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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 6Q0035152D
VW Volkswagen Polo 4 9N Radio CD Player Stereo Audio Head Unit 6Q0035152D
Product currently unavailable
Part no. 3QF907561D
Volkswagen VW Golf Mk7 Front Radar Distance Control Unit Module 3QF907561D
Product currently unavailable
-5%
Part no. 038907281D
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
Product currently unavailable
Part no. 1K0959433AR
Volkswagen TOURAN 1T Body Control Comfort Unit Module BCM Unit ECU 1K0959433AR
Product currently unavailable
-40%
Part no. 03L906023PC
Volkswagen Caddy 1.6 TDI CAYD C20 102HP Engine Unit ECU Manual 03L906023PC
Product currently unavailable
Part no. 1K0907115
Volkswagen Golf V GTI 2.0 TFSI AXX 200HP Engine Control ECU Kit 1K0907115 Manual
Product currently unavailable
Part no. 2K0035279C
Volkswagen Tiguan 5N Sat Navi Stereo Radio Audio Head Unit CD Player 2K0035279C
Product currently unavailable
Part no. 7N0907530AF
VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
Product currently unavailable
Part no. 5N0959655AA
Volkswagen Tiguan 5N Air Module Crash Control Module Unit ECU 5N0959655A
Product currently unavailable
Part no. 038906019NN-1
Volkswagen VW New Beetle 1.9 TDI BSW Engine Unit ECU Kit 038906019NN Key Manual
Product currently unavailable
Part no. 1K0909605T
VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
Product currently unavailable
-40%
Part no. 3D0909139B
Volkswagen Touareg 7L Entry Module Keyless Go Control Unit ECU 3D0909139B
Product currently unavailable
Part no. 5K0959655
Volkswagen VW Golf Mk6 5K Air Module Control Unit ECU 5K0959655
Product currently unavailable
Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
Product currently unavailable
Part no. 5Q0803219C
Battery Clamp VW Golf 8 CD1 Audi A3 8Y Battery Base Bracket Holder 5Q0803219C
Product currently unavailable
Part no. 5Q0959655AA
VW Volkswagen Golf Mk7 Front Impact Crash Air Module Sensor 5Q0959655AA
Product currently unavailable
Part no. 6Q0909606G
VW Volkswagen New Beetle Cabrio Side Impact Crash Air Module Sensor 6Q0909606G
Product currently unavailable
Part no. 03G903143A
VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A
Product currently unavailable
-5%
Part no. 7L0959655
Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655
Product currently unavailable
Part no. 03G971826A
VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A
Product currently unavailable
Part no. 03L903023F-1
Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
Product currently unavailable
Part no. 7E0971794A
Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
Product currently unavailable
-40%
Part no. 03L903024F
Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
Product currently unavailable
Part no. 5Q0937084S
Volkswagen Golf Mk7 BCM Body Control Module Unit ECU 5Q0937084S
Product currently unavailable
Part no. 1K0035186AD
VW Volkswagen Golf 5 Radio CD Player Stereo Head Unit 1K0035186AD
Product currently unavailable
Part no. 5Q0937125B
Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B
Product currently unavailable
Part no. 6Q0971235
Volkswagen VW Polo 9N Negative Battery Terminal Ground Cable Wiring 6Q0971235
Product currently unavailable
Part no. 1K0907115F
Volkswagen Golf Mk5 1K GTI 2.0 TFSI BWA 200HP Engine ECU 1K0907115F Manual
Product currently unavailable
Part no. 2K0971557AG
Volkswagen VW Caddy Door Harness Loom Cable Wiring Front Left 2K0971557AG
Product currently unavailable
Part no. 1T0971557AJ
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ
Product currently unavailable
Part no. 5Q0955547B
VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
Product currently unavailable
Part no. 5WA035284F
VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
Product currently unavailable
Part no. 076911023A
Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
Product currently unavailable
