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. A2115406445

Mercedes C219 Gearbox Electronic Control Unit Module A2115406445

Product currently unavailable

Part no. A2115405645-1

Mercedes W211 Central Gateway Module Control Unit A2115405645

Product currently unavailable

Part no. A2115456701

Mercedes C219 Fuse Box Rear Relay Control Unit Module A2115456701

Product currently unavailable

Part no. A0028203226

Air Module Mercedes W210 SRS Control Unit ECU Control Module A0028203226

Product currently unavailable

Part no. A2139068801

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801

Product currently unavailable

Part no. A1648207426

Mercedes ML W164 W251 Air Module SRS Control Unit ECU A1648207426

Product currently unavailable

Part no. A1645400072

Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072

Product currently unavailable

Part no. A1645408662

Mercedes ML W164 Transfer Case Box Module Control Unit ECU A1645408662

Product currently unavailable

Part no. A2115455232

Mercedes W211 Front Fuse Box SAM SRB Module Relay Control Unit A2115455232

Product currently unavailable

Part no. A2465400950-1

Mercedes C117 W176 W246 Fuse Box Power Distribution Box A2465400950

Product currently unavailable

Part no. A6519009702

Mercedes W176 W246 200 CDI 651.930 136HP Engine Unit ECU A6519009702 Manual

Product currently unavailable

Part no. A0009068802-3

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

Product currently unavailable

Part no. A0009068802-2

Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802

Product currently unavailable

Part no. A2059006413

Door Module W205 Rear Right O/S Door Control Unit Module ECU A2059006413

Product currently unavailable

Part no. A0009068806

Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806

Product currently unavailable

Part no. A2478204102

Mercedes W907 Aux USB Port Socket A2478204102

Product currently unavailable

Part no. A2198200626

Door Module Mercedes C219 Front Left Door N/S Control Unit Module A2198200626

Product currently unavailable

Part no. A0009063705

Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705

Product currently unavailable

Part no. A0009002720

Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720

Product currently unavailable

Part no. A2039000100-1

Head Unit Mercedes CL203 CLC CD Player Radio Audio Telephone Unit A2039000100

Product currently unavailable

Part no. A6549009900

Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900

Product currently unavailable

Part no. A2054403008

Mercedes W205 X253 Wiring Cable Harness Center Console A2054403008

Product currently unavailable

Part no. A0009063522

Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522

Product currently unavailable

Part no. A6519003203-3

Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519003203 Manual

Product currently unavailable

Part no. A2098202689

Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098202689

Product currently unavailable

Part no. A6229000500-1

Mercedes W447 109CDI BE OM622.951 Engine Control Module ECU Kit A6229000500

Product currently unavailable

Part no. A2139009022

SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022

Product currently unavailable

Part no. A0009000518

Audio Module Mercedes C238 Premium Sound E Control Unit A0009000518

Product currently unavailable

Part no. a4479050104

Earth Ground Cable Mercedes Vito W447 Negative Battery Lead Wiring A4479050104

Product currently unavailable

Part no. a0025429219

Mercedes C117 W166 W176 W222 W246 Relay Black Control Unit 12V 20A A0025429219

Product currently unavailable

Part no. a0045468040

Mercedes W204 W212 W221 Power Distributor Box Conectors Socket A0045468040

Product currently unavailable

Part no. A2129004830

Mercedes SLK R172 W212 Rear Fuse Box SAM Relay Control Unit Module A2129004830

Product currently unavailable

Part no. A1729015805

Mercedes SLK R172 Airbag Module SRS Control Unit ECU A1729015805

Product currently unavailable

Part no. A2129009229

Mercedes R172 Door Module Mercedes Front Right O/S Control Unit A2129009229

Product currently unavailable

Part no. A2118203297

Mercedes W211 W219 Radio CD Player COMAND Sat Navigation Head Unit A2118203297

Product currently unavailable

Part no. A2045420523

PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523

Product currently unavailable

Part no. A1729000614

SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module

Product currently unavailable

Part no. A1729008412

Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412

Product currently unavailable

Part no. A2059006818

Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006818

Product currently unavailable

Part no. a2229004519

Communication Module Mercedes R172 C117 W176 Hermes LTE Control Unit A2229004519

Product currently unavailable

Part no. A6461541102-2

Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

Product currently unavailable

Part no. A1665408909

Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness

Product currently unavailable

Part no. A2059009627

Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627

Product currently unavailable

Part no. 1005831549

Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549

Product currently unavailable

Part no. A1729000814

Head Unit Mercedes SLK R172 Radio Media Sat Nav Unit Switch Panel A1729000814

Product currently unavailable

Part no. A2229009211

Mercedes W207 A207 W212 Digital Satellite Radio Control Unit A2229009211

Product currently unavailable

Part no. A1665450403

Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403

Product currently unavailable

Part no. A1715451701-1

Fuse Box Mercedes SLK R171 Roadster SAM Relay Box Control Module A1715451701

Product currently unavailable

Part no. A1665402450

Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450

Product currently unavailable

Part no. A1699002100

