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. A1775404107

Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107

Product currently unavailable

Part no. A2038701489

Mercedes-Benz C-Class W203 Antenna Amplifier Control Module Unit A2038701489

Product currently unavailable

Part no. 7533103

Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7533103

Product currently unavailable

Part no. 9186477

BMW F07 F12 F13 LCI Camera System Unit Module Bracket Holder Mount 9186477

Product currently unavailable

Part no. 8610484

BMW F20 F21 114i N13 102HP Engine Control Unit ECU Module DME 8610484 Manual

Product currently unavailable

Part no. 8570676-1

BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675

Product currently unavailable

Part no. A2711502779

Mercedes W204 C180 Kompressor M271 Engine Control Unit Module ECU A2711502779

Product currently unavailable

Part no. 8518568-5

BMW F30 320d ed Diesel N47N 163HP Engine Control ECU Kit DDE 8518568 FEM Key

Product currently unavailable

Part no. BK2T18D815GD-1

Ford Transit Custom MK8 Radio Stereo Audio USB Head Unit Panel BK2T18D815GD

Product currently unavailable

Part no. A6549009400-2

Mercedes W907 315CDI OM654.920 Engine Unit Module ECU Kit A6549009400 Keys

Product currently unavailable

Part no. 8630125-3

BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8630125 Automatic

Product currently unavailable

Part no. A2075401650

Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650

Product currently unavailable

Part no. 3D0941329B

Volkswagen Passat B7 Headlight Cornering Module Control Unit 3D0941329B

Product currently unavailable

Part no. A2059009527

Mercedes W205 Air Module ICM SRS Control Unit ECU A2059009527

Product currently unavailable

Part no. 5A7E678

BMW G30 G31 Telematics Communication Control Module Unit 5A7E678

Product currently unavailable

Part no. 7590857-1

Mini Cooper S JCW R56 N14 1.6 211HP ECU Kit DME CAS3 Key 7590857 Manual

Product currently unavailable

Part no. 7788680-5

Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680

Product currently unavailable

Part no. 8617050-1

Mini R56 LCI One 55kW N16 1.6 75HP Engine ECU Kit DME 8617050 CAS 3 + Key

Product currently unavailable

Part no. rhd-KOASON1025

BMW F20 F21 F22 Koason Car Multimedia Navigation System 10.25" Screen GPS 2-DIN

Product currently unavailable

Part no. 9230453-1

BMW E81 Footwell Light Control Unit Module ECU Lear FRM3R PL2 9230453

Product currently unavailable

Part no. A6549008000-1

Mercedes Vito W447 OM654.920 114 CDI 136HP Engine ECU Kit A6549008000 Key Lock

Product currently unavailable

Part no. 1Z0971120ES

Skoda Octavia 2 Door Wiring Cable Harness Loom Front Driver's Side 1Z0971120ES

Product currently unavailable

Part no. 7638192-1

BMW F20 F21 F30 F31 N13 Petrol Engine Starter Motor Lucas 231005

Product currently unavailable

Part no. 6913896-1

BMW Z4 Series E85 E86 Aerial Antenna Amplifier Module Rod

Product currently unavailable

Part no. 8573258-6

BMW F20 F21 F30 116d 316d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Automatic