Part no. 02Z911024L
VW Volkswagen Golf Mk7 1.6 TDI CLHA Diesel Engine Starter Motor 02Z911024L
Product currently unavailable
Part no. 1K0035507F
VW Golf V 5 1K Roof Top Antenne Control Unit Module 1K0035507F
Product currently unavailable
Part no. 04E903015A
Volkswagen Polo 6R Audi A1 8X Alternator Generator 14V 110A 04E903015A
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. 7H0971793B
Volkswagen Transporter T5 Minus Negative Battery Cable Wiring Mass 7H0971793B
Product currently unavailable
Part no. 5G0919605
VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
Product currently unavailable
Part no. 5Q0907530L
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
Product currently unavailable
Part no. 5G6919605B
VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B
Product currently unavailable
Part no. 04E903015
Volkswagen VW Golf Mk7 Audi A1 8X Alternator Generator 14V 110A 04E903015
Product currently unavailable
Part no. 7H0907652
Volkswagen Touareg Yaw ESP Rate Sensor Module Unit Control ECU 7H0907652
Product currently unavailable
Part no. 1K0057186AN
Radio CD Player VW Volkswagen Caddy 2K Touran Head Unit 1K0057186AN
Product currently unavailable
Part no. 1T0906093G
VW Volkswagen Touran 1T Golf Mk7 Fuel Pump Control Unit Module 1T0906093G
Product currently unavailable
Part no. 03P906021A
Volkswagen Polo MK5 6R 1.2 TDI CFWA Engine Unit Module ECU 03P906021A
Product currently unavailable
Part no. 1K2941824
VW Golf Mk5 Fuse Box Control Unit Relay Power Distribution Module 1K2941824
Product currently unavailable
Part no. 04B903023B
Volkswagen Polo Mk5 Alternator Generator 140A Diesel Engine 04B903023D
Product currently unavailable
Part no. 03E906023AL
Volkswagen Polo 6R 1.2 MPI CGPB 60HP Engine Control ECU 03E906023AL Manual
Product currently unavailable
Part no. 03P903023D
VW Seat Skoda Polo MK5 Diesel Engine Alternator Generator 140A 14V 03P903023D
Product currently unavailable
Part no. 1K0959433BT
VW Golf 5 Body Control Comfort Unit Module BCM Convenience Unit ECU 1K0959433BT
Product currently unavailable
Part no. 7N0907530AN
Volkswagen Passat B7 Central Gateway Control Unit Module Relay ECU 7N0907530AN
Product currently unavailable
Part no. 02E911024D
Volkswagen Golf Mk7 Audi A3 8V Engine Starter Motor Start Stop Denso 02E911024D
Product currently unavailable
Part no. VW9065400105
Volkswagen VW Crafter Battery Lead Positive Cable Plus Pole Wiring VW9065400105
Product currently unavailable
Part no. 3AA937087R
Volkswagen VW Passat B7 Module BCM Body Control Unit Module ECU 3AA937087R
Product currently unavailable
Part no. 4868429AD
Chrysler Voyager 2.8 CRD ENR Engine Alternator Generator 4868429AD
Product currently unavailable
Part no. 1K0907530AD
VW Volkswagen Golf 6 Gateway Control Unit Module ECU 1K0907530AD
Product currently unavailable
Part no. 5M0909606A
VW Volkswagen Touran 1T Airbag Side Impact Crash Sensor Air Bag 5M0909606A
Product currently unavailable
Part no. 02M911024S
VW Golf MK7 5G Audi A3 8V Engine Starter Motor Valeo 2.0 TDI Diesel 02M911024S
Product currently unavailable
Part no. 02A911024D
Volkswagen New Beetle 1.9 TDI BSW Engine Starter Motor 02A911024D
Product currently unavailable
Part no. 05E907309
Volkswagen Golf Sportsvan 1.5 TSI DADA 150HP Engine ECU Key + Lock 05E907309 DSG
Product currently unavailable
Part no. 03C907309E
Volkswagen Passat B7 CAXA 122HP ECU Engine Control Unit Automatic 03C907309E
Product currently unavailable
Part no. 059903015R
Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
Product currently unavailable
Part no. 7N0880742
Volkswagen Sharan 7N Head Air Module Roof Side Curtain Right O/S 7N0880742
Product currently unavailable
Part no. 7L0907401F-1
Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control Unit ECU Kit 7L0907401F Key
Product currently unavailable
Part no. 6R0971349AH
VW Polo MK5 1.2 TDI CFWA Alternator Wiring Starter Motor Harness 6R0971349AH
