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. A1718207326

Mercedes R171 Air Module SRS Control Unit Crash Sensor ECU A1718207326

Product currently unavailable

Part no. A2711500620

Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711500620

Product currently unavailable

Part no. A2025400231

Mercedes CLK W202 W208 Battery Negative Earth Cable Wiring A2025400231

Product currently unavailable

Part no. A6511505520

Engine Wiring Mercedes W906 OM651.955 Euro 5 Cable Loom Harness A6511505520

Product currently unavailable

Part no. A2469002603-1

Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603

Product currently unavailable

Part no. A2229063805

Fuse Box Mercedes GLC X253 Engine Compartment Relay Box Unit A2229063805

Product currently unavailable

Part no. A6394460332

Mercedes Vito Viano W639 Side Sliding Door Control Unit Module A6394460332

Product currently unavailable

Part no. A6399005400-2

Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400

Product currently unavailable

Part no. A2115400082

Mercedes S211 W211 Fuse Box Unit Cover Front A2115400082

Product currently unavailable

Part no. A0009001700

Mercedes Vito W639 Automatic Gearbox EGS53 Control Unit Module ECU A0009001700

Product currently unavailable

Part no. A2038207385

Mercedes W203 ECU Control Unit Crash Impact Sensor Module Air Module A2038207385

Product currently unavailable

Part no. A9060034099

Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999

Product currently unavailable

Part no. A2465407711

Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A2465407711

Product currently unavailable

Part no. A6549061600

Starter Motor Mercedes W205 W213 W238 W447 OM654 Engine Diesel A6549061600

Product currently unavailable

Part no. A2711500391-7

Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391

Product currently unavailable

Part no. A6401504033

Mercedes-Benz B-Class W245 180CDI Engine Wiring Harness Loom Cable A6401504033

Product currently unavailable

Part no. A1669056001-1

Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001

Product currently unavailable

Part no. A1695401006

Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006

Product currently unavailable

Part no. A0009001808

Mercedes W205 Park Assist PDC Trunk Control Unit Module A0009001808

Product currently unavailable

Part no. A2129003702

Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003702

Product currently unavailable

Part no. A0009068806

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

Product currently unavailable

Part no. A2218208089

Mercedes W221 Antenna Amplifier Control Unit Module A2218208089

Product currently unavailable

Part no. A1669005517

Mercedes W207 Telematic Communication Control Unit Module A1669005517

Product currently unavailable

Part no. A1405420732

Mercedes C140 Headlight Module Ballast Relay Control Unit LCM A1405420732

Product currently unavailable

Part no. A2045455401

Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401

Product currently unavailable

Part no. A2059000044

Mercedes C205 Midline Sound Audio Amplifier Unit A2059000044

Product currently unavailable

Part no. A2049004306

Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049004306

Product currently unavailable

Part no. A6395450301-2

Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301

Product currently unavailable

Part no. A2139002422

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

Product currently unavailable

Part no. A2469069600

Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600

Product currently unavailable

Part no. A2711505533

Mercedes W204 Petrol Engine M271 Engine Wiring Harnes A2711505533

Product currently unavailable

Part no. A2128702951

Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951

Product currently unavailable

Part no. A6549001400

Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic

Product currently unavailable

Part no. A2829003300-3

Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic

Product currently unavailable

Part no. A2749000800-4

Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800 Manual

Product currently unavailable

Part no. A6429004701

Mercedes C292 GLE 350d 4-Matic OM642.826 Engine Control Unit ECU A6429004701

Product currently unavailable

Part no. A6681500033

Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033

Product currently unavailable

Part no. A2229001821

Mercedes GLA X156 Comunication Module Telematic Bluetooth Control A2229001821

Product currently unavailable

Part no. A4159066000

Starter Motor Mercedes W415 Citan OM607 OM608 Diesel Engine Starter 233006508R

Product currently unavailable

Part no. A1664403436

Mercedes GLE W166 Wiring Harness Automatic Gearbox Cable Loom A1664403436

Product currently unavailable

Part no. A1695400706

Rear View Mirror Cable Mercedes W169 W245 Wiring Loom Harness A1695400706

Product currently unavailable

Part no. A2385407716

Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716

Product currently unavailable

Part no. A0009060803

Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803

Product currently unavailable

Part no. A2829003200-1

Mercedes W177 A200 M282.914 163HP Engine Control Unit Module ECU A2829003200

Product currently unavailable

Part no. A4709060300

Mercedes W470 Diesel Engine Starter Motor A4709060300

Product currently unavailable

Part no. A2139002501

Mercedes W213 OM654.920 Automatic Transmission Control Unit Module A2139002501

Product currently unavailable

Part no. A1679003118

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

Product currently unavailable

Part no. A2215403862

Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862

Product currently unavailable

Part no. A2215409032

Ground Line Mercedes W221 Wiring Battery Starter Alternator Cable A2215409032

Product currently unavailable

Part no. A2208201475

Mercedes-Benz S-Class W220 Aerial Roof Antenna Shark Radio A2208201475

