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. A2129003922

Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922

Product currently unavailable

Part no. 6941416

BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416

Product currently unavailable

Part no. 8489449-1

BMW F36 LCI Petrol 430i B48 Engine Module ECU Kit DME 8489449 Keys FEM Automatic

Product currently unavailable

Part no. 9240523

BMW 1 Series E81 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240523

Product currently unavailable

Part no. 9812535

Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535

Product currently unavailable

Part no. 9165837

BMW E60 LCI E63 CHAMP Business System Controller CD Player 9165837

Product currently unavailable

Part no. 9825936

Dashboard Monitor BMW F90 M5 G30 Onboard Central Display Screen 10,25" 9825936

Product currently unavailable

Part no. 9366338

Dashboard Wiring BMW G30 G31 Front Centre Console Loom Harness 9366338

Product currently unavailable

Part no. 8510592-5

BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Kit DDE 8510592 CAS3 Key Manual

Product currently unavailable

Part no. A0025429319

Mercedes C117 W166 W176 W205 X253 Relay Black Control Unit 4 Pin 12V A0025429319

Product currently unavailable

Part no. 8X0971365

Audi A1 8X Driver's Seat Cable Seat Belt Warning Wiring Loom Harness 8X0971365

Product currently unavailable

Part no. A0028201326

Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326

Product currently unavailable

Part no. A0038207926

Door Module Mercedes W221 Door Control Unit Module A0038207926

Product currently unavailable

Part no. A6421506691-1

Mercedes W164 ML280 CDI OM642.940 Engine Control Unit ECU Kit A6421506691 Key

Product currently unavailable

Part no. 7800131

BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic

Product currently unavailable

Part no. 284B68764R

Mercedes W415 Fuse Box Relay Control Unit Module 284B68764R

Product currently unavailable

Part no. 7527072

BMW E60 E65 Petrol 530i 730i M54 Engine Control Unit DME 7527072 Automatic

Product currently unavailable

Part no. 9268750

Control Unit BMW F10 F11 X3 F25 CAS4 Key Reading Module 9268750

Product currently unavailable

Part no. A2049007806

Mercedes W204 Sound Audio Amplifier Unit Harman Becker A2049007806

Product currently unavailable

Part no. 0AD927755BE

VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BE

Product currently unavailable

Part no. A2189008903

Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903

Product currently unavailable

Part no. rhd-A2035400250

Mercedes-Benz C CLK Class W203 C209 Fuse Distribution Dashboard A2035400250

Product currently unavailable

Part no. 8579478-3

BMW F20 F30 120d 320d N47N 184HP ECU Kit Control Unit DDE 8579478 FEM Key

Product currently unavailable

Part no. 8P4971029E

Audi A3 8P Door Wiring Front Right O/S Harness Loom Cable 8P4971029E

Product currently unavailable

Part no. 8C1T18C815AD

Ford Transit MK7 CD Player Radio Stereo Audio Head Unit 8C1T18C815AD

Product currently unavailable

Part no. rhd-6937920

BMW 5 Series E60 E61 Wiring Loom Cable Seat Passenger's Side Left N/S 6939061

Product currently unavailable

Part no. A1635457032

Mercedes ML W163 Module SAM Electronics Control Unit A1635457032

Product currently unavailable

Part no. 9657700780

Peugeot 307 Citroen Berlingo C4 Glow Plug Wiring Loom Cable Wire 9657700780

Product currently unavailable

Part no. A2751500879-1

Mercedes S65 W221 AMG M275 Engine ECU Kit Ignition + 2 Key A2751500879 Automatic

Product currently unavailable

Part no. 8578945-1

BMW F20 F21 F30 116d 316d N47N 116HP ECU Kit DDE 8578945 + 2 Keys + FEM Manual

Product currently unavailable

Part no. 13222935-1

Vauxhall Corsa D 1.3 CDTi Alternator Generator Electrical Unit 101210-0961

Product currently unavailable

Part no. TAB-AGM-80AH

TAB AG80 AGM Start Stop Car Battery 80Ah 800A 12V

Product currently unavailable

Part no. A2045420818

Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045420818

Product currently unavailable

