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. 4H0951253A-2
Seat Skoda Audi VW Polo 6R Multi Use Control Relay 4 Pin 645 4H0951253A SET X3
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 1K0971391ES
VW Golf Mk5 Seat Well Cable Front Left N/S Wiring Loom Harness 1K0971391ES
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 4H0951253C-1
Volkswagen Polo 6R Tiguan 1T Multi Use Control Module Relay SET 4H0951253C
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7L0959655
Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 1K0971349BP
Volkswagen Golf Mk6 Alternator Main Cable Wiring Harness Loom 1K0971349BP
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5N0971228
VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5G0919605
VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03E971612AC
VW Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 CGPA Petrol 03F971612
€94.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03C906027DA-1
VW Volkswagen Touran 1T 1.4 TSI CAVC Engine ECU Kit Ignition 03C906027DA + Keys
€237.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7N0959793J
VW Volkswagen Sharan 7N Driver's Side Door ECU Module Control Unit 7N0959793F
€42.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 3C0937125A
Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 1K0971349AQ
Volkswagen VW Golf Mk6 Alternator Cable Wiring Harness Loom 1K0971349AQ
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 06J903023D
Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5G0971104L
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104L
€28.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 02M911024C
Volkswagen Tiguan 5N Engine Starter Motor 02M911024C
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5Q0035570-1
Volkswagen Golf 5G Radio Antenna Noise Signal Disturbance Suppressor 5Q0035570
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7L0937503
Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7N0959794K
VW Sharan 7N Rear Door Module Control Unit Left N/S Passenger Side 7N0959794K
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 6R0971839A
VW Volkswagen Polo 6R 1.2 TSI Petrol Fuel Sender Pump Cover Panel 6R0971839A
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 141951253B-1
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5G0035222A
Volkswagen Golf Mk7 Media In Port Socket Connection Adapter 5G0035222A 5Q0035736
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 03C972619CG
VW Passat B7 Engine Wiring Loom Cable Harness Injector Module Petrol 03C972619CG
€104.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 5N0971349AT
Volkswagen Tiguan 5N Alternator Generator Wiring Harness Cable 5N0971349AT
€28.95
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 028903028E
Alternator Volkswagen Crafter 2.0 TDI Engine Alternator 120A Bosch 028903028E
Product currently unavailable
Part no. 02E911024CX
Volkswagen Sharan 7N Engine Starter Motor Lucas 02E911024CX
Product currently unavailable
Part no. 03L906018HJ-1
VW Volkswagen Sharan 7N 2.0 TDI 140HP CFFB Engine ECU Kit 03L906018HJ Key Lock
Product currently unavailable
Part no. 3C0907521
Heater Resistor Volkswagen VW Touran 1T Blower Motor Fan Resistor 3C0907521
Product currently unavailable
Part no. 7N0959792J
VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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. 1K0953549AF
VW TOURAN 1T Steering Angle Steering Wheel Column Control Module ECU 1K0953549AF
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. 03P906021A
Volkswagen Polo MK5 6R 1.2 TDI CFWA Engine Unit Module ECU 03P906021A
Product currently unavailable
Part no. 059911024J-1
Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
Product currently unavailable
Part no. 1T0971120AC
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Passenger 1T0971120AC
Product currently unavailable
Part no. 03C906024CN
VW Polo 6R 1.4 CGGB 85HP Engine Control Unit ECU Kit 03C906024CN Manual
Product currently unavailable
Part no. 1K0959433BT
VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
Product currently unavailable
Part no. 038903024F
VW Volkswagen New Beetle 1.9 TDI BSW Diesel Alternator Generator 038903024F
Product currently unavailable
Part no. 1K0907530AD
VW Volkswagen Golf 6 Gateway Control Unit Module ECU 1K0907530AD
Product currently unavailable
Part no. 1T0971121AC
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Driver 1T0971121AC
Product currently unavailable
Part no. 02M911023N
Volkswagen Touran Engine Starter Motor 02M911023N
Product currently unavailable
Part no. 1KO937125D
VW Volkswagen Caddy Maxi Fuse Box Control Unit Power Distribution 1KO937125D
Product currently unavailable
Part no. 3C8937049AC-1
Volkswagen Tiguan 5N Module BCM Body Control Unit Module ECU 3C0937049E
Product currently unavailable
Part no. 5M0909606A
VW Volkswagen Touran 1T Airbag Side Impact Crash Sensor Air Bag 5M0909606A
Product currently unavailable
Part no. 02Z911024K
VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K
Product currently unavailable
Part no. 3D0941329E
Volkswagen Golf Mk7 Headlight Cornering Module Control Unit 3D0941329E
Product currently unavailable
Part no. 02M911024A
Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
Product currently unavailable
Part no. 03L972619BA
Volkswagen Golf MK6 Parking Sensor Wiring Rear Bumper Loom Cable 03L972619BA
Product currently unavailable
Part no. 1K0953549BC
VW Volkswagen Golf 1K Steering Wheel Sensor Control Module Unit ECU 1K0953549BC
