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. A6519005301

£Mercedes W212 E220CDI OM651 Diesel Engine Control Unit Module ECU A6519005301

Product currently unavailable

Part no. A2129007104

Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104

Product currently unavailable

Part no. A0009063622

Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622

Product currently unavailable

Part no. A2049007408

Mercedes W204 Display Screen Information Navigation Dashboard A2049007408

Product currently unavailable

Part no. A2128270028-OB

Mercedes S212 Roof Antenna Estate Shark Trim Obsidian Black - 197 A2128270028

Product currently unavailable

Part no. A1698207126

Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126

Product currently unavailable

Part no. A1699001600

Mercedes-Benz W169 W245 48V Technology SAM Control Module Fuse Box A1699001600

Product currently unavailable

Part no. A2095420018

Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A2095420018

Product currently unavailable

Part no. A2079058802

Roof Antenna Mercedes W204 W212 Shark Aerial Antenna Cable Harness A2079058802

Product currently unavailable

Part no. A4479000601

Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601

Product currently unavailable

Part no. A1665402450

Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450

Product currently unavailable

Part no. A2649000700-3

Mercedes W205 C300 OM264.920 Engine Control Module ECU A2649000700 Automatic

Product currently unavailable

Part no. A2129002627

Mercedes W212 Fuse Box Relay Module Control Unit A2129002627

Product currently unavailable

Part no. A1648203785

Mercedes ML W164 Front Left Control Unit Module Door A1648203785

Product currently unavailable

Part no. A0009062302-1

Starter Motor Mercedes W639 W906 Diesel Engine A0009062302 0986024530

Product currently unavailable

Part no. A2115457301

Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301

Product currently unavailable

Part no. A2059009427

Mercedes W205 Front Air Module SRS Control Unit ECU A2059009427

Product currently unavailable

Part no. A2059000328

Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328

Product currently unavailable

Part no. A0009050538

Mercedes-Benz S-Class W221 Multi Purpose Camera Control Unit Module A0009050538

Product currently unavailable

Part no. A1718205826

Mercedes SLK R171 Air Module Bag SRS Control Unit ECU A1718205826

Product currently unavailable

Part no. A2115401805

Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805

Product currently unavailable

Part no. A1645403472

Mercedes W164 Fuse Box Relay Module Unit A1645403472

Product currently unavailable

Part no. A2711500391-6

Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Keys Lock

Product currently unavailable

Part no. LRT00134

Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134

Product currently unavailable

Part no. A2219007401

Door Module Mercedes W221 Front Right O/S Control Unit A2219007401

Product currently unavailable

Part no. A2035400031

Mercedes CLK W203 C209 Negative Battery Terminal Cable A2035400231

Product currently unavailable

Part no. A1715403832

Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832

Product currently unavailable

Part no. A6461540102

Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A A6461540102

Product currently unavailable

Part no. A1648207426

Mercedes ML W164 W251 Air Module SRS Control Unit ECU A1648207426

Product currently unavailable

Part no. A2469067200

Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200

Product currently unavailable

Part no. A2059001028

Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028

Product currently unavailable

Part no. A0051513901-1

Mercedes W203 W211 Kompressor M271 Petrol Engine Starter Motor A0051513901

Product currently unavailable

Part no. A2741504703

Mercedes W205 W213 Engine Wiring Harness Cable Loom M274 Petrol A2741504703

Product currently unavailable

Part no. A2125407050-1

Mercedes W212 Fuse Box Control Unit Power Distribution Electrical A2125407050

Product currently unavailable

Part no. A0034464110

Mercedes W203 W204 W211 Automatic Gearbox Transmission Control Unit A0034464110

Product currently unavailable

Part no. A0034466040-2

Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys

Product currently unavailable

Part no. A0035429818

Mercedes W203 C209 Yaw Sensor ESP Rotation Rate Control Unit Module A0035429818

Product currently unavailable

Part no. A1669006307

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

Product currently unavailable

Part no. A9075402705

Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705

Product currently unavailable

Part no. A1669009808

Mercedes ML W166 Head Unit Radio Player Sat Nav Tel SD Card Unit A1669009808

Product currently unavailable

Part no. A2038202686

Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686

Product currently unavailable

Part no. A1765405905

Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905

Product currently unavailable

Part no. A9069000004

Mercedes Sprinter W906 Radio Player CD Audio 10 Stereo Head Unit A9069000004

Product currently unavailable

Part no. A2538206100

Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100

Product currently unavailable

Part no. A2059000828

Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828

Product currently unavailable

Part no. A2045421418

Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418

Product currently unavailable

Part no. A2038206385

Mercedes-Benz C-Class W203 Airbag System Control Unit Module ECU A2038206385

Product currently unavailable

Part no. A1645401801

Mercedes ML W164 Rear Control Unit Module Fuse Box SAM A1645401801

Product currently unavailable

Part no. A0061517201

Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201