Part no. 8XA035192C

Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C

Product currently unavailable

Part no. 8S0915181A

Audi TT FV HV Battery Negative Terminal Cable Harness Loom Wiring 8S0915181A

Product currently unavailable

Part no. 4H4907357E

Audi A6 C7 Front Lamp Headlight Control Module Unit ECU Controller 4H4907357E

Product currently unavailable

Part no. 7595365

BMW Z4 Series E89 23i 30i N52N Engine Wiring Loom Harness 7595365 7584717

Product currently unavailable

Part no. A1679000511

Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000511

Product currently unavailable

Part no. A6461532891-2

Mercedes Vito W639 111 CDI 646.982 116HP Engine ECU Kit A6461532891 Key Lock

Product currently unavailable

Part no. 6926333

Door Cable BMW E93 Convertible Wiring Loom Front Cables Passenger Side 6926332

Product currently unavailable

Part no. 1308310404

BMW F46 LED Headlight Control Module Unit 1308310404

Product currently unavailable

Part no. 8574351-1

BMW X1 E84 18d Diesel N47N Engine Unit ECU Kit DDE 8574351 + CAS3 + Key Manual

Product currently unavailable

Part no. 6778809-1

Mini Cooper One R55 R56 R57 Xenon Headlight Level Sensor 6778809

Product currently unavailable

Part no. 4E0955559C

Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C

Product currently unavailable

Part no. 8K0971589A

Audi S4 B8 Steering Wheel Air Module Wiring Harness Loom Cable 8K0971589A

Product currently unavailable

Part no. 55568953

Opel Insignia A 2.0 Cdti Oil Level Crankshaft Sensor Wiring 55568953

Product currently unavailable

Part no. 5Q0937084N

Audi A3 8V Body Control Comfort Unit Module BCM Unit 5Q0937084N

Product currently unavailable

Part no. A1729007313

Mercedes SLC R172 PDC Parking Sensor Module Unit ECU A1729007313

Product currently unavailable

Part no. 7550468-3

BMW E81 E87 LCI E90 E91 Petrol N43 Alternator Generator 170A Denso 7550468

Product currently unavailable

Part no. A2479006804

Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804

Product currently unavailable

Part no. 9177985

BMW E88 ECU Body Control Module H3 Junction Box 9177985

Product currently unavailable

Part no. A2711535891-1

Mercedes CL203 CLC 180K 143HP M271.946 Engine Control ECU A2710108747 Manual

Product currently unavailable

Part no. 8735982

BMW G30 G31 F90 M5 G11 Antenna Aerial Diversity Amplifier Unit 8735982

Product currently unavailable

Part no. 7432799

BMW X5 X6 F15 F16 Diesel Adblue Module Control Unit ECU 7432799

Product currently unavailable

Part no. 7N0907530AQ

Skoda Yeti 5L Superb Mk2 Temic Gateway Control Module Unit ECU 7N0907530AQ

Product currently unavailable

Part no. A2929007101

Mercedes GLE C292 Coupe Trunk Lid Module Automatic Closing A2929007101

Product currently unavailable

Part no. 8720307

Telematics Module BMW F10 F20 F30 F82 Bluetooth Communications Control 8720307

Product currently unavailable

Part no. 8519663-23

Mini Cooper D R55 R56 R60 N47 112HP Engine ECU Kit DDE CAS 3 Key 8519663 Manual

Product currently unavailable

Part no. A6461532691-1

Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691

Product currently unavailable

Part no. 7587548-2

Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS 3 + Key Manual

Product currently unavailable

Part no. 7317512

BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512

Product currently unavailable

Part no. 3447012

GM Vauxhall Opel Relay 4-Pin Multi Use Glow Plug Unit Green 03447012

Product currently unavailable

Part no. NAPA 80Ah Accumulator

NAPA AGM Accumulator Battery 80Ah 800A 12V AGM115N

Product currently unavailable

Part no. A2469005418

Mercedes X156 Head Unit Radio Player Control Module Becker A2469005418

Product currently unavailable

Part no. 3C8959760E

Volkswagen VW Passat B7 Driver's Seat Control Unit Module ECU 3C8959760E

Product currently unavailable

Part no. 7540600

BMW E53 E60 E63 E65 545i 645Ci 735i 4.4i N62 Engine Control Unit DME 7540600

Product currently unavailable

Part no. 6977724-2

BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724

