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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Part no. A2048600305
Mercedes W204 Air Module Rear Left N/S Door SRS Control Unit A2048600305
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Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
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Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
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Audi A4 B8 A5 8T Gateway Diagnostic Interface Control Unit Module ECU 8T0907468R
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Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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VW Volkswagen Polo 6R 1.4 TSI Petrol Alternator Wiring Harness Loom 6R0971349AP
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Mini Cooper R57 R58 R60 Amplifier Control Unit Hifi Harman Kardon 9272637
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Radar Unit Mercedes W176 W205 W246 GLC C253 Front Bumper Sensor A0009058104
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BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6938085
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Mercedes W212 Estate Fuse Box Rear Relay Control Unit Module SAM A2129005201
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Mercedes W204 Becker Navigation Map Pilot Control Unit Module A1669000101
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Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 ECU 9267515
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Mercedes CLK W209 Fuse Box Relay Control Unit Module SAM Fuse Box A2095450001
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BMW E88 Body Control Comfort Unit Module BCM Unit ECU 9305738
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BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468
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BMW E90 E92 E93 Video Module Unit Bracket Mount Holder Carrier 6945074
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Navigation Head Unit Vauxhall Zafira B Touch & Connect Stereo Radio 13406438
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BMW F30 F31 Hifi Audio Sound Amplifier Control Unit ECU Harman Becker 5A41CD0
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Mercedes-Benz A-Class W176 Audio 20 CD Player Navigation Stereo Radio Head Unit
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Mercedes S204 Door Module Rear Left N/S Control Unit ECU A2048701126
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Audi A4 B8 A5 8F 2.0 TDI Diesel Engine Alternator Generator 04L903017D
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Audi A3 8V 2.0 TDI Quattro 184HP DGCA Engine ECU Unit 04L907309R Automatic
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Audi A7 4G8 Westfalia Towing Hitch Module Control Unit 506737
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BMW 3 Series E92 E93 Front Bumper PDC Loom Cables Wiring Set
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BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8679840 Drivelogic
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Air Module BMW E60 E61 E63 Driver Side Door Control Unit Module 6944498
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Audi A8 4D Front Seat Memory Adjustment Module Unit Right O/S 4H0959760D
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Driver Seat ECU Mercedes W203 A209 W211 Memory Control Unit Module A2118704626
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BMW E60 E61 E65 530i 730i M54 192HP Engine Control Unit DME 7527072 Automatic
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Part no. 7640005-7
Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Automatic
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Mercedes Sprinter W907 W910 Electronic Ignition Module Control Unit A9079002404
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Part no. ET7T18B955BD
Ford Transit Connect Mk2 Multi Function Clock Screen Display Panel ET7T18B955BD
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Part no. 5C0959655B
Volkswagen Golf Mk6 VI Air Module Control Unit ECU 5C0959655B
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BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Keys 7809941 Automatic
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BMW F30 330d N57N 258HP Diesel Engine Unit ECU Kit DDE 8585379 Key Automatic
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Adblue Module BMW F40 SCR Control Unit ECU 9454320
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Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456987
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Part no. A2319067400
Mercedes R231 Headlight LED Control Module Headlamp Unit A2319067400
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Ford Transit Custom Radio Stereo Audio USB Head Unit Panel BK2T-18D815-GF
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BMW X5 E53 E81 E87 E90 LCI Battery Mounting Bracket Bolt Holder
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BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Wiring Loom Module Harness Cable 7848265
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Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400600
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BMW 5 7 Series E61 E61N LCI E65 Air Suspension Supply Control Unit 6784314
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Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355
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VW Volkswagen Phaeton Mk1 Battery Negative Terminal Wire Cable 3D0971235AD
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Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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BMW X5 Series E53 Front Bumper PDC Loom Cables Wiring Set 6960000
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Part no. P8200943317
Renault Trafic II Control Unit Body Control Module BCM ECU P8200943317
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Part no. 8662624-1
BMW F20 F30 120i 320i N13 177HP Engine ECU KIT DME 8662624 + FEM + Keys + Lock
