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. 03L906018GF-1
Volkswagen Scirocco Mk3 2.0 TDI 140HP CFHC Engine ECU Kit BCM 2 Key 03L906018GF
PLN 949.95
Free delivery: Mar 03
If paid before 14:00

Part no. 7E0971794A-1
Volkswagen Transporter T5 Positive Battery Cable Wire 2.0 TDi CAAA 7E0971794A
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 1K0035186AN
Volkswagen Caddy 2K Mk3 Radio Head Unit Media Player Unit 1K0035186AN
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

Part no. 5K0907115-1
Volkswagen Scirocco III 2.0 TSI CCZB 211HP Engine Control ECU 5K0907115 Manual
PLN 1,614.95
Free delivery: Mar 03
If paid before 14:00

Part no. 5Q0915181K
Volkswagen Golf Mk7 Negative Battery Terminal Cable Wiring Loom 5Q0915181K
PLN 75.95
Free delivery: Mar 03
If paid before 14:00

Part no. 1K0971250AN
Audi A3 8P Volkswagen Caddy MK3 Earth Ground Cable Battery Wiring 1K0971250AN
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 7P6035730D
Volkswagen Golf Mk6 Passat B7 Bluetooth Interface Control Module ECU 7P6035730D
PLN 284.95
Free delivery: Mar 03
If paid before 14:00

Part no. 1K8971104F
Volkswagen Scirocco Mk3 Rear PDC Parking Sensor Wiring Harness Loom 1K8971104F
PLN 151.95
Free delivery: Mar 03
If paid before 14:00

Part no. 2K6941005B-2
VW Volkswagen Caddy 2K Headlight Headlamp Wiring Front Left N/S 2K6941005B
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 1K0955559AH-1
Volkswagen Golf Mk5 Rain Sensor Front Windscreen Control Unit Module 1K0955559AH
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 5C6945095H-1
Volkswagen Jetta A6 Rear Left N/S Tail Light Plug Cable 5C6945095H 4D0972704
PLN 42.95
Delivery: Mar 03
If paid before 14:00

Part no. 7N0035454A
VW Volkswagen Sharan Front Door Left Right N/O/S Speaker Loudspeaker 7N0035454A
Product currently unavailable

Part no. 02M911024C
Volkswagen Tiguan 5N Engine Starter Motor 02M911024C
Product currently unavailable

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Part no. 3D0941329E
Volkswagen Golf Mk7 Headlight Cornering Module Control Unit 3D0941329E
Product currently unavailable

-15%
Part no. 03C903023S
Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
Product currently unavailable

Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
Product currently unavailable

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Part no. 038907281D
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
Product currently unavailable

Part no. 1K0971228M
Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
Product currently unavailable

Part no. 2H0911023F
Volkswagen Crafter 30-35 2E Amarok 2.0 TDI Engine Starter Motor 2H0911023F
Product currently unavailable

Part no. 02Z911023N
Volkswagen VW Golf VI Engine Starter Motor 1.6TDI 2.0 TDI Diesel 02Z911023N
Product currently unavailable

Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
Product currently unavailable

Part no. 03G903143A
VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A
Product currently unavailable

Part no. 1K0909605R
Volkswagen Golf Mk5 Seat Skoda Air Control Module Unit 1K0909605R
Product currently unavailable

Part no. 5H0963554
Volkswagen Golf Mk8 Rear Seat Bench Couch Occupancy Sensor Unit 5H0963554
Product currently unavailable

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Part no. 03L903024F
Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
Product currently unavailable

Part no. 1K0937124K
Volkswagen VW Golf 1K Mk5 Fuse Box Engine Compartment Relay Unit 1K0937124K
Product currently unavailable

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Part no. 070903327C
Volkswagen Touareg Transporter 2.5TDI Alternator Coupling Sleeve Belt 070903327C
Product currently unavailable

Part no. 6Q0909606G
VW Volkswagen New Beetle Cabrio Side Impact Crash Air Module Sensor 6Q0909606G
Product currently unavailable

