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. 9805422

BMW Mini Cooper One R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 Earth Ground Cable

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A1665402350

Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4H0907658

Audi A3 8V A5 8T A6 A7 Air Quality Sensor Control Unit 4H09076588

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 4L0910289K

Audi Q7 4L Body Control Comfort Unit Module BCM Unit ECU 4L0907289K

PLN 759.95

Free delivery - Tue, Jan 13

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, Jan 13

If paid before 14:00

Part no. 9491419

BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9317173

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V1 9317173

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6982652

BMW 1 Series E82 E88 Positive Battery Lead Cable Wire 61126982652 6982652

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A1665450403

Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7810863

Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 7810863

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6C1Q-10K019-AC

Ford Transit MK7 2.4 TDCi Diesel Alternator Bracket Mount Support 6C1Q-10K019-AC

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. BK2T15607AC

Immobilizer Antenna Ford Transit MK8 Control Module Unit BK2T15607AC

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7075943-2

BMW E60 E61 E65 Front Left N/S Seat Height Adjustment Drive 7075943

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2129004414

Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129004414

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 3448379

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

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2059004021

Mercedes W205 GLC X253 Door Module Control Unit Front Left N/S A2059004021

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7589971-8

Mini Cooper R55 R56 Engine N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Manual

PLN 693.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7619144

Engine Wiring BMW F10 F20 F21 F30 N20 Loom Harness Ignition Module 7619144

PLN 246.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3457403

BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403

PLN 550.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2038209489

Mercedes CLK W203 W209 Antenna Amplifier Radio Right O/S A2038209489

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6919759

BMW E65 E66 E67 Control Unit Front Centre Console Module 6919759

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7795779

BMW 5 Series E60 E61 Cable Alternator Starter Base B 520d Diesel M47N2 7795779

PLN 46.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A1728200815

Mercedes W204 C207 Centre Console Aux Port Socket Plug Terminal A1728200815

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9287441

BMW F21 F22 F23 Wiring Loom Harness Passenger Side 9287441

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8W0959655F

Audi A4 B9 Air Module Crash Control Module Unit ECU 8W0959655F

PLN 854.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7191718

BMW Z4 Series E89 Roadster Cabrio Horn High Tone 7191718

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1378238-1

BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9322690

BMW F32 F82 M4 Hifi Audio Sound System Speaker AMP Amplifier Module 9322690

PLN 621.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 02Z911024K

VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3Q0907530AG

Audi Q2 Q3 F3 1.5 TFSI Gateway Control Unit Module ECU 3Q0907530AG

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0971104AC

Audi RS4 A4 B8 8K Parking Sensors Rear Bumper Wiring Loom 8K0971104AC

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1669004402

Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7540369

BMW E46 N46 Wiring Harness Engine Gearbox Module Loom Cable 7540369

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9273666

BMW F33 F83 M4 Convertible Rear Antenna Aerial Amplifier AM/FM 9273666

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2046801231

Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046801231

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1J6035111

VW Volkswagen Touareg 7L Golf 4 CD Changer 1J6035111

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9138440

BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9317092

Mini One F55 F56 Cable Electric Automatic Hold Brake Handbrake 9317092

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6911838

BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black

PLN 85.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5A44586

BMW F40 Ultrasonic Alarm System Module Control Unit 5A44586

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3405141

BMW X3 Series E83 E83N LCI Support Bracket Navigation Computer 3405141

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A0051517401

Starter Motor Mercedes W169 W245 Diesel Engine A0051517401

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 7316535

BMW F20 F22 F30 Sliding Sunroof Drive Motor Unit Webasto 7193398

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1729006008

Mercedes W204 W212 W176 Media Interface Control Unit Module A1729006008

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8381020

BMW X5 Series E53 Drive For Window Lifter Front Right O/S 8381020

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6950374

Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8V0857273P

Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 4L0910441C

Audi Q7 4L Rear Reversing Camera Module View Control Unit ECU 4L0910441C

PLN 474.95

Free delivery - Tue, Jan 13

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

PLN 617.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6C1T14B056AE-1

Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6933529

BMW 5 Series E60 E61 Centre Console Switch Centre DSC 6933529

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009054807-2

Mercedes W118 W177 W206 W247 NOX Sensor Electronics Module A0009054807

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9264923

BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264923

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8T0919603G

Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603G

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6819195

PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 6819195

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8632554

Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6906606

Mini Cooper One R50 R52 R53 Fuse Box Electrical Unit Cover Cap Black 6906606

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. KV6T-11000-BC

Ford Transit Connect Starter Motor Engine 1.5 TDCI Diesel KV6T-11000-BC

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9203082

BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082

PLN 712.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2048207485

Mercedes W204 Front Door Control Unit Module Right O/S A2048207485

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9243896

Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6927311

BMW E60 Front Seat Control Unit Module Controller ECU 6927311

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 9359248

BMW MINI Cooper One F55 Cable Harness Door Right O/S Loom Driver Side 9359246

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8506281-2

