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. A2139002422

Mercedes W213 Front Door Module Control Module Unit Right O/S A2139002422

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1669005612

Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A9079003303

Mercedes W907 Front Radar Distance Control Unit Module A9079003303

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1695458140

Mercedes W169 W245 Relay Control Unit Bracket Mount Holder Cover A1695458140

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2139004009

Mercedes W213 Door Module Front Left N/S Control Unit A2139004009

PLN 237.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1718204326

Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204326

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A6229001000

Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000

PLN 1,424.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2049005015

Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0121542002

Mercedes W903 OM611 Diesel Alternator Engine Generator 14V 90A A0121542002

PLN 474.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2044405935

Mercedes W204 Door Card Harness Loom Cable Wiring Front Left N/S A2044405935

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1636880035-1

Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2711534591-1

Mercedes W203 C180 Kompressor M271 Engine Module ECU Kit A2711534591 Key Lock

PLN 949.95

Free delivery - Tue, Jan 13

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Part no. A0009003806

Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806

PLN 365.95

Free delivery - Tue, Jan 13

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Part no. A1669004002

Door Module Mercedes C117 W176 W246 Front Left N/S Control Unit A1669004002

PLN 85.95

Free delivery - Tue, Jan 13

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Part no. A1695451940

Mercedes W169 W245 Fuse Box Module Unit A1695451940

PLN 142.95

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Part no. A2469005515

Mercedes W176 Rain Light Sensor Control Unit Front Windscreen Camera A2469005515

PLN 142.95

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Part no. A2465406607

Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607

PLN 66.95

Free delivery - Tue, Jan 13

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Part no. A2135406831

Mercedes W213 Rear Door Wiring Harness Keyless Left Right N/O/S A2135406831

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1698203285

Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A1779069601-1

Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601

PLN 522.95

Free delivery - Tue, Jan 13

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Part no. A0005454516

Mercedes W204 Automatic Gearbox EGS Control Module Unit ECU A0005454516

PLN 132.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1665400141

Mercedes W166 Petrol Engine HV Battery Earth Ground Line Cable Wire A1665400141

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2218702286

Mercedes W221 Front Seat Heater Control Unit Module ECU A2218702286

PLN 123.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2188201926

Mercedes CLS C218 Bi-Xenon Headlight Ballast Module Control Unit A2188201926

PLN 332.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2045451040

Mercedes W204 W212 Multimedia Interface Unit Module Bracket Mount A22045451040

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2048709426

Mercedes W204 Air Module Control Unit SRS Sensor ECU A2048709426

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A6398201689

Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689

PLN 664.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A6429060900

Mercedes W204 W207 W212 W221 Starter Motor A6429060900

PLN 161.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A6395400044

Mercedes Vito W639 Anti Theft Alarm Switch Loom Cable A6395400044

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A6519003701-1

Mercedes W212 OM651.924 E220CDI 170HP Engine ECU Kit + Key + Lock A6519003701

PLN 664.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1669004719

Audio Amplifier Mercedes W166 C292 Sound Control Unit Harman Kardon A1669004719

PLN 2,659.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A6396641914

Mount Support Mercedes Vito W639 Battery Bracket Holder Mounting A6396641914

PLN 37.95

Delivery - Tue, Jan 13

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Part no. A2049060105

Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2108208726

Mercedes-Benz W210 S210 Alarm Anti Theft System Control Module Unit A2108208726

PLN 42.95

Delivery - Tue, Jan 13

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Part no. A2218210197

Mercedes W221 Cover Wiring Cable Front Door Protection Seal Sleeve A2218210197

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A0025429319

Mercedes C117 W166 W176 W205 X253 Relay Black Control Unit 4 Pin 12V A0025429319

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2829003300-1

Mercedes W177 A180 282.914 136HP Petrol ECU Kit A2829003300 Key BCM Automatic

PLN 1,044.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A9079001605

Mercedes W907 Central Gateway Control Unit Module Relay ECU A9079001605

PLN 1,424.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2465400308

Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308

PLN 94.95

Free delivery - Tue, Jan 13

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Part no. A2129005101

Fuse Box Mercedes W212 Rear SAM Relay Fuse Box Control Module A2129005101

PLN 113.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1679005218

Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005218

PLN 1,899.95

Free delivery - Tue, Jan 13

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Part no. A4209003305

Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit Module A4209003305

PLN 759.95

Free delivery - Tue, Jan 13

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, Jan 13

If paid before 14:00

Part no. A1645400750

Mercedes ML W164 Battery Fuse Box Power Distribution A1645400750

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2034400033-2

Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A4155401005

Mercedes Citan W415 Renault Kangoo Front Door Wiring Loom Left N/S 8200809160

PLN 161.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1695450140

Mercedes A B Class W169 W245 Holder Bracket Engine Control Unit A1695450140

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A9068270005

Mercedes W639 W906 Voltage Stabilizer Control Unit Module A9068270005

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2139008822

Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822

PLN 142.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2215408245

