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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BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 7811111 Manual
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314
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Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
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Radio Panel Mercedes W176 W242 W246 Radio Multimedia Switch Control A2469009412
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Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118705694
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Key Manual
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Fuse Box Mercedes W203 C209 Rear SAM Module Relay Control Unit A2035453801
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Skoda Octavia II 5 Pin Black Relay Control Module Unit Set Kit 8Z0951253
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Radio CD Player VW Volkswagen Caddy 2K Touran Head Unit 1K0057186AN
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Peugeot 207 1.4 HDI Fuse Box BSI Control Unit Module ECU 9659285480
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BMW 1 Series E87 ECU Body Control Module Unit PL2 JBBFE L2 6964597 61356964597
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BMW E46 Petrol Engine Starter Motor 1,4kW 7505979
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VW Volkswagen LT 35 BBF 95HP Engine Control Unit Module ECU 074906018BD Manual
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Starter Mercedes W177 M282 Petrol Engine Starter Motor A2829062400
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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Audi A6 C6 Body Control Comfort Unit Module BCM Convenience Unit 4F0907279B
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Audi Q2 GA Online Services Control Module ECU Control Unit 5WA035282
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Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542
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BMW E60 E61 Body Gateway Module KGM HIGH 9118729
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Door Cable BMW F36 Rear Left Right N/O/S Wiring Harness 9325917
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Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9144776
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BMW E60 E81 E87 E90 E91 CAS 3 Control Unit ECU Key Reading Module CAS3 9147195
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Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3423829
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BMW E81 E87 LCI E90 E91 120d 320d N47 177HP ECU KIT DDE 8506438 CAS 3 Key
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Mini Cooper R56 R57 LCI R58 R59 R60 CD Radio Audio Player Control Unit 3457433
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Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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Renault Trafic 3 Vauxhall Vivaro B Airbag Module Air Bag Unit ECU 985106142R
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Peugeot Boxer Body Control Module Control Unit BCM Fuse Box 1371887080
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BMW 6 Series E63 E64 LCI Rear Bumper PDC Loom Cables Wiring Set 9126978
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Alternator Generator Peugeot 207 Diesel 12V Electrical Unit 9646321780
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Mercedes W140 Seat Heated Heating Control Unit Module ECU A1408201526
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BMW E60 E90 E91 330i 530i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Ford Focus MK2 Mondeo MK4 1.8 TDCI Glow Plug Wiring Loom Cable Wire 4M5Q6M091AB
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Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Audi A5 8T Headlight Lightning Control Module LCM Unit ECU 89500248
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Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 Key EWS
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Earth Ground Cable Renault Master Vivaro Line Strap Battery Lead 240804802R
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201
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Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
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Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
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SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
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BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic
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BMW E39 Audio Amplifier Radio Sound System Hifi AMP Control Module 8362444
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Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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BMW 5 Series E60 E61 PDC Parking Sensor Front Carbonschwarz Black 6989071
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BMW 5 6 7 E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6922785
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BMW E87 E90 E91 Professional CCC Navigation System Controller 9117563
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Mercedes W906 OM651.957 Diesel Engine ECU Kit Unit A6519002600 Key Lock Manual
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BMW E87 E90 120i 320i N46 150HP ECU Engine Control Unit DME 7552176 Automatic
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Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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BMW 1 3 Series E81 E87 LCI E90 116i 316i N45N ECU Kit DME 7567321 + CAS3 + Key
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BMW E87 E90 Navigation System Professional CCC Navi Controller 6987692
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BMW 3 5 6 Series E60 E63 E90 E92 Crossover Frequency Unit Module Door 7838929
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Volkswagen Crafter 30-35 2E Amarok 2.0 TDI Engine Starter Motor 2H0911023F
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Peugeot 307 Citroen Berlingo C4 Glow Plug Wiring Loom Cable Wire 9657700780
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BMW E39 E46 M52 Engine Automatic Gearbox Basic Control Unit Module EGS 1423642
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BMW X1 E84 Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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Air Module Sensor BMW E60 E61 E63 Left B-pillar N/S 6974364
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Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
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BMW F10 F11 On Board Display Central Information Screen Monitor 10" 9243897
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Mini Cooper One R50 DME Petrol Engine Control Unit ECU 7514587 Manual
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Mercedes W203 Door Module Control Unit Front Left N/S A2038201585
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Mercedes W202 Ignition Engine Control Unit Module C180 M111 Petrol A0185454132
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Mercedes W169 200CDI OM640.941 140 HP Engine Module ECU Kit A6401502579 Key Lock
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Display Screen Peugeot Partner Expert Multifunction Dashboard Clock 9665614680
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BMW MINI Cooper One R50 Rear Bumper PDC Cables Wiring Loom Set
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Mercedes CLK W209 Convertible Fuse Box Rear SAM Module Control Unit A2095450901
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BMW 3 E90 E91 LCI 325i N53 218HP ECU Engine Control Unit DME 7592080 Automatic
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BMW E60 IBS Negative Battery Lead Cable Connector 6944687
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Mercedes-Benz W202 C208 W208 Parking Sensor Wiring Cable Rear PDC A2085403508
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BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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Mercedes W164 ML320 4-Matic OM642.940 Diesel Engine Unit ECU Kit A6421509478 Key
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Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
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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 .