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. A1779061002

Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1779061002

Product currently unavailable

Part no. A2035451701

SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035451701

Product currently unavailable

Part no. A1718207326

Mercedes R171 Air Module SRS Control Unit Crash Sensor ECU A1718207326

Product currently unavailable

Part no. A2215401682

Mercedes W221 Cover Fuse Box Case Trim Panel Lid A2215401682

Product currently unavailable

Part no. A2469006018

Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018

Product currently unavailable

Part no. A6549009400-3

Mercedes W907 315CDI OM654.920 Engine Unit Module ECU Kit A6549009400 BCM + Key

Product currently unavailable

Part no. A2125407050-1

Mercedes W212 Fuse Box Control Unit Power Distribution Electrical A2125407050

Product currently unavailable

Part no. A1695450046

Mercedes-Benz A C W169 W204 Battery Relay Module Box A1695450046 A0035422619

Product currently unavailable

Part no. A2038705089-1

Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038705089

Product currently unavailable

Part no. A4475404326-1

Mercedes Vito W447 Fuse Relay Box Control Module A4475404326

Product currently unavailable

Part no. A2045407335

Mercedes W204 C207 W212 Earth Ground Cable Transmission To Body A2045407335

Product currently unavailable

Part no. A6519000603-1

Mercedes W205 C205 BlueTec OM651.921 Engine Control Unit ECU Kit A6519000603 Key

Product currently unavailable

Part no. A6395400050

Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400050

Product currently unavailable

Part no. A1698207826

Airbag Module Mercedes W169 W245 Air Bag Sensor Control Unit ECU A1698207826

Product currently unavailable

Part no. A0009003213

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

Product currently unavailable

Part no. A2098700289

Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098700289

Product currently unavailable

Part no. A0141541502

Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506

Product currently unavailable

Part no. A2661539779-2

Mercedes W169 W245 A150 B150 M266 Engine Control ECU Kit A2661539779 Key Lock

Product currently unavailable

Part no. A0008206926

Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module

Product currently unavailable

Part no. A0009008129-1

PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129

Product currently unavailable

Part no. A2049060205-4

Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205

Product currently unavailable

Part no. A2129006724-1

Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724

Product currently unavailable

Part no. A0025426419

Battery Relay Mercedes W211 CLS W219 Module Control Unit 12V A0025426419

Product currently unavailable

Part no. A1698206926

Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698206926

Product currently unavailable

Part no. A2218702826

Mercedes W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826

Product currently unavailable

Part no. A2135402045

Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045

Product currently unavailable

Part no. A2038201385

Door Module Mercedes CL203 W203 Front Left N/S Control Unit A2038201385

Product currently unavailable

Part no. A1728201600

Mercedes W176 W207 2x USB Interface Multimedia Adapter Connector

Product currently unavailable

Part no. A2465402605

Mercedes-Benz A B W176 W246 Engine Temperature Sensor Wiring Cable Harness

Product currently unavailable

Part no. A0061514501-2

Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501

Product currently unavailable

Part no. A2219000100

Mercedes W221 Digital Audio DAB Receiver Control Unit Module A2219000100

Product currently unavailable

Part no. A2035453501

SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035453501

Product currently unavailable

Part no. A2115409605

Mercedes W211 Rain Light Sensor Control Unit Wiring Loom Cable A2115409605

Product currently unavailable

Part no. A2315401050

Mercedes SL63 R231 Roadster Fuse Box Passenger Footwell Fuse Box A2315401050

Product currently unavailable

Part no. A2465402710

Mercedes W176 W246 Emergency Call Switch Roof Wiring Cable Loom A2465402710

Product currently unavailable

Part no. A2129005000-1

Navigation Screen Mercedes W212 1 Head Unit Sat Nav Center Display A2129005000

Product currently unavailable

Part no. A0045450201

Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201

Product currently unavailable

Part no. A0019822708

Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708

Product currently unavailable

Part no. A2035408505

Mercedes-Benz C W203 Rear Tailgate Boot Lid Wiring Harness Loom A2035408505

Product currently unavailable

Part no. A6421509478-2

Mercedes W164 ML320 4-Matic OM642.940 Diesel Engine Unit ECU Kit A6421509478 Key

Product currently unavailable

Part no. A0009827008-1

Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009827008

Product currently unavailable

Part no. A1648203785

Mercedes ML W164 Front Left Control Unit Module Door A1648203785

Product currently unavailable

Part no. A0009822523

Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523

Product currently unavailable

Part no. A1685401130

Mercedes-Benz A W168 CDI Battery Terminal Positive Cable Wiring A1685401130

Product currently unavailable

Part no. A1679003118

Door Module Mercedes W205 W213 X253 Front Right O/S Control Unit A1679003118

Product currently unavailable

Part no. A0035464240

Mercedes W906 Distributor Box Battery Cable Unit A0035464240

Product currently unavailable

Part no. A1685405908

Mercedes-Benz A-Class W168 Door Cable Harness Wiring Loom Rear A1685405908

Product currently unavailable

Part no. A1665405202

Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202

Product currently unavailable

Part no. A0255455932

Mercedes-Benz C CLK Class W202 W208 Module Control Unit Fan ECU A0255455932

