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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VW Touareg 7P Steering Wheel Multifunction Control Unit Module 7P6959542
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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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Volkswagen New Beetle 1.9 TDI BSW Engine Starter Motor 02A911024D
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VW Volkswagen Touareg 7P Alternator Generator 14V 190A 3.0 TDI Diesel 059903023
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Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
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Volkswagen Golf Mk5 1K V 2.0 TFSI BWA 200HP Engine Unit ECU 1K0907115J Automatic
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VW Volkswagen Polo 1.2 TSI CBZB Engine Wiring Harness Cable Loom 03F971612
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VW Volskwagen Polo 6R Multimedia Electronic Control Interface Module 5N0035342F
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VW Volkswagen Sharan Front Door Left Right N/O/S Speaker Loudspeaker 7N0035454A
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Volkswagen Transporter T6 Power Distribution Unit Box With Bracket 7LA937548
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Volkswagen Polo 6R 1.4 TDI CR 75HP CUSA Engine ECU Kit 04B907445 Key BCM Manual
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VW Golf 6 2.0 TDI Diesel CBD Engine Control Unit ECU Manual 03L906022LF
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VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
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VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G
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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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VW Transporter T5 Engine Cooling Radiator Fan Control Unit Module 7H0919506D
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VW Volkswagen Golf Mk7 Battery Tray Holder Mounting Bracket Support 5Q0915321H
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VW Volkswagen Transporter T6 Battery Wiring Harness Cable 7LA971158A
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Volkswagen Transporter LT 35 2.5 TDI Alternator Bracket Vw 074145169F
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Volkswagen Transporter T5 Control Unit Air Module ECU 7E0959655B
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Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D
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Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
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Volkswagen VW Golf Mk6 1K Aux Socket Port Switch 5M0035724
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VW Volkswagen T-Roc A11 Multimedia Radio Navigation Head Unit 3G5035820D
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VW Volkswagen Polo 4 9N Radio CD Player Stereo Audio Head Unit 6Q0035152D
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Volkswagen Golf Mk7 Audi A3 8V Alternator 14V 140A 1.5 TSI 05E903026B
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Volkswagen Golf Mk5 2.0 TFSI Petrol Alternator Generator 06F903023HX
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VW Polo 9N Seat Body Control Comfort Unit Module BCM Convenience Unit 6Q1937049B
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Volkswagen New Beetle Convertible Roof Control Module Control Unit 1Y0959255C
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Volkswagen Caddy Maxi Front Door Right O/S Electrical Wiring Harness 2K5971557
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Volkswagen Transporter T5 T30 Fuse And Relay Box Wiring Cable 7H0937617
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Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J
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VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
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VW Golf Mk5 Seat Well Cable Front Left N/S Wiring Loom Harness 1K0971391ES
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Volkswagen Touareg 7L PDC Parking Sensor Control Unit Module 7L0919283C
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Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Volkswagen VW Golf Mk6 5K Air Module Control Unit ECU 5K0959655
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VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
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Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
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VW Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 CGPA Petrol 03F971612
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VW Polo 9N Battery Terminal Fuse Distribution Cable Cover Power Board 6Q0937517
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Volkswagen Passat B7 Central Gateway Control Unit Module Relay ECU 7N0907530AN
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VW Volkswagen Transporter T5 Magnetic Clutch Relay Unit Black 454 7E0919506
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Volkswagen VW Golf Mk6 Alternator Cable Wiring Harness Loom 1K0971349AQ
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Starter Motor Volkswagen VW Golf VI Passat B6 Tiguan Diesel Engine 02M911024
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Volkswagen Scirocco Mk3 Parking Light Front Left N/S Indicator 1K8953041E
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Volkswagen VW Golf V 1.6 TDI Diesel Engine Starter Motor 022911024K
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Volkswagen Passat B7 CAXA 122HP ECU Engine Control Unit Automatic 03C907309E
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VW Volkswagen Touran 1T Battery Wire Cable Negative Earth Lead 1K0971235
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Volkswagen VW Golf VI Passat B6 2.0 TDI Diesel Engine Starter Motor 0001123044
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Volkswagen VW Touran Door Harness Loom Cable Wiring Front Passenger 1T0971120AC
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Volkswagen Golf Mk7 5G Headlight Ballast Module Left Right N/O/S 7P5941572A
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VW Volkswagen LT 35 Glow Plug Module Relay Control Unit Black 2D0911253
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VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
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Volkswagen VW Golf Mk7 Front Radar Distance Control Unit Module 3QF907561A
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Volkswagen Touareg Yaw ESP Rate Sensor Module Unit Control ECU 7H0907652
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VW Volkswagen Polo 9N 1.4 TDI Alternator Bracket Mount Carrier 045903143E
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VW Volkswagen Golf 6 Gateway Control Unit Module ECU 1K0907530AD
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Volkswagen Golf VI Audi A3 8P Engine Starter Motor 1.6 TDI 0AM911023L
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Volkswagen VW Touran Door Harness Loom Cable Wiring Front Driver 1T0971121AC
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VW Seat Skoda Polo MK5 Diesel Engine Alternator Generator 140A 14V 03P903023D
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Volkswagen Touareg 7L Bluetooth Telephone Module Control Unit 7L6035730C
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Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
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VW Golf 3 GTI 2.0 16V ABF 150KM Petrol Manual Engine Unit Module ECU 037906024BE
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VW Volkswagen Polo 6R Negative Minus Earth Cable HV Battery Harness 6C0915181C
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Radio CD Player VW Volkswagen Caddy 2K Touran Head Unit 1K0057186AN
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VW Volkswagen LT 35 BBF 95HP Engine Control Unit Module ECU 074906018BD Manual
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Volkswagen Phaeton 3D Engine Alternator Generator 14V 190A 5.0 Diesel 07Z903021F
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Volkswagen Golf Mk7 Front Door Module ECU Control Unit Driver's Side 5Q0959593F
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Volkswagen Crafter 30-35 2E Amarok 2.0 TDI Engine Starter Motor 2H0911023F
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Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
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VW Golf Mk7 Wiring Loom PDC Front Parking Distance System Harness 5G0971095N
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VW Touareg 7P Handbrake Electric Parking Brake Control Module 7P0907801D
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Volkswagen Touareg 7L Control Comfort Unit Module Unit ECU 7L6959933
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VW Polo MK5 1.2 TDI CFWA Alternator Wiring Starter Motor Harness 6R0971349AH
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Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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VW Volkswagen LT 35 2.5 TDI AVR 109HP Engine ECU Kit 074906018BK Manual Gearbox
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Volkswagen Scirocco Mk3 PDC Parking Sensor Module Control Unit 1K0919475L
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Volkswagen Touran 1T 1.4 TSI CTHC 140HP Engine ECU 03C907309Q Automatic
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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 .