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. 06H911024B
Audi A5 8T 2.0 CNCD Petrol Starter Motor 06H911024B
Product currently unavailable
Part no. 8U0955559B
Audi A5 8T Windscreen Rain Sensor Control Unit 8U0955559B
Product currently unavailable
-5%
Part no. 8K0907801N
Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
Product currently unavailable
Part no. 8R0919604A
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
Product currently unavailable
Part no. 8T2907115-1
Audi A5 8T 2.0 TFSI CNCD Quattro 224HP Engine ECU Kit 8T2907115 Key Ignition
Product currently unavailable
Part no. 8K0971228H
Audi A4 B8 3.0 TDI Starter Alternator Wiring Loom Cable Harness 8K0971228H
Product currently unavailable
Part no. 04L903017A-1
Audi A4 B8 3.0 TDI CAPA Diesel Alternator 04L903017A
Product currently unavailable
Part no. 420919275-IWH
Audi A4 A5 Q7 Rear Bumper PDC Parking Sensor Ibis White - Y9C 420919275
Product currently unavailable
Part no. 89500248
Audi A5 8T Headlight Lightning Control Module LCM Unit ECU 89500248
Product currently unavailable
Part no. 8X0919475M
Audi Q3 8U PDC Parking Assistance Control Module Unit ECU 8X0919475M
Product currently unavailable
Part no. 8U0857273B
Audi Q3 8U Display Screen Multimedia Navigation Sat 8U0857273B
Product currently unavailable
Part no. 8U0959655B
Audi Q3 8U Air Module Control Unit SRS System ECU 8U0959655B
Product currently unavailable
Part no. 3AA907801H
Audi Q3 8U Parking Brake Handbrake Module Control Unit 3AA907801H
Product currently unavailable
Part no. 8X0907063N
Audi Q3 8U A1 8X BCM Body Control Unit Module ECU 8X0907063N
Product currently unavailable
Part no. 8U0035193CX
Audi Q3 8U Head Unit Navigation Multimedia Control Unit 8U0035193CX
Product currently unavailable
Part no. 5Q0915181J
Audi Q2 GA Negative Terminal HV Battery Cable Lead Ground Clamp 5Q0915181J
Product currently unavailable
Part no. 02M911022F
Audi Q2 GA 35 TFSI DXDB Petrol Starter Motor Manual 02M911022F
Product currently unavailable
Part no. 81A035043
Audi Q2 GA Head Unit Navigation Multimedia Control Unit MMI 81A035043
Product currently unavailable
Part no. 5QA919294L
Audi Q2 GA Park Parking Assist PDC Distance Control Unit Module 5QA919294L
Product currently unavailable
Part no. 5H0907383D
Audi Q2 GA Towing Hitch Trailer Hook Module Control Unit 5H0907383D
Product currently unavailable
Part no. 4N0035502B
Audi Q2 GA Wireless Charger Centre Console Phone Charging Module Unit 4N0035502B
Product currently unavailable
Part no. 81A035382
Audi Q2 GA Rear Centre Loudspeaker Subwoofer 81A035382
Product currently unavailable
Part no. 059903015P
Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P
Product currently unavailable
Part no. 8R2035666L
Audi A5 8T Harman Multimedia Sat Navi Radio CD Player Head Unit 8R2035666L
Product currently unavailable
Part no. 04L906021BG
Audi A5 8T 2.0 TDI CNHA 190HP Engine Control Unit ECU 04L906021BG Automatic
Product currently unavailable
Part no. 4G0035061S
Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061S
Product currently unavailable
Part no. 8K0907357B
Audi A4 B8 Headlight Range Module Control Unit ECU 8K0907357B
Product currently unavailable
Part no. 8T0035223S
Audi A5 8T Audio Amplifier Sound Booster Control Unit Module Unit 8T0035223S
Product currently unavailable
Part no. 8K0915181B
Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181B
Product currently unavailable
Part no. 02M911024P
Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
Product currently unavailable
Part no. 8P3035382E
Audi A3 8P Boot Trunk Subwoofer Rear Bass Speaker 8P3035382E
Product currently unavailable
Part no. 8P0971085A
Audi A3 8P Rear Bumper PDC Parking Sensor Wiring Harness Loom 8P0971085A
Product currently unavailable
Part no. 03L906022FD-1
