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 A6 C7 2.0 TDI CGLC Diesel Starter Motor 03L911024B
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E
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Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
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Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
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On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 6911908
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Audi TT 8J Starter Motor Engine Diesel Valeo 02M911024N
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Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE
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Mini Cooper R55 R56 Petrol N12 DME Engine Control Unit ECU 7600076 Manual
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Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
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Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 3457441
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Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0055421918
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Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718
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Audi Q7 4M Front PDC Parking Distance Sensor Mythical Black Metallic - Y9T
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Audi Q2 GA Volkswagen T Roc Battery Terminal Positive Cable 5Q0971228AC
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BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 7540686 Automatic
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Mercedes W211 Alternator Generator A0121549802
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BMW X3 Series E83 Cable Loom Door Passenger Side Wiring Harness 3412570
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Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic
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BMW 3 X3 X5 E46 E53 E83 Mini R50 DVD GPS Navigation System Computer Unit DAMAGE
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BMW X3 Z4 E39 E46 E60 E65 E83 E85 Petrol M54 Starter Motor 7515390
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Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049069701
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Renault Trafic II Opel Vivaro A 1.9 DCI Alternator Generator 8200086130
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Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual
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BMW 5 7 Series E60 E61 E65 E66 Front Seat Transmission Bracket Arm 7068054
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Audi A3 8P 2.0 TDI 170HP CBBB Engine ECU Unit Kit 03L906022FD Key + Ignition
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09264978
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Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
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Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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BMW E60 LCI Light Control Module Unit Controller Lear LME6X AHL 9154944
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Body Control Unit BMW E46 E83 Basic Module GM5 Star12 6963026
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Door Module Mercedes Vito W447 Rear Right O/S Door Control Unit A4479000101
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Fuse Box Peugeot 207 308 Battery Terminal Control Unit Module 9636079380
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BMW E87 E90 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Automatic
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Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722
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BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501
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Land Rover Range Rover Engine L322 3.0d M57 306D1 Unit Module ECU DDE 7791367
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BMW X5 E60 E61 E65 E70 Longitudinal Seat Adjusment Drive Motor
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Mercedes W213 Mechatronic Automatic Gearbox Control Unit Module A7252701905
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
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BMW F10 CAS 4 Car Access System Control Module Unit ECU CAS4 CG+ELV 9282119
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Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 7852630
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VW Polo 9N Seat Body Control Comfort Unit Module BCM Convenience Unit 6Q1937049B
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BMW 3 5 Series Mini Cooper E60 E93 R55 R56 R60 IBS Negative Battery Lead
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BMW E60 E61 525d Diesel M57N 177HP Engine Control ECU Kit Module DDE 7794650
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Mercedes C140 Battery Box Boot Storage Cover A1406934633
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BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black
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BMW F07 F12 F13 LCI Camera System Unit Module Bracket Holder Mount 9186477
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Seat Leon Mk3 Headlight Module Left Right N/O/S Headlamp Ballast 7P5941591AD
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Audi Q3 8U Battery Positive Terminal Cable Plus Pole Wiring Harness 5N0971228F
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Screen Ring Mini F56 F60 Navigation Display Head Unit Trim Cover 9354397
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Volkswagen VW New Beetle 1.9 TDI BSW Engine Unit ECU Kit 038906019NN Key Manual
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AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
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Headlight Module BMW F36 Headlamp Control Unit FLE2 MAX 7429125
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Audi S1 8X Front Lamp Headlight DRL Ballast Control Module Unit 4G0907397R
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Audi Q7 4L Door Control Module Unit ECU Rear Left Right N/O/S 8K0959795B
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BMW 3 5 E60 E61 E90 LCI Display Screen 8.8" Monitor Sat Nav 9193745
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BMW 1 2 3 Series F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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BMW E87 Front Bumper PDC Wiring Loom Cable Harness Parking Sensors 7837455
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Mercedes W205 Center Console Ambient Lighting Light Wiring Harness A2055402324
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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907063AD
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BMW G30 G31 Fuse Distribution Box Holder Control Unit Bracket Carrier 9330542
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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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Battery Cable Citroen Relay Peugeot Boxer Positive Wiring Harness 1362688080
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Rain Sensor Mercedes W211 W219 Windscreen Control Unit Module A2118701585
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Mercedes W169 W211 6 Disc CD Changer Player Glove Box A2118275542
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Hands Free Control BMW E81 E87 E90 Electronics Charging Module MULF 6965406
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Negative Cable Mercedes C117 W176 Battery Lead Minus Pole Wiring A1765400009
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Mercedes W207 W212 Parktronic Parking Control Unit Module A0009003706
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BMW E90 E91 E92 IBS Negative Minus Battery Lead Cable Wire 9164352
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BMW 1 Series F20 F21 LCI 116d 116ed B37 Diesel Engine Starter Motor 8572918
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Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
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BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671
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Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
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Mercedes-Benz E-Class W210 Positive Plus Cable Wiring Cover Cap A2105451303
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Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147184
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VW Volkswagen Sharan 7N Rear Left Right Door ECU Module Control Unit 7N0959794G
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Ford Transit MK6 2.4 Diesel Engine Alternator Generator 4461712
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Audi Q7 4L 4.2 TDI Quattro Positive HV Battery Terminal Cable Harness 7L0971225
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Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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Ford Transit MK7 Positive Battery Management System Unit Module CC1T-10C652-AC
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BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
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BMW E88 Footwell ECU Xenon Light Control Module PL2 FRM II Lear 9197162
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BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME 7561834 CAS2 Key Manual
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Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 1-4 7843329
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Positive Cable BMW Z4 E89 Convertible Battery Plus Pole Power Red 9249103
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BMW F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035462
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Audi Q7 4L 3.0 TDI CASA 240HP Quattro Engine ECU Kit 4L2910401B Lock + Key
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Earth Ground Cable Renault Master Vivaro Line Strap Battery Lead 240804802R
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Nissan Primastar X83 Alternator Generator Engine Unit 8200206251
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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 .