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. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
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PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
-5%
Part no. 8U0907468AC
Audi A1 8X Q3 8U Central Gateway Control Unit Module Relay ECU 8U0907468AC
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PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
Part no. 06E971627N
Audi A4 B8 A6 C7 A7 C7 4G Fuel Injector Wiring Cable 3.0 TFSI 06E971627N
PLN 42.95
Delivery: Mar 03
If paid before 14:00
-40%
Part no. 03L906018JR-1
Audi A4 B8 2.0 TDI CJCB Engine Control Unit Module ECU Kit 03L906018JR Manual
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PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00
Part no. 4K5035225D
Audi A6 C8 Aerial Antenna Amplifier Control Unit Module 4K5035225D
PLN 113.95
Free delivery: Mar 03
If paid before 14:00
Part no. 06M907309D-4
Audi S5 F5 3.0 TFSI 354HP CWGD Quattro Engine ECU Kit BCM + 2 Key 06M907309D
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00
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Part no. 8P4963553A
Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553A
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PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00
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Part no. 8P0035535
Audi A4 B7 Amplifier Bracket Aerial Antenna Module Mount Holder 8P0035535
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PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00
Part no. 5QA919283E
Audi A3 8V Park Parking Assist PDC Distance Control Unit Module 5QA919283E
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
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Part no. 8W0959593H
Audi A4 S4 B9 Front Door Control Module Unit Driver's Side 8W0959593H
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PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
Part no. 4E0919604A
Audi A8 S8 D3 Display Monitor Screen Sat Nav Multimedia Control Unit 4E0919604A
PLN 474.95
Free delivery: Mar 03
If paid before 14:00
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Part no. 8S0915181A
Audi TT FV HV Battery Negative Terminal Cable Harness Loom Wiring 8S0915181A
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PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00
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Part no. 8K590735700
Audi A5 8T Front Lamp Xenon Headlight Range Control Module 8K590735700
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PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
Part no. 8T0959793K
Audi A4 B8 A5 8T Door Control Unit Module Front Driver's Side 8T0959793K
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 8Y0971036E
Audi A3 8Y Front Door Card Wiring Harness Loom Cable Passenger Side 8Y0971036E
PLN 189.95
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8K9035382B-1
Audi RS4 B8 Boot Trunk Speaker Spare Wheel Holder Audio Kicker 8K9035382B
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PLN 332.95
PLN 199.77
Free delivery: Mar 3 – 4
If paid before 14:00
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Part no. 5Q0907530AH
Audi A3 S3 RS3 8V Gateway Control Module GW MQB Mid Unit ECU 5Q0907530AH
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PLN 70.95
PLN 67.40
Free delivery: Mar 03
If paid before 14:00
Part no. 8T0907468D
Audi A4 B8 A5 8T Gateway Diagnostic Interface Control Unit Module ECU 8T0907468R
PLN 94.95
Free delivery: Mar 03
If paid before 14:00
Part no. 4L1971073D
Audi Q7 4L Front Frame Air Module Wiring Harness Cable 4L1971073D
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 7L0864643B
Battery Cover Audi Q7 4L VW Touareg 7P Porsche Cayenne 9PA Top Cap 7L0864643B
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PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 4H0951223
Audi A6 C7 Single Horn Alarm Siren High Tone Control Unit Module 4H0951223
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PLN 123.95
PLN 117.75
Free delivery: Mar 03
If paid before 14:00
Part no. 7M0951253A-1
Audi VW Volkswagen Seat Relay Unit Module 4 Pins Set x2 7M0951253A
PLN 42.95
Delivery: Mar 03
If paid before 14:00
Part no. 8W0937530
Audi Q7 4M Fuse Box Module Holder Relay Box 8W0937530
PLN 42.95
Delivery: Mar 03
If paid before 14:00
-40%
Part no. 8R0907468AE
Audi A5 8T 2.0 TDI Gateway Control Module Unit ECU 8R0907468AE
