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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Vauxhall Astra H Corsa D Merriva B 1.7 CDTI Engine Starter Motor 8980147432
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BMW E87 E90 Navigation Controller DVD M-ASK Business System Head Unit 9149232
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Alternator Generator Peugeot 207 Diesel 12V Electrical Unit 9646321780
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BMW X6 E71 Footwell Light Control Unit Module FRM3R LEAR 9308373
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Airbag Module Peugeot 307 Control Unit ECU Car Safety Sensor 9650109480
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BMW E91 Light Control Module ECU PL2 FRMFA Lear 61359128183 9128183
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Ford Transit Custom Rear Bumper Parking Sensor Wiring Harness Loom BK2T15K867DC
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Audi A4 B8 Door Module Front Drive Side Control Unit ECU 8K0959793E
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412
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Head Unit BMW F10 F20 F30 Basis Media Navigation Headunit 9357991
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Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
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Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835
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Starter Motor Volkswagen VW Golf VI Passat B6 Tiguan Diesel Engine 02M911024
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BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
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Kia Sportage 3 1.7 Diesel Engine Starter Motor Denso 36100-2A550
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C
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BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7584113 Manual
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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BMW E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931
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Mercedes-Benz E W210 Estate CDI Gearbox Control Module Unit ECU A0305454932
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BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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BMW X1 Series E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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Audi A8L 4H TV Tuner Digital Video Control Module 4G0919129C
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Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
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Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806
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Mercedes W164 M113 Petrol Engine Starter Motor A0061510601
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Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
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Alternator Generator BMW E90 E91 E92 E93 LCI E84 F25 Diesel N47N 8507624
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CD Radio Mercedes Vito W639 Sprinter W906 Audio Stereo Head Unit A9068200286
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Renault Trafic II F83 1.9 DCI F9Q 760 Engine ECU Kit 8200204836 Key Lock Manual
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Part no. E88 Wiring Loom Set PDC Rear
BMW E88 Cabrio Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Mercedes W204 W212 W221 AMG Fuel Pump Module Control Unit ECU A0355400445
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Mini One R55 R56 Petrol N12 1.4 95HP Engine ECU Kit DME 7640004 CAS3 Key Manual
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BMW X5 E70 X6 E71 Battery Cable Negative Battery Lead IBS 9184209
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Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
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BMW X3 E83 LCI Fuse Box Grouping Map Diagram Location 3428544
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VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Audi Q5 FY Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907064AP
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BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283F
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MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970
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BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual
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Mini Cooper R50 R53 Control Unit Module RPA Tire Puncture Warning 6801252
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Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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BMW F10 Footwell Light Module Control Unit ECU FRM III 9236460
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Mercedes-Benz A E M Class W163 W168 W210 CD Player Audio 10 Stereo Radio Unit
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BMW X6 E71 Rear Trunk Battery Cover Tray Storage Box 6981050
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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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Mini Cooper R56 LCI R58 N16 1.6 122HP Engine ECU Kit DME 8617050 CAS 3 + Key
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BMW F25 F26 Head Unit Basis Media Navigation System Controller DAB 6821164
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Display Screen BMW F30 F31 F32 F33 Central Information 8,8" 6822626
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BMW F20 F30 LCI 118d 318d B47 150HP Engine ECU Kit DDE 8473185 FEM Key Automatic
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BMW G20 Radio Audio Amplifier Remote Receiver Control Module Unit 5A4CE55
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Mini Cooper R58 Coupé Footwell Light Module High EKS PL3 FRM3R 3457402
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BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702
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Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100
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BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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BMW E60 E63 Body Control Module ECU Control Unit 9136039
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Alarm Sensor BMW E84 E91 Ultra Sonic-Module System Control Unit 9260874
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Saab 9-3 1.9 Ttid Z19DTR Diesel Engine Alternator Generator 93169260
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Starter Motor VW Golf GTI Audi Seat Skoda Petrol CJX CHHA Bosch 1.1KW 02E911024B
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Audi A8 4E S8 D3 Comfort Unit Control Module 4E0907289E
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BMW 1 Series E87 Footwell Light Module ECU Control Unit NSW PL2 FRMFA 6956586
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BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Wiring Loom Module Harness Cable 7848265
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Ford Transit Mk8 VI Glow Plug Controller Unit Module Relay GK2112B533AA
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Mercedes W212 Rear Suspension Shock Left N/S Sensor Wiring Cable A2125402605
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PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115459232
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BMW E88 Footwell ECU Xenon Light Control Module PL2 FRM II Lear 9197162
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BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9126314
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 9132216 65129132216
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BMW E65 Control Unit Power ECU Module 6921566 6943489 6935431 6957026
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BMW F30 On-Board Screen 8,8" Android Infotainment System F30_NBT
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BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
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BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 8570238
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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 .