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
image placeholder
Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545

Part no. A2215407545

Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545

Product currently unavailable

image placeholder
Head Unit BMW X3 E83 Z4 E85 E86 Radio Business CD Player 6976888

Part no. 6976888-1

Head Unit BMW X3 E83 Z4 E85 E86 Radio Business CD Player 6976888

Product currently unavailable

image placeholder
Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791

Part no. 7831436

Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791

Product currently unavailable

image placeholder
BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284

Part no. 7833284-1

BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284

Product currently unavailable

image placeholder
Steering Lock Mercedes W176 W246 Control Unit Module VST A0999004101

Part no. A0999004101

Steering Lock Mercedes W176 W246 Control Unit Module VST A0999004101

Product currently unavailable

image placeholder
BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267

Part no. 8243267

BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267

Product currently unavailable

image placeholder
BMW X3 G01 Headlamp LED AHL Adaptive Headlights Control Module FLM 01 7472765

Part no. 7472765

BMW X3 G01 Headlamp LED AHL Adaptive Headlights Control Module FLM 01 7472765

Product currently unavailable

image placeholder
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033

Part no. 9342033-1

BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033

Product currently unavailable

image placeholder
BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092

Part no. 6913092

BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092

Product currently unavailable

image placeholder
BMW E46 Led Indicator Side Light Signal 7165845

Part no. 7165845

BMW E46 Led Indicator Side Light Signal 7165845

Product currently unavailable

image placeholder
MINI One 1.6 R50 R52 W10 90HP Engine ECU Kit DME 7545789 + EWS + Key Manual

Part no. 7545789-9

MINI One 1.6 R50 R52 W10 90HP Engine ECU Kit DME 7545789 + EWS + Key Manual

Product currently unavailable

image placeholder
Mercedes Vito W447 Comfort SAM Control Unit Module Fuse Box A4479001707

Part no. A4479001707

Mercedes Vito W447 Comfort SAM Control Unit Module Fuse Box A4479001707

Product currently unavailable

image placeholder
Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual

Part no. 8617050-3

Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual

Product currently unavailable

image placeholder
Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705

Part no. A9075402705

Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705

Product currently unavailable

image placeholder
Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302

Part no. A1669004302

Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302

Product currently unavailable

image placeholder
BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual

Part no. 8578944-2

BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual

Product currently unavailable

image placeholder
Pioneer SPH-DA120 Head Unit Apple Carplay Android Auto Bluetooth Media Player

Part no. SPH-DA120

Pioneer SPH-DA120 Head Unit Apple Carplay Android Auto Bluetooth Media Player

Product currently unavailable

image placeholder
Mercedes W204 PDC Sensor Wiring Loom Harness Front Bumper A2044400035

Part no. A2044400035

Mercedes W204 PDC Sensor Wiring Loom Harness Front Bumper A2044400035

Product currently unavailable

image placeholder
Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic

Part no. A6519007500-14

Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic

Product currently unavailable

image placeholder
Mercedes W203 W211 Kompressor M271 Petrol Engine Starter Motor A0051513901

Part no. A0051513901-1

Mercedes W203 W211 Kompressor M271 Petrol Engine Starter Motor A0051513901

Product currently unavailable

image placeholder
BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661

Part no. 7797661-2

BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661

Product currently unavailable

image placeholder
Hyundai H1 Genesis Front Impact Sensor Safety Crash Detection 95920-4H000

Part no. 95920-4H000

Hyundai H1 Genesis Front Impact Sensor Safety Crash Detection 95920-4H000

Product currently unavailable

image placeholder
Ground Line Mercedes W221 Wiring Battery Starter Alternator Cable A2215409032

Part no. A2215409032

Ground Line Mercedes W221 Wiring Battery Starter Alternator Cable A2215409032

Product currently unavailable

image placeholder
Opel Vivaro B 1.6 CDTI Alternator Generator 150A 95519888

Part no. 95519888

Opel Vivaro B 1.6 CDTI Alternator Generator 150A 95519888

Product currently unavailable

image placeholder
Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic

Part no. A2709002100-10

Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic

Product currently unavailable

image placeholder
Mercedes W164 ML280 CDI OM642.940 Engine Control Unit ECU Kit A6421506691 Key