Product currently unavailable

Part no. A2469003615

Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615

Product currently unavailable

Part no. A2098205489

Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489

Product currently unavailable

Part no. A2219006404-1

Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404

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. A2049004714

Mercedes W204 COMAND Navi CD Player Radio Sat Nav Head Unit A2049004714

Product currently unavailable

Part no. A2105401830

Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830

Product currently unavailable

Part no. A2058200526-1

SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526

Product currently unavailable

Part no. A0305455832

Mercedes-Benz W202 W203 W208 W210 Engine Control Unit Module ECU A0305455832

Product currently unavailable

Part no. A2465408032

Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465408032

Product currently unavailable

Part no. A9065454401

Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401

Product currently unavailable

Part no. A1715404945

Mercedes R171 Central Gateway Module ECU Control Unit A1715404945

Product currently unavailable

Part no. A1718204126

Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126

Product currently unavailable

Part no. A2139063605

SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605

Product currently unavailable

Part no. A0009052804

Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804

Product currently unavailable

Part no. A2711502433

Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433

Product currently unavailable

Part no. A9062700060

Mercedes Sprinter W906 Mechatronic Automatic Gearbox Control Unit A9062700060

Product currently unavailable

Part no. A1248205926

Mercedes W124 S124 Central Lock Control Unit Module A1248205926

Product currently unavailable

Part no. A0009060903

Alternator Mercedes W166 W213 C292 OM651 Generator 14V 250A A0009060903

Product currently unavailable

Part no. A2129009229

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

Product currently unavailable

Part no. A2229000821

Mercedes C238 Headlight Ballast Control Unit Module A2229000821

Product currently unavailable

Part no. A6519007500

Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU A6519007500 Automatic

Product currently unavailable

Part no. A1669000213

Mercedes ML W166 Radio Stereo CD Player Audio Sat Nav Head Unit A1669000213

Product currently unavailable

Part no. A2035460180

Mercedes-Benz C-Class S203 W203 Cable Rail Guide Sensors ABS A2035460180

Product currently unavailable

Part no. A2139004409

Mercedes W213 Door Module Front Right O/S Control Unit A2139004409

Product currently unavailable

Part no. A2048700594

Radio Player Mercedes-Benz W204 COMAND Navi CD Head Unit A2048700594

Product currently unavailable

Part no. A1695457940

Mercedes-Benz B W245 Additional Battery Holder Mounting Bracket A1695457940

Product currently unavailable

Part no. A2035453801-1

Mercedes W203 W209 Fuse Box Rear SAM Module Relay Control Unit A2035453801

Product currently unavailable

Part no. A1698207589

Mercedes W169 W245 CD Player Radio Audio Head Unit A1698207589

Product currently unavailable

Part no. A2075401550

Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550

Product currently unavailable

Part no. A6519005203-1

ECU Mercedes C205 C250d Diesel OM651.921 204HP Engine Control Unit Automatic

Product currently unavailable

Part no. A6549009900

Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900

Product currently unavailable

Part no. A9067600404

Bowden Cable Mercedes W906 Rear Sliding Door Opener Cable Wire A9067600404

Product currently unavailable

Part no. A0025422319

Mercedes-Benz Universal HELLA Relay Module 12V 4RA 940 010 A0025422319

Product currently unavailable

Part no. A2108207726

Mercedes-Benz C208 W210 Front Left Door N/S Control Unit Module A2108207726

Product currently unavailable

Part no. A1645406501

Mercedes ML W164 Front SAM Control Unit Module ECU A1645406501

Product currently unavailable

Part no. A0061516201

Starter Motor Mercedes Sprinter W204 W211 W212 OM646 Diesel Engine A0061516201

Product currently unavailable

Part no. A6519009502

Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic

Product currently unavailable

Part no. A2059001814

Mercedes W205 Air System Control Unit Module ECU A2059001814

Product currently unavailable

Part no. A2128203985

Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985

Product currently unavailable

Part no. A1699000400

Door Module Mercedes W169 W245 Control Unit Front Right O/S A1699000400

Product currently unavailable

Part no. A1698207126

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

Product currently unavailable

Part no. A2129008207

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

Product currently unavailable

Part no. A2711540802

Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802

Product currently unavailable

Part no. A0185459132

Mercedes W140 ABS Control Unit ASR + PML Module ECU A0185459132

Product currently unavailable

Part no. A6519062400

Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400

Product currently unavailable

Part no. A2115406445

Mercedes C219 Gearbox Electronic Control Unit Module A2115406445

Product currently unavailable

Part no. A1698204085

Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085

Product currently unavailable

Part no. A6519005301-3

Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU Kit Key Lock A6519005301

Product currently unavailable

Part no. A2139008822-1

Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822

Product currently unavailable

Part no. A1669067701

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

Product currently unavailable

...

Showing 3070-3168 of 3279 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