What is a car electrical system?

This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.

What is an alternator for in a car?

The alternator generates electrical current when the engine is running and charges the battery.

What is the difference between a starter and an alternator?

The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.

How to check if the battery is working?

Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.

What are the most common symptoms of car electrical failure?

Problems starting the engine, flashing warning lights, power windows not working or dimming lights.

Do electrical parts from one model fit another?

Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.

How often should you check your electrical system?

It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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Products in promotion

Part no. 8685853

BMW F40 X1 F48 Mini F55 F56 F60 Engine Injector Wiring Loom Harness 8685853

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7253188-1

BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9250459

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6958526

BMW 5 X5 X6 Series E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Right O/S

PLN 28.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 6868251

Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6868251

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9226882

BMW F20 F21 Rear Antenna Aerial Amplifier AM/FM DAB 9226882

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7649087

BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition

PLN 42.95

Delivery - Mon, Nov 24

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 - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 6921415

BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6921415

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8510591-7

BMW X1 E84 2.0d N47 177HP sDrive Engine Control Unit ECU DDE 8510591 Manual

PLN 807.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9270495-1

BMW X5 E70 X6 E71 F10 F11 F12 Parking Sensor PDC Ultrasonic Black 9251944 SET X4

PLN 161.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 8621500

BMW F20 F21 F30 LCI Petrol N13 N20 Cable Alternator Starter Base B+ 8621500

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9360372

BMW X6 F16 Fuse Box Power Distribution Relay Control Unit Box Rear 9360372

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8512292-2

BMW E90 E91 LCI N47N 316d 116HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6864206

Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9173686

BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8385159

BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7809999-2

BMW X3 E83 LCI 2.0d N47 Engine ECU Kit DDE 7809999 + EWS IV + Key Automatic

PLN 1,139.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 9384214

BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9384214

PLN 208.95

Free delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 913463601

Seat Module BMW E65 Front Seat Control Unit Module ECU 913463601

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8579420

BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7547141

BMW E82 E84 E87N E88 E90 E91 E92 E93 E93 E-box fan 7547141

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7524118

BMW Z4 E85 M54 Roadster Wiring Loom Harness Engine Ignition Module

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6956672

BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672

PLN 85.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8733503

BMW F30 Fuse Box Front Body Control Module ECU BCM Unit 8733503

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9118262

Antenna Amplifier BMW F10 F22 F30 F32 Module Trap Circuit Control Unit 9118262

PLN 47.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7614083

BMW F20 F21 F22 F30 F31 F32 LCI Earth Ground Cable Battery Wiring 7614083

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9169521

BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9306405

BMW F20 F21 F30 F31 F32 F36 Negative Minus Battery Cable Lead Pole IBS 9306405

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9145115

BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690

PLN 170.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9287265

BMW F10 M5 Active Sound Unit Control Module Design Amplifier 9287265

PLN 275.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9225831

BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6982348

BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8510221-1

BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9283429

BMW E90 E91 E92 E93 LCI Radio CD Player Multimedia Head Unit 9283429

PLN 1,899.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6935597-2

4 x BMW 1 3 E81 E87 E90 E91 PDC Set Parking Sensor Front Rear Titansilber Silver

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9314229

BMW F20 Front Electronic Module Body Control Unit FEM ECU 9314229

PLN 1,234.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6949382

BMW E65 E66 Rear Door Wiring Harness Loom Cable 6949382

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9210135

BMW F07 GT Rear Door Wiring Loom Cable Harness 9210135

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9283428

BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9283428

PLN 1,044.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7524715

BMW Z4 E85 Roadster Starter Earth Ground Wire Cable 2.0 Petrol 7524715

PLN 237.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9174271

BMW F10 LCI Bluetooth Control Unit Module Bracket Holder Mount 9174271

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9875929

BMW F20 F21 F22 F23 LCI DAB Navigation Head Control Unit Module Business 9875929

PLN 712.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6990089

BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7160897-1

BMW E53 E60 E65 E81 E87 E90 E91 Bulb Holder Turn Indicator 7160897

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7537365

Cable Wire BMW E60 E61 E81 E87 E90 Tubing For Clamp 7537365

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9229294

BMW F20 F21 F22 F30 F31 F80 M3 USB Socket Plug Port Control Unit 9229294

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8654977

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

PLN 712.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8379567

BMW X5 Series E53 Loudspeaker Stereo Left Front Door N/S 8379567

PLN 18.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8574372-3

BMW F30 330d F32 430d N57N 258HP Engine Unit ECU Kit DDE 8574372 Key FEM

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7543157-6

BMW Z4 E85 2.2i M54 170HP Engine Control Module Unit ECU Set 7543157 Manual

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6985363

BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9253111-1

BMW 1 2 Series F20 F21 F22 Positive Plus Pole Battery Blow Cable Part 9253111

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8370933

BMW 3 5 6 Series E60 E61 E63 E90 Support Bracket Navigation Computer 8370933

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8639595

BMW F30 F31 F32 320i 420i N20 ECU Engine Control Unit DME 8639595 Automatic

PLN 1,433.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8058634

Engine Wiring BMW X3 M F97 X4 M F98 Loom Harness Ignition Module 8058634

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9251748

BMW E81 E87 E90 E91 E92 LCI Combox Telematics Module Navigation 9251748

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8573260-5

ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual

PLN 1,234.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8573258-10

Engine Control Unit BMW F20 116d F30 316d N47N 116HP ECU DDE 8573258 Manual

PLN 113.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9210147

BMW F20 F30 Central Bass Speaker Stereo Subwoofer Left N/S 9210147

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8571038

BMW 1 F20 F21 LCI Mini D F56 B37 Wiring Harness Engine Glow Plug Module 8571038

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 7540203

BMW X5 Series E70 Control Unit DME Module Emergency Release Lock 7582630

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6882971

BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air 6882971

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7951069

KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688

PLN 123.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8576341-2

BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM

PLN 949.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8574091

BMW F10 F11 520d N47N 184HP Engine Control Unit ECU DDE 8574091 Automatic

PLN 284.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9393144

BMW G11 G30 Fuse Box Power Distribution Electrical Control Unit Box Rear 9393144

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8664661

BMW F23 F30 F32 220i 320i 420i N20 184HP Engine Module ECU DME 8664661 Automatic

PLN 1,424.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6974890-MYS

BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Mysticblau Blue - A07

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9270490

BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490

PLN 47.95

Delivery - Mon, Nov 24

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 - Mon, Nov 24

If paid before 14:00

Part no. 6953424-2

BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

PLN 161.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9154358

BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358

PLN 275.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6864204

ICM Module BMW F20 F21 F30 F31 Control Unit 6864204

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6960227

BMW E65 E66 Sensor Air Bag Front Left Door N/S Module Airbag 6960227

PLN 94.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7648785

BMW i3 i01 Battery Cell Module Supervision Circuit Control Unit 7648785

PLN 142.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6958526-1

BMW 5 X5 X6 Series 1 E60 E61 E70 E71 F10 F11 Seat Adjustment Switch Right O/S

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8693361

BMW F87 M2 Engine Control ECU Kit DME 8693361 N55 370HP Key Dual Clutch

PLN 3,324.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7899655

Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655

PLN 132.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8570676

BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675

PLN 227.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9133083

BMW E81 E87 E90 E91 E92 E93 6-disc CD Changer With Magazine 9133083

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6906347-1

BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347

PLN 75.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 7583526-1

BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual

PLN 1,614.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8510284

Engine Wiring Loom BMW F30 F31 F32 330d 430d N57N Gearbox Module Harness 8510284

PLN 218.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9170452

BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM II NSW 9170452

PLN 569.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 8693213-1

BMW F30 LCI 330e B48X Engine Control Unit ECU Kit DME 8693213 FEM Key Automatic

PLN 2,849.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6976156

BMW E60 E61 E63 Passenger Side Door Air Control Module 6976156

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 9474776

KaFAS Camera BMW F10 F20 LCI F30 Mini F55 F56 Control Unit ECU Module 9474776

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6920478

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

PLN 42.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 8650701-1

BMW F80 M3 F82 F83 M4 S55 431HP Engine Module ECU DME Kit 8650701 Automatic

PLN 4,749.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6960428

BMW 3 5 6 Series E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960428

PLN 474.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6967184-1

BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184

PLN 61.95

Free delivery - Mon, Nov 24

If paid before 14:00

Part no. 6932452

BMW 5 6 Series E60 E61 E63 E64 Power Distribution Electrical Fuse Box 6932452

PLN 55.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. P0148459-IB1

Mini Cooper One 1 R50 Fuel Filler Cover Fill In Flap Indi Blue Metallic 862

PLN 37.95

Delivery - Mon, Nov 24

If paid before 14:00

Part no. 9150883

BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883

PLN 189.95

Free delivery - Mon, Nov 24

If paid before 14:00

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Showing 199-297 of 4686 products

Key components of vehicle electrical systems

Original electrical parts for popular car brands

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

How does a car's electrical system work?

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

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

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

Key technical parameters of electrical systems

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

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

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

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

Symptoms of electrical system disruptions

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

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

How to choose the right parts for your electrical system?

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

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

Compatibility and fit

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

Why choose used electrical parts?

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

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

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

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

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

Step-by-step control procedures

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

FAQ - Frequently asked questions about electrical systems in cars

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

Summary: Automotive electrical systems at Global Parts Automotive Store

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

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