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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Body Control BMW F22 F23 F30 F32 F33 F36 BCM Module Unit ECU 9868384
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Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792J
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Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
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Audi A3 8P TT 8J PDC Parking Distance Control Unit Module 8E0054635D
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Audi A3 8P Convertible Roof Control Module ECU 8P7959255
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Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Audi Q5 8R Door Module Front Left N/S Control Unit ECU Controller 8W1959592
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Audi Q5 FY Front Windscreen Windshield Lane Assist Camera 80A907217A
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Volkswagen Seat Skoda Audi 2.0 TDI Diesel Engine Starter Motor Valeo 02E911024H
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Audi Q3 8U PDC Assistance Parking Distance Control Module Unit ECU 8X0919475N
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Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
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Audi Q7 4L 3.0 TDI V6 Diesel Engine Cable Wiring Duct Channel Cover 059971341E
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Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K
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AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
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Audi S5 8T Air Module Control Unit SRS System ECU 8K0959655B
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Audi S5 8T Gateway Control Unit Module ECU 8T0907468P
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Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME EWS + Key 7557395 Manual
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AUDI A7 4G8 Parking Assist Sensors Distance Control Module 4H0919475N
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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107N
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Audi A7 4G8 Central Gateway Control Lear Module Unit ECU 4G0907468G
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Audi A7 4G8 Body Comfort Control Module Unit BCM V2 4H0907064GB
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Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R
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Tailgate Module BMW F01 F10 Rear Boot Trunk Lid Control Unit ECU 7327886
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BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
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Audi Q7 4L Fuse Relay Box Module Electrical Control Unit 4L1937503
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Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Audi Q7 4L Body Comfort Control BCM Onboard Supply Module Unit ECU 4L0910553L
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Fuel Pump Audi A8 D4 Q7 4L Diesel Control Unit Module 4H0906093D
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CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046
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Audi Q7 4L Comfort Control Module Unit ECU 4F0907279D
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Starter Motor AUDI Q7 4L VW Touareg MK2 3.0 TDI Diesel Starter 059911024K
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AUDI Q7 4L Quattro 3.0 TDI BUS Diagnostic Gateway Interface Module 4F0907468R
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Audi Q7 4L 3.0 TDI CRCA Quattro Engine ECU Kit Lock + Ignition + Key 4L2910401B
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Fiat Doblo Engine Wiring Loom Cable Harness 55230143
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Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Key + Lock
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BMW F20 F21 M135i F30 F31 335i N55 Engine Control Unit ECU 8606776 Automatic
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Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Alternator Generator BMW F10 F11 F20 F21 F30 F31 N55 Denso 14V 210A 7616119
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Audi Q7 4L Door Module Front Driver's Side Control Unit ECU 4F0959793T
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BCM Module Audi Q7 4L A6 C7 A8 4H Body Control Unit ECU 4L0919475A
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Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M
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Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
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Audi A3 8Y Rear Door Control Module Unit ECU Driver's Side Right O/S 5Q0959595L
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Audi S5 8T Parking Electric Brake Handbrake Module Control Unit 8K0907801L
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Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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Door Module Mercedes W205 W213 C253 Control Unit Rear Right O/S A1679003718
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Communication Module Mercedes W177 W205 W213 X253 Hermes LTE Unit A2389008601
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Audi S3 8Y 2.0 TFSI DNFF Petrol Engine Sound Noise Actuator 4H0907601E
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Audi A3 8V 2.0 TDI DFGA Diesel Starter Motor 02E911022C
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D
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Audi Q5 8R Air Module SRS System Control Sensor ECU Unit 8R0959655E
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Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N
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Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D
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Head Unit BMW F20 F30 LCI F36 CD Player DAB Radio Sat Nav Navigation 6825837
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Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021
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Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
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BMW X3 X5 E53 E83 M57N2 Alternator Generator Diesel Power 150A 7797661
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VW Volkswagen Polo 1.2 TSI CBZB Engine Wiring Harness Cable Loom 03F971612
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Audi A3 8V 30 TDI DGTE Diesel Fuel Pump Module Control Unit ECU 3Q0906121B
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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 .