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. 6922211

BMW E81 E87 E90 E60 Mini R55 R56 R57 Interior Aerial Comfort Access 6922211

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6887752

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

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6950181

BMW E93 Aerial Antenna Amplifier Diversity Control Module 6950181 9187798

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6975015

BMW 1 3 X1 Z4 Series E81 E84 E87 E88 E89 E90 E91 E92 Radio Business CD 6975015

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9226331

BMW E87 LCI ECU Body Control Module Unit H2 9226331

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A6519000601

Mercedes-Benz W906 313 CDI OM651 Diesel Engine Control Unit CRD ECU A6519000601

€123.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 3428715

MINI Cooper One R56 R55 R58 R60 R61 Airbag ECU Control Module 3428715

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 3453791

BMW X3 E83 LCI Crash System Control Unit Module ECU 3453791

€47.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6933242

Mini Cooper One R50 R52 R53 Side Air Module Control Unit 6933242

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7168154

Mini Clubman R55 LCI Wiper Motor Actuator Window Right Rear O/S 7168154

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7521123

BMW E60 E65 X5 E70 E81 E87 E90 F20 X3 F25 F30 Starter Motor 7521123

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A1648203085

Mercedes ML W164 Window Windscreen Rain Light Sensor A1648203085

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2229000905

Mercedes W205 PDC Park Assist Control Module Ecu A2229000905

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6858698

BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6858698

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6865298

BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6865298

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7599881-4

BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual

€165.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A6511501879

Mercedes W639 OM651.940 113 CDI 136HP Engine Unit Module ECU A6511501879 Manual

€170.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6943085

BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 1724740

BMW E36 E39 E46 Engine Starter Electrical Earth Cable 1724740

€23.95

Free delivery - Wed, Jan 21

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

€32.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 8240500

Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9261606

BMW 1 2 F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Mineralweiss White A96