Part no. A6421506691-1

Mercedes W164 ML280 CDI OM642.940 Engine Control Unit ECU Kit A6421506691 Key

Product currently unavailable

image placeholder
Mercedes W221 S320 CDI 642.930 235HP Engine Control ECU A6421507391 Automatic

Part no. A6421507391

Mercedes W221 S320 CDI 642.930 235HP Engine Control ECU A6421507391 Automatic

Product currently unavailable

image placeholder
Head Unit Hyundai H-1 Radio CD Player MP3 AUX RDS Unit 96100-4H920WK

Part no. 961004H920WK

Head Unit Hyundai H-1 Radio CD Player MP3 AUX RDS Unit 96100-4H920WK

Product currently unavailable

image placeholder
BMW E46 E60 E83 E90 E91 Diesel M57N M57N2 Glow Plug Preheating Control Module

Part no. 7788327-1

BMW E46 E60 E83 E90 E91 Diesel M57N M57N2 Glow Plug Preheating Control Module

Product currently unavailable

image placeholder
Hyundai H-1 Safety Module Air Bag SRS Control Unit ECU Module 95910-4H600

Part no. 959104H600

Hyundai H-1 Safety Module Air Bag SRS Control Unit ECU Module 95910-4H600

Product currently unavailable

image placeholder
Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000

Part no. 361004A000

Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000

Product currently unavailable

image placeholder
Mercedes W221 Bluetooth Module Multimedia Control Unit ECU A2168206526

Part no. A2168206526

Mercedes W221 Bluetooth Module Multimedia Control Unit ECU A2168206526

Product currently unavailable

image placeholder
Mercedes W221 Sound Audio Amplifier Control Unit Module A2218207689

Part no. A2218207689

Mercedes W221 Sound Audio Amplifier Control Unit Module A2218207689

Product currently unavailable

image placeholder
Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107

Part no. A1779002107

Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107

Product currently unavailable

image placeholder
BMW F20 F21 F22 F30 F31 N20 N26 N55 Petrol Engine Starter Motor 7638194

Part no. 7638194-1

BMW F20 F21 F22 F30 F31 N20 N26 N55 Petrol Engine Starter Motor 7638194

Product currently unavailable

image placeholder
Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862

Part no. A2215403862

Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862

Product currently unavailable

image placeholder
Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826

Part no. A2218708826

Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826

Product currently unavailable

image placeholder
Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956

Part no. 7823291-2

Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956

Product currently unavailable

image placeholder
Mercedes ML W164 SAM Module Passenger Side Control Unit A1645402501

Part no. A1645458532

Mercedes ML W164 SAM Module Passenger Side Control Unit A1645402501

Product currently unavailable

image placeholder
Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 6870078

Part no. 6870078

Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 6870078

Product currently unavailable

image placeholder
Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289

Part no. A1648209289-1

Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289

Product currently unavailable

image placeholder
Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901

Part no. A2049017901-1

Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901

Product currently unavailable

image placeholder
Radio CD Player Mercedes W211 CLS C219 COMAND Navigation Head Unit A2118204497

Part no. A2118204497-1

Radio CD Player Mercedes W211 CLS C219 COMAND Navigation Head Unit A2118204497

Product currently unavailable

image placeholder
Mercedes W211 Multimedia Wiring Loom Electrical Harness Cable A2115409910

Part no. A2115409910

Mercedes W211 Multimedia Wiring Loom Electrical Harness Cable A2115409910

Product currently unavailable

image placeholder
Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115459232

Part no. A2115459232

Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115459232

Product currently unavailable

image placeholder
Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935

Part no. A0009009935

Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935

Product currently unavailable

image placeholder
Mercedes H243 Multifunction Front Camera Control Unit Module A2479008715

Part no. A2479008715

Mercedes H243 Multifunction Front Camera Control Unit Module A2479008715

Product currently unavailable

image placeholder
Mercedes H243 Bonnet Actuator Left Right N/O/S Pedestrian Protection A2479069901