Product currently unavailable
Part no. 06J903023G-1
VW Volkswagen Polo Gti 6R Golf Mk7 Alternator Generator 14V 140A 6J903023G
Product currently unavailable
Part no. 09D927750EE
VW Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750EE
Product currently unavailable
Part no. 02Z911021C
Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
Product currently unavailable
-5%
Part no. 06F903023J
Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
Product currently unavailable
Part no. 03G972619KP
Volkswagen VW Touran 2.0 TDI BKD Engine Wiring Harness Loom Cable 03G972619KP
Product currently unavailable
Part no. 04E907309AF
Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
Product currently unavailable
Part no. 7L6971071B
VW Volkswagen Touareg 7L Headlight Headlamp Adapter Cable Wiring Loom 7L6971071B
Product currently unavailable
Part no. 7N0907530S
VW Volkswagen Sharan 7N Gateway Control Unit Module ECU 7N0907530S
Product currently unavailable
Part no. 6Q0909605AL
Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
Product currently unavailable
Part no. 5K0937087AD
Volkswagen Touran 1T Scirocco III BCM Body Control Module Unit ECU 5K0937087AD
Product currently unavailable
Part no. 059911024J-1
Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
Product currently unavailable
Part no. 5WA035284B-1
VW Volkswagen Tiguan Mk2 T-Roc A11 Online Connect Bluetooth Control 5WA035284B
Product currently unavailable
Part no. 5K0937084H
Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
Product currently unavailable
Part no. 7N0843639
Volkswagen Sharan 7N Sliding Door Locking Catch Plate Left N/S 7N0843639
Product currently unavailable
Part no. 06J903023D
Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D
Product currently unavailable
Part no. 7N0843638
Volkswagen Sharan 7N Sliding Door Catch Upper Locking Plate Right O/S 7N0843638
Product currently unavailable
Part no. 06K907425B-13
Volkswagen Golf VII R 2.0TSI CJXC 300HP Engine Control ECU Kit 06K907425B Manual
Product currently unavailable
Part no. 7N0906093
Fuel Pump Module VW Volkswagen Sharan 7N Fuel Sender Control Unit ECU 7N0906093
Product currently unavailable
Part no. 03F971612
VW Volkswagen Polo 1.2 TSI CBZB Engine Wiring Harness Cable Loom 03F971612
Product currently unavailable
Part no. 02Z911023G
VW Volkswagen Touran 1T 1.4 TSI Starter Motor Petrol Engine Unit 02Z911023G
Product currently unavailable
Part no. 1Y0959255C
Volkswagen New Beetle Convertible Roof Control Module Control Unit 1Y0959255C
Product currently unavailable
Part no. 0AH911023A
VW Volkswagen Touran 1T 1.2 TFSI CBZB Starter Motor 0AH911023A
Product currently unavailable
Part no. 02Z911023E
Volkswagen New Beetle 1.4 TSI Petrol Engine Starter Motor 02Z911023E
Product currently unavailable
Part no. 6Q1937049B
VW Polo 9N Seat Body Control Comfort Unit Module BCM Convenience Unit 6Q1937049B
Product currently unavailable
Part no. 06F903023HX
Volkswagen Golf Mk5 2.0 TFSI Petrol Alternator Generator 06F903023HX
Product currently unavailable
Part no. 5Q0915181G
Volkswagen VW Golf Mk7 Negative Battery Terminal Cable Wiring 5Q0915181G
Product currently unavailable
Part no. 04C903021A
Volkswagen Golf Sportsvan 1.5 TSI Alternator Valeo 14V 140A 04C903021A
Product currently unavailable
Part no. 6R0971349Q
Battery Cable VW Polo 6R Positive Alternator Starter Wiring B+ 6R0971349Q
Product currently unavailable
Part no. 03G906016HJ
Volkswagen Golf 5 2.0 TDI Engine Control Unit ECU Manual 03G906016HJ
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. 070911023C
Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
Product currently unavailable
Part no. ML3T-14H031-AK
VW Amarok NF Blind Spot Radar Sensor Rear Left Right N/O/S ML3T-14H031-AK
Product currently unavailable
Part no. 3AA919475N
Volkswagen Passat B7 PDC Parking Assistant Module Control Unit 3AA919475N
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 .