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. 03G906016MH-1
Audi A6 C6 2.0 TDI BRE 140HP Diesel Engine Control ECU Kit 03G906016MH Manual
£142.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4G0907553F
Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8K0971035B
Audi A4 B8 Front Driver's Door Wiring Harness Loom Cable Right O/S 8K0971035B
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£56.95
£48.41
Free delivery: Mar 02
If paid before 14:00
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Part no. 3AA962243D
Audi A8 D4 Boot Trunk Lid Tailgate Lift Control Unit Module ECU 3AA962243D
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£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8K2907115S
Audi A4 B8 8K A5 8T 2.0 TFSI CDNB 180HP Engine Control ECU 8K2907115S Manual
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£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
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Part no. 4F0035541N
Audi A4 B8 Becker K-Box Radio Receiver Module Control Unit ECU 4F0035541N
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£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4S0907441B
Audi A8 D4 4H Rear View Reverse Parking Camera Module Control Unit 4S0907441B
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£75.95
£64.56
Free delivery: Mar 02
If paid before 14:00
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Part no. 4M0959593N
Audi Q7 4M Front Door Control Module Unit ECU Driver's Side 4M0959593N
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£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7P0915181B
Audi A1 8X Negative Battery Terminal Cable Wiring 7P0915181B
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£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8K5035225C
Audi A4 B8 Antenna Amplifier Diversity 8K5035225C
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£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 8K2907115L-1
Audi A4 B8 A5 8T 8K 2.0 TFSI CDNC 211HP Engine Control ECU Kit 8K2907115L Manual
£151.95
Free delivery: Mar 02
If paid before 14:00
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Part no. 4F1971687S
Audi A6 C6 Rear Door Wiring Left Right N/O/S Harness Loom Cable 4F1971687S
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£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. RHD-8K2971845B
Audi A4 B8 S5 8T Fuse Box Control Module Relay Box 8K2971845B
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£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 5WA959651A
Audi A3 8Y VW Golf Mk8 Front Air Module Crash Impact Sensor 5WA959651A
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£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 5Q0915181C
Audi A3 8V Negative Battery Cable Terminal Clamp Wire 5Q0915181C
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£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4G0907589C-1
Audi A7 4G 3.0 TDI CGQB 313HP Engine Module Unit ECU Kit 4G0907589C Automatic
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£284.95
£170.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 05L907309-2
Audi A4 B9 2.0 TDI DTNA 163HP Engine Control Unit ECU 05L907309 Automatic
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£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
Part no. 4G5971687BQ
Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left N/S 4G5971687BQ
£23.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8V0035736
Audi A3 8V Music Interface Multimedia Connection Module 8V0035736
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4E0941817A
Audi RS4 B8 Front Door Wiring Harness Loom Plug Socket 4E0941817A
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£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8U0907468BA
Audi Q3 8U Gateway Control Module Unit ECU 8U0907468AQ
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£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4F1971030AF
Audi A6 C6 Front Passenger Door Wiring Left N/S Harness Loom Cable 4F1971030AD
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4L0959655C
Audi Q7 4L Air Module Control Unit ECU Impact Sensor 4L0959655C
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£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8V0937548
Audi A3 S3 RS3 8V Bettery Terminal Fuse Unit 8V0937548
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8K0907401C