Part no. 1K0937049N
Volkswagen Golf Mk5 Body Control Comfort Unit Module BCM 1K0937049N
Product currently unavailable

Part no. 7P6907357E
Seat Arona Headlight Head Lamp Range Control Unit Module ECU 7P6907357E
Product currently unavailable

Part no. 8P0959433
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433
Product currently unavailable

Part no. 1K0937085
VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
Product currently unavailable

Part no. 1K0959433BT
VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
Product currently unavailable

Part no. 39120-2A051
KIA CEED I 1.6 CRDI Diesel Engine Control Module ECU 39120-2A051 Manual
Product currently unavailable

Part no. 3C0971228K
Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
Product currently unavailable

Part no. 022911024K
Volkswagen VW Golf V 1.6 TDI Diesel Engine Starter Motor 022911024K
Product currently unavailable

Part no. 02Z911024H
Volkswagen Passat B7 Starter Motor Actuator TDI Diesel Engine 02Z911024H
Product currently unavailable

Part no. 1K0035186AF
Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit MP3 RCD 300 1K0035186AF
Product currently unavailable

Part no. 068911024G
Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
Product currently unavailable

Part no. 6Q0937517
VW Polo 9N Battery Terminal Fuse Distribution Cable Cover Power Board 6Q0937517
Product currently unavailable

Part no. 037906024BE
VW Golf 3 GTI 2.0 16V ABF 150KM Petrol Manual Engine Unit Module ECU 037906024BE
Product currently unavailable

Part no. 6Q0971235
Volkswagen VW Polo 9N Negative Battery Terminal Ground Cable Wiring 6Q0971235
Product currently unavailable

Part no. 02M911024
Starter Motor Volkswagen VW Golf VI Passat B6 Tiguan Diesel Engine 02M911024
Product currently unavailable

Part no. 0001123044
Volkswagen VW Golf VI Passat B6 2.0 TDI Diesel Engine Starter Motor 0001123044
Product currently unavailable

Part no. 038903143AG
VW Polo 9N MK4 Fabia II 1.4 TDI BMS Alternator Mount Support Bracket 038903143AG
Product currently unavailable

Part no. 045971803
Engine Wiring VW Polo 9N 1.4 TDI Injector Ignition Loom Harness Cable 045971803
Product currently unavailable

Part no. 1T0971120AC
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Passenger 1T0971120AC
Product currently unavailable

Part no. 1T0971693BM
Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
Product currently unavailable

Part no. 069911023MX
Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
Product currently unavailable

Part no. 6R0971349AH
VW Polo MK5 1.2 TDI CFWA Alternator Wiring Starter Motor Harness 6R0971349AH
Product currently unavailable

Part no. 2D0911253
VW Volkswagen LT 35 Glow Plug Module Relay Control Unit Black 2D0911253
Product currently unavailable

Part no. 076911023A
Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
Product currently unavailable

Part no. 7H0937617
Volkswagen Transporter T5 T30 Fuse And Relay Box Wiring Cable 7H0937617
Product currently unavailable

Part no. 3C0907521
Heater Resistor Volkswagen VW Touran 1T Blower Motor Fan Resistor 3C0907521
Product currently unavailable

Part no. 02Z911024K
VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K
Product currently unavailable

Part no. 3C8937049AC-1
Volkswagen Tiguan 5N Module BCM Body Control Unit Module ECU 3C0937049E
Product currently unavailable

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Part no. 5M0907357C
Volkswagen VW Tiguan 5N Headlight Range Control Unit Module ECU 5M0907357C
Product currently unavailable

Part no. 7N0907530AF
VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
Product currently unavailable

Part no. 5N0971228
VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
Product currently unavailable

Part no. 6R0937087P
Volkswagen Polo 6R Fuse Box Module Comfort BCM Body Control Unit ECU 6R0937087P
Product currently unavailable

