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.
Make
Category
Subcategory
Condition
In Stock
Price

Part no. A2661540802
Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
Product currently unavailable

Part no. 4F0910223H
Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
Product currently unavailable

Part no. A2095451101
Fuse Box Mercedes W203 W209 Front Relay Control Unit Module SAM A2095451101
Product currently unavailable

Part no. 6983536
BMW E60 Light Control Unit Module LCM LM E6X MAN. LWR Lear 6983536
Product currently unavailable

Part no. 8610484
BMW F20 F21 114i N13 102HP Engine Control Unit ECU Module DME 8610484 Manual
Product currently unavailable

Part no. A2018210047
Relay Mercedes W124 Indicators Wipers Hazard Lights Relay A2018210047
Product currently unavailable

Part no. A6421501500-2
Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
Product currently unavailable

Part no. 7809000-5
BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 CAS3 + Key Automatic
Product currently unavailable

Part no. 7798000-1
BMW E60 E87 LCI E90 E91 N47 Preheating Control Glow Plug Unit Diesel Hitachi
Product currently unavailable

Part no. A0155429317
Speed Sensor Mercedes Sprinter W906 Impuls Control Unit Module A0155429317
Product currently unavailable

Part no. 5Q0959393K
Audi Q2 GA A3 8V Front Door Control Module Unit Right O/S 5Q0959393K
Product currently unavailable

Part no. A1698700289
Mercedes-Benz A-Class W169 CD Player Radio Stereo Head Unit A1698700289
Product currently unavailable

Part no. 6827072-2
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM3R 6827072
Product currently unavailable

Part no. 7514587-1
BMW Mini Cooper One R50 DME Petrol Engine Control Unit ECU Automatic 7514587
Product currently unavailable

Part no. A2045842982
Mercedes W204 Fuse Box Grouping Fuse Placement Map Card Diagram A2045842982
Product currently unavailable

Part no. 7557395-11
Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 Key EWS
Product currently unavailable

Part no. A2535406430
Mercedes X253 Front Bumper PDC Wiring Parking Sensor Loom Harness A2535406430
Product currently unavailable

Part no. A0009062722-1
Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
Product currently unavailable

Part no. 7540686-1
BMW F32 F33 F36 435i N55 306HP Engine Control Unit ECU DME 7540686 Automatic
Product currently unavailable

Part no. A2059001311
Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
Product currently unavailable

Part no. 9454320
Adblue Module BMW F40 SCR Control Unit ECU 9454320
Product currently unavailable

Part no. 7594483-3
BMW E90 E91 E92 N52 218HP Engine ECU DME Kit 7594483 Automatic
Product currently unavailable

Part no. 7600020-6
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME + CAS3 + Key 7600020 Automatic
Product currently unavailable

Part no. A2205400030
Mercedes-Benz S-Class W220 Battery Lead Cable Positive Pole A2205400030
Product currently unavailable

Part no. A0009004434-1
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
Product currently unavailable

Part no. A2168206526
Mercedes W221 Bluetooth Module Multimedia Control Unit ECU A2168206526
Product currently unavailable

Part no. 1K0971250
Skoda Octavia II Negative Battery Terminal Cable Wire Wiring 1K0971250
Product currently unavailable

Part no. 8K0035474B
Audi A4 B8 A5 8T Connector AUX Adapter Port Socket Plug 8K0035474B
Product currently unavailable

Part no. 8576341-9
BMW F20 118d F30 318d 143HP N47N Engine ECU Kit DDE 8576341 + Key + FEM Manual
Product currently unavailable

Part no. 9663593480
Peugeot 207 Airbag Module ECU Control Unit Air Bag 9663593480
Product currently unavailable

Part no. 6C1T-10300-CC
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
Product currently unavailable

Part no. 9350064
BMW G11 G12 G30 G31 Battery Cable Plus Pole Power Positive Wire Red 9350064
Product currently unavailable

Part no. 9198862
BMW 5 Series E60 E61 CIC Professional Navigation System Controller 9198862
Product currently unavailable

Part no. A1698201085
Mercedes W245 ECU Control Unit Sensor Air Module A1698201085
Product currently unavailable

Part no. 7584113-1
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 Key 7584113 Manual
Product currently unavailable

Part no. 8577835
BMW F10 F30 330d 530d 258HP Engine Control Unit N57N ECU DDE 8577835 Automatic
Product currently unavailable

Part no. 6933950
BMW Z4 Series E85 Roadster Driver's Side Door Wiring Loom Cable 6933950
Product currently unavailable

Part no. A1695403945
Mercedes-Benz B-Class W245 Central Gateway Control Unit Module ECU A1695403945
Product currently unavailable

Part no. 028903028E
Alternator Volkswagen Crafter 2.0 TDI Engine Alternator 120A Bosch 028903028E
Product currently unavailable

Part no. 7583225-5
BMW E81 E87 E90 120i 320i Engine N43 ECU Kit DME 7583225 + CAS3 Key Automatic
Product currently unavailable

Part no. YC15-10A687-A9W
Ford Transit Battery Cover Fuse Box Trim Panel Lid YC15-10A687-A9W
Product currently unavailable

Part no. 7567178-6
BMW E60 E65 E85 E90 E91 Petrol N52 ECU Engine Control Unit DME 7567178 Manual
Product currently unavailable

