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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Audi Q3 8U Battery Positive Terminal Cable Plus Pole Wiring Harness 5N0971228F
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Audi A3 8P 2.0 TDI 170HP CBBB Engine ECU Unit Kit 03L906022FD Key + Ignition
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BMW E90 E91 LCI 320d N47N 184HP Engine Control ECU Kit DDE 8519668 Automatic
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Mercedes W163 Fuse Main Box Relay Comfort Control Module Unit CMM A1635450205
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Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
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Mercedes C204 C250CDI OM651.911 204HP BlueEFFICIENCY Engine ECU Unit A6519007401
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BMW 5 6 7 Series E60 E61 E65 N62N Petrol Alternator Generator 180A 7542934
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Audi TT 8J Parking Distance Sensor Control Unit Module Rear 8P0919475F
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9181326
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Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit 3456760
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Mercedes S212 Estate Roof Antenna Cover Shark Cosmos Black Metallic - 303
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BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450601
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Audi A4 B7 A6 C6 Alternator Generator 1.9 TDI Diesel 06F903023HX
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BMW 1 Series E81 Body Control Module L2 61359264569 9264569
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Ford Mondeo MK4 Negative Battery Terminal Cable Wiring Connecting 6G9T14301BK
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
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BMW X3 E83 PDC Parking Ultrasonic Sensor Angled Schwarz
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Mercedes-Benz A C W169 W204 Battery Relay Module Box A1695450046 A0035422619
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Renault Trafic II Opel Vivaro A 1.9 DCI Alternator Generator 8200086130
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Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 + EWS + Key
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6943441
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Mini Cooper One R50 R52 R53 Cable Door Right Wiring Harness Loom 6975062
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BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9394669
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Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
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BMW E87 E90 Seat Wiring Front Sport Seat Lumbar Loom Harness Cable 6942556
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MINI Cooper R50 Petrol W10 116HP Engine ECU Kit DME 7542310 EWS3 Key Manual
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Mercedes ML W164 W251 SAM Module Control Unit ECU A1649004600
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Audi A6 C6 Front Seat Control Memory Module Front Left N/S 4F0959760
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Body Control Module Mercedes W117 W176 W242 W246 Fuse Box Sam A2469008510
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Audi TT 8J Radio CD Player Professional Audio Concern Head Unit 9199439
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Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6868257
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BMW F20 F21 F30 F31 118d 318d B47 150HP Engine Control ECU DDE 8473185 Manual
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 9132216 65129132216
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Renault Trafic III Vauxhall Vivaro B 1.6 dCi Engine Starter Motor 233000106R
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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Audi A5 8T Steering Wheel Air Module Driver's Side 8E0880201DH
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BMW E93 Convertible Rollover Control Controller Module Unit 9134734
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BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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BMW F20 F21 F30 F31 F34 GT Rain Sensor Front Windscreen Light Unit 9293279
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BMW F40 F45 Mini F55 F56 Front Suspension Strut Protective Cap Cable VDC 6876863
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BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 9119707
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Ford Transit Connect Rear Door Wiring Cable Harness Loom FT1T14027LLC
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Volkswagen Golf Mk5 1.9 TDI 105HP BXE Engine ECU Kit 03G906021KH Ignition + Key
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Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Audi A6 4F C6 3.0 TDI Diesel Starter Motor Bosch 0001109319 059911024D
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Mini Cooper F54 F55 F56 F60 Radio CD Player Media Head Unit Alpine 9344044
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Audi A4 B8 Starter Alternator Wiring Loom Cable Harness 8K0971228F
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BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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BMW F01 F02 F03 LCI F06 F10 F13 Antenna Amplifier Diversity 868 MHZ 9346806
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BMW 1 Series E87 Footwell Light Control Module Lear FRM3R PL2 9249080
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Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
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BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
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Part no. B6 787 5877
Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877
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Mercedes W213 Dashboard Switch Panel A2139053303
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BMW E91N LCI ECU Body Control Module Junction Box H2 9247472
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BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9204526
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Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
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Part no. 9380947
BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
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Part no. 9655296080
Citroen Dispatch Alternator Generator Valeo 90A 12V 9655296080
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Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 09132701
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Part no. 8K0907063BE
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063K
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Peugeot 207 Multifunction Display Screen Unit Module Dash Dashboard 9676655380
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Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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Audi Q3 8U Boot Tailgate Control module Unit 8U0959107
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Volkswagen VW Polo 6R Negative Battery Terminal Cable Wiring 6R0971226A
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Mini R60 Amplifier Control Unit HiFi Audio Harman Kardon R57 R58 R61 9239605
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Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B
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Body Control Module BMW X5 E70 ECU Junction Box LOW PL4 JBBFEII 2 9138471
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BMW F22 F32 F36 Body Control Comfort Module Unit 8707676
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Audi A5 8T 2.0 TFSI CDNC Fuel Pump Control Module Unit ECU 8K0906093D
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Alternator BMW Z4 E89 23i 30i N52N Alternator Denso 170A 14V 7552815
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Air Intake Duct Citroen Relay Peugeot Boxer Fiat Ducato Air Intake 1306522070
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BMW E61 E92 F32 LCPA Seat Belt Control Module ECU 9129439
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BMW F20 F21 F30 LCI M140i 340i Wiring Harness Motor Sensor System Module 8631656
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Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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Relay Box Mercedes ML W166 Engine Compartment Relay Module A1669063801
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BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
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Bluetooth Module BMW E87 LCI E90 Hands Free High MULF2 9187625
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Mercedes ML W164 Front SAM Control Unit Module ECU A1645406501
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9197127 9205279
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BMW E60 E63 E64 On-board Navigation Monitor Display Screen 6,5"
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718205126
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BMW 3 X3 X5 E46 E53 E83 Mini R50 DVD GPS Navigation System Computer Unit DAMAGE
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Mercedes W164 Front Fuse Box SAM Relay Control Unit Module A1645402401
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VW Volkswagen Golf 1K Steering Wheel Sensor Control Module Unit ECU 1K0953549BC
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Part no. 7580279
BMW E87 LCI E90 320i N43 170HP ECU Engine Control Unit DME 7580279 Manual
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Part no. 8571905-3
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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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 .