Product currently unavailable

Part no. 03C906016DM

Audi A1 8X 1.4 TSI CAXA 122hp ECU Engine Control Unit Automatic 03C906016DM

Product currently unavailable

Part no. 7577968-3

BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual

Product currently unavailable

Part no. 9130157

BMW X6 Series E71 Aerial Antenna Amplifier Diversity 868 MHZ 9130157

Product currently unavailable

Part no. 55189816

Fiat Doblo 1.9 JTD Engine Ignition Coil Wiring Harness 1439207

Product currently unavailable

Part no. A2139008409

Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409

Product currently unavailable

Part no. 6Q0035152E

Radio CD Player VW Volkswagen Polo 9N Head Unit Audio Player 6Q0035152E

Product currently unavailable

Part no. 8V7959255

Audi A3 8V Cabrio Folding Top Roof ECU Module Control Unit 8V7959255

Product currently unavailable

Part no. 059911021G

Motor Starter Audi A7 4G Q5 8R 3.0TDI Diesel Engine Starter Unit 059911021G

Product currently unavailable

Part no. 8P0862335K

Bluetooth Interface Audi TT 8J A3 8P Multimedia Steuergerät ECU 8P0862335K

Product currently unavailable

Part no. 8649869

BMW F30 LCI 330e Hybrid HV Accumulator Battery Positive Cable Wiring 8649869

Product currently unavailable

Part no. A6519007500-6

Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key

Product currently unavailable

Part no. A0035422519

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

Product currently unavailable

Part no. 8T0035785A

Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035785A

Product currently unavailable

Part no. 3456855

BMW Mini Cooper R55 LCI PL3 SPEG H5 Fuse Distribution Box 3456855

Product currently unavailable

Part no. A2078205289

Mercedes C207 Rear Radio Amp Sound Amplifier Audio Getaway Becker A2078205289

Product currently unavailable

Part no. 7450992

BMW F20 F21 F30 F31 Fuel Pump Delivery Control Unit Module 7450992

Product currently unavailable

Part no. 8486547-1

Mini Cooper F55 F56 Dual Clutch Transmission Gearbox Control Unit Module 8486547

Product currently unavailable

Part no. RHD-8R2035652B

Audi A4 B8 A5 8T Radio Multimedia Stereo Control Head Unit Harman 8R2035652B

Product currently unavailable

Part no. 6905666

BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666

Product currently unavailable

Part no. 6943830

Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830

Product currently unavailable

Part no. 7595179-13

BMW E81 E87 LCI N43 116i 2.0 122HP Engine ECU Kit 7595179 DME CAS3 Key Manual

Product currently unavailable

Part no. 7176068-3

BMW E63 X3 E83 Mini R50 R53 Control Unit Xenon Light Ballast Module 1307329074

Product currently unavailable

Part no. 02E911024A

Audi A3 8V 2.0 TDI Engine Starter Motor Bosch 02E911024A

Product currently unavailable

Part no. 6945156

BMW 5 6 Series E60 E61 E63 Sensor B-pillar Airbag Right O/S

Product currently unavailable

Part no. 9257189

Head Unit BMW E90 E91 LCI Radio CD Player Navigation Sat Nav Alpine 9257189

Product currently unavailable

Part no. 04E907309R-1

Audi A4 B9 1.4 TFSI CVNA 150HP Engine Control Unit ECU Kit 04E907309R Automatic

Product currently unavailable

Part no. A2048705190

Mercedes W204 Sound Audio Amplifier Unit Harman Becker A2048705190

Product currently unavailable

Part no. 9119427

BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942

Product currently unavailable

Part no. A2129008224

Headlight Control Module Mercedes W207 W212 Unit A2129008224

Product currently unavailable

Part no. 5K0035730D

VW Volkswagen Golf 6 Bluetooth Interface Control Module Unit ECU 5K0035730D

Product currently unavailable

Part no. 6988000

BMW 3 Series E90 Footwell Light Control Module AHL PL2 FRMFA 61356988000 6988000

Product currently unavailable

Part no. A2038219551

Mercedes CL203 Rear Roof Alarm Motion Sensor Cover Trim Black A2038219551

Product currently unavailable

Part no. 8378633

BMW E38 Basic Body Control Unit Module General Junction Box ECU GM III 8378633

Product currently unavailable

Part no. 4H0959795A

Audi A8 D4 Door Module Control Unit Rear Left Right N/O/S 4H0959795A

Product currently unavailable

Part no. A2129007313

Mercedes W212 CD Player Audio Stereo Radio Head Unit A2129007313

Product currently unavailable

Part no. 8589948

BMW G20 G21 Positive Battery Cable Wiring Loom 8589948

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. 7797661-2

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

Product currently unavailable

