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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Control Unit BMW E65 E66 E67 Door Front Passenger Side 6933263
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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BMW F20 F21 F30 F31 LCI B38 B48 Alternator Generator Denso 14V 220A 8645329
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BMW 1 Series E81 E87 LCI Boardmonitor Central Information Display 6,5" 9193753
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B
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Mercedes X218 CLS350 Automatic Trunk Lid Clossing Control Module A2189002002
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Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026
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Battery Cable Mercedes W176 W246 Negative Harness Lead Terminal A2469069600
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Ford Transit Mk7 Body Control Module Unit FS JCT PLN ECU CC1T-14A073-BF
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Mercedes W164 M113 Petrol Engine Starter Motor A0061510601
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Peugeot 206 2.0 HDI Diesel Engine Starter Motor 9827007180
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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Mercedes-Benz W202 W203 W208 W210 Engine Control Unit Module ECU A0305455832
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Navigation Head Unit BMW F20 F21 F30 F31 LCI F32 Radio CD Player High 2 9867503
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Mercedes W205 Rear Door Control Module Unit Right O/S ECU A2059002011
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Mercedes R171 Front Module Door Left N/S Control Unit A1718200726
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Ford Transit Connect 1.6 TDCI Engine Control ECU Module Manual DV6112A650CEC
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Mercedes W213 C238 Air Suspension Valve Block Control Unit Module A0993200258
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BMW X5 E70 Seat Control Unit Module Front Left ECU 9264976
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Mini Cooper D R60 ALL4 N47N Diesel Engine Control Unit ECU DDE 8506666 Manual
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BMW G30 Telematics Control Module ECU Unit 8720294
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BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Peugeot 206 2.0HDI 90HP DW10TD Engine Control Unit ECU 9664843780 Manual
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Audi Q3 8U 2.0 TDI DFTA 150HP Quattro Engine Control ECU 04L907309AB Manual
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BMW X5 F15 Battery Management Electronics Module Unit 7536513
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Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
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Head Unit BMW X3 F25 X4 F26 Radio Media GPS Sat Navigation Unit 6822106
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Porsche Cayenne 92A Sound Audio Amplifier Bose AMP 7P5035481D
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Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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BMW X1 E84 Wiring Harness Loom Cable Door Front Right O/S 9191419
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Fan Wiring Mercedes W639 W906 Heater Blower Unit Motor Cable Harness A0005405624
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Mini Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Manual
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BMW 5 6 Series F10 F11 F12 F13 Control Unit Box Cover 7555155
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VW Volkswagen Golf 6 Seat Altea 5P1 Gateway Control Unit Module ECU 7N0907530R
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BMW 3 Series E90 E91 E92 325D M57N2 Diesel Manual Engine Wiring Loom Harness
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Switch Panel BMW F10 F11 F13 PDC Traction Operating Unit Centre Console 9202943
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Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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Peugeot 206 Engine Alternator Generator 1638095180
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Mercedes W203 C180 Kompressor M271.946 Engine Unit ECU Kit A2719000600 Key Lock
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Renault Master 3 Vauxhall Movano B Display Screen Navigation Monitor 280563352R
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Engine Wiring BMW F10 F21 F30 LCI F36 N20 Loom Module Harness Cable 8605454
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Mercedes C117 W176 W246 Positive Battery Terminal Cover Cap Trim Red A0005465402
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Mercedes-Benz A W168 CDI Battery Terminal Positive Cable Wiring A1685401130
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Mini F55 BDC FCC BSI Fuse Box Power Distribution Control Module Unit ECU 5A402E9
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6CIT-10300-BC
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Citroen Berlingo Peugeot Partner Radio CD MP3 Player Head Unit 9666393777
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PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 6819195
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Audi A6 C7 Head Up Navigation Multimedia Screen Display Unit 4G2919601C
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Audi TT FV A3 8V Door Module Control Unit Front Right O/S Side ECU 5Q0959593D
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Audi A7 4G Q7 4L 3.0 TDI Glow Plug Pre Heat 651 Relay Unit 9 Pins 4L0907282A
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Part no. 9247476-1
BMW E84 LCI Body Comfort Control Module Unit CCM BCM 9247476
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Part no. 6894896
Active Suspension Module Bmw G20 F90 G01 G02 G05 G07 G29 6894896
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Audi A4 B9 Door Module Rear Left Right N/O/S Control Unit Module ECU 4M0959795N
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Part no. 6875827
VDC Module BMW F20 F21 F30 F31 F32 Rear Suspension Damper Control Unit 6875827
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Part no. 3M5T-11000-CF
Ford Transit Connect Starter Motor Engine Actuator Diesel 1.6 3M5T-11000-CF
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Part no. 9142453
BMW 6 Series E63 Driver Side Seat Wiring Loom Electric Harness 9142453
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Audi A6 C7 3.0 TDI CLAA Alternator Generator Engine Unit Hitachi 059903018R
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Part no. 7573863
BMW E60 E90 E92 335i 535i N54 306HP Petrol Engine Control Unit ECU DME 7573863
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Starter Generator BMW i3 I01 Hybrid 60Ah 94Ah 120Ah Rex Petrol Engine 7625712
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Fuse Relay Box Volkswagen Audi Skoda Seat Engine Bay Supply Unit 5Q0937125A
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BMW E87 E90 E91 E92 CCC CD Professional Navigation System 9138448
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Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585
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BMW E60 E61 E63 E64 Body Gateway Module KGM LOW
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Ford Transit Connect Mk2 Fuse Box Relay Unit Module AV6T14A067AD
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Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G
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BMW X1 E84 18SD sDrive Diesel N47N Engine Control ECU DDE Kit 8574351 Automatic
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Mazda 6 Mk3 GJ Bluetooth Module Control Unit ECU GHP966DH0F K2352
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Ford Transit Mk7 2.2 TDCI P8FA 85HP Engine Control ECU Kit AC11-12A650-BC Manual
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Mercedes W203 Electrical Wiring Cable Connection Media Interface A2128270026
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control DME 7613226 CAS3 Key Automatic
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BMW E60 530i Petrol M54 Engine ECU Control Unit Module DME 7533651 Automatic
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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Volkswagen Touareg 7P 3.0 TDI Fuse Box Control Module 7P0941828B
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BMW 3 Series E90 E91 LCI 325i N53 218HP ECU Kit DME CAS3 + Key 7583332 Manual
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BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9153779
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BMW F30 F31 320i N20 184HP ECU Control Unit Kit DME 7649131 Key FEM Manual
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VW Golf MK7 Body Control Module BCM Control Unit ECU Power Supply 5Q0937084DB
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Mercedes W205 Rear Door Harness Wiring Cable Left Right N/O/S A2055401542
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BMW X5 E53 3.0d M57 Earth Cable Battery Cable 7786372 12427786372
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BMW 1 3 Series F20 F21 F30 LCI Starter Motor Engine 8621840
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BMW E93 Max Brose Footwell Light Module Control Unit FRM3R PL2 Lear 9263803
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Part no. 9133281-1
BMW E93 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Part no. 9494336-1
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DDE 9494336 BDC Key
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VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
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Mercedes-Benz A-Class W168 AKS Automatic Clutch System Module Actuator Unit
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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 .