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9114342

Distance Control Sensor BMWE81 E87 E90 PDC Parking Sensor Montego Blue 9114342

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9133281

BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281

€37.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9114135

BMW X5 X6 Series E70 E71 Power Distribution Fuse Box 9114135

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A0045428718-1

Mercedes W203 W211 Parking Distance Sensor PDC Iridium Bright Silver

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 3448379

Mini R55 R56 R57 R58 R60 R61 Control Unit PDC Parking Sensor Module 3448379

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7550469

BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469

€28.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9276099

BMW F01 F10 Diversity Aerial Antenna Amplifier Module DAB 9276099

€35.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9196938

BMW E93 Seat Control Module Unit ECU 9148266

€32.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9331597

BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597

€51.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 1388911

BMW E36 E38 E21 E85 R52 R57 Change-Over Contact Relay Violet 1388911

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 4M0035507

Audi A3 8V A4 B9 Telephone Antenna Amplifier Module Unit Booster 4M0035507

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 8514120

Preheating Control BMW F20 F21 F30 F31 LCI B47 Glow Plug Unit Diesel 8514120

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6956746

BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Monaco Blue A35 6956746

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9119357

BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9119357

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2128203985

Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7796892

BMW E60 E61 X3 E83 X5 E70 X6 E71 Starter Motor Diesel 7796892

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2125405710

Mercedes W212 PDC Wiring Parktronic Parking Sensor Cable Rear A2125405710

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7631109

BMW F20 F21 F30 F32 F87 Battery Cable Negative IBS 7631109

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9317872

BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784

€42.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9241826

On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826

€94.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9213372

Mini Cooper One R55 R56 R58 Electrical System Fuse Distribution Box 9213372

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6950131

BMW X3 E83 Z4 E85 Front Rear Door Mid-range Audio Loudspeaker 6950131

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2129018508

Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105

€28.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2129009729

Mercedes W176 W207 W212 Keyless Door Lock Module ECU Unit A2129009729

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6807633

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

€42.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A0009007604

Adblue Module Mercedes W205 W213 W177 W907 SCR Control Unit EGR ECU A0009007604

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9150889

BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889

€47.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6856980

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

€113.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9279822

BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9279822

€32.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7610011-3

Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key 7610011 Manual

€398.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 3414122

BMW X3 E83 Sensor Air Module Front Impact Crash Sensor 3414122

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A1715420123

PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 3449504

Mini Cooper One R55 R56 Electrical System Fuse Distribution Box 3449504

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9866982

BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 1504536

Pressure Hose Mini Cooper One Cabrio R50 R52 R53 Compressor Condenser 1504536

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9803844-1

Mini Cooper Countryman R58 R60 R61 Aerial Roof Antenna Base Module 9803844

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A1698206626

Mercedes W169 W245 Airbag System Control Unit Module ECU A1698206626

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6927572

BMW X3 E83 Z4 E85 Wiring Seat Occupancy Cable 6927572

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 8J0959651

Audi A3 8P Air Module Crash Impact Sensor 8J0959651

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9196669

CD Changer 6 Disc BMW E81 E87 E90 E91 E92 Without Magazine 9196669

€32.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9371130

BMW F30 Seat Control Unit Seat Module Unit Controller ECU 9371130

€47.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A1699010100

Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100

€51.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A9079004105

Air Module Mercedes Sprinter W907 W910 Control Module ECU A9079004105

€85.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9128602

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

€32.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7823706

Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706

€37.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A0038207726

Mercedes W212 Siren Alarm Horn Signal Module Unit A0038207726

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7798012

BMW 1 3 5 Series E60 E87 LCI E90 E91 N47 Preheater System Starter Cable Lead

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9355549

BMW 1 2 3 4 Series F20 F22 F21 F30 F32 LCI ECU USB Hub Module 9355549

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 7592508

BMW X5 E70 E90 LCI F20 Engine Wiring N55 Valvetronic Servomotor Cable 7592508

€32.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 3416765

Mini Cooper One R56 Antenna Amplifier Aerial Diversity Module 3416765

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6940236

BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A9069005701

Mercedes W639 W906 Air Module SRS Control Unit ECU A9069005701

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2711540802

Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802

€56.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A0009008214

Mercedes W177 W247 W447 W907 Fuel Pump Module Control Unit ECU A0009008214

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6862756

BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6862756

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A1698207326

Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9809354

Mini R55 R56 R60 R61 Air Module ECU Control Unit Module 9809354

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 1508927-1

Mini Cooper S R52 R53 Positive Battery Cable Fuse Box Module B 6911180

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9284974

BMW F10 F11 On-board Central Information Display Screen Monitor 10,25" 9284974

€113.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 8511958

Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958

€37.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 6926435

BMW 1 3 Series E87 E90 Mini R56 R57 Seat Control Unit Module Heating 6926435

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A0009003101

Mercedes W204 W212 W221 Fuel Pump Module Control Unit A0009003101

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9196705-BLK

Mini Cooper R55 R56 R57 R58 R60 Rear PDC Ultrasonic Parking Sensor Black 9196705

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9181965

Mini Cooper One Cabrio R50 R52 Air Con A/C Conditioning Pipe Hose Evaporator

€23.95

Free delivery - Tue, Jan 20

If paid before 14:00

Part no. A1728100011

Mercedes W176 W204 W212 Navigation Control Unit Module NTG 4.5 A1728100011

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9270034

MINI Cooper One F55 F56 F57 Rear Antenna Aerial Amplifier DAB 9270034

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2129004203

Mercedes W212 Boot Lid Control Unit Trunk Lid Module A2129004203

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2129006318

Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2129006318

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9362395

BMW F20 F30 F31 F34 Electrical Body Control Unit Module REM V2 9362395

€42.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 8377654

BMW X5 E53 AmplifIer Trap Circuit Antenna Booster Diversity 8377654

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2118701310

Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310

€28.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2038201485

Mercedes W203 Door Control Module Front Right O/S A2038201485

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A0009006713

PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713

€47.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A9065420518

Mercedes-Benz W639 W906 ESP Yaw Rotation Rate Sensor Control Unit A9065420518

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. A2128204926

Mercedes W212 Crash Impact Air Module Sensor Front Unit A2128204926

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 9262753

BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753

€56.95

Free delivery - Wed, Jan 21

If paid before 14:00

Part no. 3453954

Mini Cooper One R57 R58 Aerial Antenna Amplifier Diversity Module 3453954

€23.95

Free delivery - Wed, Jan 21

If paid before 14:00

...

Showing 199-297 of 12714 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