Part no. 7807530-1
BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7807530 CAS 3 + 2 Keys
Product currently unavailable

Part no. 7565300-3
BMW E87 E90 E91 118i 318i N46 ECU Kit DME 7565300 CAS3 + Key Manual
Product currently unavailable

Part no. 6819426
Mini F55 F56 EVO HU Head Unit Basic Media Navigation Headunit Module 6819426
Product currently unavailable

Part no. AC1112A650BC-1
Ford Transit MK7 2.2 TDCI P8FA Diesel Engine Control Unit ECU AC1112A650BC
Product currently unavailable

Part no. 8377415-1
BMW 5 6 Series E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
Product currently unavailable

Part no. 7788680-3
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit
Product currently unavailable

Part no. 7580279-3
BMW E87 LCI E90 120i 320i N43 170HP ECU Engine Control Unit DME Manual Gearbox
Product currently unavailable

Part no. 7515030-2
Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030
Product currently unavailable

Part no. 9157155
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
Product currently unavailable

Part no. A2107600204
Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
Product currently unavailable

Part no. 9221135
BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09221135 9221135
Product currently unavailable

Part no. 8600124-2
Mini One R56 LCI R60 N16 Engine Control Unit ECU DME 8600124 + CAS3 Automatic
Product currently unavailable

Part no. 0AM911024A
Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A
Product currently unavailable

Part no. 8P0919283D
Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU 8P0919283D
Product currently unavailable

Part no. A0005400372
Mercedes-Benz E-Class W210 Diesel Fuse Box Relay Control Unit A0005400372
Product currently unavailable

Part no. 5Q0919283E
Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E
Product currently unavailable

Part no. 7527610-7
MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Key Manual
Product currently unavailable

Part no. A2139007107
Mercedes W213 Seat Control Module Unit ECU A2139007107
Product currently unavailable

Part no. 9813622-1
Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
Product currently unavailable

Part no. 7600020-4
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600020 CAS3 Key Manual
Product currently unavailable

Part no. A2139009722
Mercedes W213 SAM Body ECU Control Module Unit A2139009722
Product currently unavailable

Part no. 3457587-1
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
Product currently unavailable

Part no. A2661500101
Mercedes-Benz A B Class W169 W245 48V Starter Alternator Generator A2661500101
Product currently unavailable

Part no. 1729981-1
BMW 5 7 X5 E34 E38 E39 E53 Petrol Engine Starter Motor 1729981
Product currently unavailable

Part no. BK3T-11000-CB
Starter Ford Transit MK8 Custom V363 2,2 Tdci Starter Motor BK3T-11000-CB
Product currently unavailable

Part no. 7849446
BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446
Product currently unavailable

Part no. 9659186280
Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
Product currently unavailable

Part no. 7533651-8
BMW E60 530i M54 231HP Engine ECU Kit Unit DME 7533651 + CAS2 + Key Automatic
Product currently unavailable

Part no. 1432521-1
BMW E36 316i Engine M43 102HP ECU Kit DME 1432521 + EWS II + Key Manual
Product currently unavailable

Part no. A2138203202
Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202
Product currently unavailable

Part no. 7553735-1
Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
Product currently unavailable

Part no. AC1T10300BB
Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
Product currently unavailable

Part no. 8510221-5
BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
Product currently unavailable

Part no. 0263004204
PDC Module Citroen C4 Berlingo Peugeot Parking Assist Control 0263004204
Product currently unavailable

Part no. A2094400705
Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
Product currently unavailable

Part no. 95710-1h700
Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
Product currently unavailable

Part no. 7557809-10
BMW E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
Product currently unavailable

Part no. 6925897
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
Product currently unavailable

Part no. 6988086
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
Product currently unavailable

Part no. 06J903023A-1
Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023A
Product currently unavailable

Part no. A2125452640
Mercedes W212 Control Unit Module Bracket Holder Mount A2125452640
Product currently unavailable

Part no. 7561834-11
BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Key 7561834 Manual Gearbox
Product currently unavailable

Part no. 9646321780
Alternator Generator Peugeot 207 Diesel 12V Electrical Unit 9646321780
Product currently unavailable

Part no. 079911021D
Audi Q7 4L Engine Starter Motor Actuator Starter 079911021D
Product currently unavailable

Part no. A2139009020
Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
Product currently unavailable

Part no. 4E0906093B
Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B
Product currently unavailable

Part no. 6317177
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 6317177
Product currently unavailable

Part no. A1718206226
Mercedes R171 Door Control Module Front Right O/S A1718206226
Product currently unavailable

Part no. 9118469
BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
Product currently unavailable

Part no. A6395450601
Mercedes Vito W639 SAM Module Electric Control Unit A6395450601
Product currently unavailable

Part no. 6942505
Mini R50 Battery Cable Positive Plus Pole Wiring W17 Diesel 6942505
Product currently unavailable

Part no. A2208208410
Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
Product currently unavailable

Part no. 06D903016AB
Audi A4 B7 1.8 T BFB Petrol Engine Alternator Generator 06D903016AB
Product currently unavailable

Part no. 3C0907521
Heater Resistor Volkswagen VW Touran 1T Blower Motor Fan Resistor 3C0907521
Product currently unavailable

Part no. 7N0959792J
VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
Product currently unavailable

Part no. 6964602
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
Product currently unavailable

Part no. 4L0910110A
Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
Product currently unavailable
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 .