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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Renault Trafic 1.9 DCI Diesel Engine Control Unit Module ECU Manual 8200051608
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Seat Ibiza FR KJ1 Fuse Distribution Box Electrical Control Unit 2Q0937548D
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Volkswagen Golf VII R 2.0TSI CJXC 300HP Engine Control ECU Kit 06K907425B Manual
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BMW F06 F12 F13 Central Information Display Screen CIC Navigation 9247874
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Mercedes W163 Fuse Main Box Relay Comfort Control Module Unit CMM A1635450205
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VW Scirocco Mk3 2.0 TDI CBDB 140HP Engine Control Module ECU 03L906022KD Manual
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Audi A4 B7 Fuel Pump Sender Control Relay Module Unit ECU 4F0906093G
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BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7599883
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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Audi SQ5 8R Starter Alternator Engine Wiring Loom Cable 3.0 TDI 8R0971228BG
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Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
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BMW U06 X1 U11 Gearbox Wiring Loom Transmission Cable 5A7A3B9
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BMW E92 LCI Body Control Module Unit PL2RR JBBFE IIIR L1 9264568
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Mini Cooper R50 R53 Rear Battery Hold Down Strap Retaining Bracket 6917738
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BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
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Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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BMW F30 LCI F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9393194
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Mercedes ML W164 SLK R171 W211 C219 CD Changer 6 Disc Player Unit A2118705390
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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BMW 3 5 X5 Series E39 E46 E53 Automatic Gearbox Ecu Control Unit EGS 7518709
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Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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Telematics Module BMW F20 F21 Bluetooth Teleservices GPS Control Unit 2622605
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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BMW E88 Body Control Comfort Unit Module BCM Unit ECU 9305738
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Audi A6 C7 2.0 TDI SRS Air Module Control Unit Sensor ECU 4H0959655C
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BMW X3 E83 Transmission DXC Transfer Box Wiring Cable Loom Harness 3414473
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BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Audi A4 B8 8K A5 8T Sound System Audio Amplifier Amp Unit 8T0035223AB
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BMW F01 F02 F03 F10 LCI X3 F25 Control Unit Rear Function Module 7327886
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BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
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VW Volkswagen New Beetle 1.9 TDI BSW Diesel Alternator Generator 038903024F
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Mercedes W213 C238 Air Suspension Valve Block Control Unit Module A0993200258
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BMW X1 E84 Radio Navigation Head Unit Android CarPlay Display 10.25 XRC8667
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
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Airbag Module Citroen Berlingo Peugeot Partner Air Bag Control Unit 9803916880
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Mercedes Sprinter W907 W910 Control Unit Module ECU A9079005303
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Seat Ibiza Volkswagen Polo Mk5 6R 1.2 Petrol Alternator Generator 03D903025J
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Mercedes-Benz M ML W163 Front Bumper Fog Lamps Parktronic Wiring Loom Harness
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BMW 1 Series E87 BODY CONTROL MODULE L2 61356968836 6968836
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BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392
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BMW Mini R50 One 1.6i Petrol Engine Control Unit DME Manual 7520019 7526780
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BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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BMW 5 Series E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6936997
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BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
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Mini R56 LCI R60 N16 98HP Petrol Engine Control Unit ECU DME 8600124 CAS3 Key
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BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
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Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622
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BMW F13 M6 NBT EVO HU Multimedia MMI Sat Nav Display CD Player Head Unit 2448971
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Seat Ibiza 6J Mk4 CFWA Diesel Engine Alternator Generator 14V 140A 03P903023B
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BMW 5 F10 F11 Battery Cable Wiring Harnes Lead Positive Underfloor 9150990
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BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
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BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682
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Renault Scenic III 1.5 Dci Engine Alternator Generator 12V 120A 8200960533
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Audi R8 Gen 1 Engine Starter Motor 4.2 FSI 02Z911023L
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Adblue Module Mercedes W447 W906 Control Unit ECU A0009004213
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BMW F20 F21 F30 F32 N55 Power Distribution Module Bracket Cover Carrier 8620771
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ECU Unit BMW E81 E82 E87 LCI E88 N47S 123d Engine Module DDE 7811702 Manual
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BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Wiring Loom Module Harness Cable 7848265
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Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932
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Audi Q7 4M Starter Motor Engine Diesel Valeo 06M911022D
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BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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Mercedes GLC X253 Communication Module LTE Telephone Bluetooth A2229004220
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Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Automatic
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BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086
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Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351
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BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9211494
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Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
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MINI Cooper R50 Lodgesons Steering Wireless Control Unit Module System
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BMW E87 LCI E90 118i 318i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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BMW E90 E91 LCI 320d N47N 184HP ECU Engine DDE 8506566 Manual Transmission
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BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356
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Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Volkswagen VW Golf V TDI Diesel Engine Starter Motor 022911023F
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BMW 5 Series E60 E61 LCI Rear Bumper PDC Ultrasonic Sensor Interlagos Blau Blue
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Volkswagen Golf Mk7 Air Module Control Unit ECU 5Q0959655M
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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 .