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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BMW F10 F11 F12 F13 N57N Diesel Alternator 210A Valeo 8515754
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Mercedes C219 Fuse Box Rear Relay Control Unit Module A2115456701
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Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
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BMW E39 Cruise Control Unit Module 8375497
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Mini R55 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7798179 CAS2 + Keys
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Starter Motor Ford Galaxy Mondeo S-Max TDCi Diesel Engine Starter 6G9N-11000-FA
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual 7T11-12A650-HE
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Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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Mercedes-Benz C-Class W203 Airbag System Control Unit Module ECU A2038206385
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BMW X5 E70 M Audio Professional Radio CD Player Navigation Head Unit 9186211
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Volkswagen VW Phaeton 3D Fuse Box Electrical Control Unit Module 3D0937499B
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BMW E81 E87 LCI E90 120d 320d N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
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Audi A5 8T Parktronic Parking Sensor Module Unit ECU 8K0919475
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BMW Z4 E85 2.5i Engine M54 192HP Engine ECU Kit EWS3 + 2 Keys 7527072 Manual
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BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
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Mercedes-Benz A-Class W168 Fuse Box Unit Holder Bracket Frame A1685453340
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Mercedes W176 A200 CDI BE OM651.901 Engine ECU Kit A6519007600 Key + Lock
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BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
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BMW F30 F32 F80 M3 F82 M4 1 Rear Antenna Aerial Amplifier AM/FM DAB
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Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
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Audi Q7 4M Rear Bumper PDC Parking Sensor Wiring Harness Loom 4M0971104CB
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Audi A3 8V 2.0 TDI CRLB 150HP Engine ECU Kit Ignition + 2 Keys 04L907309A Manual
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Volkswagen Golf Mk5 2.0 TFSI Petrol Alternator Generator 06F903023HX
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BMW E81 E87 E90 E91 E92 Parking Control Module Unit PDC 6982397
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Mini Cooper One R55 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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VW Volkswagen Golf VI 6 Bluetooth Interface Control Module Unit ECU 5K0035730D
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Mercedes W169 W211 6 Disc CD Changer Player Glove Box A2118275542
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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Mercedes ML W164 Lumbar Module Front Seat Control Unit A0009105202
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BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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BMW E93 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic
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BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
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Mini Cooper S R55 R56 LCI N18 1.6 184HP ECU Kit DME 7619333 + CAS3 + Key Manual
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Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual
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PDC Wiring Mercedes W169 W245 Front Bumper Parking Sensor Loom Cable A1695403733
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BMW 3 E90 E91 LCI 325i N53 218HP ECU Engine Control Unit DME 7592080 Automatic
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Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896
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Land Rover Discovery 4 L319 Radio Sat Nav CD Player Head Unit BH22-18C815-AB
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PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523
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Mercedes W204 Navigation Radio CD Player Head Unit A2049007202
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Keys Automatic
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Starter Motor AUDI Q7 4L VW Touareg MK2 3.0 TDI Diesel Starter 059911024K
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Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356
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BMW Z4 E89 Central Information Display Dash Screen Navigation Monitor 9282022
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Mini Cooper R56 LCI N16 1.6 Petrol Engine ECU Kit DME 7607685 + CAS 3 + Key
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Mercedes W205 Head Radio CD Player Navi Interface Control Unit A2059006222
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BMW E90 E92 E93 M3 Engine S65 420HP ECU Control Unit Kit DME 7846409 + CAS3 Key
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VW Amarok Mk2 Remote Ignition Key Opener Button Switch Unit P1XT-15K601-AA
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Battery Cable BMW E36 E46 M43 M57 Starter Alternator Wiring Harness 1722094
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Audio Amplifier BMW F20 F21 F23 LCI I3 I8 Top Hifi Harman Kardon Unit 9382517
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Mercedes W212 E220CDI OM651.924 Engine ECU Kit Key Lock Ignition A6519005301
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Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
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BMW E93 Convertible Hall Sensor Trunk Boot Control Unit Module 6958127
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Fuse Box Mercedes Sprinter W906 SAM Control Unit Module A9065452101
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718207126
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BMW Mini Cooper S R52 R53 Gearbox Basic Control Unit EGS 7524695
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Mercedes W447 Front Door Module Left N/S Control Unit ECU A4479000001
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Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control Unit DME 7613226 CAS Key Manual
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Mercedes S205 Estate W213 W222 Towing Hitch Trailer Hook Module Unit A2139009216
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Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
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Mercedes SLK R172 Roadster Folding Roof Module Vario Control Unit A1729006503
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PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009003210
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Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
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BMW Mini Cooper One R50 DME Petrol Engine Control Unit ECU Automatic 7514587
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Seat Leon Mk2 1P USB AUX Port Socket Connection Media Adapter 1P0035726A
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BMW 5 E60 E61 530d M57N 218HP ECU Control Unit DDE 7796637 Module Automatic
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Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
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Earth Ground Cable Mercedes Vito W447 Positive Battery Lead Wiring A4475401755
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BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982
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Amplifier DAB Mercedes W176 W204 W212 Control Unit Module ECU A1669007616
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Volkswagen Golf MK6 Parking Sensor Wiring Rear Bumper Loom Cable 03L972619BA
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Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637D
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Audi TT 8J Interior Roof Alarm Motion Ultrasonic Sensor 8J0951177
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Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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Seat Ateca FR 2.0 TDI Engine Alternator Generator Valeo 14V 140A 04L903021D
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Audi A3 8P 2.0 TDI 170HP BMN Engine ECU Kit Key + Ignition 03G906018DN Manual
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Part no. 3456588-1
Mini R57 LCI Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456588
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SAAB 9-3 1.9 TTiD ECU DDE Engine Control Unit Module 55568896
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Skoda Fabia 5J Dance CD Player Audio Stereo Radio Head Unit 5J0035161A
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Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
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Ford Transit Custom 2.2 TDCi Glow Plug Wiring Loom Cable Wire CK2T-6M091-AD
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BMW Z4 E85 E86 CID Control Unit CD Player Radio Audio System 9132254
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Audi A4 B7 2.7 TDI BPP Diesel Engine Alternator Generator 059903023BX
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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 .