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. 06K907425J
Audi S3 8V 2.0 TFSI 300HP DNUE Quattro Engine Module ECU 06K907425J Automatic
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Audi TT 8N Radio Stereo Player Head Unit Chorus 4B0057186PX
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Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R
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Volkswagen Audi Skoda Windscreen Rain Sensor Control Unit 81A955559A
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Audi S5 8T Gateway Control Unit Module ECU 8T0907468P
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Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F
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Audi A8 D4 BCM Module Body Control Unit Convenience ECU 4H0907064FB
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Audi A5 8F Convertible Folding Roof Module Control Unit 8F0959255
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Audi Q2 GA Rear Centre Loudspeaker Subwoofer 81A035382
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Audi A3 8P Volkswagen Touran Mk1 Skoda Yeti Engine Fuse Box 2.0 TDI 1K0937125D
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Audi A3 8P Boot Trunk Subwoofer Rear Bass Speaker 8P3035382E
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Audi A4 B8 A5 8T Diesel 2.0 TDI Starter Motor Manual 03L911024
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Audi A4 B9 Camera Control Module Unit ECU 8W0907428C
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Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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Audi S7 4G8 Front Lamp Headlight Level Sensor 3C0907503
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Part no. 8J0907115N
Audi TT 8J 2.0 TFSI BWA 200HP Engine Control Module ECU Manual 8J0907115N
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Part no. 8E9035223D
Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
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Part no. 8W0907468C
Audi A4 B9 Body Gateway Module ECU Control Unit 8W0907468C
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Part no. 04L903017E
Audi A4 8K 2.0 TDI Diesel Engine Alternator Generator 04L903017E
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Part no. 06F903023FX
Audi A4 B6 B7 A1 8X 1.9 TDI 2.0 TDI Engine Alternator Generator 06F903023FX
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Audi A4 B8 A5 8T Radio Media Player Audio CD Head Unit Player Concert 8T2035186C
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Part no. 8XA959655
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655
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Part no. 4L0907290A
Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Audi Q7 4L Power Distribution Box Control Unit Plus Housing Cover 7L0937401B
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Audi S5 F5 Blind Spot Radar Distance Control Module Right O/S Master 4M0907566D
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Audi A5 S5 F5 Interior Door Panel Courtesy Light LED Wiring Harness 8W0947356E
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Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335B
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Part no. 03L906022JM-1
Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Kit 03L906022JM
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Part no. 03G906056S
Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual
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Part no. 80A971104A
Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 80A971104A
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Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365C
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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. 8S0915459A
Audi TT FV 2.0 TFSI CHHC HV Battery Power Central Distribution Point 8S0915459A
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Part no. 8J0907115-1
Audi TT 8J 2.0 TFSI BWA 200HP Engine Module Control Unit ECU Set 8J0907115
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Part no. 8P0907530B
Audi A3 8P Gateway Control Unit Module ECU 8P0907530B
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Part no. 4L0910655B
Audi Q7 4L ECU Air Module Control Unit Crash Impact Sensor 4L0910655B
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Audi TT FV A/C Air Condition Climate Control Module Unit ECU 8S0820043
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Audi A7 4G Front Camera Assistance Line Unit 4H0907217F
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Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
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Audi A4 B8 Headlight Range Module Control Unit ECU 8K0907357B
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Part no. 8E0907307D
Audi A4 B7 Servotronic Steering Control Unit Module 8E0907307D
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Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
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Part no. 8E0907279N
Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
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Audi A4 B9 Engine Starter Motor Actuator Starter 04L911021B
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Part no. 8P0907279P
Audi A3 8P Gateway Interface Onboard Supply Control Module Unit ECU 8P0907279P
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Part no. 0AM911024A
Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A
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Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J
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Part no. 8W2035043E
Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043E
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Part no. 4M0907594J
Audi Q5 FY Top Sunroof Opener Control Module Unit ECU 4M0907594J
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Part no. 4N0035502B
Audi Q2 GA Wireless Charger Centre Console Phone Charging Module Unit 4N0035502B
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Part no. 8T0959760C
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C
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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. 4F9035225H
Audi A6 C6 Antenna Amplifier Control Unit Module ECU 4F9035225H
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Part no. 8K0971228AH
Audi A5 8T Positive Battery Lead Terminal Cable Wiring 2.0 TFSI 8K0971228AH
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Audi A1 8X Positive Battery Overload Protection 8X0915459
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Part no. 02T911024JX
Audi A1 8X 1.2 TFSI CBZA Petrol Engine Starter Motor 02T911024JX
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Part no. 8P0035186AB
Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186AB
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Part no. 81A035035G
Audi Q2 GA Sat Nav Multimedia Control Unit Module SD SIM MIB2 HIGH 81A035035G
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Part no. 04C903023T
Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Part no. 8K0907063D
Audi A4 B8 A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063D
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Part no. 4L0907357
Audi Q7 4L Headlight Level Range Adjustment Module Control Unit 4L0907357
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Part no. 04L906021BG
Audi A5 8T 2.0 TDI CNHA 190HP Engine Control Unit ECU 04L906021BG Automatic
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Part no. 059903018E
Audi Q7 4L Diesel Alternator Generator Engine Electrical Unit 059903018E
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Part no. 05L903026B
Audi Q2 GA 3.0 TDI DTTC Diesel Engine Alternator Generator 05L903026B
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Part no. 02M911024P
Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
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Part no. 5H0907383D
Audi Q2 GA Towing Hitch Trailer Hook Module Control Unit 5H0907383D
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Part no. 02M911021S
Audi TT FV Starter Motor Engine Diesel 02M911021S
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Part no. 05L907309B-1
Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key
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Part no. 04E971612BD
Audi A1 8X 1.4 TFSI CZCA Engine Wiring Harness Loom Manual Gearbox 04E971612BD
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Part no. 4L0959793B
Audi Q7 4L Front Door Module Driver Right O/S Side Control Unit 4L0959793B
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Part no. 03G906016JD
Audi A4 B7 2.0 TDI Diesel Engine Control Unit ECU Module Manual 03G906016JD
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Audi TT Mk2 8J Petrol Engine Fuel Pump Control Unit Module 3C0906093C
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Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A
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Part no. 8K0907064EB
Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907064EB
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Part no. 8K0907063P
Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P
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Part no. 8K0907364A
AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU Kit 03C906016BG BCM + Key
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Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A
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Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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Audi S3 8Y 2.0 TFSI DNFF Petrol Engine Sound Noise Actuator 4H0907601E
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Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G
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Audi Q7 4L Navigation Sat Stereo Radio Audio Head Unit CD Player 4E0910888PX
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Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
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Part no. 06H911021D
Audi A4 B8 Petrol Engine Starter Motor Actuator 1.8 2.0 TFSI 06H911021D
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Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181
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Part no. 7E0907655A
Audi TT 8J ESP YAW Lateral Acceleration Sensor 7E0907655A
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Part no. 8P0959802F
Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802F
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Part no. 8R2035666L
Audi A5 8T Harman Multimedia Sat Navi Radio CD Player Head Unit 8R2035666L
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Part no. 8T0959760E
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760E
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Part no. 4G8959760
Audi A6 C7 Front Seat Control Module Unit Right O/S 4G8959760
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Part no. 8P0959801F
Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
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Part no. 06K907425B
Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C
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Part no. 4L0910401M-1
Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
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Part no. 8E0907307F
Audi A4 B8 Seat Exeo Servotronic Relay Control Unit 9 Pin 8E0907307F
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Part no. 8K0907064JJ
Audi RS4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064JJ
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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 .