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Mercedes W203 Gearbox Transmission Control A0325451232
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BMW 7 Series E65 E66 Diversity Antenna Tuner Amplifier 6933575
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Part no. 04L907309B-1
Audi A3 8V 1.6 TDI CLHA 105HP Engine Unit ECU Kit 04L907309B Key Ignition
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BMW F20 F30 120d 320d 184HP N47N Engine ECU Kit DDE 8574093 FEM Key Lock Manual
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BMW X6 Series E71 Rear Third Stoplamp Stop Lamp Brake Light Red 7187633
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Part no. Halfords 60Ah Accumulator-1
Halfords 12V Calcium Accumulator Battery 60Ah 550A HCB075
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Land Rover Range Rover Sport L320 Automatic Tailgate Control Module CH3214B673AE
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BMW 7 Series E65 E66 Antenna Tuner Amplifier Professional 6976780
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Ford Mondeo MK4 2.0 TDCi DW10C Engine Unit Module ECU BG91-12A650-RJ Manual
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Land Rover Freelander Ford Mondeo Focus Airbag Crash Impact Sensor 3M5T14B342AB
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Jaguar XJR Automatic Gearbox Transmission Module Control Unit ECU LAB2400CE
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Part no. A6511500126-1
Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6511500126 Key
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Part no. 9191557
BMW E63 Head Unit Profesional CCC Radio Multimedia DVD Player Sat Nav 9191557
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BMW F20 F21 F22 F23 Central Information Display Screen 6,5" Radio Nav 9292244
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Part no. A2078201989
Mercedes-Benz W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201989
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Part no. A6519009702-1
Mercedes W176 A200 CDI OM651.930 136HP Engine ECU Kit A6519009702 2 Keys Lock
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Part no. 6989713-2
3 x BMW E88 E89 E93 Convertible Cabrio DWA Alarm System Module 6989713
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Part no. 8K0915181
Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181
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Part no. 8J0035223B
Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
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Mercedes X253 Steering Wheel Contact Switch Control Plate A0994644206
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Audi RSQ3 F3 2.5 TFSI Quattro 400HP DNWA Engine Unit ECU 07K907309F Automatic
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Door Wiring BMW F82 M4 Coupe Door Wiring Harness Loom Drivers Side 9337201
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Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962
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Part no. 7545042-1
BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU Kit DME 7545042 CAS2 Key Automatic
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BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
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Part no. 3455701
Mini R56 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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BMW E60 E87 E90 E91 Hands Free Electronics Charging MULF2 Module 9226711
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BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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Slave Sensor BMW F01 F06 F10 F13 LCI Lane Change Warning Left N/S 6869508
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BMW E87 E90 E91 118i 318i N46 129HP Engine Control ECU Kit DME 7557290 Automatic
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BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 9125251
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Volkswagen Golf Mk6 VI Front Right Driver's Side Knee Air Module 5K2880841D
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BMW X5 F15 Wiring Rear Right O/S Door Harness Loom 9365819
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Mercedes R231 Headlight LED Control Module Headlamp Adjust Unit A2319067300
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BMW F20 LCI 116d B47 Engine ECU Kit DDE 8591073 + FEM + Key + Lock Manual
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BMW E87 LCI Footwell Light Module Control Unit ECU Lear FRM3R PL2 9286887
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Part no. 6935620
BMW 7 Series E65 E66 E67 CD Audio System Controller Player 6935620
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Part no. A2079005000
Mercedes A207 Convertible Roof Top Control Unit Module ECU A1718204226
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Part no. A2229003011
Mercedes GLC C253 X253 Camera Lane Assist Control ECU Module Unit A2229003011
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Part no. 8579748-2
BMW F30 F31 F32 F34 N57Z 335dX 435dX 313HP Engine Unit ECU DDE 8579748 Automatic
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Part no. 0390203255
Seat Adjustment Motor Mercedes W221 Front Seat Motor Actuator 0390203255
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Part no. 6833996
BMW F83 Head Unit Radio Media Player Navigation 6833996
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Part no. A2749000800-5
Mercedes W205 C200 274.920 184HP Engine ECU Kit A2749000800 Key Lock Automatic
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Part no. 8V3971030K
Audi A3 S3 8V Door Wiring Front Left N/S Passenger Side Harness Loom 8V3971030K
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Part no. 9351670
BMW 1 2 3 5 Series F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9351670
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Part no. A9070005999
Mercedes Sprinter W910 Door Wiring Loom Cable Harness A9070005999
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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 .