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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Part no. 8W0907428C
Audi A4 B9 Camera Control Module Unit ECU 8W0907428C
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Audi TT FV LED Headlight Ballast Module Daytime Running Lights Unit 4G0907697H
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Audi Q7 4L Air Suspension Module Regulation Control Unit 4L0910553H
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454A
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Audi A4 B9 Tow Bar Trailer Towing Control Module Unit 4E0907383J
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Audi A4 B9 Communication Telematics Control Module Unit ECU 4KE035282H
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Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
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Audi A4 B9 Front Door Module Control Unit ECU Passenger Side 8W0959592N
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Audi A4 B8 B9 A6 C8 Engine Starter Motor Denso 2.0 TFSI Petrol 06Q911024
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Audi S3 8Y Diagnostic Interface Data Bus Gateway Control Unit 5QS907530A
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Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
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Audi A5 8T Gateway Control Module Unit ECU 8T0907468F
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Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035462
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Audi A1 S1 8X Fuse Relay Box Module Unit 6C0941824D
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Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B
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Part no. 8K0907289C
Audi A5 8T BCM Body Comfort Convenience Module Unit ECU 8K0907289C
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Audi A5 8T Sound System Audio Amplifier Amp Unit Bang & Olufsen 8T0035223M
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Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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Audi A5 8T 3.0 TDI CLAB Diesel Engine Starter Motor 059911021K
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Part no. 8K0907063AH
Audi A4 B8 Body Control Comfort Unit Module BCM ECU 8K0907063AH
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Part no. 8P4035223D
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D
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Audi A4 B8 Rear Door Card Harness Wiring Cable Loom Left Right N/O/S 8K0971693B
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Part no. 8E0959433CR
Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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Part no. 8E0035411B
Audi A4 B7 Door Speaker Tweeter Front Left Right N/O/S 8E0035411B
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Part no. 8W0959593E
Audi A4 B9 Front Door Control Module Unit Driver's Side 8W0959593E
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Part no. 8E0035192T
Audi A4 B7 Sat Navi Stereo Radio Audio Head Unit CD Player 8E0035192T
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Part no. 1K0907530L
Audi TT 8J Volkswagen Golf Mk5 Gateway Control Unit Module ECU 1K0907530L
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Audi Q5 FY 2.0 TFSI DAXB 252HP Quattro Engine ECU Kit Gateway + Key 06L907425C
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Part no. 8J0959433B
Audi TT 8J BCM Body Comfort Convenience Module Unit ECU 8J0959433B
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Part no. 8J0035223C
Audi TT 8J Audio Amplifier Premium Sound Booster Control Unit Bose 8J0035223C
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Part no. 8J0907115N-1
Audi TT Mk2 8J 2.0 TFSI BWA 200HP Engine ECU Kit Ignition + Key 8J0907115N
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Part no. 03L906022BQ-1
Audi A3 8P 2.0 TDI CBAB 140HP Engine ECU Kit Ignition + Key 03L906022BQ Manual
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Part no. 8P0862335K
Bluetooth Interface Audi TT 8J A3 8P Multimedia Steuergerät ECU 8P0862335K
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Part no. 8J0907274
Audi TT 8J Tyre Pressure Control Module Unit 8J0907274
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Part no. 8T0959792J
Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792J
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Part no. 8P0959433J
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
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Part no. 8E0054635D
Audi A3 8P TT 8J PDC Parking Distance Control Unit Module 8E0054635D
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Part no. 8P7959255
Audi A3 8P Convertible Roof Control Module ECU 8P7959255
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Part no. 8P7959655
Audi A3 8P Air Module SRS System Control Sensor ECU Unit 8P7959655
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Part no. 0AM911023G
Audi A3 8V Engine Starter Motor Actuator Starter 0AM911023G
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Part no. 4N0959651D
Audi Q5 FY Crash Impact Sensor Unit Module Left Right N/O/S 4N0959651D
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Part no. 80A915459
Audi Q5 FY Battery Positive Cable Clamp Control Module Terminal 80A915459
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Part no. 4N0907064AP
Audi Q5 FY Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907064AP
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Part no. 8W5035035B
Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Part no. 8W0907063CH
Audi A4 B9 Q5 FY Body Control Comfort Unit Module BCM Unit ECU 8W0907063CH
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Part no. 8W1959592
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8W1959592
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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Part no. 80A907217A
Audi Q5 FY Front Windscreen Windshield Lane Assist Camera 80A907217A
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Part no. 02E911024H
Volkswagen Seat Skoda Audi 2.0 TDI Diesel Engine Starter Motor Valeo 02E911024H
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Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637H
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Part no. 8X0919475N
Audi Q3 8U PDC Assistance Parking Distance Control Module Unit ECU 8X0919475N
