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. 9253482-2

BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2055401900

Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900

PLN 237.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8507908

BMW F20 Gearbox Transmission Harness Wiring Loom Manual 8507908

PLN 284.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9291977

Mini Roadster R59 Cabrio Convertible Top Module CVM 61359291977 9291977

PLN 427.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9213373

Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373

PLN 47.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A2059008826

Mercedes C205 SAM Module Rear Comfort Control Unit ECU A2059008826

PLN 132.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2055463100

Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100

PLN 85.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 1472984-1

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

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 6951368

BMW X5 E70 Amplifier Holder Audio Catch Bracket Trim Panel 6951368

PLN 47.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9122274

BMW E60 E61 LCI Front Cables Set Wiring PDC Parking Sensor Bumper 9122274

PLN 189.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8576341-10

BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual

PLN 474.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9218261

Mini Clubman R55 Clubdoor Cable Wiring Loom Harness Set 9154133

PLN 66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2218203375

Mercedes W221 Bluetooth Antenna AMP Amplifier Module A2218203375

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9267456

Control Unit BMW F10 F11 Body Module ECU JBBFE IIIR V2 PL6 ECU 9267456

PLN 55.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9119058

BMW E81 E87 E90 E91 Airbag Control Unit ECU NO CRASH DATA 9119058

PLN 66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1669005511

Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511

PLN 85.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7488140

BMW F10 F20 F21 F30 F31 LCI SCR Control Module ECU Unit 7488140

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8574351-3

BMW X1 E84 18d 18dX Diesel N47N 143HP Engine Unit ECU DDE 8574351 Automatic

PLN 379.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9210861

BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861

PLN 66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 5A130F9

BMW F40 F44 G20 Parking Control Module Unit USS ECU LOW 5A130F9

PLN 161.95

Free delivery - Tue, Nov 25

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 - Tue, Nov 25

If paid before 14:00

Part no. A6398201689

Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689

PLN 664.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6269060100

Starter Mercedes W205 Diesel OM626 Engine Starter Motor Bosch A6269060100

PLN 237.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9319918

Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6972611

BMW 5 Series E60 E61 Wiring Rear Left Right Door Cable Harness N/O/S 6982362

PLN 75.95

Free delivery - Tue, Nov 25

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 - Tue, Nov 25

If paid before 14:00

Part no. 7545142

BMW Z4 Series E85 N52 Roadster Cable Alternator Starter Base B+ 7545142

PLN 65.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9270490

BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490

PLN 47.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8Y0963554A

Audi S3 8Y Rear Seat Couch Occupancy Recognition Sensor Unit 8Y0963554A

PLN 66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0018204535

Microphone Mercedes W639 W906 Hands-Free Interior Mic Unit A0018204535

PLN 161.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2049005503

Mercedes C207 Complete Damper Adjustment Control Module ECU A2049005503

PLN 284.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8621486

BMW F20 F21 LCI F36 F87 M2 N55 Cable Alternator Starter Base B Wiring 8621486

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8582280-5

Engine Control Unit BMW F20 F30 F31 118d 318d N47N 143HP ECU DDE 8582280 Manual

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6421509478-3

Mercedes W164 ML320 OM642.940 224 HP 4Matic Engine ECU Kit A6421509478 Automatic

PLN 1,139.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8V4971687K

Audi A3 RS3 8V 5Dr Door Harness Loom Wiring Rear Left Right N/O/S 8V4971687K

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9499001

BMW F20 F21 F30 F31 F32 BCM Body Control Unit Module REM 9329701

PLN 75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9381837

BMW X1 F48 Mini F55 F56 Air Module Control Unit ECU 9381837

PLN 360.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6906614-1

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

PLN 47.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 7640508-2

BMW 1 3 4 Series F20 F21 F30 F31 F32 F33 Cooling Fan Control Unit Radiator

PLN 84.95

Free delivery - Tue, Nov 25

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 - Tue, Nov 25

If paid before 14:00

Part no. 7577068-2

BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 CAS3 Key Automatic

PLN 1,709.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9298960

REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960

PLN 56.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9255048

BMW 1 Series E81 E87 E87N Battery Wire Cable Negative Earth Lead 9255048 6929705

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A1728208710

Mercedes W176 W246 Roof Towing Alarm Sensor Switch Module A1728208710

PLN 46.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8R0907468AE

Audi A5 8T 2.0 TDI Gateway Control Module Unit ECU 8R0907468AE

PLN 432.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8586573

BMW F20 F30 LCI Wiring Harness Engine Gearbox Module 120dX 320dX B47 8586573

PLN 712.95

Free delivery - Tue, Nov 25

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 - Tue, Nov 25

If paid before 14:00

Part no. 8383551

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

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 06M907309D-1

Audi SQ5 FY 3.0 TFSI 354HP CWGD Quattro Engine ECU Kit Gateway + Key 06M907309D

PLN 2,374.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 504092575