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PLN 246.95
PLN 148.17
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 4M0959595N
Audi Q7 4M Rear Door Control Module Unit ECU Left Right N/O/S 4M0959595N
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PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00
-40%
Part no. 8Y0035042C
Audi S3 8Y Body Control Comfort Module ECU Unit Bluetooth 8Y0035042C
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PLN 4,749.95
PLN 2,849.97
Free delivery: Mar 03
If paid before 14:00
Part no. 06E971627T
Audi A6 C7 2.8 FSI CHVA Petrol Engine Wiring Loom Harness Cable 06E971627T
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
Part no. 4H0959591A
Audi A8 D4 4H Sunroof Wind Deflector Module Control Unit 4H0959591A
PLN 123.95
Free delivery: Mar 03
If paid before 14:00
-15%
Part no. 8K0971104T
Audi A4 S4 B8 Front Rear Bumper PDC Parking Sensor Wiring Loom 8K0971104T
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PLN 104.95
PLN 89.21
Free delivery: Mar 03
If paid before 14:00
Part no. 8K9035225L
Audi S4 B8 Antenna Amplifier Aerial Module Control Unit Left N/S 8K9035225L
PLN 61.95
Free delivery: Mar 03
If paid before 14:00
-5%
Part no. 1K0909606C
Crash Impact Sensor Volkswagen Golf Audi A4 Q7 A6 C6 Air Module Unit 1K0909606C
Product currently unavailable
Part no. 5Q0915181J
Audi Q2 GA Negative Terminal HV Battery Cable Lead Ground Clamp 5Q0915181J
Product currently unavailable
Part no. 4L0959651
Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
Product currently unavailable
Part no. 06H911021
Audi A4 B8 2.0 TFSI Petrol Engine Starter Motor 06H911021
Product currently unavailable
Part no. 8K0907801H
Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
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Part no. 8K0907063AC
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Part no. 1S0919275D-BLK
Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D
Product currently unavailable
Part no. 5Q1919275C-MYB
Audi Q7 4M Front PDC Parking Distance Sensor Mythical Black Metallic - Y9T
Product currently unavailable
Part no. 1K0937125D
Audi A3 8P Engine Bay Fuse Box 1K0937125D
Product currently unavailable
-5%
Part no. 4M0959651
Front Crash Impact Audi A4 B9 A5 F5 Air Module Sensor Unit 4M0959651
Product currently unavailable
Part no. 8K0959793R
Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8K0959793R
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Part no. 8T0035415B
Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
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Part no. 02M911024Q
Volkswagen Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024Q
Product currently unavailable
Part no. 4F0907279
Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
Product currently unavailable
Part no. 8K0959795C
Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
Product currently unavailable
-15%
Part no. 5M0907357G
Audi Q3 8U Headlight Range Control Unit Module ECU 5M0907357G
Product currently unavailable
-15%
Part no. 8W6971104A
Audi A5 F5 Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8W6971104A
Product currently unavailable
Part no. 1K0907530AA
Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
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. 03G911023
Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
Product currently unavailable
Part no. 7L0937503D
Audi Q7 4L Fuse Box Relay Control Unit Module 7L0937503D
Product currently unavailable
Part no. 4F0910289N
Comfort Module Audi A6 S6 RS6 C6 4F Convienience Unit ECU 4F0910289N
Product currently unavailable
Part no. 8K0959754H
Audi A5 8T Remote Button Smart Key Fob Unit 8K0959754H
Product currently unavailable
Part no. 06B903016AB-1
Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB
Product currently unavailable
-5%
Part no. 06F903023J
Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
Product currently unavailable
Part no. 3AA962243
Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
Product currently unavailable
Part no. 02E911024C
Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C
Product currently unavailable
Part no. 8W0941823F
Audi A4 B9 Power Distribution Fuse Box Battery 8W0941823F
Product currently unavailable
Part no. 8X0915459
Audi A1 8X Positive Battery Overload Protection 8X0915459
Product currently unavailable
Part no. 5Q0962131
Antenna Control Module Audi Q3 RSQ3 F3 Line Keyless Entry 5Q0962131
Product currently unavailable
Part no. 5WA919297B-DGR