Audi A5 8T 3.0 TDI CCWA Quattro 240HP Engine Control ECU 8K0907401C Manual
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£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4F1971036F
Audi A6 C6 Front Passenger Door Wiring Left N/S Harness Loom Cable 4F1971036E
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4F0971687A
Audi A6 C6 Door Window Motor Wiring Cable Loom Front Right O/S 4F0971687A
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4H0907355D
Audi A7 4G A8L 4H Ad Blue Control Module Unit ECU 4H0907355D
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
Part no. 4F1971035C
Audi A6 C6 Front Door Wiring Harness Loom Cable Right O/S 4F1971035C
£13.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8T0907468AB
Audi A4 B8 2.0 TDI CAGA Gateway Interface Control Module Unit ECU 8T0907468H
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8S0907468A
Audi TT FV Gateway Control Module Unit ECU 8S0907468A
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4E0907279A
Audi Q7 4L Body Control Comfort Unit Module BCM Convenience Unit ECU 4E0907279A
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
Part no. 8K0971029AQ
Audi A4 S4 B8 Door Wiring Harness Loom Cable Front Right O/S 8K0971029AQ
£51.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8P0959655J
Audi A3 E 104 T Air Module ECU Sensor Control Unit 8P0959655J
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8X0035225J
Audi A1 8X Antenna Booster Amplifier Upper Rear Right O/S 8X0035225J
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8K0959792D
AUDI S5 8T Door Control Module ECU Front Left N/S 8K0959792D
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 8U0955559B
Audi A5 8T Windscreen Rain Sensor Control Unit 8U0955559B
Product currently unavailable
Part no. 8T0035415B
Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
Product currently unavailable
-15%
Part no. 8K0907801N
Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
Product currently unavailable
Part no. 8P0953549F
Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549F
Product currently unavailable
Part no. 5Q0959593B
Audi A3 8V Door Module Control Unit Front Driver Side 5Q0959593B
Product currently unavailable
Part no. 1K0937125D
Audi A3 8P Engine Bay Fuse Box 1K0937125D
Product currently unavailable
Part no. 5Q0959655N
Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655N
Product currently unavailable
Part no. 8T1035223A
Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
Product currently unavailable
-15%
Part no. 4F0035411E
Audi TT 8J Speaker Loudspeaker Front Door Left Right N/O/S 4F0035411E
Product currently unavailable
Part no. 1K0906093F
Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
Product currently unavailable
-15%
Part no. 8R0919604A
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
Product currently unavailable
Part no. 8E0907279N
Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
Product currently unavailable
Part no. 4G0035061N
Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
Product currently unavailable
Part no. 8P0959433J
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
Product currently unavailable
-5%
Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
Product currently unavailable
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Part no. 8K0915181E
AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
Product currently unavailable
Part no. 8P0959802K
Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802K
Product currently unavailable
Part no. 7N0907530N
Audi A3 8P Volkswagen Tiguan 7N Gateway Module Central Control ECU 7N0907530N
Product currently unavailable
Part no. 5Q0959592E
Audi A3 8V Front Door Module Control Unit Module Right O/S ECU 5Q0959592E
Product currently unavailable
-5%
Part no. 8P0907279N
Audi A3 8P BCM Body Control Module Unit ECU 8P0907279N
Product currently unavailable
Part no. rhd-4F2919611H
Audi A6 C6 Head Unit Media Player Controller Knob Switch Panel 4F2919611H
Product currently unavailable
-40%
Part no. 8J0035223D
Audi TT 8J Audio Amplifier Radio Sound BOSE Unit 8J0035223D
Product currently unavailable
Part no. rhd-8K0959655J
Audi A4 B8 Air Module Control Unit ECU Crash Control 8K0959655J
Product currently unavailable
Part no. 4L0959651
Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
Product currently unavailable
Part no. 8P0907063G
Audi A3 8P Body Control Module Unit 8P0907063G
Product currently unavailable
