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. 8U1035192A
Audi Q3 8U Sat Navi Stereo Radio Audio Head Unit CD Player 8U1035192A
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Audi A4 B9 Camera Control Module Unit ECU 8W0907428C
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Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
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Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
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Audi A5 8T Headlight Range Headlamp Control Unit Module ECU 8K0907357A
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Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
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Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107N
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Audi A6 C6 Adaptive Suspension Software Module Control Unit ECU 4F0910553D
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Audi Q5 8R Air Module SRS System Control Sensor ECU Unit 8R0959655E
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Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
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Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
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Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Audi Q7 4L Air Suspension Adjustment Module Control Unit 4L0907553E
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Audi A5 8T 2.0 CNCD Petrol Starter Motor 06H911024B
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Audi A4 A5 Q7 Rear Bumper PDC Parking Sensor Ibis White - Y9C 420919275
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Audi A8 4E S8 D3 Adaptive Air Suspension Control Module 4E0910553L
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Audi A3 8P Battery Clamp Positive Plus Pole Cable Protection Panel 1K0971920
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Audi RS3 8V Front Windscreen Rain Light Solar Sensor Unit 8U0955559C
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Audi A4 B8 Avant 2.0 TDI Quattro Alternator Generator 03L903017
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Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
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Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
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Audi A5 8T Steering Wheel Air Module Driver's Side 8E0880201DH
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Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D
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Volkswagen Seat Skoda Audi Gateway Control Unit Module ECU 5Q0907530AF
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Audi Q7 4L Radio Multimedia Receiver Control Module Unit 4E0035541S
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Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB
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Part no. 4L0035223J
Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907064EC
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Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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Part no. 4M0035456A
Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
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Audi A4 Door Harness Loom Cable Wiring Front Left Right N/O/S 8E1971035DF
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Audi A3 8P Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655A
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Part no. 8P0907063N
Audi A3 8P Body Control Comfort Unit Module BCM Unit ECU 8P0907063N
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Audi Cable Adapter iPod Connection 4F0051510K
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Audi A4 7B 2.0 TFSi D6G519 Engine Starter Motor 06D911023
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Audi A6 A8 Q7 CAN Bus Jumper Contact Bridge Connector 4E0941817
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Audi A8 4E S8 D3 Battery Voltage Control Module 4E0910181C 4E0915181C
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Audi TT FV Navi SD GPS MMI Multimedia Head Unit Module 8S0035021B
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Part no. 4E0910888PX
Audi Q7 4L Navigation Sat Stereo Radio Audio Head Unit CD Player 4E0910888PX
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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
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Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
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Audi A8L 4H TV Tuner Digital Video Control Module 4G0919129C
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Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
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Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
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Oil Pump Control Audi Q7 4L Volkswagen Touareg 7P Module Unit ECU 7P0927601
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Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
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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. 8K0907063L
Audi A4 B8 A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063L
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Audi A3 8P 2.0 TDI 140HP Diesel Engine Control Unit ECU Module DSG 03G906016DT
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Audi A3 8V Gateway Diagnostics Interface Control Module 3Q0907530AC
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Part no. 4H0907063DH
Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH
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Part no. 06Q911024
Audi A4 B8 B9 A6 C8 Engine Starter Motor Denso 2.0 TFSI Petrol 06Q911024
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Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043E
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Audi A5 8T Front Door Control Module Right O/S Passenger Side 8T0959792Q
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Audi A6 C7 Front Lamp Headlight Control Module Unit ECU Controller 4H4907357E
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Audi A3 8P Starter Motor Engine Diesel Actuator Unit 02A911023 LRS00791
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Part no. 8V7959255
Audi A3 8V Cabrio Folding Top Roof ECU Module Control Unit 8V7959255
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Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
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Part no. 06D903016AB
Audi A4 B7 1.8 T BFB Petrol Engine Alternator Generator 06D903016AB
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Part no. 8XA035192C
Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C
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Part no. 059903016JX
Audi A5 8T 3.0 TDI CCWA Diesel Alternator 059903016J
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Part no. 4KE907468F
Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468F
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Part no. 8T0035223S
Audi A5 8T Audio Amplifier Sound Booster Control Unit Module Unit 8T0035223S
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Part no. 3AA962243
Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Part no. 8E5035223
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman 8E5035223
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Part no. 5Q0907530M
Audi A3 8V Gateway Module Control ECU Unit 5Q0907530M
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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. 4F0907801
Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801
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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 A4 B9 2.0 TFSI DEMA BCM Body Control Module Unit ECU 8W0907064EB
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AUDI Q5 8R Quattro 3.0 TDI Diesel CCWA CCWB Starter Motor 059911022
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Audi Q7 4L 3.0 TDI V6 Diesel Engine Cable Wiring Duct Channel Cover 059971341E
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Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
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Audi Q7 4L Positive Battery Terminal Cable 4L0971225D
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Audi RS3 8V Potential Power Distribution Junction Box Jump Point 1K0937517
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Audi A4 8K 2.0 TDI Diesel Engine Alternator Generator 04L903017E
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Audi A6 C6 CD DVD Navigation Sat Nav Head Unit 4F0035769B
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Audi A4 B8 2.0 TDI Alternator Mount Tensioner Pulley Bracket Support 03L903143K
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Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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Audi A1 8X Positive Battery Overload Protection 8X0915459
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Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530K
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Audi Q7 4L Door Control Module Unit ECU Rear Left Right N/O/S 8K0959795B
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Audi A4 S4 B7 Cabrio Air Module Control Unit ECU Impact Sensor 8H0959655E
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Audi Q7 4L 3.0 TDI BUG 233HP Engine Contol Unit ECU 4L0910401T Automatic
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Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
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Audi A4 B7 Cabriolet Roof Motor Wiring Harness Wiring Loom 8H0972387
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Part no. 7H0907655A
Audi TT 8J Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655A
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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. 8W0035502C
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502C
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Part no. 8V0907357A
Audi A3 8V Headlight Range Cornering Adjustment Control Module 8V0907357A
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Part no. 8K0959655B
Audi S5 8T Air Module Control Unit SRS System ECU 8K0959655B
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Part no. 4L0919283B
Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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Part no. 8K0907801L
Audi S5 8T Parking Electric Brake Handbrake Module Control Unit 8K0907801L
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Part no. 5WA035282
Audi Q2 GA Online Services Control Module ECU Control Unit 5WA035282
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Part no. 06M911022D
Audi Q7 4M Starter Motor Engine Diesel Valeo 06M911022D
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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 .