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 TT 8N Headlight Module Ballast Relay Control Unit 4B0919471A
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501
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BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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BMW X1 E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797
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Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063DC
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Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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Fuse Box Mercedes W169 W245 Electrical Relay Control Unit A1695450540
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PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007
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Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038705089
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Engine Sound Generator Mercedes W177 W213 GLC C253 Front Rear Unit A2239016902
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BMW E60 E90 E91 LCI 330i 530i N53 272HP ECU Kit DME 7616431 CAS3 + Key Automatic
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Porsche Cayenne 92A Fuel Tank Gauge Right O/S Sender Control Unit TDI 7P0919673
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BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970
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Audi Q3 8U Head Unit Navigation Multimedia Control Unit 8U0035193CX
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BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Citroen C4 1.6 HDI Diesel Engine Control Unit ECU Module EDC 9665674480
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Porsche Cayenne 9PA Sensor ABS Wiring Harness Front Left Right N/O/S 7L0971279
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Volkswagen VW Golf Mk7 Infotainment Radio Multimedia Head Unit 3Q0035874A
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BMW E65 E66 Front Seat Occupancy Sensor Mat 6914666
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Mercedes CLK W202 W208 Battery Negative Earth Cable Wiring A2025400231
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VW Volkswagen Sharan Front Door Left Right N/O/S Speaker Loudspeaker 7N0035454A
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Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
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Mercedes ML W163 Engine Starter Motor A0051512901
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Mercedes-Benz C W203 Front Left Right Door Wiring Loom Harness A2035407608
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Seat Module BMW F10 F11 Front Left N/S Control Unit SM MF/M - HL 9248565
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Mercedes ML W166 Door Control Module Unit ECU Front Right O/S A1669007609
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Mercedes-Benz E W207 Cabrio A207 Auxilliary Battery Bracket A2075452540
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Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE CAS 3 Key 8519663
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Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469013702
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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Mercedes W203 Fuse Box SAM Control Unit Module Relay A2035454501
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BMW 1 3 5 Series E87 LCI E90 E60 Hands Free Bluetooth Module High MULF2 9178898
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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609
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Citroen Berlingo Peugeot Partner CD Player Radio Stereo Head Unit 98053736XT00
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BMW X5 Series E53 Rear Bumper PDC Cables Set Wiring Loom Harness 6906347
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Mini Cooper R55 R56 R57 2 Radio Boost CD Audio Player Head Unit 3455539
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BMW 1 Series E87N LCI Light Module LOW LCM Footwell Module PL2 FRM II 9166706
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VW Volskwagen Polo 6R Multimedia Electronic Control Interface Module 5N0035342F
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Mini Cooper S JCW R56 N14 1.6 211HP ECU Kit DME CAS3 Key 7590857 Manual
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Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6948336
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Engine Starter Motor BMW X5 E70 LCI F01 N57 Diesel Starter Actuator 8515900
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BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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Volkswagen Phaeton 3D Engine Alternator Generator 14V 190A 5.0 Diesel 07Z903021F
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Audi A3 8P Body Control Comfort Unit Module BCM Unit ECU 8P0907063N
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU Lear FRM PL2 9286887
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BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9352865 Manual
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BMW 1 3 Series E87 LCI E90 E91 E92 Radio CD Professional 9144773
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BMW E90 E91 E92 N52 218HP Engine ECU DME Kit 7594483 Automatic
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Mercedes W203 Front SAM Control Unit Module Fuse Box A2035454101
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BMW E90 Radio CD Player Professional 6975013
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Mercedes-Benz A W168 CDI Battery Terminal Positive Cable Wiring A1685401130
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BMW 5 7 X5 Series E34 E38 E39 E53 Petrol Starter Motor 1729981
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6976154
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
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Parktronic Mercedes Sprinter W901 W903 Front Bumper PDC Wiring Loom Harness
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Volkswagen VW Golf Mk5 1.6 2.0 GTI Petrol Engine Starter Motor 02M911023M
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BMW E46 E53 Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 9131852
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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VW Golf 5 Steering Angle Steering Wheel Column Control Module 1K0953549CA
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Renault Master III DCI Alternator Support Bracket Mount 117103585R
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Mini One D R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8519663 + CAS3 + Key
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Mercedes GLE 250 AM Tailgate Trunk Control Module Unit A1669008512
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Engine Wiring BMW F20 F21 F30 120dX 320dX N47N Loom Harness Cable Module 8586168
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BMW E89 Max Brose Footwell Light Module Control Unit ECU FRM3R 9249086
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Audi Q5 FY Front Windscreen Windshield Lane Assist Camera 80A907217A
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Audi Q5 8R Body Control Module ECU Control Unit 8K0907064KG
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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 .