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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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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Iveco Eurocargo F4AE0481 Engine Module ECU 4898111
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Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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Starter Motor Mercedes W213 C238 C253 M274 Petrol Engine Actuator Denso DSN1205
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BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B
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VW Volkswagen Golf 1K Steering Wheel Sensor Control Module Unit ECU 1K0953549BC
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Audi A5 8T Wiper Switch Stalk Steering Column Wheel 8K0953502C
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Audi A5 8T Parktronic Parking Sensor Module Unit ECU 8K0919475
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Volkswagen Golf 5 GTI 1K 2.0 TFSI 200HP Engine Ecu Kit 1K0907115F Key Ignition
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Audi A5 8T Headlight Headlamp Module Control Unit 8K0907357
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Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
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Audi A4 B8 Head Unit Radio CD Player Symphony Stereo Audio Player 8T2035195
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Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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Audi A5 8T Audio Amplifier Sound Booster Control Unit Module 8T0035223
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Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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Mercedes W447 114CDI SAM Comfort Control Unit Module Box ECU A4479009509
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Mercedes W207 A207 SAM Control Unit Module Fuse Box Rear A2129004222
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
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Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Peugeot 206 Engine Alternator Generator 1638095180
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VW Golf Mk5 1K Body Control Comfort Unit Module Convenience Unit 1K0959433AK
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-AB
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Volkswagen VW Golf 1K Mk5 Fuse Box Engine Compartment Relay Unit 1K0937124K
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Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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Volkswagen Audi Skoda Audi 1.6 TDI Diesel Engine Starter Motor 0AM911023M
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Mercedes Vito W447 114 CDI 136HP 651.950 Engine Unit ECU A6519002803 Automatic
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Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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BMW F80 M3 F82 M4 Wheel Accelerator Sensor Cable Rear Axle Suspension 7850599
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Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
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Audi A3 8V Air Module Control Sensor ECU Unit 5Q0959655L
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Audi A3 8V Heater Blower Motor Fan Resistor 5Q0907521D
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Audi A3 8V 1.6 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121G
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Audi A3 8V Gateway Module Control ECU Unit 5Q0907530M
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Alternator Volkswagen Transporter T5 2.0 TDI Diesel Engine 110A Bosch 06F903023L
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Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273H
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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
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Audi A3 8V 1.6 TDI CLHA 105HP Engine Unit ECU Kit 04L907309B Key Ignition
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Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A 7540992
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BMW E61 LCI Body Gateway Module KGM HIGH 27 D-Can LEAR 9197317
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Mercedes C209 CLK200 M271.955 184HP Engine ECU Kit Ignition A2711535491 Lock Key
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Mercedes C209 Engine Kompressor 5 Speed Gearbox GSG Module Control A0015453716
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Navigation System BMW E90 E91 E92 Professional CCC Sat Nav Controller 9150961
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Volkswagen Polo 6R Engine Wiring Loom Harness 03E971612AD
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Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
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Mercedes R172 Cable Beam Engine Wiring Harness Loom A1725400533
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Mercedes W166 Hatch Tailgate Central Module Locking Control ECU A1669003708
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BMW E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Automatic
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BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6872837
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Volkswagen Polo Mk5 6R 1.2 CGPB Engine Wiring Harness Cable 03E971612AN
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Seat Ibiza Skoda Fabia Volkswagen Polo Mk5 6R 1.2 Petrol Alternator 03D903025J
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Mercedes C140 CL420 119.981 279HP Engine Unit ECU A0215452032 Automatic Gearbox
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BMW X3 E83 Telematics Bluetooth Control Unit Module Computer 9207074
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Volkswagen New Beetle Earth Ground Cable Negative Battery Lead Wiring 1C0971235A
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Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
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BMW F20 F21 F22 F87 Windscreen Camera Front Window KaFAS Camera 9278358
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BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
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BMW F30 Fuse Box Relay Control Unit Module 9314235
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BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
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Xenon Adaptive Headlight Module BMW F22 F23 Control Unit Driver Module 7363090
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Mercedes W221 Door Control Module Unit ECU Front Right O/S A2219008603
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Mercedes ML W166 Door Control Module Unit ECU Front Right O/S A1669007609
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Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock
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Mercedes W164 Front Fuse Box SAM Relay Control Unit Module A1645402401
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Renault Trafic II Opel Vivaro A 1.9 DCI Alternator Generator 8200086130
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Mercedes ML W166 Head Unit Radio Player Sat Nav Tel SD Card Unit A1669009808
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Steering Wheel Angle Mercedes C216 W221 Sensor Control Unit Module A2219004003
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Volkswagen Tiguan 5N Engine Starter Motor 02M911024C
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Volkswagen Tiguan 5N Air Module Control Unit ECU Module 5N0959655A
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VW Volkswagen Tiguan 2.0 TDI CFFB 140HP Engine Control Unit ECU 03L907309AE
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CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional Head Unit 9258167
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Sunroof Wiring Volkswagen VW Tiguan 5N Roof Motor Cable Harness 5N0971100R
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Volkswagen Tiguan 5N Sat Navi Stereo Radio Audio Head Unit CD Player 2K0035279C
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Mercedes W212 Engine Alternator Generator A0009062100
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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 .