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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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 Key 7584113 Manual
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Alternator Volkswagen Crafter 2.0 TDI Engine Alternator 120A Bosch 028903028E
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BMW E81 E87 E90 120i 320i Engine N43 ECU Kit DME 7583225 + CAS3 Key Automatic
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BMW E60 E65 E85 E90 E91 Petrol N52 ECU Engine Control Unit DME 7567178 Manual
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Mini F55 F56 EVO HU Head Unit Basic Media Navigation Headunit Module 6819426
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Ford Transit MK7 2.2 TDCI P8FA Diesel Engine Control Unit ECU AC1112A650BC
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BMW 5 6 Series E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit
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BMW E87 LCI E90 120i 320i N43 170HP ECU Engine Control Unit DME Manual Gearbox
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Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030
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Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
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Mini One R56 LCI R60 N16 Engine Control Unit ECU DME 8600124 + CAS3 Automatic
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Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A
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Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU 8P0919283D
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Mercedes-Benz E-Class W210 Diesel Fuse Box Relay Control Unit A0005400372
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E
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MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Key Manual
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Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600020 CAS3 Key Manual
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Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Mercedes-Benz A B Class W169 W245 48V Starter Alternator Generator A2661500101
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BMW 5 7 X5 E34 E38 E39 E53 Petrol Engine Starter Motor 1729981
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Starter Ford Transit MK8 Custom V363 2,2 Tdci Starter Motor BK3T-11000-CB
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Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
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BMW E60 530i M54 231HP Engine ECU Kit Unit DME 7533651 + CAS2 + Key Automatic
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BMW E36 316i Engine M43 102HP ECU Kit DME 1432521 + EWS II + Key Manual
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Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202
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Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
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BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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PDC Module Citroen C4 Berlingo Peugeot Parking Assist Control 0263004204
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Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
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Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
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BMW E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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Mercedes W212 Control Unit Module Bracket Holder Mount A2125452640
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BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Key 7561834 Manual Gearbox
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Alternator Generator Peugeot 207 Diesel 12V Electrical Unit 9646321780
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Audi Q7 4L Engine Starter Motor Actuator Starter 079911021D
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Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
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Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B
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BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 6317177
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Mercedes R171 Door Control Module Front Right O/S A1718206226
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BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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Mercedes Vito W639 SAM Module Electric Control Unit A6395450601
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Mini R50 Battery Cable Positive Plus Pole Wiring W17 Diesel 6942505
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Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
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Audi A4 B7 1.8 T BFB Petrol Engine Alternator Generator 06D903016AB
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Audio Speaker BMW F20 F21 F23 F30 Mid-Range Sound Speaker Stereo HiFi 9288769
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Heater Resistor Volkswagen VW Touran 1T Blower Motor Fan Resistor 3C0907521
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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Citroen Relay Peugeot Boxer Fiat Ducato Fuse Box Control Unit 1367661080
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VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual
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BMW E87 E90 E91 Professional CCC Navigation System Controller
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Audi Q7 4L 3.0 TDI CASA 240HP Quattro Engine ECU Kit 4L2910401B Lock + Key
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Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700594
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Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH
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Mercedes W202 C208 W210 Fuse Box SAM Relay Control Unit Module A0195455632
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BMW 3 5 X5 Series E39 E46 E53 3.0i M54 Generator Alternator 120A VALEO 7501593
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Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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BMW 1 3 Series E87 E90 ECU N45 116i 316i Engine Motor Control Unit DME 7545046
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BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768
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BMW Z4 E89 Roadster 30i N52N 258HP Engine Control Unit ECU DME 7609656 Automatic
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Mercedes W213 Alternator Generator 200A 14V A0009063003
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Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104
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Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Mercedes W213 Front Seat Control Unit Module ECU A2139008309
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Head Unit Kia Ceed MK1 ED SW Radio CD Player MP3 RDS Unit 96160-1H000
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BMW 5 6 E60 E61 LCI M5 E63 E64 M6 Engine Starter Motor 7835737
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BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Kit DDE 8510592 CAS3 Key Manual
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Mercedes CLK W209 Convertible Fuse Box Rear SAM Module Control Unit A2095450901
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BMW X3 F25 20dX 190HP B47 Engine Control Unit ECU Kit DDE 8588946 Key CAS4
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Immobilizer Antenna Ford Transit MK8 Control Module Unit BK2T15607AC
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BMW E88 Footwell Light Module Control Unit ECU Basis PL2 FRM3R 9308361
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BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 1 Cigarette Lighter Socket 6973036
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Audi A3 S3 8V Negative Battery Terminal Earth Cable Lead Wiring 5Q0971250AB
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BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6947416
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Mercedes C219 CLS350 CDI OM642.920 Engine Module ECU A6421501230 Automatic
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Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501
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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 .