Mercedes W245 Head Unit Radio CD Media Player Telephone Unit A1699002100

Product currently unavailable

Part no. A0009006616

Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616

Product currently unavailable

Part no. A2059009427

Mercedes W205 Front Air Module SRS Control Unit ECU A2059009427

Product currently unavailable

Part no. A2129005622

Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622

Product currently unavailable

Part no. A2229008911-1

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

Product currently unavailable

Part no. A2055455440

Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440

Product currently unavailable

Part no. A2701501533

Wiring Mercedes W176 W242 W246 C117 Petrol M270 Engine Harness Loom A2701501533

Product currently unavailable

Part no. A0009061903

Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903

Product currently unavailable

Part no. A6089060100

Starter Mercedes W177 W247 C118 1.5 OM608 Diesel Starter Motor A6089060100

Product currently unavailable

Part no. A2139062201-1

Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201

Product currently unavailable

Part no. A2229007009

Mercedes W205 SAM Module Comfort Control Unit ECU A2229007009

Product currently unavailable

Part no. A2139008309

Mercedes W213 Front Seat Control Unit Module ECU A2139008309

Product currently unavailable

Part no. A2059003729

Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059003729

Product currently unavailable

Part no. A1775400630

Parking Sensor Wiring Mercedes W177 V177 Rear Bumper PDC Loom Cable A1775400630

Product currently unavailable

Part no. A2198201926

Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926

Product currently unavailable

Part no. A2049017901

Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901

Product currently unavailable

Part no. A1669003501

Mercedes W166 Switch Rotary Selector Controller Navigation Radio A1669003501

Product currently unavailable

Part no. A1665460143

Mercedes ML W166 Fuse Box Electric Distribution Control Module A1665460143

Product currently unavailable

Part no. A1679001320

Ignition Module Mercedes V177 Electronic Ignition Switch Keyless Control Unit

Product currently unavailable

Part no. A6511501879-5

Mercedes Vito W639 2.2 CDI 651.940 4-Matic ECU Kit Engine A6511501879 Key Lock

Product currently unavailable

Part no. A0061514501-2

Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501

Product currently unavailable

Part no. A1665420518

Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518

Product currently unavailable

Part no. A0009820123

Relay Mercedes W166 Voltage Dip Protection Start/Stop Relay Module A0009820123

Product currently unavailable

Part no. A1665402150

Mercedes W166 Seat Fuse Relay Junction Box Block A1665402150

Product currently unavailable

Part no. A2198200089

Antenna Amplifier Mercedes CLS C219 Pillar C Left N/S Aerial Module A2198200089

Product currently unavailable

Part no. A4475405931

Mercedes Vito W447 Fuse Relay Box Module A4475405931

Product currently unavailable

Part no. A2721540002-1

Alternator Generator Mercedes R171 W209 W211 M272 Petrol Engine 150A A2721540002

Product currently unavailable

Part no. a6394460317

Mercedes Vito W639 Suspension Level Control Unit Module ECU A6394460317

Product currently unavailable

Part no. A2059004433

Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059004433

Product currently unavailable

Part no. A4479000001

Mercedes W447 Front Door Module Left N/S Control Unit ECU A4479000001

Product currently unavailable

Part no. A6421503972-1

Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421503972 Key Lock

Product currently unavailable

Part no. A2129006924

Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924

Product currently unavailable

Part no. A2079012700

Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700

Product currently unavailable

Part no. A1729000402

Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402

Product currently unavailable

Part no. A2129008224

Headlight Control Module Mercedes W207 W212 Unit A2129008224

Product currently unavailable

Part no. A2049005112-1

Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112

Product currently unavailable

Part no. A2094400705

Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705

Product currently unavailable

Part no. A2139062607

Mercedes W213 SD Card Garmin Map Pilot Navi Europe 2019 A2139062607

Product currently unavailable

Part no. A0009015303

Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214

Product currently unavailable

Part no. A2469008510

Body Control Module Mercedes W117 W176 W242 W246 Fuse Box Sam A2469008510

Product currently unavailable

Part no. A1645405662

Mercedes W164 Central Gateway Control Unit Module A1645405662

Product currently unavailable

Part no. A2118705226

Mercedes W211 W219 Navigation Reader DVD CD Player Control Unit A2118705226

Product currently unavailable

Part no. A1669059302

Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302

Product currently unavailable

Part no. A1648203885

Mercedes ML W164 Front Right Control Unit Module Door A1648203885

Product currently unavailable

Part no. A4475450069

Mercedes Vito W447 Control Unit Fuse Box Compartment Mount A4475450069

Product currently unavailable

Part no. A9069006100

Mercedes Sprinter W906 Door Module Front Right O/S Control Module A9069006100

Product currently unavailable

Part no. A1645403706

Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706

Product currently unavailable

Part no. A6519003701

Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701

Product currently unavailable

Part no. A2139003326

SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326

Product currently unavailable

Part no. A1648703726

Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726

Product currently unavailable

...

Showing 1981-2079 of 3092 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