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. 8570238-1
BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 0001109070
Product currently unavailable
Part no. 9877373
Head Unit BMW F22 F23 X3 F25 F32 F33 F36 Navigation Sat Nav DAB Harman 9877373
Product currently unavailable
Part no. 3C8937049AC
Skoda Octavia II On-Board Power Unit BCM Body Control Module 3C8937049AC
Product currently unavailable
Part no. 7805350-1
BMW X3 Series E83 3.0d M57N2 218HP ECU Kit DDE + EWS + Key 7805350 Automatic
Product currently unavailable
Part no. 8E9035223D
Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
Product currently unavailable
Part no. 8781486
Voltage Terminal BMW X3 G01 X4 G02 Battery Power Distributor 600W 8781486
Product currently unavailable
Part no. 8582521-2
BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU DDE 8582521 FEM Lock Key
Product currently unavailable
Part no. 8380889
BMW 3 Series E46 Door Wiring Loom Harness Co-Drivers Passengers Side 8383351
Product currently unavailable
Part no. YUASA YBX 3000 45Ah Accumulator
YUASA YBX 3000 12V Accumulator Battery 45Ah 440A YBX3063
Product currently unavailable
Part no. 8375497
BMW E39 Cruise Control Unit Module 8375497
Product currently unavailable
Part no. 3457167
Mini R57 Fuse Box Board PL3 SPEG 3457167
Product currently unavailable
Part no. 1388601080
Fuse Box Citroen Relay Peugeot Boxer Fiat Ducato Engine Bay Relay Box 1388601080
Product currently unavailable
Part no. rhd-A2074401809
Mercedes-Benz E-Class A207 Left Door Wiring Cable Harness A2074401809
Product currently unavailable
Part no. 5QS959107A
Audi S3 8Y Rear Boot Trunk Lid Tailgate Control Unit Module ECU 5QS959107A
Product currently unavailable
Part no. A6461532891-1
Mercedes W639 111CDI OM646.982 Engine Control Unit ECU Kit A6461532891 Key Lock
Product currently unavailable
Part no. A2125406950
Mercedes W212 SAM Fuse Prefuse Box Relay Control Unit A2125406950
Product currently unavailable
Part no. 6935462
BMW 5 X5 Series E39 E53 Light Check Module Control Unit ECU Lear LCM IV 6935462
Product currently unavailable
Part no. 7835564-1
BMW E46 M3 S54 343HP ECU Engine Control Unit Kit DDE 7835564 CAS3 + Key Manual
Product currently unavailable
Part no. A6229000500-2
Mercedes W447 109CDI BE OM622.951 88HP Engine Module ECU Kit A6229000500 Manual
Product currently unavailable
Part no. A2129005622
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
Product currently unavailable
Part no. rhd-9221787
Seat Wiring BMW X5 E70 LCI Sport Memory Cable Loom Set Passenger's Side 9277235
Product currently unavailable
Part no. 8506666-1
Mini One R56 LCI 90HP N47N Diesel Engine ECU Kit DDE CAS 3 Key 8506666
Product currently unavailable
Part no. A4479058203
Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
Product currently unavailable
Part no. 6933959
BMW Z4 Series E85 Roadster Passenger Side Door Wiring Loom Cable 6933959
Product currently unavailable
Part no. 8674265-1
BMW F20 F30 F31 LCI 118i 318i B38 136HP Engine ECU Kit DME 8674265 + FEM + Key
Product currently unavailable
Part no. A9105409455
Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
Product currently unavailable
Part no. 7620987-2
Mini R56 LCI One 55kW N16 1.6 75HP Engine ECU Kit DME CAS 3 + Key 7620987
Product currently unavailable
Part no. A6519005203-6
Mercedes W205 C 220d 651.921 170HP ECU Kit A6519005203 SAM 2 Keys Lock Automatic
Product currently unavailable
Part no. A2219006404-1
Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
Product currently unavailable
Part no. A6429002900-10
Mercedes W164 ML350 CDI 642.820 231HP Engine ECU Kit A6429002900 Ignition + Key
Product currently unavailable
Part no. BK2T14B476DU
Ford Transit Custom BCM Body Control Module Unit ECU BK2T14B476DU
Product currently unavailable
Part no. 8583575
BMW F07 F10 F11 F12 Diesel N57 Engine Wiring Injection Wiring Harness 8583575
Product currently unavailable
Part no. A2129004208
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129004208
Product currently unavailable