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Part no. 059906627L
Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
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Part no. 059971341E
Audi Q7 4L 3.0 TDI V6 Diesel Engine Cable Wiring Duct Channel Cover 059971341E
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Part no. 8U0959107A
Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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Part no. 059903018K
Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K
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Part no. 8K0907364A
AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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Part no. 8K0959792H
Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
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Part no. 8K0959655B
Audi S5 8T Air Module Control Unit SRS System ECU 8K0959655B
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Part no. 8T0907468P
Audi S5 8T Gateway Control Unit Module ECU 8T0907468P
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Part no. 8K0907063C
Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
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Part no. 8H0919475N
AUDI A7 4G8 Parking Assist Sensors Distance Control Module 4H0919475N
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Part no. 4G8959107N
Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107N
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Part no. 4G0907468G
Audi A7 4G8 Central Gateway Control Lear Module Unit ECU 4G0907468G
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Part no. 4H0907064GB
Audi A7 4G8 Body Comfort Control Module Unit BCM V2 4H0907064GB
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Part no. 8P0907063R
Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R
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Part no. 4L1937503
Audi Q7 4L Fuse Relay Box Module Electrical Control Unit 4L1937503
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Part no. 4L0035223J
Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Part no. 4L0910553L
Audi Q7 4L Body Comfort Control BCM Onboard Supply Module Unit ECU 4L0910553L
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Part no. 4H0906093D
Fuel Pump Audi A8 D4 Q7 4L Diesel Control Unit Module 4H0906093D
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Part no. 4F0907279D
Audi Q7 4L Comfort Control Module Unit ECU 4F0907279D
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Part no. 059911024K
Starter Motor AUDI Q7 4L VW Touareg MK2 3.0 TDI Diesel Starter 059911024K
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Part no. 4F0907468R
AUDI Q7 4L Quattro 3.0 TDI BUS Diagnostic Gateway Interface Module 4F0907468R
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Part no. 7P0927601
Oil Pump Control Audi Q7 4L Volkswagen Touareg 7P Module Unit ECU 7P0927601
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Part no. 4L2910401B-1
Audi Q7 4L 3.0 TDI CRCA Quattro Engine ECU Kit Lock + Ignition + Key 4L2910401B
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Part no. 4F0959793T
Audi Q7 4L Door Module Front Driver's Side Control Unit ECU 4F0959793T
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Part no. 4L0919475A
BCM Module Audi Q7 4L A6 C7 A8 4H Body Control Unit ECU 4L0919475A
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Part no. 5Q0959595L
Audi A3 8Y Rear Door Control Module Unit ECU Driver's Side Right O/S 5Q0959595L
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Part no. 8K0907801L
Audi S5 8T Parking Electric Brake Handbrake Module Control Unit 8K0907801L
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Part no. 8K0907064GE
Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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Part no. 4H0907601E
Audi S3 8Y 2.0 TFSI DNFF Petrol Engine Sound Noise Actuator 4H0907601E
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Part no. 02E911022C
Audi A3 8V 2.0 TDI DFGA Diesel Starter Motor 02E911022C
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Part no. 03L906018CN
Audi Q3 8U 2.0 TDI 140HP CFFB Quattro Engine Control Unit ECU 03L906018CN Manual
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Part no. 4F0035061D
Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D
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Part no. 8R0959655E
Audi Q5 8R Air Module SRS System Control Sensor ECU Unit 8R0959655E
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Part no. 8K0959792N
Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N
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Part no. 8W0035502B
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Part no. 4M1907468D
Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D
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Part no. 06L911021
Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021
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Part no. 4M0035456A
Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
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Part no. 3Q0906121B
Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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Part no. 06L907309A
Audi A4 B9 2.0 TFSI CVKB 190HP Engine Control Unit ECU 06L907309A Automatic
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Part no. 03F903023D
Audi A3 8V 2.0 TDI CRLB Diesel Alternator 03F903023D
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Part no. 04L907445G-1
Audi A3 8V 1.6 TDI DGTE 115 HP Engine ECU Kit Ignition + Key 04L907445G Manual
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Part no. 03L906022RM-1
Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
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Part no. 4M0907355B
Audi A4 B9 TDI Diesel Adblue Dosing Module Control Unit 4M0907355B
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Part no. 5Q0959655BT
Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655BT
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Part no. 4G0035061J
Audi A7 4G A4 B8 A6 C7 Q5 8R Sat Navi Stereo Radio Audio Unit Player 4G0035061J
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Part no. 04L907309L
Audi A4 B9 2.0 TDI DETA Quattro Engine Control Unit ECU 04L907309L Automatic
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Part no. 8X0035183F
Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183F
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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 .