Product currently unavailable
Part no. 069911023MX
Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
Product currently unavailable
Part no. 1T0971693BM
Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
Product currently unavailable
Part no. 03L906022LF
VW Golf 6 2.0 TDI Diesel CBD Engine Control Unit ECU Manual 03L906022LF
Product currently unavailable
Part no. 1K0937085
VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
Product currently unavailable
Part no. 1C0909605P
Volkswagen Fox 5Z Air Module Control Unit ECU Module 1C0909605K
Product currently unavailable
Part no. 070906016BT-1
VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
Product currently unavailable
Part no. 6Q1937049B
VW Polo 9N Seat Body Control Comfort Unit Module BCM Convenience Unit 6Q1937049B
Product currently unavailable
Part no. 5Q0907530AC
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
Product currently unavailable
Part no. 059903015R
Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
Product currently unavailable
Part no. 5Q0959655D
Volkswagen Golf Mk7 Air Module Control Unit ECU 5Q0959655M
Product currently unavailable
Part no. 074906018BD
VW Volkswagen LT 35 BBF 95HP Engine Control Unit Module ECU 074906018BD Manual
Product currently unavailable
Part no. 2H0959655B
VW Volkswagen Caddy Maxi Interior SRS Air Module Unit Control Sensor 2H0959655B
Product currently unavailable
Part no. 1K0909605T
VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
Product currently unavailable
Part no. 02Z911021C
Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
Product currently unavailable
Part no. 1K0971228M
Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
Product currently unavailable
Part no. 6Q0937517
VW Polo 9N Battery Terminal Fuse Distribution Cable Cover Power Board 6Q0937517
Product currently unavailable
Part no. 4868429AD
Chrysler Voyager 2.8 CRD ENR Engine Alternator Generator 4868429AD
Product currently unavailable
Part no. 2D0911253
VW Volkswagen LT 35 Glow Plug Module Relay Control Unit Black 2D0911253
Product currently unavailable
Part no. 03G906018FC-1
Volkswagen Golf 5 1K 2.0 TDI BMN 170HP Engine ECU Kit 03G906018FC 2 Key Ignition
Product currently unavailable
Part no. 0AH911023A
VW Volkswagen Touran 1T 1.2 TFSI CBZB Starter Motor 0AH911023A
Product currently unavailable
Part no. 03L907425C
VW Passat Variant PA 1.6 TDI Diesel Blue Motion Engine Control ECU 03L907425C
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. 39120-2A051
KIA CEED I 1.6 CRDI Diesel Engine Control Module ECU 39120-2A051 Manual
Product currently unavailable
Part no. 7N0843639
Volkswagen Sharan 7N Sliding Door Locking Catch Plate Left N/S 7N0843639
Product currently unavailable
Part no. 5H4971162MP
Volkswagen Golf CD1 Front Door Right O/S Loom Wiring Cable Harness 5H4971162MP
Product currently unavailable
Part no. 30729826A
Volvo V70 2.4 D5244T4 Diesel Engine Control Module ECU 30729826A Automatic
Product currently unavailable
Part no. 1T0971557AJ
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ
Product currently unavailable
Part no. 2D0959800
Volkswagen LT 35 Door Module Central Locking System Module Unit 2D0959800
Product currently unavailable
Part no. 7L6937049AF
Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
Product currently unavailable
Part no. 7L6035191R
VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035191R
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. 5NA035284B
VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284B
Product currently unavailable
Part no. 3Q0907530L
VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L
Product currently unavailable
Part no. 5N0971228D
Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D
Product currently unavailable
Part no. 074145169F
Volkswagen Transporter LT 35 2.5 TDI Alternator Bracket Vw 074145169F
Product currently unavailable
Part no. 3c0937125
Volkswagen VW Passat B6 Fuse Box Relay Electrical Module Unit 3C0937125
Product currently unavailable
Part no. 022911024A
VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A
Product currently unavailable
Part no. 1K0953549CA
VW Golf 5 Steering Angle Steering Wheel Column Control Module 1K0953549CA
Product currently unavailable
Part no. 1K0909605R
Volkswagen Golf Mk5 Seat Skoda Air Control Module Unit 1K0909605R
Product currently unavailable
Part no. 09D927750FA
Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
Product currently unavailable
Part no. 03E971612AD
Volkswagen Polo 6R Engine Wiring Loom Harness 03E971612AD
Product currently unavailable
Part no. 03L903024M
Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M
Product currently unavailable
Part no. 3C0953549A
VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549A
Product currently unavailable
Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
Product currently unavailable
Part no. 028903028C
Volkswagen Golf Mk4 Alternator Generator BOSCH 14V 70A 028903028C
Product currently unavailable
Part no. 038907281D-1
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
Product currently unavailable
Part no. 1C0971235A
Volkswagen New Beetle Earth Ground Cable Negative Battery Lead Wiring 1C0971235A
Product currently unavailable
Part no. 04L907309B
Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
Product currently unavailable
Part no. 2K5971557
Volkswagen Caddy Maxi Front Door Right O/S Electrical Wiring Harness 2K5971557
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 .