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. 03E971612AE

Volkswagen Polo 6R Mk5 Engine Wiring Loom Harness Cable 03E971612AE

PLN 569.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2118203042

Mercedes E-Class W211 S211 Front Right Door O/S Window Lifter Motor Regulator

PLN 47.95

Delivery - Tue, Nov 25

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 - Tue, Nov 25

If paid before 14:00

Part no. A1765450000

Mercedes-Benz A-Class W176 Bluetooth Unit Module Bracket Holder A1765450000

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8C1T14303CA

Ford Transit Mk7 Negative Battery Terminal Cable Wiring 8C1T14303CA

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1779061302

Mercedes EQA H243 W247 Fuse Box Relay Control Unit Module A1779061302

PLN 284.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6850783

BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6850783

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6989588

BMW 3 X1 Series E91 LCI E84 Switch Cluster Cruise Control Stalk Unit 6989588

PLN 617.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6977982-2

Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 2X 6977982

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A6519007401

Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine Module ECU A6519007401

PLN 379.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 3437180

BMW E83 Telephone Bluetooth Roof Aerial Module Control Unit 3437180

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A2048210651

Mercedes W204 Air Module Impact Crash Sensor Door A2048210651

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 6952914

Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9118263

BMW F01 F02 F03 F10 Antenna Amplifier Module Trap Circuit 9118263

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8W0959655P

Audi A4 B9 Air Module System Control Sensor ECU Unit 8W0959655P

PLN 474.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8512415-12

Mini Cooper SD R60 ALL4 N47N 143HP Engine Control Unit ECU DDE 8512415 Automatic

PLN 284.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9380334

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9380334

PLN 151.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 06E971627Q

Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627Q

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9264924

BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A2469050101

Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier

PLN 37.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A1645403572-1

Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403572

PLN 664.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 443937105B

VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9267205-1

BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9267205

PLN 104.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6942990

BMW 5 6 Series E60 E61 E63 E64 Actuator Air Distribution Flap Matrix Heater

PLN 47.95

Delivery - Tue, Nov 25

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, Nov 25

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, Nov 25

If paid before 14:00

Part no. 8602123

BMW i3 I01 Hybrid Electric Earth Ground Cable Line Strap Battery Lead 8602123

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9186170

BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170

PLN 47.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8517874-6

BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual

PLN 949.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8P0907357F

Audi S4 B7 Headlight Head Light Lamp Range Control Unit Module ECU 8P0907357F

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9328591

BMW X6 F16 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9328591

PLN 123.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7852129

Alternator BMW F90 M5 F91 M8 S63M Petrol Engine Generator 250A Valeo 7852129

PLN 1,614.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6395450203

Mercedes-Benz Vito W639 Fuse Box Cover Cap Trim A6395450203

PLN 75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0009003101

Mercedes W204 W212 W221 Fuel Pump Module Control Unit A0009003101

PLN 123.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2046190048

Mercedes-Benz C W204 Rear Battery Support Holder Mount Bracket A2046190048

PLN 28.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A6402002770-1

Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel

PLN 112.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9352861

FEM Unit BMW F20 F22 F30 F32 Control Unit Module ECU Fuse Box 9352861

PLN 569.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8511372-2

BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic

PLN 1,187.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9314023

MINI Cooper R56 LCI Aerial Antenna Amplifier Diversity Module 9314023

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6879833

Air Module BMW F20 F21 F22 F30 F31 ECU ICM Control Unit ECU 6879833

PLN 70.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 4L0959655C

Audi Q7 4L Air Module Control Unit ECU Impact Sensor 4L0959655C

PLN 85.95

Free delivery - Tue, Nov 25

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 - Tue, Nov 25

If paid before 14:00

Part no. A0005456616

Mercedes W212 Automatic Gearbox EGS Control Module Unit ECU A0005456616

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6541592501

Mercedes W213 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541592225

PLN 75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7176068

BMW X3 E46 E63 E83 Mini R50 R53 Control Unit Xenon Light 1307329074

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8574351-2

BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 Manual

PLN 569.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A4475402231

Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231

PLN 113.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. RHD-8T2035186Q

Audi S3 8V Multimedia MMI Radio Stereo Audio Head Unit CD Player 8T2035186Q

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8586568

BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568

PLN 237.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8507202-2

BMW 3 Series E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Automatic

PLN 1,139.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7823310

BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2115452601

