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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Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000600
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Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511508656
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CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046
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Audi TT 8J Headlight Head Light Lamp Range Control Unit Module ECU 8X0907357C
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BMW 3 Z3 Series E36 Electrical Fuse Relay Box Storage Trim 1387614
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Audi TT 8J Centre Console Multimedia Navigation Control CD Player 8J0035193D
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Mini Cooper S R55 R56 R57 LCI N18 1.6 184HP ECU Control Unit DME 7613226 Manual
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BMW E87 E90 116i 316i Petrol Engine N45 ECU Kit DME 7557809 + CAS2 + Key Manual
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BMW F39 X2 Radio Sat Nav CD Player Stereo Media Head Unit 5A3B4C1
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Dashboard Display Screen BMW F20 F21 LCI GPS Navigation Sat Nav Android 10,25"
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Mercedes-Benz W221 Distronic Intelligent Cruise Control Radar Unit A2129004603
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ECU Mercedes C205 C250d Diesel OM651.921 204HP Engine Control Unit Automatic
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Control Unit Box BMW F20 F21 F22 F30 F31 Cover Panel Protection 8509722
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Audi TT 8J Coupe Roadster Ultrasonic Sound Control Module ECU Unit 8J0035223E
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£BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU Control Kit DDE 7823422 CAS3 Keys
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BMW 1 3 Series 3 E60 E87 E90 M47N2 120d 320d DDE Engine Control Unit ECU 7801711
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356
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BMW F30 F31 Sterter Motor Alternator Cable Wiring Loom Harness 8577238
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Mini Cooper One R50 R52 Air Intake Silencer Filter Box 1477831
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Ford Transit Mk8 Door Front Left N/S Cable Wiring Harness BK3T14A631KBD
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BMW F10 F11 525d N47S1 218HP Engine Unit ECU Kit DDE 8518636 + CAS4 + Key
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BMW Disc Professional Navigation 07-2 DVD Road Map Europe T1000-13931
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Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328
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Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230
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Mini Cabrio R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3455241
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Mercedes W204 C 220 CDI 651.911 170HP Engine Control ECU Kit A6519007500 Manual
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Mercedes W213 Head Unit CD Media Player Audio Auto Radio Controller A2139005311
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BMW E60 E87 E90 120d 320d 520d N47 ECU Engine Control Unit DDE 8506374 Manual
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BMW Mini Cooper S R52 R53 Gearbox Basic Control Unit EGS 7524695
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Audi A3 8P 2.0 TDI 140HP Diesel Engine Control Unit ECU Module DSG 03G906016DT
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Volkswagen Golf CD1 Negative Battery Terminal Cable Wiring Battery 5WA915181D
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Fuel Pump Module BMW F10 M5 F80 M3 Fuel Pump Control Unit 7398495
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Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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Mercedes W415 Citan 109 CDI OM607.951 Engine Unit Module ECU A4159006703 Manual
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Mercedes W906 316CDI OM651.955 165HP Engine ECU Kit A6519002600 Keys Lock Manual
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BMW 3 Series E90 E92 E93 M3 Front Bumper PDC Loom Cables Wiring Set 9145026
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Mercedes C209 220 CDI M646.966 150HP Engine Unit ECU A6461506479 Automatic
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Land Rover Freelander TD4 Starter Motor Engine Actuator Diesel NAD101500
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BMW E87 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9197175
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BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM3R 9251488
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Ford Transit MK7 2.2 TDCi Diesel Engine Wiring Loom Harness Cables 8C1T12B637KE
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BMW X5 E53 Fuse Box Label Trim Cover Panel Sticker 6920035
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SAM Control Module Mercedes W164 W251 Fuse Box Comfort Unit ECU A1645404401
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Mercedes W221 Telephone Battery Control Unit A2118202535
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Peugeot 307 Display Screen Dashboard Multifunction Monitor Unit 9652809977
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2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
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Parking Sensor Wiring Mercedes W177 W247 Rear Bumper PDC Loom Cable A1775405710
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BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9294309
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Mercedes Citan W415 Battery Tray Housing Box Case Covering 648944878R
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Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit ECU DME 8600124 Manual
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BMW F30 F31 LCI 320d ed B37 163HP Engine Control Unit ECU DDE 8589145 Automatic
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Mercedes W220 Fuse Relay Junction Box HV Battery Connector A0005401950
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Mini Cooper R60 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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Mercedes W213 Parking Control Unit Module ECU Parktronic A0009006418
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Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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Volkswagen VW Golf Mk6 1.6 TDI Alternator Cable Wiring Harness Loom 1K0971349GA
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BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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Mercedes W177 Door Control Module Rear Left Right N/O/S A1779001203
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Wiring Mercedes W176 W242 W246 C117 Petrol M270 Engine Harness Loom A2701501533
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Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
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Ford Transit Mk8 VI Glow Plug Controller Unit Module Relay GK2112B533AA
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Mercedes W204 Radio Player Head Unit COMAND Sat Nav Autoradio A2048709790
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Mercedes R170 Engine Pulse Relay Control Module Unit A1705450105
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BMW F20 F21 F22 F30 F31 N20 N26 N55 Petrol Engine Starter Motor 7638194
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BMW E60 530d E90 330d M57N2 231HP Engine ECU Kit DDE 7801712 CAS2 + Key Manual
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BMW E46 Led Indicator Side Light Signal 7165845
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Camera Kafas BMW F20 F21 F22 F87 LCI Front Windscreen Camera 6822680
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 + CAS3 + Key Manual
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Citroen C4 Peugeot 3008 Starter Motor Engine Diesel 9663528880
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Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
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PDC Module BMW G01 G02 G20 G21 Park Assistance Control Unit 5A130F8
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BMW 5 Series E60 E61 LCI 520d N47 177HP ECU KIT DDE CAS3 + Key 7811700 Manual
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Mercedes W140 Parking Control Unit Module Sensor A0205457832
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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 .