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. a0025429219
Mercedes C117 W166 W176 W222 W246 Relay Black Control Unit 12V 20A A0025429219
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PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710
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Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828
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BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Renault Kangoo Mercedes Citan W415 Engine Starter Motor 1.5 Diesel 233008223R
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BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
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BMW E64 E85 Sensor B Pillar Air Module Unit Left N/S 6940299
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Audi Q7 4L Bluetooth Module Multimedia Control Unit ECU 4E0035729A
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BMW 5 6 Series E60 E63 On-board Navigation Display Monitor Screen 6,5" 6957342
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Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802
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BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE 7798179 CAS2 + Key
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BMW F45 F46 F48 ECU Body Domain Controller BDC Control Unit Module 5A402E6
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Audi A6 C7 Multimedia Radio CD Player Head Unit 4G0035192H
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Part no. 7575650-2
Mini Cooper R56 N12 W16 Alternator Generator Napa 7575650
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Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Audi A3 8P 2.0 TDI 170HP BMN Engine ECU Kit Key + Ignition 03G906018DN Manual
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Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D
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Head Unit Mercedes C207 W212 High Line Radio Sat Nav DVD Bluetooth A2129006709
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Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655H
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BMW 1 3 X1 Z4 Series E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6952296
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Amplifier Bracket BMW X1 F48 F46 Control Unit Module Holder Mount 6831329
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Ford Transit Battery Cover Fuse Box Trim Panel Lid YC15-10A687-A9W
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BMW E85 Roadster Cabrio Safety Information Air Module 6939811
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VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035191R
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Audi A4 B7 1.9 TDI Engine Control Unit Module ECU 03G906016JA Manual Gearbox
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Volkswagen Polo 6R Engine Starter Motor Assembly Unit 0AM911023F
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BMW 3 5 Series E60 E90 E91 330i 530i N52 Engine ECU Kit DME CAS2 Key 7561684
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Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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BMW F10 Light Control Footwell Module ECU Unit FRM3 9251975
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Mercedes W177 M282 Petrol Engine Starter Motor A2829061900
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine Unit ECU Kit DME 7620985 Manual
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BMW F20 F30 F32 120d 320d 420d N47N Engine ECU Kit DDE 8578946 FEM Key Manual
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Mercedes-Benz C CLK Class W203 C209 Fuse Box Cover Engine A2035450403
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Part no. 8P0907279N
Audi A3 8P BCM Body Control Module Unit ECU 8P0907279N
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Part no. 9243645
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 9243645
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BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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Mercedes W447 Comfort Control Unit Module A4479009509
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Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
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Mercedes S212 E220CDI OM651.924 170HP Engine Control Unit ECU Kit A6519005301
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Mercedes W221 Front Door Module Right O/S Control Unit ECU A2219007601
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BMW MINI Cooper One R50 R53 1 Wave Radio Cassette Headunit Tape Player 6921593
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Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515
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Fuse Box Mercedes W211 CLS C219 Rear SAM Module Relay Control Unit A2115458601
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BMW F20 F21 F22 F23 LCI DAB Navigation Head Control Unit Module Business 9875929
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Volkswagen New Beetle Earth Ground Cable Negative Battery Lead Wiring 1C0971235A
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
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Part no. 8K0907064C
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064C
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Part no. A2079003700
Mercedes C207 Door Module Rear Left N/S Control Unit ECU A2079003700
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Part no. 5A4F856
Mini F54 F55 F56 F60 Navigation Media Radio Sat Nav Head Unit 5A4F856
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Part no. 8W0907064GC
Audi A5 F5 Central Body Control Module BCM Unit ECU 8W0907064GC
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118701826
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Mercedes W203 Front SAM Control Unit Module Fuse Box A2035454101
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BMW E93 E64 Convertible Rollover Control Controller Module 9179400
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Mini Cabrio R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3455241
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Mercedes W212 Front Bumper PDC Wiring Parking Sensor Loom Harness A2124403758
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GM Vauxhall Opel Relay 4-Pin Glow Plug Unit Black Tyco 90464760
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Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115459232
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM IIIR Lear 9224617
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BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921
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Part no. 8490093
BMW G01 G05 G20 G22 G30 G32 B57P Diesel Engine Starter Motor 8490093
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Mercedes W177 OM608 Diesel Engine Wiring Loom Harness Cable Loom A6081500400
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Mercedes W205 Centre Console Lighting Wiring Harness Cable Loom A2059061905
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Gearbox Control Mercedes W177 W247 Transmission Unit Module ECU A0009015810
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Mercedes C238 Vehicle Dynamic Transmission Control Unit Module A2059001136
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Part no. 9259730-1
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
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Part no. A2129006924
Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924
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Part no. 7595179-7
BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
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Part no. A1569056800
Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800
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Part no. 8680374
BMW F45 Alternator Generator 8680374
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Part no. A2035453801
Fuse Box Mercedes W203 C209 Rear SAM Module Relay Control Unit A2035453801
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Part no. E87 E90 Cable Aux 178cm
BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm
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Part no. 7567178-3
BMW E60 E90 523i 323i Petrol N52 177HP ECU Kit DME 7567178 CAS3 + Key Automatic
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Part no. 2755095
Mini Clubman R55 Amplifier Holder System HiFi Stereo Audio 2755095
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Part no. 9671583580
Peugeot 207 1.6 HDI Diesel Glow Plug Wiring Loom Cable Wiring 9671583580
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Land Rover Range L322 3.0d M57 Engine Wiring Loom Harness Automatic 7788409
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Part no. 7565300-14
BMW E87 E90 E91 120i 320i N46 Engine Control Unit ECU DME 7565300 Manual
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BMW 3 Series E46 Door Wiring Loom Harness Co-Drivers Passengers Side 8383351
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Mini R56 R57 LCI One N16 1.6 98HP Petrol Engine ECU Kit DME 7607685 CAS3 + Key
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Volkswagen VW LT 35 Diesel Engine Starter Motor Unit Napa 069911023LX
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PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94
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BMW E87 ECU Junction Box Body Control Module Unit H2 PL2 JBBFE 6971960
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Relay Black 12V V23134J52X207 V23134-J52-X207
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Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
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BMW E60 Light Control Module Unit Lear LM E6X MAN.LWR Lear 6941589
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Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Part no. A1669059302
Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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Part no. 8507136-3
BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Keys
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Part no. CC1112B533AB
Ford Transit MK7 Diesel Glow Plug Relay Control Unit Module CC1112B533AB
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Part no. 9246503
Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503
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Part no. 361004A000
Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000
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Part no. 9798427
BMW F87 LCI M2 Competition S55 411HP Engine Control Unit ECU DME 9798427
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Part no. 8506442-1
BMW E81 E87 LCI 123d Petrol N47S 204HP ECU Kit DDE 8506442 CAS3 Key Automatic
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Part no. 6784961
BMW E81E88 E90 E92 Speed Sensor Yaw Rotary Rate Sensor Adaptive Steering 6784961
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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 .