A2741501802

PLN 759.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. NU5T-15604-KACN

VW Volkswagen Amarok Mk2 BCM Body Control Module Control Unit NU5T-15604-KACN

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9266838

BMW X3 F15 Can Bus Interface 120Ohm Control Module Unit ECU 9266838

PLN 42.95

Delivery - Tue, Jan 13

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Part no. 9154413

BMW E93 Convertible GPS Aerial Antenna Unit Module 9154413

PLN 61.95

Free delivery - Tue, Jan 13

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. A2469067100-1

Mercedes W176 W246 C117 Fuse Relay Box Unit Cables Wiring Loom A2469067100

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 02E911023T

Seat Leon 5F Engine Starter Motor 2.0 TDI Diesel 02E911023T

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A6519002803-3

Mercedes Vito W447 114 CDI OM651.950 Engine ECU Kit Ignition + 2 Key A6519002803

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6825835

BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9806332

Mini R60 R61 Ultra Sonic Module Alarm System Sensor 9806332

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A9079001403

Mercedes Sprinter W907 Module Control Unit Radar Sensor A9079001403

PLN 949.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. A2129014606-1

Mercedes W212 Display Screen Information Navigation Dashboard A2129014606

PLN 332.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1725402513

Mercedes SLK R172 Rear Window Heating Cable Loom Heat Wiring Harness A1725402513

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2229004213-1

Keyless Go Mercedes GLC X253 Keyless Entry Control Module A2229004213

PLN 80.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3D0909139D

Porsche Cayenne 955 Keyless Module Kessy Control Unit ECU 3D0909139D

PLN 1,700.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2059007615

Module Mercedes W205 Air Conditioning Control Module A2059007615

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6926445

BMW 5 Series E60 E61 LCI Heated Front Seat Control Module 6926445 9182128

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2465400340-2

Mercedes W176 Fuse Relay Box Control Unit A2465400340 A2465400140

PLN 65.95

Free delivery - Tue, Jan 13

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 - Tue, Jan 13

If paid before 14:00

Part no. 8506281-1

BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4H0035670R

Audi A8L 4H Multimedia Radio Sat Nav CD Player SD SIM Head Unit 4H0035670R

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4F7910401L-1

Audi A6 C6 2.7 TDI CANC Quattro 190HP Engine Control Unit ECU Kit 4F7910401L

PLN 1,187.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8679681

BMW F45 i3 i01 Mini F60 High Voltage Connector 8679681

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2909003001-1

Mercedes C238 Transfer Case Torque Distribution Control ECU E53 4matic

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8648843

BMW F45 Mini F60 B38X High Voltage Accumulator Negative Ground Cable 8648843

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6863385

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

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2129006709-1

Mercedes C207 W212 Head Unit High Line Radio Sat Nav DVD Bluetooth A2129006709

PLN 427.95

Free delivery - Tue, Jan 13

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Part no. A0009004434-2

Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434

PLN 427.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2465400340-1

Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0907357

Audi A3 8V Headlight Head Light Lamp Range Control Unit Module ECU 5Q0907357

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8512499-2

BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key

PLN 427.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8T0919603E-1

Audi A4 B8 Display Screen Sat Nav Navigation Dashboard 8T0919603E

PLN 161.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2469000012-2

Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012

PLN 712.95

Free delivery - Tue, Jan 13

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Part no. 8619095

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

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9643218980

Peugeot 206 1.6 NFU TU5JP4 109HP Engine Control Unit ECU 9643218980 Manual

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6832695

Mini Clubman F54 Battery Cable Negative Terminal Wiring 6832695

PLN 94.95

Free delivery - Tue, Jan 13

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Part no. A2048204697-2

Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697

PLN 712.95

Free delivery - Tue, Jan 13

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Part no. A2239053002

