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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 1EA907376B
Audi A3 S3 8Y Rear Suspension Damper Module Control Unit ECU 1EA907376B
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4F1971035N
Audi A6 C6 Front Driver Side Door Wiring Harness Loom Cable 4F1971035L
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8T0862335D
Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335D
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 5Q0919275B-BLK
Audi Q2 GA Front Parking Sensor Assist Control Module Black 5Q0919275B
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 1S0919275D-FSI
Audi Q3 8U PDC Parking Distance Control Sensor 1S0919275D Foil Silver - Z7G
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 3Q0959435D
Audi TT FV Mk3 8S Keyless Module Control Unit Comfort Access 3Q0959435D
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 443937105B-1
Volkswagen Audi Skoda Seat Thermal Fuse Relay Amp 15A 12V 443937105B
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4H0907658C
Audi S3 8Y A5 F5 Q5 FY A8L 4H Air Quality Sensor Unit 4H0907658C
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8E0035111D
Audi TT 8J Radio Head Unit Navi CD DVD Player Changer 8E0035111D
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8T0907468H
Audi A4 B8 Gateway Interface Control Module Unit ECU 8T0907468H
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7L0937401B
Audi Q7 4L Power Distribution Box Control Unit Plus Housing Cover 7L0937401B
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 09G927750CA
Audi TT 8N Automatic Gearbox Module Control Unit ECU 09G927750CA
Promo price
€142.95
€85.77
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4F1971693D
Audi A6 C6 Rear Door Wiring Left Right N/O/S Harness Loom Cable 4F1971693D
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 06A903143P
Audi TT 8N Alternator Bracket Mount Holder 06A903143P
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8S0907468D
Audi TT FV Mk3 8S Gateway Module Interface Data Bus Control Unit 8S0907468D
€42.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 06D911023A
Audi A4 B8 2.0 TFSi Petrol Engine Starter Motor Actuator Unit 06D911023A
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4H0907412
Audi A8 D4 Ambient Lighting Control Module Unit ECU 4H0907412
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4M0959592N
Audi Q7 4M Front Door Module Control Unit ECU Passenger Side 4M0959592N
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4F0971765
Audi A6 C6 Wing Mirror Adjustment Switch Wiring Loom Cable 4F0971765
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4H4907357G
Audi TT 8S Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357G
€66.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4E0035225BQ
Audi A8 D3 Aerial Amplifier Antenna Receiver Signal Booster Unit 4E0035225BQ
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8E2971235A
Audi A4 B7 Seat Exeo 3R Battery Negative Terminal Cable 8E2971235A
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8J0035223E
Audi TT 8J Coupe Roadster Ultrasonic Sound Control Module ECU Unit 8J0035223E
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4H0971160A
Audi A8 D4 Door Card Wiring Harness Loom Front Passenger Side 4H0971160A
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8T0959793G
Audi A4 B8 Door Module Front Left N/S Control Unit ECU 8T0959793G
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8X0971365
Audi A1 8X Driver's Seat Cable Seat Belt Warning Wiring Loom Harness 8X0971365
€42.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4E0035225BL
Audi S8 D3 Aerial Amplifier Antenna Receiver Signal Booster Unit 4E0035225BL
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8W0907468J
Audi A4 B9 Gateway Control Unit Module ECU 8W0907468J
Promo price
€341.95
€290.66
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8K0907551-1
Audi S4 B8 3.0 TFSI 333HP CAKA Quattro Engine ECU Kit 8K0907551 Automatic
Promo price
€246.95
€148.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 4L0035225AJ
Audi Q7 4L Radio Aerial Antenna Amplifier AM/FM 4L0035225AJ
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 4H0035670R
Audi A8L 4H Multimedia Radio Sat Nav CD Player SD SIM Head Unit 4H0035670R
Promo price
€455.95
€273.57
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 06L971627M
Audi Audi Q5 FY 2.0 TFSI QUATTRO Petrol Fuel Injectors Wiring Harness 06L971627M
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8K5907115
Audi A4 B8 A5 8T 2.0 TFSI CDNC Quattro 211HP Engine Control Unit ECU 8K5907115
€260.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 4G5971687BQ
Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left N/S 4G5971687BQ
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8P0907279P
Audi A3 8P Gateway Interface Onboard Supply Control Module Unit ECU 8P0907279P
Promo price
€237.95
€202.26
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8K0971228AH
Audi A5 8T Positive Battery Lead Terminal Cable Wiring 2.0 TFSI 8K0971228AH
€66.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8K0959795F
Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795F
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8J0057186Q
Audi TT 8J Radio Head Unit CD Audio Player Control Unit 8J0035186Q
€85.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 3Q0907338E
Audi S3 8V Front Headlight Lamp Range Control Module ECU 3Q0907338E
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8K0971104AE
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104AE
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 02E911023Q
Audi A3 8P Engine Starter Motor Actuator 2.0 TDI Diesel 02E911023Q
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Product currently unavailable
Part no. 8U0857273E
Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
Product currently unavailable
Part no. 8K0907801H
Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
Product currently unavailable
Part no. 1K0937124P
Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
Product currently unavailable
Part no. 06F971082F
Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
Product currently unavailable
Part no. 8U0857273B
Audi Q3 8U Display Screen Multimedia Navigation Sat 8U0857273B
Product currently unavailable
Part no. 7PP941572AC
Audi A5 F5 Xenon Headlight Resistor Ballast Relay Module Unit 7PP941572AC
Product currently unavailable
-5%
Part no. 8Y0971693D
Audi S3 8Y Sportback Rear Door Wiring Harness Loom Left Right N/O/S 8Y0971693D
Product currently unavailable
Part no. 8X0907063AB
Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
Product currently unavailable
Part no. 8W0035736
Audi A4 B9 Connector AUX USB Adapter Port Socket 8W0035736
Product currently unavailable
Part no. 8W0907217B
Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
Product currently unavailable
Part no. 8R0919604A
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
Product currently unavailable
Part no. 8P0907063G
Audi A3 8P Body Control Module Unit 8P0907063G
Product currently unavailable
Part no. 8X0907063AF
Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
Product currently unavailable
Part no. 8K0915181E
AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
Product currently unavailable
Part no. 8K0907801E
Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
Product currently unavailable
Part no. MMI2G-CARPLAY-A1
Audi A1 8X Bluetooth Interface CarPlay MMI Retrofit Multimedia Unit Set MMI2G
Product currently unavailable
Part no. 8T0862335F
Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335B
Product currently unavailable
Part no. 8T0035415B
Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
Product currently unavailable
-5%
Part no. 1K0906093F
Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
Product currently unavailable
Part no. 8K0907063P
Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P
Product currently unavailable
Part no. 8P0959801F
Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
Product currently unavailable
Part no. 3C0906093C
Audi TT Mk2 8J Petrol Engine Fuel Pump Control Unit Module 3C0906093C
Product currently unavailable
-5%
Part no. 5Q0915181H
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H
Product currently unavailable
Part no. 8K0907063DG
Audi Q5 8R Body Control Comfort Unit Module Unit 8K0907063DG
Product currently unavailable
Part no. 4F0907289G
Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
Product currently unavailable
Part no. 8K0907064DP
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
Product currently unavailable
Part no. 4F0035053B-1
Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
Product currently unavailable
Part no. 03L906022RM-1
Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
Product currently unavailable
-5%
Part no. 8R0959655G
Audi Q5 8R Air Module Control Unit SRS System ECU 8R0959655G
Product currently unavailable
Part no. 4G0035223C
Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
Product currently unavailable
Part no. 5Q0906121G
Audi A3 8V 1.6 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121G
Product currently unavailable
-15%
Part no. 4M0907566D
Audi S5 F5 Blind Spot Radar Distance Control Module Right O/S Master 4M0907566D
Product currently unavailable
Part no. 8J0035223B
Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
Product currently unavailable
-5%
Part no. 8K0959793R
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8K0959793R
Product currently unavailable
Part no. 8P0907279F
Audi A3 8P Fusebox Body Control Comfort Module BCM Unit ECU 8P0907279F
Product currently unavailable
Part no. 8X0959795D
Audi A1 8X Rear Door Module Left N/S Control Unit ECU 8X0959795D
Product currently unavailable
Part no. 8E5035223
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman 8E5035223
Product currently unavailable
Part no. 4L0698007A
Audi Q7 4L Air Suspension Level Height Adjustment Compressor Pump 4L0698007A
Product currently unavailable
Part no. 8K0907801K
Audi A4 B8 Parking Brake Control Module Unit ECU 8K0907801K
Product currently unavailable
Part no. 8U0971687B
Audi Q3 8U Rear Door Loom Wiring Harness Cable Left Right N/O/S 8U0971687B
Product currently unavailable
Part no. 03G903016EX
Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX
Product currently unavailable
-15%
Part no. 03G911023
Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
Product currently unavailable
Part no. 8P0953549K
Audi A3 8P Steering Angle Steering Wheel Column Control Module ECU 8P0953549K
Product currently unavailable
Part no. 03L906022JM
Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU 03L906022JM
Product currently unavailable
Part no. 05L911021
Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
Product currently unavailable
Part no. 4E0907801B
Audi A8 S8 D3 Electric Parking Brake Module Handbrake Control Unit 4E0907801B
Product currently unavailable
Part no. 8K0035474B
Audi A4 B8 A5 8T Connector AUX Adapter Port Socket Plug 8K0035474B
Product currently unavailable
Part no. 03C903023A
Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A
Product currently unavailable
Part no. 4H0906093G
Audi A8 D4 Diesel Engine Fuel Pump Control Unit Module 12V 4H0906093G
Product currently unavailable
Part no. 03L906018CN
Audi Q3 8U 2.0 TDI 140HP CFFB Quattro Engine Control Unit ECU 03L906018CN Manual
Product currently unavailable
Part no. 4K0906121C
Fuel Pump Control Audi A4 B9 A5 F5 A6 C8 Pump Unit Module ECU 4K0906121C
Product currently unavailable
Part no. 8K0919475R
Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
Product currently unavailable
Part no. 4G8959795F
Audi A7 4G Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795H
Product currently unavailable
Part no. 81A035502
Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
Product currently unavailable
Part no. 8K0915181L
Audi A1 8X Negative Battery Terminal 8K0915181L
Product currently unavailable
Part no. 8X0959655A
Audi A1 8X Air Module Sensor Control Unit Module 8X0959655A
Product currently unavailable
Part no. 8X0919475N
Audi Q3 8U PDC Assistance Parking Distance Control Module Unit ECU 8X0919475N
Product currently unavailable
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 .