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

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8626086

Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8380409

BMW X5 E53 Fuse Distribution Box Relay Board 6907395 8380409 6909721

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9118730

BMW 5 6 Series E60 E61 E63 Body Gateway Module KGM LOW LEAR 61359118730 9118730

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8577243

BMW X3 F25 Battery Cable Wire Lead Positive Alternator Starter X4 F26 8577243

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5A243F5

BMW F70 G60 U06 Rear Ultrasonic Sensor Parking PDC Portimao Blue C31 5A243F5

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1779001604

Mercedes W177 W247 Door Module Front Right Control Unit A1779001604

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009007607

Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2046280218

Mercedes W204 Battery Bracket Mount Support Holder A2046280218

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8625074

Engine Wiring Mini F55 F56 Cooper S Petrol B46 B48 Cable Loom Harness 8625074

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 5Q0907530AF

Volkswagen Seat Skoda Audi Gateway Control Unit Module ECU 5Q0907530AF

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7631026

Mini R55 R56 R57 LCI R60 N47N Automatic Gearbox Basic Control Unit EGS 7631026

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6990089

BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8624382

BMW 1 3 Series F20 F30 F31 LCI Line Cable Power Distribution Module 8624382

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9118101

BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101

PLN 46.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 6941503

BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 6941503

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6864898

BMW F20 F21 F30 F31 Parking Assistant Control Unit Module 6864898

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6826326

BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 6928461

BMW E46 E60 E61 E63 E81 E87 E90 E91 X3 E83 X5 E53 E70 Bluetooth Antenna 6928461

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9200503

BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2135400414

Mercedes W213 C238 Fuse Box Relay Control Unit Module A2135400414

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8682893

BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8644504

PLN 341.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2115455332

Mercedes C219 SAM Module Comfort Control Unit A2115455332

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0025421219

Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 9188582

BMW X3 F25 Holder Audio Amplifier Telephone Bracket Mount Trim 9188582

PLN 75.95

Free delivery - Tue, Jan 13

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, Jan 13

If paid before 14:00

Part no. 8W0941824AK

Audi A4 B9 A5 F5 Q5 FY Fuse Box Battery Terminal 8W0941824AK

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2059006923

Air Conditioning Module Mercedes C205 X253 A/C Control Unit ECU A2059006923

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 3453247

BMW X3 E83 E90 Engine Automatic Gearbox Module Wiring Cable Loom Harness 3453247

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1669051702

Mercedes-Benz A C M W166 W176 W205 Aerial Antenna Amplifier Unit A1669051702

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 7605061

Alternator Generator BMW F10 F30 N20 Diesel Electrical Unit Denso 210A 7605061

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8K0907063AH

Audi A4 B8 Body Control Comfort Unit Module BCM ECU 8K0907063AH

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 8T0959795Q

Audi A5 B8 8T Door Module Control Unit Left Right N/O/S 8T0959795Q

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8583653-1

Engine Wiring Loom BMW F10 F30 F31 LCI N57N Wiring Harness Glow Module 8583653

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. 1H0953227

Audi Seat Volkswagen Polo 6N Turn Signal Hazard Light Relay 191 1H0953227

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 1388911-1

BMW E36 E38 E85 Mini R52 R57 2x Change-Over Contact Relay Violet Set 1388911

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

...

Showing 1090-1188 of 12186 products

Key components of vehicle electrical systems

Original electrical parts for popular car brands

A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.

How does a car's electrical system work?

A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:

Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.

Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
Starters – Key components of the starting system that enable the engine to be started.
Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.

Key technical parameters of electrical systems

Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.

Why is it worth taking care of your car's electrical system?

Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:

Problems starting the engine.
Failure of safety systems such as ABS or airbags.
Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.

Symptoms of electrical system disruptions

In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:

Symptom	Possible cause	Item to check
Difficulty starting the engine	Worn out starter or battery	Starter motor, battery
Dimming the lights	Inefficient alternator	Alternator, voltage regulator
Electric windows not working	Damaged relays or harness	Relays, wires

How to choose the right parts for your electrical system?

When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:

Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.

Compatibility and fit

The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.

Why choose used electrical parts?

Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?

Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
Ecology – You support recycling and reduce waste by choosing used car parts .
Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.

How to take care of your car's electrical system?

To ensure your electrical system operates reliably for years, it is worth remembering a few rules:

Regularly check the battery condition and charge level.
Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.

Step-by-step control procedures

Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.

FAQ - Frequently asked questions about electrical systems in cars

Question	Answer
What is a car electrical system?	This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.
What is an alternator for in a car?	The alternator generates electrical current when the engine is running and charges the battery.
What is the difference between a starter and an alternator?	The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.
How to check if the battery is working?	Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.
What are the most common symptoms of car electrical failure?	Problems starting the engine, flashing warning lights, power windows not working or dimming lights.
Do electrical parts from one model fit another?	Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.
How often should you check your electrical system?	It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Summary: Automotive electrical systems at Global Parts Automotive Store

Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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