Mercedes Vito W447 Aerial Antenna Amplifier Control Unit Module A2239053002

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0915181N

Audi A1 8X Negative Battery Terminal Cable Wiring 8K0915181N

PLN 42.95

Delivery - Tue, Jan 13

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Part no. 8594487

BMW F45 Mini F56 Positive Battery Alternator Starter Cable Wiring 8594487

PLN 94.95

Free delivery - Tue, Jan 13

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Part no. 9318579

BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9318579

PLN 142.95

Free delivery - Tue, Jan 13

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Part no. A2218707526

Mercedes W221 Air Module Control Unit ECU SRS Module A2218707526

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7579155-1

Starter Motor BMW X5 E70 LCI X6 E71 Z4 E89 N20 N55 Petrol Engine 7579155

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9253636

Air Module BMW F10 F11 F13 X3 F25 ECU Control Unit Controller 9253636

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9128602

Cables Wiring BMW E81 E87 LCI Front Bumper PDC Loom Set 9128602

PLN 123.95

Free delivery - Tue, Jan 13

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Part no. 04L907309R-2

Audi A3 8V 1.6 TDI 110HP DBKA Engine ECU 04L907309R Manual

PLN 189.95

Free delivery - Tue, Jan 13

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Part no. A1715400406

Mercedes SLK R171 Window Lifter Lift Mechanism Cable Wiring Harness A1715400406

PLN 47.95

Delivery - Tue, Jan 13

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Part no. 8W1907063AG

Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AG

PLN 1,139.95

Free delivery - Tue, Jan 13

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Part no. 8512047-7

BMW E90 E91 LCI N47N 320d 163HP ECU Module KIT DDE 8512047 Automatic

PLN 759.95

Free delivery - Tue, Jan 13

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Part no. A1775409357

Mercedes W177 M282 Starter Alternator Electrical Wiring Harness A1775409357

PLN 94.95

Free delivery - Tue, Jan 13

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Part no. A2118209626

Mercedes W211 W219 Alarm Control Module Unit ECU A2118209626

PLN 94.95

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Part no. 9174271

BMW F10 LCI Bluetooth Control Unit Module Bracket Holder Mount 9174271

PLN 37.95

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Part no. A2479003216

Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216

PLN 2,374.95

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Part no. 6958525-1

BMW 5 X5 X6 Series 1 E60 E61 E70 F07 F10 F11 Seat Adjustment Switch Left N/S

PLN 47.95

Delivery - Tue, Jan 13

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Part no. A2135406200

Fuse Box Mercedes W213 S213 W238 Rear Electrical Control Unit Module A2135406200

PLN 47.95

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Part no. 9289637

BMW F10 Rear Window Parcel Shelf Loudspeaker Speaker Left Right N/O/S 9289637

PLN 47.95

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Part no. A2129001711

Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129001711

PLN 61.95

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Part no. KD45-57KC0

Mazda 6 GJ Impact Crash Sensor Control Unit Module KD45-57KC0

PLN 42.95

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Part no. 8K0907064DC

Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064DC

PLN 94.95

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Part no. D1BT14D212NA

Ford Transit Connect Mk2 II Bluetooth Control Module Unit ECU D1BT14D212NA

PLN 123.95

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Part no. 9387626

Mini F54 F55 F56 F57 F60 Windshield Rain Light Solar Sensor 9387626

PLN 61.95

Free delivery - Tue, Jan 13

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Part no. 9273630

BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630

PLN 142.95

Free delivery - Tue, Jan 13

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Part no. 9201980

BMW F01 F02 F07 F10 F11 F12 F13 G11 LCI Battery Power Dividing Element 9201980

PLN 332.95

Free delivery - Tue, Jan 13

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Part no. 8654977

BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977

PLN 712.95

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Part no. 9259800

BMW F10 F12 F13 F20 F30 F06 Mini F55 F56 F57 DVD CD Changer Control Unit 9259800

PLN 284.95

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Part no. A1175450800

Negative Battery Terminal Mercedes C117 W176 W246 Lead Connector A1175450800

PLN 47.95

Delivery - Tue, Jan 13

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Showing 3169-3267 of 12190 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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