Product currently unavailable

Part no. A6461532891-3

Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock

Product currently unavailable

Part no. A1779002610

Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610

Product currently unavailable

Part no. A9069005504

Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504

Product currently unavailable

Part no. A1665420518

Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518

Product currently unavailable

Part no. A1729000614

SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module

Product currently unavailable

Part no. A2048203285

Mercedes W204 Xenon Headlight Ballast Control Unit Module A2048203285

Product currently unavailable

Part no. A2129005722

Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722

Product currently unavailable

Part no. A2465405901

Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901

Product currently unavailable

Part no. A2038700026

Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026

Product currently unavailable

Part no. A1648702726

Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726

Product currently unavailable

Part no. A2049820202

Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202

Product currently unavailable

Part no. A0025409117

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

Product currently unavailable

Part no. A9015407309

Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309

Product currently unavailable

Part no. A1715450901

Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901

Product currently unavailable

Part no. A6409004600

Mercedes W245 B180 CDI 640.940 Engine Control Unit ECU A6409004600 Automatic

Product currently unavailable

Part no. A2229005118

Mercedes W205 Ambient Color Light Module ECU A2229005118

Product currently unavailable

Part no. A0008206926

Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module

Product currently unavailable

Part no. A2049060205

Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205

Product currently unavailable

Part no. A2215404062

Mercedes W221 Air Suspension Control Unit Module Airmatic A2215404062

Product currently unavailable

Part no. A2129005722-1

Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722

Product currently unavailable

Part no. A2124400314

Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314

Product currently unavailable

Part no. A2059002141

Mercedes W205 Air Module Control Unit SRS ECU A2059002141

Product currently unavailable

Part no. A2045420523

PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523

Product currently unavailable

Part no. A0009002720

Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720

Product currently unavailable

Part no. A2709002100-7

Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100

Product currently unavailable

Part no. A0009058802

Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802

Product currently unavailable

Part no. A0035422519

Mercedes-Benz A B Class W169 W245 Battery Relay Module Unit A0035422519

Product currently unavailable

Part no. A2129005213

Mercedes C204 Sound Audio Amplifier Unit Harman Becker A2129005213

Product currently unavailable

Part no. A0001501780

Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780

Product currently unavailable

Part no. A0131540602

Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N

Product currently unavailable

Part no. A2469002718-1

Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718

Product currently unavailable

Part no. A6397600604

Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604

Product currently unavailable

Part no. A2139005528

Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528

Product currently unavailable

Part no. A6519062300-1

Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter NAPA A6519062300

Product currently unavailable

Part no. A6511505320

Mercedes Sprinter W906 Engine Wiring Loom Harness Cable CDI Diesel A6515460161

Product currently unavailable

Part no. A6079002300

Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300

Product currently unavailable

Part no. A0009059906

Distance Radar Module Mercedes GLE W166 C292 Control Unit A0009059906

Product currently unavailable

Part no. A1699010100-1

Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100

Product currently unavailable

Part no. A2094400705

Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705

Product currently unavailable

Part no. A6519000601

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

Product currently unavailable

Part no. A2095450701

Sam Unit Mercedes S203 W203 Rear Module Fuse Box A2095450701

Product currently unavailable

Part no. A2035403533

Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533

Product currently unavailable

Part no. A0009068802-3

Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802

Product currently unavailable

Part no. A2139062610

SD Card Mercedes X156 W176 W205 Garmin Map Pilot Navigation Europe A2139062610

Product currently unavailable

Part no. A1765401201

Mercedes W176 Multimedia Box Wiring Loom Electrical Harness A1765401201

Product currently unavailable

Part no. A2829062400

Starter Mercedes W177 M282 Petrol Engine Starter Motor A2829062400

Product currently unavailable

Part no. A2059008430

Head Unit Mercedes C205 Radio Player USB Sat Nav Harman A2059008430

Product currently unavailable

Part no. A4479007706

Mercedes W447 Door Control Module Front Left N/S A4479007706

Product currently unavailable

Part no. A0061519801

Mercedes W204 W212 W251 Starter Motor 642872 Diesel Engine Starter A0061519801

Product currently unavailable

Part no. A0025428319

Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319

Product currently unavailable

...

Showing 2674-2772 of 3148 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