Part no. A6429007201
AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201
Product currently unavailable
Part no. 8702093-2
Mini F56 Head Up Display Car System Hud Screen Monitor 8702093
Product currently unavailable
Part no. 4H0959795J
Porsche Cayenne 92A Rear Door Module Control Unit Left Right N/O/S 4H0959795J
Product currently unavailable
Part no. A2045451669
Mercedes W204 Fuse Box Relay Module SAM Electrical Control Module A2045451669
Product currently unavailable
Part no. 8578944-2
BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual
Product currently unavailable
Part no. 4L0910409C-1
Audi Q7 4L 4.2 TDI BTR Engine Contol Unit ECU Kit 4L0910409C Key Automatic
Product currently unavailable
Part no. A2218705192
Mercedes W221 Door Module Front Left N/S Control Unit ECU A2218705192
Product currently unavailable
Part no. A1111532579
Mercedes W203 C180 M111.951 129HP ECU Engine Module Unit A1111532579 Automatic
Product currently unavailable
Part no. LXF2245AA
Jaguar XJ XJ6 XJR X300 Lamp Light Control Unit Module ECU LXF2245AA
Product currently unavailable
Part no. 13381053
Display Screen Vauxhall Opel Zafira B Multifunctional Digital Screen 13381053
Product currently unavailable
Part no. 8N7962267E
Audi TT 8N Convertible Comfort Control Module CCM Unit ECU 8N7962267E
Product currently unavailable
Part no. 9192680
BMW 5 6 E60 LCI E63 Radio CHAMP Business Player System Controller 9192680
Product currently unavailable
Part no. 7790220-2
BMW X5 E53 3.0d M57 184HP Engine Control ECU Kit DDE EWS3 Key 7790220 Automatic
Product currently unavailable
Part no. 3457528
Mini Paceman R61 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
Product currently unavailable
Part no. A1679002729
Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679002729
Product currently unavailable
Part no. 5E001
Relay Black Control Unit 4 Pin 12V 5E001
Product currently unavailable
Part no. A6394400127
Mercedes Vito Viano W639 Battery Cable Positive Wiring Harness A6394400127
Product currently unavailable
Part no. A2218705792
Mercedes W221 Door Module Rear Left N/S Control Unit ECU A2218705792
Product currently unavailable
Part no. 259203567R
Renault SD Card TomTom Map Pilot Navigation Europe 259203567R
Product currently unavailable
Part no. 5Q0959655A
Audi A3 8V Air Module Control Unit SRS System ECU 5Q0959655A
Product currently unavailable
Part no. 13324133
Vauxhall Opel Zafira B PDC Module Parking Assist Control Unit ECU 13324133
Product currently unavailable
Part no. 56038407AF
Jeep Grand Cherokee WJ Hifi Radio Audio Sound Amplifier AMP Module 56038407AF
Product currently unavailable
Part no. 5A12E91
BMW F44 G20 G21 RP Head Unit Radio Media GPS Sat Navigation Unit 5A12E91
Product currently unavailable
Part no. 6959145-1
BMW E81 E82 X1 E84 E87 E90 E91 Radio Stereo Business CD Player Head Unit 6959145
Product currently unavailable
-40%
Part no. 7304589
BMW F01 F02 Headlight Module LEAR TMS Headlamp Control Unit Module 7304589
Product currently unavailable
Part no. 8617050-4
Mini Cooper R56 LCI R58 R59 N16 1.6 122HP Engine ECU DME 8617050 Manual
Product currently unavailable
Part no. 9321014
BMW F01 Display Screen On Board Sat Nav Central Information Monitor 9321014
Product currently unavailable
Part no. A1765404609
Mercedes W176 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201
Product currently unavailable
Part no. A2711530691-1
Mercedes C209 200 Kompressor 271.940 163HP Engine ECU Kit A2711530691 Key Lock
Product currently unavailable
Part no. 7796680
BMW E60 E61 535d M57N Engine Control ECU DDE 7796680 + CAS2 + Key Automatic
Product currently unavailable
Part no. 8P0919475N
Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475N
Product currently unavailable
Part no. A6511501879-6
Mercedes W639 OM651.940 136HP 113 CDI Engine Unit ECU Kit A6511501879 Key Lock
Product currently unavailable
Part no. 9320144
BMW F10 Sound Audio Amplifier Control Unit Module 9320144
Product currently unavailable
Part no. rhd-7220 MN
Citroen Berlingo Driver's Seat Ladder Front Seat Back Bulkhead Divider 7220 MN
