Automotive electrical systems
More informationAt 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.
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BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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Volkswagen Golf Mk7 GTI 2.0 TFSI CHHA 230HP Engine Control Unit ECU 04L907309B
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Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
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Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Audi A4 B7 4.2 BBK Petrol Engine Alternator Generator 079903021E
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BMW F30 F33 Rear PDC Sensors Wiring Loom Cable 2295873
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Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515
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Volkswagen VW Golf 1K Mk5 Fuse Box Engine Compartment Relay Unit 1K0937124K
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084J
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Module Land Rover Freelander 2 ECU Front Door Window Control Unit 6G9T-14B533-KL
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BMW E60 E61 E63 E64 PDC Parking Control Module Unit ECU 9116264
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Mini R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456588
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Alternator BMW F20 F21 F30 F31 F36 Petrol N55 Generator 210A 7616120
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BMW F20 F21 F30 F31 F32 BCM Body Control Unit Module REM 9329701
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Chrysler Grand Voyager 2.8 CRD ENR Engine Water Inlet Hose Tube Line 5066883AB
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Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AC
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BMW 3 Series E91 E91N LCI Antenna Amplifier Diversity Unit 868 MHZ 6934846
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BMW 1 2 3 Series F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9299265
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059004433
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Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592E
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control DME 7613226 CAS3 Key Automatic
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Mercedes W169 CD Navi Media Player Radio COMAND Head Unit A1699002400
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Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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BMW E90 E91 LCI 318d N47N 143HP Engine ECU Kit DDE 8512043 CAS3 Key Automatic
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Mercedes W211 PDC Parking Sensor Module Control Unit A2115457332
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Audi Volkswagen Seat Skoda Engine Alternator Generator 06F903023C
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BMW E90 E91 LCI F10 Wiring Harness Engine Glow Module N57 7808257
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Audi A8 D4 4H Relay Fuse Bracket Holder Junction Box 4H0907348C
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Mini Cooper R55 R56 R57 Petrol N12 DME 7640005 Engine Control Unit ECU
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Door Module Mercedes W906 Front Door Right O/S Control Module A9068205626
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BMW E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673
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Engine Wiring Mini R56 LCI R60 N18 Loom Harness Injection Valve Ignition 7621309
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Seat Ibiza 6J VW Volkswagen 6R Starter Motor 1.2 1.6 Petrol Engine 02T911024N
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Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A
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Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802
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BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Mercedes R171 SLK 200 M271.944 163HP Engine Module ECU Kit A2711538579 Key Lock
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Mini Cooper SD ALL 4 R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual Gearbox
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Starter Motor Mercedes W415 Citan OM607 OM608 Diesel Engine Starter 233006508R
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Audi Q3 8U Camera Module Rear View Parking Camera Control Unit 8U0907441
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BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568
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Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
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Part no. 8T0959760B
Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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BMW G30 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
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Mercedes Vito W447 Control Unit Fuse Box Compartment Mount A4475450069
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Audi A8 D4 Battery Starter Alternator Harness Wiring Cable 4H0971224
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Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
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Land Rover Freelander 2 Display Screen Multimedia Navigation Sat 6H5210E958
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BMW 1 3 X1 Z4 Series E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6952296
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Ford Fiesta MK7 1.6 TDCI Starter Motor Engine Diesel 8V2111000AD
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 Delphi 6919275
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Black 6942912
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BMW E87 E90 E91 118i 318i N46 129HP Engine ECU Kit DME 7565300 Manual Key CAS 3
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Mercedes W203 W209 Relay Unit Module 2 Pins White Hella A0005461366
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MINI Cooper One R56 PL3 SPEG H5 Fuse Distribution Box 3455440
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BMW E60 E87 E90 E91 120d 320d 520d M47N2 ECU Kit DDE 7798180 CAS2 + Key Manual
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Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
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Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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BMW F20 F30 116d 316d N47N 116HP ECU Engine Contol Unit DDE 8578945 Automatic
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Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T
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Audi A4 B7 2.0 TFSI BGB Quattro 200HP Engine ECU Kit Ignition 8E0910115H + Keys
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Display Screen Mini F55 F56 F60 Multimedia Navigation Sat Nav Unit 6,5" 8803370
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Rear Bumper Antenna BMW E93 E93N LCI 2 Aerial Telephone 6970701
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Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365Q
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Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468F
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BMW X1 E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 Key Manual
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Audi Q5 8R Body Control Comfort Unit Module Unit 8K0907063DG
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BMW F20 F30 Air Duct Front Slam Panel Flap Control Motor Drive Unit C11492-104
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BMW F10 Footwell Light Control Unit Module ECU FRM III 6823590
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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 .