Part no. 7N0907530S
VW Volkswagen Sharan 7N Gateway Control Unit Module ECU 7N0907530S
Product currently unavailable

Part no. 5K0937084H
Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
Product currently unavailable

Part no. 7N0906093
Fuel Pump Module VW Volkswagen Sharan 7N Fuel Sender Control Unit ECU 7N0906093
Product currently unavailable

Part no. 6R0971537F
VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6R0971537F
Product currently unavailable

Part no. 1H0953227
Audi Seat Volkswagen Polo 6N Turn Signal Hazard Light Relay 191 1H0953227
Product currently unavailable

Part no. 1J0035505A
Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
Product currently unavailable

Part no. 7H0907652
Volkswagen Touareg Yaw ESP Rate Sensor Module Unit Control ECU 7H0907652
Product currently unavailable

-40%
Part no. 3D0909139B
Volkswagen Touareg 7L Entry Module Keyless Go Control Unit ECU 3D0909139B
Product currently unavailable

Part no. 02T911023R
VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
Product currently unavailable

Part no. 5H4971162MP
Volkswagen Golf CD1 Front Door Right O/S Loom Wiring Cable Harness 5H4971162MP
Product currently unavailable

Part no. 04E907309AF
Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
Product currently unavailable

Part no. 5WA971244C
Audi A3 Q3 Volkswagen Golf 1.5 TSI Alternator Negative Cable Ground 5WA971244C
Product currently unavailable

Part no. 1T0880201T
Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T
Product currently unavailable

Part no. 1K0953549BK
Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
Product currently unavailable

Part no. 1K0909605T
VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
Product currently unavailable

Part no. 03G971826A
VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A
Product currently unavailable

Part no. 3AA919475N
Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N
Product currently unavailable

Part no. 3C8959760E
Volkswagen VW Passat B7 Driver's Seat Control Unit Module ECU 3C8959760E
Product currently unavailable

Part no. 5G6971829B
Volkswagen Golf CD1 Tailgate Trunk Lid Wiring Harness Rubber Cover 5G6971829B
Product currently unavailable

Part no. 059903015R
Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
Product currently unavailable

Part no. 028903028C
Volkswagen Golf Mk4 Alternator Generator BOSCH 14V 70A 028903028C
Product currently unavailable

Part no. 1K0971349EM
Volkswagen VW Touran 1T Alternator Main Cable Wiring Harness Loom 1K0971349EM
Product currently unavailable

Part no. 5WA971230CM
Battery Cable VW Golf 8 Audi A3 8Y Starter Alternator Wiring Harness 5WA971230CM
Product currently unavailable

Part no. 03G906021PD
VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
Product currently unavailable

Part no. 6Q0909605AL
Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
Product currently unavailable

Part no. 1K0971121CN
VW Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Left N/S 1K0971121CN
Product currently unavailable

Part no. 5G6919605B
VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B
Product currently unavailable

Part no. 5NA035284B
VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284B
Product currently unavailable

Part no. 5Q0937125B
Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B
Product currently unavailable

Part no. 02E911024B
Starter Motor VW Golf GTI Audi Seat Skoda Petrol CJX CHHA Bosch 1.1KW 02E911024B
Product currently unavailable

Part no. 03L903024M
Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M
Product currently unavailable

Part no. 3G0919605D
VW Volkswagen Golf Mk7 Multimedia MMI Sat Nav Radio Display Screen 3G0919605D
Product currently unavailable

-15%
Part no. 5Q0937084CL
Volkswagen Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084CL
Product currently unavailable

Part no. 02M911024N
Audi TT 8J Starter Motor Engine Diesel Valeo 02M911024N
Product currently unavailable

Part no. 7L6035177E
Volkswagen Touareg 7L Display Screen Multimedia Navigation Unit 7L6035177E
Product currently unavailable

Part no. 7L6937049AF
Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
Product currently unavailable

-15%
Part no. 03L903023F
Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
Product currently unavailable

Part no. 6C0971349MD
Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
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 .