Iveco Daily 3 Electrical Wire Earth Cable Battery Power Wiring 504092575

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 3456016

Mini R55 R56 R57 R58 R60 Control Unit PDC Parking Sensor Module 3456016

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A2049069701-1

Mercedes W204 Radio Player Audio 20 Navi CD Player Head Unit A2049069701

PLN 237.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2701504400

Mercedes W176 M270 Petrol Engine Wiring Harness Loom Cable A2701504400

PLN 807.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009006516

Bluetooth Module Mercedes S205 W205 W177 Active Parking Assist Control Rear

PLN 474.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7P6035670B

VW Volkswagen Touareg 7P CD Radio Stereo Head Unit Panel 7P6035670B

PLN 1,519.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9152262

BMW X5 E70 X6 E71 Front Crash Impact Sensor Module 9152262

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9459673

Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 7943747

PLN 237.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A9425426040

Mercedes Sprinter W906 Fuse Box Relay Carrier Holder Bracket A9425426040

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 6958414

BMW E60 E61 Alarm System Unit Ultra Sonic Module 9149673

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 3C0937125A-1

VW Volkswagen Tiguan 5N Passat B7 Engine Bay Fuse Relay Box Terminal 3C0937125A

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 6887752

ICM Air Module BMW F20 F21 F22 F30 F31 Control Unit ECU 6887752

PLN 85.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7567776

Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A2469003417

Parking Brake Module Mercedes W176 W231 W246 Electric Control Unit A2469003417

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8T0959792D

Audi A5 8T Front Door Control Module Unit Left N/S 8T0959792D

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7636757

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

PLN 47.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A0038202826

Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8W0959592E

Audi A4 B9 Front Door Control Module Unit Passenger Side ECU 8W0959592E

PLN 180.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6944500

BMW 5 6 Series E60 E61 E63 Driver's Side Door Airbag Control Unit Module 6944500

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9462544

BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 9462544

PLN 75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009004839

Mercedes C118 W177 C247 Battery Control Module Unit ECU A0009004839

PLN 1,519.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 1508931-1

Mini Cooper S R53 Positive Battery Cable Plus Pole Wiring Loom Harness 1508931

PLN 332.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9254025

BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A1679004511

Door Module Mercedes W205 W213 C253 Rear Left N/S Control Unit ECU A1679004511

PLN 265.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9270355

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7837273

BMW 1 3 Series E81 E87 E90 E91 PDC Parking Ultrasonic Sensor Le Mans Blau Blue

PLN 27.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9306220

Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 4E0035729

Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7530354

Mini Cooper R50 R52 Power Steering Pump Power Cables 7530354

PLN 75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8P3035223B

Audi S3 8P Audio Sound System Amplifier Bose 290328

PLN 113.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6805893

Mini F60 Countryman Door Wiring Harness Rear Left Right N/O/S 6805893

PLN 113.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 4H0907401M

Audi A8 4H 3.0 TDI CTBA Quattro 258HP Engine Control ECU 4H0907401M

PLN 1,899.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 1K0971250AL

Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 1K0035507L

VW Volkswagen Scirocco Mk3 Roof Top Antenne Control Unit Module 1K0035507L

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A1775402811

Mercedes W177 W243 W247 Rear Door Wiring Harness Cable Left N/S A1775402811

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 406349

Mini Cooper One R50 R52 R53 iPod Interface Control Unit Module 0406349

PLN 75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2539000100

Rain Light Sensor Mercedes X253 Windschield Sensor Module Unit A2539000100

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A6261500075

Mercedes W205 Alternator Protective Cover Metal Sheet A6261500075

PLN 47.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 6956744

BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744

PLN 27.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8A0937530

Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 1Z0035111A

Skoda Octavia II Head Disc CD Changer Player Unit 1Z0035111A

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 6925964

BMW X3 E83 Drive For Window Lifter Motor Front Right O/S 6925964

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9866979

BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9866979

PLN 170.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9316576

BMW 3 Series F30 F31 Battery Cable Wire Lead Positive Underfloor 9316576

PLN 379.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6952290

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

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2168204726

Mercedes W221 Bluetooth Control Module Mobile Phone Interface A2168204726

PLN 75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9160189

BMW 1 Series E87 LCI ECU Body Control Module H2 ECU 9160189

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8470176-4

Mini Cooper D F55 F56 B37 1.5 116HP Engine ECU Kit DME BDC + Key 8470176 Manual

PLN 1,567.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9665162580

Peugeot Partner Citroen Berlingo 1.6 HDI Engine Wiring Cable Bracket 9665162580

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 6945387

BMW X3 X5 Series E53 E83 E87 Hands-free Electronics Charging Module MULF 6945387

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

...

Showing 2872-2970 of 11506 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