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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Ford Transit Mk8 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BD
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Audi A4 B8 1.8 TFSI CDHA 160HP Engine Control Unit ECU Kit 8K1907115C Manual
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Audi Q7 4L Diagnostic Interface Gateway Control Module Unit ECU 4F0907468N
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Audi A5 8T 2.0 TFSI CDNB 180HP Engine ECU Kit 8K2907115Q 2 Keys + Ignition
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Audi TT 8J Radio Head Unit CD Audio Player Control Unit 8J0035186J
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BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846
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Alpine CHM-S630 CD Changer Multichanger 6-disc Magazine Cartridge
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BMW E87 E90 Radio Business CD Player Audio Control Unit E81 E91 9200101
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Mercedes W167 W256 USB Charger Connecting Unit A1678201302
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Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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BMW 3 Series 1 E90 Radio Professional CD Player 65126971703 6971703
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Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit 1K0035186R
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Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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BMW E60 E61 E63 Passenger Side Door Control Module 6957760
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Audi A5 8T Audio Amplifier Sound Booster Control Unit Module Unit 8T0035223S
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BMW 3 X3 X5 Series E46 E53 E83 Telematics Bluetooth Control Unit Module 6963758
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Screen Ring Mini F55 F56 F57 Navigation Display Head Unit Trim Cover 9843968
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A A6461540102
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Audi A6 C7 4G A5 8T Garage Door Opening Module Controller Unit 4G0907410
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307
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Alternator Ford Transit MK7 Diesel 2.2 Tdci Bosch CC1T-10300-CC
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Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
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Alternator Mercedes Vito W639 OM646 Engine Alternator Generator A0131542102
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Kit 03L906022JM
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BMW F20 F21 F30 F31 Mini F56 Air Conditioning Module A/C Control Unit 9462542
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Battery Cable Citroen Relay Peugeot Boxer Positive Wiring Harness 1362688080
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Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307
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BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654
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BMW Mini Cooper R57 R57N Cabrio Aerial Roof Antenna Base 9149080
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Mercedes ML W164 Diesel Engine Starter Motor A0061516101
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Bosch 8571358
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BMW 1 Series E81 Body Control Module L2 61359264569 9264569
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BMW F80 M3 F82 F83 M4 431hp Engine Control ECU Kit DME 8695512 + FEM Module Key
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Yaw Sensor Mercedes W203 W209 ESP Rotation Rate Control Unit Module A0035423918
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BMW F20 F21 F30 F31 Fuel Pump Delivery Control Unit Module 7450992
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Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
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Mercedes W177 Steering Column Control Module A0999008701
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Vauxhall Vivaro B Renault Trafic 3 Fuse Box Battery Terminal Module 243501820R
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Citroen Dispatch Jumpy III 9HM DV6UC 1.6 Diesel Engine Module ECU 9807885980
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Audi A6 C6 FL Xenon Headlight Light Ballast Control Unit 4E0907476
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Audi A6 C6 Electric Parking Brake ECU Control Unit Module 4F0910801D
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BMW 1 3 Series E87 LCI E90 E91 E92 Radio CD Professional 9144773
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Mercedes SL63 R231 Roadster Fuse Box Passenger Footwell Fuse Box A2315401050
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Bumper Reflector Renault Trafic III Vauxhall Vivaro B Rear Light 7700353184
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BMW 7 Series E65 E66 Centre Console Front Armrest Tray Cables Wiring Set 6907322
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BMW F22 F23 LCI Rear Bumper PDC Cables Wiring Loom Set 79720211
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VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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Battery Cable Ford S-Max Negative Lead Wiring Harness Cable AG9T-14324-UC
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Vauxhall Opel Insignia A Diesel Glow Plug Wiring Loom Cable Wiring 55580911
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Module Land Rover Freelander 2 ECU Front Door Lock Control Unit 6G9T-14B533-EL
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BMW Z4 E89 20i N20 184HP Petrol Engine ECU Kit CAS3 + Keys 8661466 Automatic
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BMW Z4 Series E89 Front Bumper PDC Loom Cables Wiring Set 9225771
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Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
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BMW E91 Touring HiFi Amplifier Speaker System Control Unit Module 9143161
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Mercedes C207 Cable Wiring Power Steering Rack Loom Harness A2045400010
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BMW E90 E91 E92 LCI 335i N55 306HP Engine ECU DME Kit CAS3 + Key 7629130 Manual
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BMW X3 F25 ECU ICM Control Unit Air Module Bag Safety 6860962 0265020494
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Volkswagen New Beetle 1.6 BFS 102HP Engine ECU Kit 06A906033DP Ignition + 2 Keys
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Starter Mercedes W177 W247 C118 1.5 OM608 Diesel Starter Motor A6089060100
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BMW E39 E46 Active Parking System Control Module Unit ECU PDC 6904023
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PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007
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Mercedes R171 SLK350 Kompressor M272.963 Engine Control Unit ECU A2721533279
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TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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BMW E60 LCI E63 CHAMP Business System Controller CD Player 9196760
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BMW 1 3 5 7 X5 X3 SERIES E46 E60 E65 E81 E87 E90 E91 E92 E93 Cap Nut Alternator
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BMW 1 3 X1 E81 E82 E84 E87 E90 E91 E92 2 Radio Business CD Audio Player 9177209
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BMW E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Automatic
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BMW F11 Control Unit Rear Tailgate Boot Lid Function Module ECU 7333939
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Valvetronic Wiring BMW F20 F30 LCI B48 Petrol Engine Actuator Cable Loom 8636066
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Positive Cable Vauxhall Insignia Battery Starter Alternator Plus 13295310
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Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD Player 9263459
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Audi A3 8V Air Module Control Unit SRS System ECU 5Q0959655A
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Mini Clubman R55 Rear Right O/S Wiring Loom Cable Harness Set 9172415
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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 .