Product currently unavailable

Part no. 9172020

BMW E64 Convertible Airbag Module Sensor ECU Air Bag Unit 9172020

Product currently unavailable

Part no. A2711538579

Mercedes R171 SLK 200 163HP 271.944 Kompressor Engine ECU A2711538579 Manual

Product currently unavailable

Part no. 4G8907472

Audi A7 4G8 Dynamic Flashing LED Headlight Lamp Control Module Unit 4G8907472

Product currently unavailable

Part no. 6826790-2

BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6826790

Product currently unavailable

Part no. 1K0907383F

Audi A3 8P Towing Hitch Tow Bar Control Module Unit ECU 1K0907383F

Product currently unavailable

Part no. 04L907309E-2

Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual

Product currently unavailable

Part no. A2139002729

Amplifier Mercedes W205 Sound Amplifier Rear Module Premium Sound E A2139002729

Product currently unavailable

Part no. rhd-A2479007204

Display Screen Mercedes W177 W247 Instrument Cluster Speedo Meter A2479007204

Product currently unavailable

Part no. 6863502

BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6863502

Product currently unavailable

Part no. 6977066

BMW X5 Series E70 Door Cable Harness Wiring 6977066 6937277

Product currently unavailable

Part no. 6916692

BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692

Product currently unavailable

Part no. A6461508072-1

Mercedes W639 2.2CDI OM646.980 Engine ECU Kit Unit A6461508072 Key Automatic

Product currently unavailable

Part no. A0009827403

Mercedes W205 Energy Distributor Power Electrical Control Unit A0009827403

Product currently unavailable

Part no. 7640005

Mini Cooper R55 R56 R57 Petrol N12 DME 7640005 Engine Control Unit ECU

Product currently unavailable

Part no. 3442133-2

Aerial Roof Antenna Mini R56 Base Unit Module R55 R57 3442133

Product currently unavailable

Part no. 7811701-1

BMW E87 E90 LCI 118d 318d N47 Diesel ECU KIT DDE 7811701 + CAS3 + Key Automatic

Product currently unavailable

Part no. 7557290

BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME CAS 2 key 7557290 Manual

Product currently unavailable

Part no. 4G8959793J

Audi A6 C7 Door Module Control Unit ECU Front Left N/S 4G8959793J

Product currently unavailable

Part no. 8T0959754

Audi A5 8T Remote Radio Alarm Key Button Control Unit Module 868 MHZ 8T0959754

Product currently unavailable

Part no. A0009060903

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

Product currently unavailable

Part no. 7568842-1

BMW E90 E91 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Manual

Product currently unavailable

Part no. E70-RETROFIT

Head Unit Retrofit BMW X5 E70 X6 E71 Apple CarPlay Android Auto CIC Set

Product currently unavailable

Part no. 55567591

Opel Zafira Insignia 2.0 A20dth Cdti Glow Plug Wiring Loom Harness 55567591

Product currently unavailable

Part no. 9246185

Hifi Amplifier BMW E91 Touring Speaker System Control Unit Module 9246185

Product currently unavailable

Part no. 8512415-4

Mini Cooper D R55 R56 LCI N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Keys

Product currently unavailable

Part no. 9354277

BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277

Product currently unavailable

Part no. A6421500841-1

Mercedes W221 S320 CDI OM642.930 235HP Engine ECU Kit A6421500841 Key Automatic

Product currently unavailable

Part no. rhd-8507876

BMW 3 Series E90 E91 E92 E93 LCI 320d N47N Engine Wiring Loom Harnes 8507876

Product currently unavailable

Part no. a2229004519

Communication Module Mercedes R172 C117 W176 Hermes LTE Control Unit A2229004519

Product currently unavailable

Part no. 5F0941472

Seat Leon Cupra 5F Xenon Headlight Ballast Control Unit Module ECU 5F0941472

Product currently unavailable

Part no. rhd-9159066

BMW 5 Series E60 E61 LCI Switch Center Control Block Button

Product currently unavailable

Part no. KT1T18B955EB

Ford Transit Connect Mk2 II Dashboard Display Screen Panel KT1T-18B955-EB

Product currently unavailable

...

Showing 19306-19404 of 19786 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