Part no. A2479069901

Mercedes H243 Bonnet Actuator Left Right N/O/S Pedestrian Protection A2479069901

Product currently unavailable

image placeholder
BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual

Part no. 8663284-1

BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual

Product currently unavailable

image placeholder
Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508

Part no. A0009064508

Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508

Product currently unavailable

image placeholder
BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501

Part no. 8733501

BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501

Product currently unavailable

image placeholder
Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key

Part no. A6421509177

Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key

Product currently unavailable

image placeholder
Mercedes W221 S500 4-Matic M273.968 Engine Control Unit ECU Kit A2731536591 Key

Part no. A2731536591-1

Mercedes W221 S500 4-Matic M273.968 Engine Control Unit ECU Kit A2731536591 Key

Product currently unavailable

image placeholder
Mercedes W221 Blind Spot Radar Distance Sensor Rear Left Right N/O/S A0025409117

Part no. A0025409117

Mercedes W221 Blind Spot Radar Distance Sensor Rear Left Right N/O/S A0025409117

Product currently unavailable

image placeholder
Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402

Part no. A6519009402

Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402

Product currently unavailable

image placeholder
Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515

Part no. 3456826

Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515

Product currently unavailable

image placeholder
Mercedes W204 Front Bumper PDC Wiring Parking Loom Harness A2045400608

Part no. A2045400608

Mercedes W204 Front Bumper PDC Wiring Parking Loom Harness A2045400608

Product currently unavailable

image placeholder
Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001

Part no. A2215450001

Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001

Product currently unavailable

image placeholder
Mercedes W204 C200 Fuse Box Front SAM Control Module Relay Box A2129008207

Part no. A2129008207

Mercedes W204 C200 Fuse Box Front SAM Control Module Relay Box A2129008207

Product currently unavailable

image placeholder
Voice Control Module Mercedes W221 Linguatronic Input System Dutch A2218703787

Part no. A2218703787

Voice Control Module Mercedes W221 Linguatronic Input System Dutch A2218703787

Product currently unavailable

image placeholder
Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292

Part no. A2218708292

Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292

Product currently unavailable

image placeholder
Mercedes H243 H247 Body Control Module BCM Unit ECU A2479005615

Part no. A2479005615

Mercedes H243 H247 Body Control Module BCM Unit ECU A2479005615

Product currently unavailable

image placeholder
Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050

Part no. A2218230050-1

Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050

Product currently unavailable

image placeholder
Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415

Part no. A2479004415

Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415

Product currently unavailable

image placeholder
Mercedes W221 Prefuse Fuse Distribution Box Unit Front A2215401250

Part no. lhd-A2215401250

Mercedes W221 Prefuse Fuse Distribution Box Unit Front A2215401250

Product currently unavailable

image placeholder
Mercedes W221 Antenna Amplifier Control Unit Module A2218208089

Part no. A2218208089

Mercedes W221 Antenna Amplifier Control Unit Module A2218208089

Product currently unavailable

image placeholder
Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708093

Part no. A2218708093

Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708093

Product currently unavailable

image placeholder
A2218206389 W221 LHD

Part no. lhd-A2218206389

A2218206389 W221 LHD

Product currently unavailable

image placeholder
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010

Part no. A2075406010

Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010

Product currently unavailable

image placeholder
Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit Module ECU DME 8600124

Part no. 8600124-6

Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit Module ECU DME 8600124

Product currently unavailable

image placeholder
Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224

Part no. lhd-A2215400224

Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224

Product currently unavailable

image placeholder
Mercedes W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103

Part no. A2218208789

Mercedes W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103

Product currently unavailable

image placeholder
Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292

Part no. A2218702292

Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292

Product currently unavailable

image placeholder
Parktronic Module Mercedes W221 Parking Aid Sensors Control Unit A2215400901

Part no. A2215400901

Parktronic Module Mercedes W221 Parking Aid Sensors Control Unit A2215400901

Product currently unavailable

image placeholder
Mercedes CL C216 W221 S500 Air Pneumatic Suspension Control Module A2215407962

Part no. A2215407962

Mercedes CL C216 W221 S500 Air Pneumatic Suspension Control Module A2215407962

Product currently unavailable

image placeholder
Mercedes GLE C292 Coupe Trunk Lid Module Automatic Closing A2929007101

