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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Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
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Mini F57 Cabrio Antenna Aerial Amplifier AM / FM Rear Unit Module FM2 9309990
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BMW F30 F36 Telematics Bluetooth Control Unit Module ECU 2622593
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Mini Cooper R50 Engine W10 116HP Engine ECU Kit DME 7513983 EWS Key Automatic
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Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Body Control Module Mercedes W117 W176 W242 W246 Fuse Box Sam A2469008510
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Toyota Yaris XP10 Door Control Module Unit ECU 859800D060
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Mini Cooper R56 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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VW Volkswagen Sharan 7N Driver's Side Door ECU Module Control Unit 7N0959793F
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BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Key CAS4
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BMW Z4 E85 2.5si N52 218HP Engine ECU Control Unit DME 7561684 Manual
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BMW E70 E90 E91 E92 DVB-T TV Tuner Module Control Unit Video FUBA 9240643
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BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
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Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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BMW X5 E70 Footwell Light Module Control Unit ECU VDM PL4 FRM II Lear 9176826
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BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8661071
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Mini Cooper R56 Footwell Light Module High EKS PL3 FRM3R 3457402
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Audi S5 8T Amplifier Speaker Bang & Olufsen Control Module Unit 8T0035223AN
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Ford Transit Custom Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-DC
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Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
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Chrysler Grand Voyager 2.8 CRD ENR Engine Water Inlet Hose Tube Line 5066883AB
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BMW F46 LED Headlight Control Module Unit 1308310404
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BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7807828 CAS3 + Key
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Mercedes W220 Headlight Head Lamp Control Module Unit A2208203685
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BMW Z4 Series E89 Cabrio Roadster Radio Antenna Mast Aerial FM Bumper 9123994
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Audi A4 B8 2.0 TDI Alternator Mount Tensioner Pulley Bracket Support 03L903143K
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BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic
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BMW F45 F46 F55 F60 B37 B47 Engine Starter Motor 8581788
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Air Bag Module BMW E65 E66 Sensor Rear Seat Airbag Control Unit ECU 6960226
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126943437 6943437
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Mercedes W212 COMAND Radio Head Unit Navi CD DVD Player Navigation A2129003708
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BMW 3 Series E93 Negative Battery Lead Cable 7599959
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Mercedes CLC CL203 Trunk Lid Tailgate Left N/S Wiring Cable Harness A2035406609
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Mini Cooper D R60 ALL4 N47N Diesel Engine ECU Kit DDE 8506666 CAS3 Key Manual
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BMW F20 F30 F32 120d 320d 420d N47N 184HP ECU Kit DDE 8517862 + Key + FEM Manual
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R
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Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
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BMW E87 LCI CCC CD Professional Navigation System Controller 9185532
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Mercedes W169 W245 M266.920 95HP Engine Control ECU Kit A2661539779 Manual
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Audi A3 8V 2.0 TDI DFGA Diesel Starter Motor 02E911022C
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Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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CD Changer Mini Cooper R50 R52 R53 6-Disc Multichanger with Magazine 6946989
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BMW 7 Series E65 E66 E67 Sensor B-Pillar Airbag Right O/S 6970894
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BMW F10 520d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 + Key
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BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A656B7
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Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
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Transmission Module Mercedes C117 AMG Petrol OM133 Gearbox Control A0009002010
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Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R Lear 3457031
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Mercedes Sprinter W906 SAM Module Fuse Box Relay Control Unit A9069006701
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BMW X1 E84 Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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BMW 1 X1 Series E81 E84 E87 RR1 Battery Lead Cable Negative IBS 6948335
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BMW 5 6 Series E60 E61 E63 E64 Control Unit CAS 2 Module 6943851
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BMW E81 E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Automatic
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Mercedes W164 Battery Starter Alternator Wiring Harness Cable OM642 A1645401730
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BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Unit ECU DDE 8576341 Automatic
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Fiat Doblo Engine Wiring Loom Cable Harness 55230143
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BMW X1 F48 Mini F55 F56 B37 B47 Engine Alternator Generator Denso 150A 8627124
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BMW E60 E90 E91 330i 530i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Mercedes W221 S320 CDI 642.930 235HP Engine Control ECU A6421507391 Automatic
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Volkswagen Golf Mk8 Audi Q2 GA A3 8V 8Y 1.5 TSI Alternator 14V 140A 05E903026K
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Air Intake Duct Citroen Relay Peugeot Boxer Fiat Ducato Air Intake 1306522070
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356
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BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
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Skoda Octavia II BKD 2.0 TDI Starter Motor 02E911023L
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BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
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BMW E87 LCI E90 118i 318i N43 143HP ECU KIT DME 7599881 CAS3 + Key Automatic
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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 .