Part no. 9663798380

Peugeot 207 Fuse Box BSI Control Unit Module 9663798380

Product currently unavailable

Part no. A0009829308

Mercedes W212 W218 12Ah 200A Auxiliary Additional Generator Battery A0009829308

Product currently unavailable

Part no. A2049006909

Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049006909

Product currently unavailable

Part no. A2129005722

Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722

Product currently unavailable

Part no. 6916054

BMW E46 Control Unit Module Mirror Memory 6916054 61356916054

Product currently unavailable

Part no. 7638193-1

BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193

Product currently unavailable

Part no. A1718203926

Mercedes A B Class W169 W245 Rain Light Sensor Control Unit Module A1718203926

Product currently unavailable

Part no. A0009060922-1

Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

Product currently unavailable

Part no. A0018276604

Mercedes W207 Connection Media Interface Cable AUX Wire A0018276604

Product currently unavailable

Part no. 02A911023

Audi A3 8P Starter Motor Engine Diesel Actuator Unit 02A911023 LRS00791

Product currently unavailable

Part no. 7812502-2

BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Automatic

Product currently unavailable

Part no. 51810307A152

Vauxhall Combo Fiat Punto 1.3 Diesel Starter Motor 51810307A152

Product currently unavailable

Part no. 7544895

BMW 3 F30 LCI 330e B48X HV Accumulator Battery Positive Cable Wiring 7544895

Product currently unavailable

Part no. 7557395-22

Mini Cooper S R52 R53 W11 170HP Engine Control Unit Module ECU 7557395 Automatic

Product currently unavailable

Part no. 9286113-1

FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9286113

Product currently unavailable

Part no. rhd-A6398200326

Mercedes-Benz Vito Viano W639 Front Right Door O/S Control Module A6398200326

Product currently unavailable

Part no. rhd-A2085400150

Mercedes-Benz C CLK W202 W208 Electrical Fuse Relay Box Storage A2085400150

Product currently unavailable

Part no. 5WA035282

Audi Q2 GA Online Services Control Module ECU Control Unit 5WA035282

Product currently unavailable

Part no. 9259170

BMW 5 Series F10 Front Left Seat Wiring Loom Cable Harness 9259170

Product currently unavailable

Part no. 8642252

BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8642252 Drivelogic

Product currently unavailable

Part no. A2661538879-1

Mercedes W245 B170 M266 Engine Control ECU Kit A2661538879 Key Lock Automatic

Product currently unavailable

Part no. A2711536091-1

Mercedes R171 SLK 200 M271.954 Engine Control Unit ECU Kit A2711536091 Key Lock

Product currently unavailable

Part no. 9183564

BMW E61 E61N LCI Antenna Amplifier Diversity 868 MHZ 9183564 6985531 6934478

Product currently unavailable

Part no. A4479009509-1

Mercedes W447 Comfort Control Unit Module A4479009509

Product currently unavailable

Part no. 8617703

Engine Wiring Mini F56 Cooper S B46 B48 Valvetronic Cable Loom Harness 8617703

Product currently unavailable

Part no. 9263796

BMW E82 Front Headlight Lamp Module Footwell Unit Lear FRM3R PL2 ECU 9263796

Product currently unavailable

Part no. rhd-7802567

BMW 3 Series E90 E91 E92 330d M57N2 Diesel Manual Engine Wiring Loom Harness

Product currently unavailable

Part no. 7561834-12

BMW E87 E90 N46 118i 318i 129HP ECU Engine Module KIT DME 7561834 CAS2 Key

Product currently unavailable

Part no. A9068200086

Head Unit Mercedes Sprinter W906 Radio Cd Player Unit A9068200086

Product currently unavailable

Part no. 7801712-5

BMW E60 E90 330d 530d M57N2 ECU Engine ECU Kit DDE 7801712 CAS2 + Key Automatic

Product currently unavailable

Part no. A2129001901

Mercedes W212 Towing Hitch Trailer Hook Module Control Unit A2129001901

Product currently unavailable

Part no. 8638785

Mini Cooper F56 136HP Petrol B38 Engine Control ECU DME 8638785 Manual

Product currently unavailable

Part no. 7803373-2

BMW E60 E87 E90 M47N2 120d 320d 520d ECU Kit DDE 7803373 CAS3 Key

Product currently unavailable

Part no. 9185524

BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925

Product currently unavailable

Part no. A9068200079

Volkswagen Crafter Stereo Radio CD Player Head Unit A9068200079

Product currently unavailable

Part no. 9115360

BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360

Product currently unavailable

...

Showing 16336-16434 of 19881 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