Product currently unavailable

Part no. A0009069905

Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703

Product currently unavailable

Part no. A6461500977

Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461500977 Manual

Product currently unavailable

Part no. A6461501077

Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461501077 Manual

Product currently unavailable

Part no. 1368035080

Battery Tray Citroen Relay Fiat Ducato Battery Housing Box Tray 1368035080

Product currently unavailable

Part no. A9079007404

Mercedes Sprinter W907 W910 Body Control Module ECU A9079007404

Product currently unavailable

Part no. A2669000200-2

Mercedes W169 A180 266.940 Engine Control ECU Kit A2669000200 Key Lock Automatic

Product currently unavailable

Part no. A1645403072

Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072

Product currently unavailable

Part no. A0009068206

Alternator Generator Mercedes W177 W247 M260 Petrol Engine 200A 14V A0009068206

Product currently unavailable

Part no. A4479050004

Mercedes Vito W447 Negative Battery IBS Cable Wiring A4479050004

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. A0345454332

Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332

Product currently unavailable

Part no. A1645408662

Mercedes ML W164 Transfer Case Box Module Control Unit ECU A1645408662

Product currently unavailable

Part no. A2661531491-4

Mercedes W169 A160 266.920 95HP Engine Control Unit ECU Kit A2661531491 Key Lock

Product currently unavailable

Part no. A1695400762

Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762

Product currently unavailable

Part no. A0315450732

Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732

Product currently unavailable

Part no. A1679003718

Door Module Mercedes W205 W213 C253 Control Unit Rear Right O/S A1679003718

Product currently unavailable

Part no. A2118205785

Mercedes W211 S211 Airbag System Control Unit Module ECU

Product currently unavailable

Part no. A6461536579

Mercedes-Benz W203 W210 Sprinter W906 Glow Plug Relay A6461536579

Product currently unavailable

Part no. A2208204942-1

Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942

Product currently unavailable

Part no. A6229000400

Mercedes W447 Fan Control Relay Control Module Unit A6229000400

Product currently unavailable

Part no. A1645400436

Mercedes ML164 Alternator Wiring Starter Motor Harness OM642 A1645400436

Product currently unavailable

Part no. A1729008600

Mercedes W204 Display Screen Multimedia Navigation Dashboard Unit A1729008600

Product currently unavailable

Part no. A2218708326

Mercedes W221 Rear View Backup Camera Control Unit Module A2218708326

Product currently unavailable

Part no. A2129000406

Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406

Product currently unavailable

Part no. A2129003314

Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314

Product currently unavailable

Part no. A4479002707

Mercedes Vito W447 Transmission Gearbox Control Unit Module ECU A4479002707

Product currently unavailable

Part no. A2129003814

Fuse Box Mercedes W204 W212 Front Relay Control Unit Module SAM A2129003814

Product currently unavailable

Part no. A2165402945-1

Mercedes ML W164 Distronic Radar Sensor Cruise Control Unit Module A2165402945

Product currently unavailable

Part no. A2035454932

Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932

Product currently unavailable

Part no. A2035452901

Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901

Product currently unavailable

Part no. A6519007103-2

Mercedes Sprinter W907 311 CDI 651.958 114HP Engine Control Unit ECU A6519007103

Product currently unavailable

Part no. A2079003600

Mercedes C207 Coupe Module Rear Window Regulator Lifter Control Unit A2079003600

Product currently unavailable

Part no. A0015427419

Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419

Product currently unavailable

Part no. A2038201285

Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285

Product currently unavailable

Part no. A0009003704

Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704

Product currently unavailable

Part no. A0141541502

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

Product currently unavailable

Part no. A2035401335

Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335

Product currently unavailable

Part no. A2059005036

Mercedes W205 W253 CD Radio Audio Sat Nav Navigation Head Unit A2059005036

Product currently unavailable

Part no. A0009062609

Mercedes C118 W177 W247 Three Phase Alternator A0009062609

Product currently unavailable

Part no. A2165402545

Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545

Product currently unavailable

Part no. A0015426519

Mercedes C140 Brake Pump Relay Electrical Fuse Module Control Unit A0015426519

Product currently unavailable

Part no. A2215403050

Mercedes W221 Rear SAM Fuse Box Power Distribution Control Unit A2215403050

Product currently unavailable

Part no. A2219006404-1

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

Product currently unavailable

Part no. A0009004301

Mercedes C204 C207 C214 C218 Module Fuel Pump Control Module Unit A0009004301

Product currently unavailable

Part no. A2095452801

SAM Module Mercedes CLK W209 C209 A209 Fuse Box Relay Control Unit A2095452801

Product currently unavailable

Part no. rhd-A2135407144

Mercedes W213 Front Left N/S Door Electrical Wiring Harness A2135407144

Product currently unavailable

Part no. A2038206426

Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038206426

Product currently unavailable

Part no. A2038201786

Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201786

Product currently unavailable

Part no. A2218700326

Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218700326

Product currently unavailable

...

Showing 1981-2079 of 3154 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