Part no. 4E0907282A
VW Volkswagen Audi Glow Plug Relay Unit Bosch 11 Pins 4E0907282A 0281003029
Product currently unavailable
Part no. 5Q0915181J
Audi Q2 GA Negative Terminal HV Battery Cable Lead Ground Clamp 5Q0915181J
Product currently unavailable
Part no. 8P0907279K
Audi A3 8P BCM Body Control Module Unit ECU 8P0907279K
Product currently unavailable
-15%
Part no. 8K0907063D
Audi A4 B8 A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063D
Product currently unavailable
Part no. 8K0919475R
Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
Product currently unavailable
-15%
Part no. 8W5035035B
Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
Product currently unavailable
Part no. 8P0907063N
Audi A3 8P Body Control Comfort Unit Module BCM Unit ECU 8P0907063N
Product currently unavailable
Part no. 8P0035152C
Audi A3 8P Sat Navi Stereo Radio Audio MMI Head Unit CD Player Unit 8P0035152C
Product currently unavailable
-5%
Part no. 8K0907064GE
Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
Product currently unavailable
Part no. 4G0907397R
Audi S1 8X Front Lamp Headlight DRL Ballast Control Module Unit 4G0907397R
Product currently unavailable
-40%
Part no. 8K0907064DP
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
Product currently unavailable
Part no. 03L906018AB
Audi A3 8P CFFB 2.0 TDI 140HP Diesel Engine Control Unit ECU 03L906018AB Manual
Product currently unavailable
Part no. 8T0919603A
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
Product currently unavailable
-5%
Part no. 4G8959795G
Audi A6 C7 Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795G
Product currently unavailable
Part no. 8W0035708
Audi A4 B9 8W Q5 FY Audio External Connector AUX USB Port 8W0035708
Product currently unavailable
Part no. 8K0907801D
Audi A4 B8 Parking Brake Handbrake Module Control Unit 8K0907801D
Product currently unavailable
Part no. 8T1035223
Audi A5 8T Speaker Amplifier AMP Audio Control Unit Bang & Olufsen 8T1035223
Product currently unavailable
Part no. 8K0907064C
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064C
Product currently unavailable
Part no. 4L0907553E
Audi Q7 4L Air Suspension Adjustment Module Control Unit 4L0907553E
Product currently unavailable
Part no. 1K0937125D-1
Audi A3 8P Volkswagen Touran Mk1 Skoda Yeti Engine Fuse Box 2.0 TDI 1K0937125D
Product currently unavailable
Part no. 1K0907530AA
Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
Product currently unavailable
-15%
Part no. 8P0919475G
Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G
Product currently unavailable
Part no. 8U0857273E
Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
Product currently unavailable
Part no. 8U0907468AC
Audi A1 8X Q3 8U Central Gateway Control Unit Module Relay ECU 8U0907468AC
Product currently unavailable
Part no. 8T0035223AN
Audi S5 8T Amplifier Speaker Bang & Olufsen Control Module Unit 8T0035223AN
Product currently unavailable
Part no. 8J0035193D
Audi TT 8J Centre Console Multimedia Navigation Control CD Player 8J0035193D
Product currently unavailable
-5%
Part no. 8K0959754H
Audi A5 8T Remote Button Smart Key Fob Unit 8K0959754H
Product currently unavailable
Part no. 03G906056S
Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual
Product currently unavailable
Part no. 4H0907063CF
Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
Product currently unavailable
Part no. 8E0919283D
Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
Product currently unavailable
Part no. 4H0907801F
Audi A6 C7 Parking Brake Handbrake Module Control Unit 4H0907801F
Product currently unavailable
Part no. 4K0959663
Voltage Converter Audi A4 B9 A6 C8 Stabilizer Control Module Unit ECU 4K0959663
Product currently unavailable
-5%
Part no. 1K0907530L
Audi TT 8J Volkswagen Golf Mk5 Gateway Control Unit Module ECU 1K0907530L
Product currently unavailable
Part no. 03G911023
Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
Product currently unavailable
Part no. 8P0907530C
Audi A3 8P Control Unit Gateway Module ECU 8P0907530C
Product currently unavailable
Part no. 8P4035223D
Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D
Product currently unavailable
Part no. 038907281B-1
Audi A6 C6 Glow Plug Relay Unit Control Module Bosch 2.0 TDI 038907281B
Product currently unavailable
Part no. 5Q0937084AS
Body Control Audi A3 RS3 8V Body Control Comfort Unit Module ECU 5Q0937084AS
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 .