Audi A3 8P 2.0 TDI 170HP CBBB Engine ECU Unit Kit 03L906022FD Key + Ignition
Product currently unavailable
Part no. 8P0953549F
Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549F
Product currently unavailable
Part no. 8P0907279F
Audi A3 8P Fusebox Body Control Comfort Module BCM Unit ECU 8P0907279F
Product currently unavailable
Part no. 03C903023S
Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
Product currently unavailable
Part no. 8K0907637D
Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637D
Product currently unavailable
Part no. 8R0919604
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604
Product currently unavailable
Part no. 8T0035223AN
Audi S5 8T Amplifier Speaker Bang & Olufsen Control Module Unit 8T0035223AN
Product currently unavailable
Part no. 8U0959107
Audi Q3 8U Boot Tailgate Control module Unit 8U0959107
Product currently unavailable
Part no. 8U1035192A
Audi Q3 8U Sat Navi Stereo Radio Audio Head Unit CD Player 8U1035192A
Product currently unavailable
Part no. 8U0959655D
Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
Product currently unavailable
Part no. 8P0035186G
Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
Product currently unavailable
Part no. 8P0919283D
Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU 8P0919283D
Product currently unavailable
Part no. 8P0959433F
Audi A3 8P CCM Covenience Control Module Unit Relay Board ECU HELLA 8P0959433F
Product currently unavailable
Part no. 8K0959651
Audi A5 8T A4 B8 Crash Impact Sensor Control Unit 8K0959651
Product currently unavailable
Part no. 8E0057186DX
Audi A4 B7 Radio Player Head Unit CD Stereo Concert 8E0057186DX
Product currently unavailable
Part no. 4F0907637
Audi A4 B7 Electronic Yaw Rate Sensor Module 4F0907637
Product currently unavailable
Part no. 8E5035223
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman 8E5035223
Product currently unavailable
Part no. 06D911023
Audi A4 7B 2.0 TFSi D6G519 Engine Starter Motor 06D911023
Product currently unavailable
Part no. 8E5035225D
Audi A4 B7 Window Antenna Amplifier Module 8E5035225D
Product currently unavailable
Part no. 8E0910115H-1
Audi A4 B7 2.0 TFSI BGB Quattro 200HP Engine ECU Kit Ignition 8E0910115H + Keys
Product currently unavailable
Part no. 8E0907279J
Audi A4 B7 Body Comfort Control Body Power Supply Module Unit BCM ECU 8E0907279J
Product currently unavailable
Part no. 057911023E
Audi Q7 4L 4.2 TDI Quattro Engine Starter Motor Actuator 057911023E
Product currently unavailable
Part no. 4L0910223H
Audi Q7 4L Audio Amplifier Sound System Unit Module ECU 4L0910223H
Product currently unavailable
Part no. 4E0035785B
Audi Q7 4L S8 D3 Interface Control Unit Module 4E0035785B
Product currently unavailable
Part no. 4L0910553B
Audi Q7 4L Air Suspension Control Module ECU 4L0910553B
Product currently unavailable
Part no. 4L0910401T
Audi Q7 4L 3.0 TDI BUG 233HP Engine Contol Unit ECU 4L0910401T Automatic
Product currently unavailable
Part no. 4L0910655D
Audi Q7 4L Air Module ECU Sensor Control Unit 4L0910655D
Product currently unavailable
Part no. 4G0907397Q
Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q
Product currently unavailable
Part no. 0AM911024A
Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A
Product currently unavailable
Part no. 8X0919884E
Audi Q3 8U A1 8X SD Card Map Pilot Navigation Europe 2013 8X0919884E
Product currently unavailable
Part no. 03L903023A
Audi A3 8P Alternator Generator Diesel Engine Electrical Unit 03L903023A
Product currently unavailable
Part no. 8K0955557B
Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B
Product currently unavailable
Part no. 8T0959760
Audi A5 8T Seat Module Control Unit ECU Front Left Right N/O/S 8T0959760
Product currently unavailable
Part no. 8K0953568B
Audi A5 8T Wiper Switch Stalk Steering Column Wheel 8K0953502C