Product currently unavailable
Part no. 6C0937089
Volkswagen Polo 5 6R 1.2 TSI CJZC Central Body Comfort BCM Module 6C0937089
Product currently unavailable
Part no. 7552393-1
BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7552393 Manual
Product currently unavailable
Part no. 9380156-1
BMW F83 M4 Telematic Control module Comunication Unit ATM ECE 4G 9380156
Product currently unavailable
Part no. 6977054
BMW X5 E70 Driver Side Front Right O/S Door Cable Harness Wiring 6977054
Product currently unavailable
Part no. 7805585-3
BMW X5 E70 Diesel 3.0d M57N2 235HP ECU Kit DDE 7805585 + CAS3 + Key Automatic
Product currently unavailable
Part no. 6R0937087M
Seat Ibiza 6J Body Control Comfort Unit Module BCM Unit ECU 6R0937087M
Product currently unavailable
Part no. 3D0909139
Volkswagen Touareg 7L Keyless Entry Module Control Unit ECU 3D0909139
Product currently unavailable
Part no. A9068201026
Mercedes W906 Front Windscreen Rain Light Sensor Control Unit A9068201026
Product currently unavailable
Part no. 13220829M
Vauxhall Opel Zafira B Fuse Box Relay Control Unit Module 13220829M
Product currently unavailable
Part no. 8U0907441
Audi Q3 8U Camera Module Rear View Parking Camera Control Unit 8U0907441
Product currently unavailable
Part no. 7544894
BMW 3 F30 LCI 330e B48X HV Accumulator Battery Positive Cable Ground 7544894
Product currently unavailable
Part no. 7567178-14
BMW E60 E90 E91 N52 325i 525i 218HP ECU Kit DME 7567178 CAS3 + Key Automatic
Product currently unavailable
Part no. 8E0907279E
Audi A4 B7 Body Control Module BCM Comfort Unit Power Supply 8E0907279E
Product currently unavailable
Part no. 8617569-1
BMW X1 E84 20i N20 184HP ECU Engine Control Kit DME 8617569 CAS3 + Key Automatic
Product currently unavailable
Part no. GK2T-11000-DB
Ford Transit Custom Engine Starter Motor 2.0 EcoBlue GK2T-11000-DB
Product currently unavailable
Part no. A2045404150
Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2045404150
Product currently unavailable
Part no. 8714316
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player Controller 8714316
Product currently unavailable
Part no. 7798422-1
BMW 5 Series E60 E61 530d M57N 218HP ECU Kit DDE 7798422 + CAS2 + Key Automatic
Product currently unavailable
Part no. 9384222
Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222
Product currently unavailable
Part no. AG9N10C679DD
Battery Cable Ford Mondeo MK4 Negative Lead Wiring Harness AG9N-10C679-DD
Product currently unavailable
Part no. 5WA962133F
Audi Volkswagen Seat Keyless Entry Module Aerial Antenna 5WA962133F
Product currently unavailable
Part no. 7544893
BMW 3 F30 LCI 330e B48X HV Accumulator Battery Positive Cable Ground 7544893
Product currently unavailable
Part no. 9177872
BMW 5 6 Series E61 E63 E64 LCI Map Card Fuse Box Grouping Diagram 9177872
Product currently unavailable
Part no. A6429003701
Mercedes-Benz S W221 BlueTec AdBlue Emission Control Unit Module A6429003701
Product currently unavailable
Part no. 8E0910560-1
Audi S4 B6 4.2 V8 BBK Quattro 344HP Engine ECU Kit 8E0910560 Ignition + 2 Keys
Product currently unavailable
Part no. 7798422
BMW E60 E61 525d M57N 177HP Engine Control Unit ECU DDE 7798422 Automatic
Product currently unavailable
Part no. 7798422-2
BMW E60 E61 530d M57N 218HP Engine Control Unit ECU DDE 7798422 Automatic
Product currently unavailable
Part no. 9260874
Alarm Sensor BMW E84 E91 Ultra Sonic-Module System Control Unit 9260874
Product currently unavailable
Part no. A1769051600-1
Mercedes W176 Front Pressure Impact Crash Sensor Module With Hose A1769051600
Product currently unavailable
Part no. 8E0035192T-1
Audi A4 B7 Sat Navi Stereo Radio Audio Head Unit CD Player 8E0035192T
Product currently unavailable
Part no. 8K0915181H
Audi A1 8X Negative Minus Battery Terminal Cable 1.4 TFSI CAXA Petrol 8K0915181H
Product currently unavailable
Part no. A6549009400-5
Mercedes W906 314 CDI 651.958 143HP Engine Control ECU A6549009400 Manual
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 .