Audi A3 8V Control Unit PDC Parking Sensor Daytona Grey - Z7S 5WA919297B
Product currently unavailable
Part no. 4F0906093G
Audi A4 B7 Fuel Pump Sender Control Relay Module Unit ECU 4F0906093G
Product currently unavailable
Part no. 4G0907397Q
Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q
Product currently unavailable
Part no. 8E0907279N
Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
Product currently unavailable
Part no. 4L0915181
Audi Q7 4L Power Supply Battery Control Module Unit 4L0915181
Product currently unavailable
Part no. 8R2907115-1
Audi Q5 8R 2.0 TFSI CNCD 224HP Engine Unit ECU Kit 8R2907115 Key Ignition Manual
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Part no. 0AM911024A
Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A
Product currently unavailable
-40%
Part no. 8T0919603C
Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
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Part no. 1K0907530K
Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530K
Product currently unavailable
Part no. 1K0937125C
Fuse Box Audi A3 8P Volkswagen Golf Mk5 Cover Trim Panel Housing 1K0937125C
Product currently unavailable
Part no. 079903015F
Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F
Product currently unavailable
Part no. 8K0959792H
Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
Product currently unavailable
-15%
Part no. 8T1035223A
Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
Product currently unavailable
Part no. 4F0907247
Audi A6 C6 Keyless KESSY Entry Amplifier Box Module Aerial Antenna 4F0907247
Product currently unavailable
Part no. 8V0857273N
Audi A3 8V Head Up Navigation Multimedia Screen Display Unit 8V0857273N
Product currently unavailable
Part no. 8U0959655D
Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
Product currently unavailable
Part no. 06A905409P
Audi A3 8P 1.6 MPI Ignition Wiring Loom Harness Set 06A905409P
Product currently unavailable
Part no. 03L911021C
Audi A4 B8 2.0 TDI CAGA Diesel Engine Starter Motor Bosch Unit 03L911021C
Product currently unavailable
Part no. 8K0907064GE
Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
Product currently unavailable
Part no. 8R0971104CC
Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104CC
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Part no. 8W0907428C
Audi A4 B9 Camera Control Module Unit ECU 8W0907428C
Product currently unavailable
-15%
Part no. 03L903023A
Audi A3 8P Alternator Generator Diesel Engine Electrical Unit 03L903023A
Product currently unavailable
-40%
Part no. 8K0971228AH
Audi A5 8T Positive Battery Lead Terminal Cable Wiring 2.0 TFSI 8K0971228AH
Product currently unavailable
Part no. 8T0919603A
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
Product currently unavailable
Part no. 5Q0919275B-AGR
Audi Q2 GA Front Parking Sensor Assist Control Module Arrow Grey Z7W 5Q0919275B
Product currently unavailable
Part no. 059911024
Audi A4 B7 A6 C6 Diesel Starter Motor 3.0 TDI 059911024
Product currently unavailable
Part no. 8K0959793M
Audi Q5 8R Front Door Module Control Unit ECU Driver's Side 8K0959793M
Product currently unavailable
-15%
Part no. 06H903016L
Audi A5 8T Engine Alternator Generator 14V 140A Bosch 2.0 TFSI 06H903016L
Product currently unavailable
Part no. 1K0971349GA
Volkswagen VW Golf Mk6 1.6 TDI Alternator Cable Wiring Harness Loom 1K0971349GA
Product currently unavailable
Part no. 3C0907503-1
Audi S7 4G8 Front Lamp Headlight Level Sensor 3C0907503
Product currently unavailable
Part no. 8V0857273P
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P
Product currently unavailable
Part no. 4L0919283B
Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
Product currently unavailable
Part no. 8X0919475AE
Audi A1 8X PDC Assistance Parking Distance Control Module Unit ECU 8X0919475AE
Product currently unavailable
-5%
Part no. 4F0910655Q
Audi A6 C6 4F Control Unit Air Module ECU Bosch 4F0959655G
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Part no. 8T0959760
Audi A5 8T Seat Module Control Unit ECU Front Left Right N/O/S 8T0959760
Product currently unavailable
Part no. 8N0959655D
Audi TT 8N Air Module Control Module Unit ECU 8N0959655D
Product currently unavailable
Part no. 4N0907064AP
Audi Q5 FY Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907064AP
Product currently unavailable
-40%
Part no. 4H0907064FB
Audi A8 D4 BCM Module Body Control Unit Convenience ECU 4H0907064FB
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 .