Part no. A2929007101

Mercedes GLE C292 Coupe Trunk Lid Module Automatic Closing A2929007101

Product currently unavailable

image placeholder
Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220

Part no. A1669000220

Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220

Product currently unavailable

image placeholder
Mercedes W205 S205 W447 Seat Module Front Memory Control Unit A2059004607

Part no. A2059004607

Mercedes W205 S205 W447 Seat Module Front Memory Control Unit A2059004607

Product currently unavailable

image placeholder
Mercedes C292 Negative Cable Battery Terminal Sensor A1669055901

Part no. A1669055901

Mercedes C292 Negative Cable Battery Terminal Sensor A1669055901

Product currently unavailable

image placeholder
Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701

Part no. A1669067701

Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701

Product currently unavailable

image placeholder
Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202

Part no. A1665405202

Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202

Product currently unavailable

image placeholder
Adblue Module Mercedes W166 W212 R172 C218 C292 Control Unit ECU A0009003213

Part no. A0009003213

Adblue Module Mercedes W166 W212 R172 C218 C292 Control Unit ECU A0009003213

Product currently unavailable

image placeholder
Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224

Part no. A1665400224

Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224

Product currently unavailable

image placeholder
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201

Part no. A1669068201

Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201

Product currently unavailable

image placeholder
Mercedes GLE C292 ML W166 Door Control Module Rear Left N/S A1669006307

Part no. A1669006307

Mercedes GLE C292 ML W166 Door Control Module Rear Left N/S A1669006307

Product currently unavailable

image placeholder
Mercedes ML W166 GLE C292 SAM Module Control Unit ECU A1669006120

Part no. A1669006120

Mercedes ML W166 GLE C292 SAM Module Control Unit ECU A1669006120

Product currently unavailable

image placeholder
Mini R55 R56 R57 R60 Gearbox Module Control ECU Automatic Unit 7619713

Part no. 7619713

Mini R55 R56 R57 R60 Gearbox Module Control ECU Automatic Unit 7619713

Product currently unavailable

image placeholder
Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000

Part no. A6429061000

Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000

Product currently unavailable

image placeholder
Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic

Part no. A6519009702-2

Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic

Product currently unavailable

image placeholder
BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702

Part no. 9367702

BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702

Product currently unavailable

image placeholder
Head Unit Mercedes W212 Radio Navi CD Player For Parts Not Working A2129005212

Part no. A2129005212-1

Head Unit Mercedes W212 Radio Navi CD Player For Parts Not Working A2129005212

Product currently unavailable

image placeholder
Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672

Part no. 55217672

Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672

Product currently unavailable

image placeholder
Head Unit Mercedes GLA X156 Radio Media Player Navigation Switch A2469000816

Part no. A2469000816

Head Unit Mercedes GLA X156 Radio Media Player Navigation Switch A2469000816

Product currently unavailable

image placeholder
Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722

Part no. A1669003722

Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722

Product currently unavailable

image placeholder
Mercedes W211 Alternator Generator A0121549802

Part no. A0121549802-1

Mercedes W211 Alternator Generator A0121549802

Product currently unavailable

image placeholder
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900

Part no. A0009067900-2

Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900

Product currently unavailable

image placeholder
Vauxhall Corsa D 1.3 CDTI Z13DTH Diesel Engine Control Unit Module ECU 55568385

Part no. 55568385

Vauxhall Corsa D 1.3 CDTI Z13DTH Diesel Engine Control Unit Module ECU 55568385

Product currently unavailable

image placeholder
Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500

Part no. A1699002500

Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500

Product currently unavailable

image placeholder
Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515

Part no. A1665405515

Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515

Product currently unavailable

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.
  1. Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
  2. Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
  3. Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
  4. Starters – Key components of the starting system that enable the engine to be started.
  5. Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
  6. Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
  7. Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
  8. Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
  9. 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:

SymptomPossible causeItem to check
Difficulty starting the engineWorn out starter or batteryStarter motor, battery
Dimming the lightsInefficient alternatorAlternator, voltage regulator
Electric windows not workingDamaged relays or harnessRelays, 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

  1. Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
  2. Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
  3. Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
  4. 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

QuestionAnswer
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 .

StartBasket
0
FavoritesMy Profile