Product currently unavailable
Part no. 8K0919475
Audi A5 8T Parktronic Parking Sensor Module Unit ECU 8K0919475
Product currently unavailable
Part no. 8K0907357
Audi A5 8T Headlight Headlamp Module Control Unit 8K0907357
Product currently unavailable
Part no. 8K0907064CQ
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
Product currently unavailable
Part no. 8T2035195
Audi A4 B8 Head Unit Radio CD Player Symphony Stereo Audio Player 8T2035195
Product currently unavailable
Part no. 8T0919603A
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
Product currently unavailable
Part no. 8T0035223
Audi A5 8T Audio Amplifier Sound Booster Control Unit Module 8T0035223
Product currently unavailable
Part no. 8K0907801C
Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
Product currently unavailable
Part no. 04L907282
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
Product currently unavailable
Part no. 5Q0937084AA
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
Product currently unavailable
Part no. 5Q0907521D
Audi A3 8V Heater Blower Motor Fan Resistor 5Q0907521D
Product currently unavailable
Part no. 5Q0906121G
Audi A3 8V 1.6 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121G
Product currently unavailable
Part no. 5Q0907530M
Audi A3 8V Gateway Module Control ECU Unit 5Q0907530M
Product currently unavailable
Part no. 8V0035874B
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874B
Product currently unavailable
Part no. 8V0857273H
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273H
Product currently unavailable
Part no. 04L907309B-1
Audi A3 8V 1.6 TDI CLHA 105HP Engine Unit ECU Kit 04L907309B Key Ignition
Product currently unavailable
Part no. 03G906056S-1
Audi A3 8P 1.9 TDI BLS 105HP Engine Control Unit ECU Kit 03G906056S Key Ignition
Product currently unavailable
Part no. 8J0971030AE
Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
Product currently unavailable
Part no. 8J0971029AE
Audi TT 8J Driver's Side Door Wiring Harness Loom 8J0971029AD
Product currently unavailable
Part no. 4F0035411E
Audi TT 8J Speaker Loudspeaker Front Door Left Right N/O/S 4F0035411E
Product currently unavailable
Part no. 3C0906093C
Audi TT Mk2 8J Petrol Engine Fuel Pump Control Unit Module 3C0906093C
Product currently unavailable
Part no. 7N0907530AL
Audi TT 8J Gateway Control Unit Module 7N0907530AL
Product currently unavailable
Part no. 8X0959795D
Audi A1 8X Rear Door Module Left N/S Control Unit ECU 8X0959795D
Product currently unavailable
-5%
Part no. 7L0971225
Audi Q7 4L 4.2 TDI Quattro Positive HV Battery Terminal Cable Harness 7L0971225
Product currently unavailable
Part no. 4L0915181
Audi Q7 4L Power Supply Battery Control Module Unit 4L0915181
Product currently unavailable
Part no. 4E0941817
Audi A6 A8 Q7 CAN Bus Jumper Contact Bridge Connector 4E0941817
Product currently unavailable
Part no. 4L0910110A
Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
Product currently unavailable
Part no. 4E0035729A
Audi Q7 4L Bluetooth Module Multimedia Control Unit ECU 4E0035729A
Product currently unavailable
Part no. 4F0905852B
Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
Product currently unavailable
Part no. 7L0937503D
Audi Q7 4L Fuse Box Relay Control Unit Module 7L0937503D
Product currently unavailable
Part no. 4L0698007A
Audi Q7 4L Air Suspension Level Height Adjustment Compressor Pump 4L0698007A
Product currently unavailable
-5%
Part no. 8X0959793H
Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
Product currently unavailable
Part no. 4F0919283H
Audi Q7 4L Parking Control Unit ECU Module Sensor PDC 4F0919283H
Product currently unavailable
Part no. 4E0035541S
Audi Q7 4L Radio Multimedia Receiver Control Module Unit 4E0035541S
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 .