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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Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809
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VW Volkswagen Sharan 7N Rear Left Right Door ECU Module Control Unit 7N0959794G
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
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Audi Q7 4M Rear Bumper PDC Parking Sensor Wiring Harness Loom 4M0971104CB
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Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
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BMW E65 E66 Control unit power ECU module 6957026
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Audi A5 8F 2.0 TDI CGLC 177HP Diesel Engine Control Unit ECU 03L906018JG Manual
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Ford Transit Starter Motor Engine 2033125
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BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585
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Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
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Audi A8 D4 4H Rear View Reverse Parking Camera Module Control Unit 4S0907441B
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Mercedes Sprinter W906 Fuse Box SAM Control Unit Module A9069004700
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VW Volkswagen Golf 5 Radio CD Player Stereo Head Unit 1K0035186AD
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Audi A4 B7 Harman Becker Bluetooth Module Interface Control Unit 8P0862335Q
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Audi A1 8X Negative Battery Terminal 8K0915181L
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VW Volkswagen Polo Mk5 6R Radio Multimedia Display Navigation Unit 6C0919603A
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Mercedes Sprinter W906 Front Left Door N/S Handle Bowden Pull Cable A9067601204
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Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 CAS3 Key Automatic
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BMW Mini Cooper One D R55 R56 Engine Starter Motor Diesel Valeo 7805098
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BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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Audi A4 B9 2.0 TDI DETA Engine Starter Motor Actuator Starter 04L911024A
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME + CAS3 + Key 7600020 Automatic
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BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6843898
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BMW F01 F02 F20 F21 Interior Antenna Aerial Convenience Comfort Access 9144260
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Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706
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BMW E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217
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BMW E65 Navigation GPS DVD System Computer Unit 6959114
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VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 505 7 Pins 6R0919433
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Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
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Porsche Boxster 986 Radio Audio System Head Unit CDR-22 Becker BE4467 BE6621
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BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
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Mercedes W205 Center Console Ambient Lighting Light Wiring Harness A2055402324
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BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
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Parking Sensor Mini Cooper F54 F55 F56 F57 F60 PDC Ultrasonic Black 9274428 SET
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Audi Q3 8U 2.0 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121F
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Mini R50 R52 Petrol W10 Compact Alternator Generator 105A 7515029
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BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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Mini Cooper R60 R61 Trailer Towing Control Module Cover Bracket 9805654
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Peugeot 5008 2.0 HDI DW10C Diesel Engine Control Unit ECU 9667082380
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BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 90847906
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BMW F06 F12 F25 Wireless Charger Centre Console Phone Charging Module 6826897
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BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804
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Mercedes W204 C200 Fuse Box Front SAM Control Module Relay Box A2129008207
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BMW F45 F46 Head Up Display Hud Project Dash Screen Control Unit 9389363
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BMW X5 Series E70 Driver Side Front Right O/S Door Cable Harness Wiring 9207841
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BMW E60 E61N LCI E65 EDC-K Control Unit Moudule ECU 6759599
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Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Engine Wiring Mercedes W212 Diesel OM651 Cable Loom Harness A6511505933
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Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107
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Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9213187
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Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
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Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
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BMW F20 F21 F22 F30 Radio BMW Professional CD DAB Player Controller 9341082
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VW Volkswagen Touran Golf Polo Interface Module Multimedia Control 5N0035342B
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Audi Q7 4L Engine Starter Motor Actuator Starter 079911021D
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BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
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Volkswagen Golf Mk5 V Body Control Comfort Unit Module 1K0959433AJ
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Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
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Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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Audi A4 B8 A5 8T 2.0 TDI Diesel Engine Starter Motor Assembly Unit 03L911024A
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BMW E38 Headlight Light Check Module Control Unit ECU Lear LCM II 8372875
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Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic
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Audi Q7 4L Parking Control Unit ECU Module Sensor PDC 4F0919283H
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Skoda Fabia Mk2 5J Engine Alternator Generator Unit 14V 110A 06F903023D
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Exhaust Flap Control Mercedes C117 W176 W246 Actuator Drive Unit A0009061201
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Starter Mercedes W177 W247 C118 1.5 OM608 Diesel Starter Motor A6089060100
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Mini Cooper SD ALL 4 R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual Gearbox
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Module BMW F10 Central Gateway Control Unit Module ZGW-01 High 9244261
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Alpine CHM-S630 CD Changer Multichanger 6-disc Magazine Cartridge
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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 .