Mercedes W221 Air Suspension Control Unit Module ECU A2215408245

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2139007839

Mercedes W167 W177 W247 Headlight Ballast Control Module Left N/S A2139007839

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2118703285

Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703285

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A6291501779

ECU Mercedes X164 Diesel OM629.912 Engine Control Module 306 HP Automatic

PLN 427.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2044401005

Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609

PLN 66.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0003427200

Mercedes EQA350 H243 4matic Electric Voltage Converter Module A0003427200

PLN 1,614.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1669002700

Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2075401102

Mercedes W207 A207 C207 Loudspeaker Cable Wiring Loom Harness

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A9079051202

Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0005468502

Battery Cover Mercedes W205 W212 Battery Positive Pole Cover Red A0005468502

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2059002011

Mercedes W205 Rear Door Control Module Unit Right O/S ECU A2059002011

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2035401113

Mercedes C Class W203 Solenoid SOLV Valve Wiring Harness Diesel A2035401113

PLN 189.95

Free delivery - Tue, Jan 13

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Part no. A1695400209

Mercedes W169 W245 Diesel Engine Starter Wiring Loom Cable A1695400209

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009054807

Mercedes W118 W177 W206 W247 NOX Sensor A0009054807

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2059051106

Mercedes W205 Antenna Aerial Amplifier Module Receiver AMP Unit A2059051106

PLN 94.95

Free delivery - Tue, Jan 13

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Part no. A2057200522

Mercedes GLC X253 Front Door Trim Cover Panel Strip Left N/S Black A2057200522

PLN 237.95

Free delivery - Tue, Jan 13

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Part no. A0009828323

Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2229008911

Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911

PLN 218.95

Free delivery - Tue, Jan 13

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Part no. A2649001200

Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200

PLN 949.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1669003208

Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2115452601

Mercedes ML W164 Prefuse Fuse Distribution Box Front A2115452601

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2059005713

Door Module Mercedes W205 Front Left N/S Door Control Module Unit A2059005713

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2189015200

Mercedes X218 Air Module Control Unit ECU Module A2189015200

PLN 61.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2048200015

Telephone Cable Mercedes W204 C207 W212 Wiring Adapter Line A2048200015

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2055401542

Mercedes W205 Rear Door Harness Wiring Cable Left Right N/O/S A2055401542

PLN 256.95

Free delivery - Tue, Jan 13

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Part no. A6519007500-3

Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key

PLN 1,329.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1729003106

Mercedes SLC R172 Parktronic Parking Sensor Module Unit ECU A1729003106

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1698700689-3

Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689

PLN 189.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1695406409

Mercedes W169 W245 Battery Earth Negative Cable Wiring Loom A1695406409

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2129004114

Door Module Mercedes W204 W212 Rear Left N/S Control Unit A2129004114

PLN 37.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009004836

Mercedes W177 W247 Driving Dynamics Module Control Unit ECU A0009004836

PLN 664.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2055400555

Mercedes W205 Door Electrical Wiring Harness Front Left N/S A2055400555

PLN 94.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2139006911

Mercedes W213 C238 Telematic Charging Phone Control Module A2139006911

PLN 161.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009003206

Mercedes W205 W222 Fuel Pump Module Control Unit A0009003206

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. RHD-A1664404337

Mercedes C292 Positive Cable Battery Starter Alternator Plus Wiring A1664404337

PLN 284.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A6421508900-6

Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic

PLN 1,899.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A1645460261

Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261

PLN 47.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A0038202826

Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A6394409909

Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6394409909

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A4159007503

Mercedes Citan W415 Body Control Module Unit BCM ECU A4159007503 284B18276R

PLN 664.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2038219551-2

Mercedes CL203 Rear Roof Alarm Motion Sensor Control Unit Module A2038219551

PLN 56.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2055407616

Wiring Mercedes W205 Electrical Cable Transmission To Body A2055407616

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A9425426040

Mercedes Sprinter W906 Fuse Box Relay Carrier Holder Bracket A9425426040

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A2048705490

Mercedes-Benz C W204 Digital Audio DAB Receiver Control Unit Module A2048705490

PLN 332.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2139008330

Mercedes W177 W213 W247 Automatic Gearbox Control Unit Module ECU A2139008330

PLN 379.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2129004911

Fuse Box Mercedes W207 Front Relay Control Unit Module SAM A2129004911

PLN 75.95

Free delivery - Tue, Jan 13

If paid before 14:00

Part no. A2028281114

Mercedes-Benz C CLK W202 W208 Alarm Control Module Bracket Holder A2028281114

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. A0009828523

Mercedes W164 Suspension Compressor Relay A0009828523

PLN 42.95

Delivery - Tue, Jan 13

If paid before 14:00

Part no. 8200308271

Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271

Product currently unavailable

Part no. A2165420018

Yaw Rate Sensor Mercedes W169 W245 W211 W219 Turn Rate Sensor A2165420018

Product currently unavailable

...

Showing 1387-1485 of 3212 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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