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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Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
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Negative Battery Cable Audi A1 8X Volkswagen Polo Mk5 6R Cable 6R0971228S
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Door Module Mercedes W205 W213 C253 Control Unit Rear Right O/S A1679003718
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Renault Trafic III Opel Vivaro B Air Module Control Unit ECU 93868139 985101902R
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Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
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Mercedes W447 Fuse Box Module Cover Trim Trunk A4475460064
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BMW F20 F30 Mini F60 KAFAS 2 Camera Speed Control ECU Module Unit 5A0B302
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Multimedia Player BMW X1 E84 E87 E90 E91 E92 LCI Radio Professional DAB 9302159
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Audi Q2 GA Volkswagen T Roc Battery Terminal Positive Cable 5Q0971228AC
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BMW F10 F11 X5 E70 Alternator Generator Unit Valeo 230A Diesel Engine 7807187
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PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
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BMW X1 E84 18dX N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
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Navigation Head Unit BMW E60 E61 CCC CD Professional System Controller 6974913
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VW Volkswagen Caddy Maxi Interior SRS Air Module Unit Control Sensor 2H0959655B
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Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459G
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BMW Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM II 3452683
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Piaggio X8 X9 Vespa Granturismo Immobilizer Module Control Unit CDI 58054R
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Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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BMW Mini Cooper Cabrio R57 Aerial Roof Antenna Base Unit 3453890
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BMW 1 Series E87 ECU Body Control Module Unit H2 PL2 JBBFE 6968036
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BMW 5 Series E60 E61 Cable Loom Driver's Door Wiring Harness 6972569 6972564
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BMW 5 Series E60 E61 Cable Set Door Wiring Loom Harness Driver's Side 9120773
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Fiat Doblo 1.3 Diesel Multijet 90HP Engine Control Unit Module ECU 55246588
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BMW X6 E71 Rear Trunk Battery Cover Tray Storage Box 6981050
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9159022
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Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D
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Telephone Control Module BMW F30 F32 F36 Telematics Bluetooth ATM ECE 4G 2622584
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Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Keys Lock
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Mercedes W211 W219 Navigation Reader DVD CD Player Control Unit A2118705226
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BMW X3 E83 Z4 E85 E86 Radio Business CD Player Audio Head Unit 6943437
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Mercedes Vito W639 Key Reader Ignition Lock Cable Wiring Harness A6395402710
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SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720
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Mercedes Vito W639 651.940 116 CDI 163HP Engine ECU Kit A6511501879 Lock + Key
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BMW E60 E61 E90 E91 LCI Display Screen 8.8" Monitor Sat Nav 9211969
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Mercedes H243 H247 Body Control Module BCM Unit ECU A2479005615
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666
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BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5" 3415007
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BMW E81 E87 LCI E90 E91 N43 118i 318i ECU Kit DME 7583225 CAS3 + Key Manual
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Alternator Volkswagen Transporter T5 2.0 TDI Diesel Engine 110A Bosch 06F903023L
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BMW X3 Series E83 2.0d 150HP Engine ECU Kit DDE EWS3 Key 7796571 Manual
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Engine Wiring BMW F45 Mini F60 B38 Loom Harness Injection Valve Ignition 8634244
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BMW X5 E70 Front Seat Control Unit Module ECU Left Right N/O/S 9149834
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Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Nissan Qashqai Renault Megane II Dacia Duster dCi Engine Alternator 820072829
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Gateway Module BMW F10 F11 Central Control Unit Lear ZGW-01 High 9236462
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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MINI Cooper R50 Petrol W10 116HP Engine ECU Kit DME 7542310 EWS3 Key Manual
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Mini One R56 N12 1.4 95HP Engine Control Unit Module ECU DME 7600020 Automatic
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Wiring Loom BMW X3 G01 X4 G02 B57 Harnes Diesel Engine Automatic Gearbox 8588547
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BMW 1 Series F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM Manual
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Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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BMW E87 ECU Body Control Module Junction Box PL2RR H2 9247472
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Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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Mini Cooper R56 LCI High SPEG Fuse Distribution Box 3456851
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Mini One R56 LCI R58 N16 1.6 98HP Engine ECU Kit DME 8625068 CAS 3 + Key Manual
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BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual
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Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
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Mercedes CLS W219 Head Unit CD Player Navigation Radio Audio Unit A2119060700
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Stereo Head Unit Mini Cooper One R55 R56 R57 Radio Boost CD Player 3453634
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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Audi Q7 4L Parking Control Unit ECU Module Sensor PDC 4F0919283H
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Audi A4 B8 Head Unit Radio CD Player Symphony Stereo Audio Player 8T2035195
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Body Gateway Module BMW E60 E61 LCI E63 E64 ECU Control Unit 9157156
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BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 6966615
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BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359253480 9253480
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Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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Mercedes SLK R171 Fuse Box Rear SAM Relay Control Unit Module A1715451901
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Mercedes C E Class W203 W211 Bluetooth Control Unit Module ECU A2118702726
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Engine Wiring Mercedes W176 W246 W242 M270 Loom Harness Cable A2701501433
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BMW 1 Series E87 LCI ECU Light Module Control Unit PL2 FRM II Lear 9204525
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Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
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Audi A1 GB Seat Ibiza FR Alternator Generator 140A Petrol 1.0 TSI 05E903026Q
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Mini R50 R52 R53 Radio Boost CD Player Head Unit 9142414
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Mini Cooper S R53 Positive Battery Cable Plus Pole Wire 1508931
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BMW E60 E63 E64 LCI Body module ECU 61356943062 6943062
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Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Automatic
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BMW E87 LCI Body Control Module Junction Box ECU PL2RR JBBFE IIIR 9267421
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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 .