Mercedes ML W164 Prefuse Fuse Distribution Box Front A2115452601

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9231174

BMW 3 4 F30 F32 Touring Amplifier Rear Window Antenna Diversity 9231174

PLN 66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 05E903026B

Volkswagen Golf Mk7 Audi A3 8V Alternator 14V 140A 1.5 TSI 05E903026B

PLN 246.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6922528

BMW 5 Series E61 E61N LCI Holder Bracket Additional Battery 6922528

PLN 28.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9316568

BMW X5 F15 X6 F16 Front Fuse Box Relay Module Control Unit 9316568

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6929345

BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin GPS Radio Tel 6929345

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 02M911024Q

Volkswagen Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024Q

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 191937503

VAG VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 191937503

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 9365304

BMW F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Control Module 9365304

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7522284

Mini Cooper One R50 R52 W10 Battery Cable Plus Pole 7522284

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8K0907247

Audi A6 4G Keyless Entry Amplifier Control Box Module Aerial Antenna 8K0907247

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1645400641

Mercedes-Benz M-Class W164 Battery Ground Earth Strap Cable Wiring A1645400641

PLN 123.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1715403932

Mercedes SLK R171 Rear Bumper PDC Wiring Loom Parking Sensor Cable A1715403932

PLN 141.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9177979

BMW E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9177979

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 95B907530P

Porsche Macan 95B Body Gateway Module ECU Control Unit 95B907530L

PLN 379.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6906600-1

BMW Mini Cooper R50 R52 R53 JCW Fuse Box Housing 6906600

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9362445

BMW F20 F21 F22 Audio Amplifier Harman Kardon Active Sound Design Unit 9362445

PLN 379.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1635409008

Mercedes-Benz M ML W163 Radio Aerial Antenna Amplifier Wiring Loom A1635409008

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 1742690

BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 7520933

Mini Cooper One W10 R52 Wiring Harness Loom Engine 7520933 7531839 7514274

PLN 74.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A0015424523

Parktronic Display Mercedes W207 W212 PDC System Parking Sensor A0015424523

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8581751

BMW F40 MINI F56 F57 F60 Engine Control Unit ECU Box Top Cover Shield 8581751

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A2079011900

Air Bag Module Mercedes W207 A207 Control Unit ECU Airbag Sensor A2079011900

PLN 474.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1729002301

Mercedes SLK R172 Door Control Unit Module Front Left N/S A1729002301

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6985363

BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9221713

BMW F01 Front Bumper PDC Wiring Loom Cable Harness F02 9221713 9221712

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9229880

BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9229880

PLN 189.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 2H0959652

Porsche Macan 95B VW Amarok Front Crash Impact Sensor Air Module 2H0959652

PLN 170.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9192124

BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A9079005303

Mercedes Sprinter W907 W910 Control Unit Module ECU A9079005303

PLN 379.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 6797439

BMW F07 GT ICM Management Control Unit Module DSC Brakes 6797439

PLN 189.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 4F0035056B

Audi A6 C6 Head Unit Radio CD Player Control Unit Module 4F0035056B

PLN 854.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 7541009

BMW E90 E90N E91 E91N E92 E92N E93 LCI NOX Wiring Loom Cable 7541009

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A2128270128-IRS

Roof Antenna Mercedes W212 Shark Trim Panel Iridium Silver - 775 A2128270128

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8X0907063AB

Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB

PLN 161.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A6519005301-5

Mercedes W212 E220CDI BlueEFFI OM651.924 170HP Engine ECU A6519005301 Automatic

PLN 427.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1728200815

Mercedes W204 C207 Centre Console Aux Port Socket Plug Terminal A1728200815

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8519663-1

Mini Cooper SD R56 LCI N47N 143HP Diesel Engine ECU Kit DDE 8519663 CAS 3 Key

PLN 379.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8K0959792

Audi A4 B8 Door Module Control Unit Module ECU Front Left N/S 8K0959792

PLN 75.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2229009915

Keyless Module Mercedes W205 W213 ECU Door Lock Control Unit A2229009915

PLN 66.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8X0959793E

Audi A1 8X Q3 8U Front Door Module Driver's Side Control Unit ECU 8X0959793E

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 9811263

Mini Cooper R60 Wiring Loom Front Door Cables Passenger Side 9811263

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A1699000700

Mercedes A B Class W169 W245 Door Control Module Front Right O/S A1699000700

PLN 94.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. A2045455640

Mercedes Benz C E W204 W207 Control Unit Module SAM Bracket Mount A2045455640

PLN 18.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. A2389058501

Antenna Mercedes A205 Convertible Telephone Antenna Module A2389058501

PLN 142.95

Free delivery - Tue, Nov 25

If paid before 14:00

Part no. 8385157

BMW X3 E46 E83 LCI Start Point Housing Bracket Base B 8385157

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 8600358

BMW F20 F30 LCI MINI F55 F56 Integrated Relay Supply Module 8600358

PLN 42.95

Delivery - Tue, Nov 25

If paid before 14:00

Part no. 3417160

BMW X3 E83 LCI Cable Alternator Starter Base B 3417160

PLN 61.95

Free delivery - Tue, Nov 25

If paid before 14:00

...

Showing 793-891 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