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. 6935686
BMW E87 LCI E90 Professional Navigation Connecting Cable 6935686
Product currently unavailable
Part no. A1665408909
Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness
Product currently unavailable
Part no. 7634059
BMW F30 F31 F32 N20 Engine Gearbox Module Wiring Cable Loom Harness 7634059
Product currently unavailable
Part no. 6944499
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6944499
Product currently unavailable
Part no. 9285768
BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Right O/S 9285768
Product currently unavailable
Part no. 7574365
Alternator Mini R55 R56 R57 R57 R58 LCI Generator Petrol 7574365
Product currently unavailable
Part no. 8200634602-1
Renault Master II Trafic II 2.5 dCi Engine Starter Motor Elstock 8200634602
Product currently unavailable
-30%
Part no. 8579479-4
BMW F20 F21 F30 F31 118d 318d N47N Engine Control Unit ECU DDE 8579479 Manual
Product currently unavailable
-5%
Part no. 1K0937124P
Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
Product currently unavailable
Part no. 7797521
BMW E60 E61 E63 E65 E83 Alternator Generator VALEO 170A 7797521
Product currently unavailable
Part no. A9065454701
Mercedes W906 Fuse Box Relay Control Unit Electric Module A9065454701
Product currently unavailable
Part no. 55353857
Starter Motor Vauxhall Astra Vectra Insignia 2.0 CDTI Diesel Engine 55353857
Product currently unavailable
Part no. 4F1971030BD
Audi A6 C6 Front Right O/S Door Harness Cable Loom 4F1971030BD
Product currently unavailable
Part no. 355013 ampassy 5631b6
Audi A4 B7 Audio Sound System Amplifier Bose 355013 5631B6
Product currently unavailable
Part no. A2479006804
Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804
Product currently unavailable
Part no. 9451484
Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484
Product currently unavailable
Part no. 4E0907181A
AUDI S8 D3 Access Start Comfort Kessy Control Module 4E0907181A
Product currently unavailable
Part no. 8K0907064CP
Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064CP
Product currently unavailable
Part no. 7593666-1
BMW E81 E87 LCI E90 E91 118i 318i N43 ECU Kit DME 7593666 + CAS3 + Key Manual
Product currently unavailable
Part no. 9146710-1
Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
Product currently unavailable
Part no. 5WA035282
Audi Q2 GA Online Services Control Module ECU Control Unit 5WA035282
Product currently unavailable
Part no. A2079003700
Mercedes C207 Door Module Rear Left N/S Control Unit ECU A2079003700
Product currently unavailable
Part no. A6461540002
Mercedes Sprinter W906 OM646 Engine Diesel Alternator Generator A6461540002
Product currently unavailable
Part no. A2118200089
Mercedes-Benz E W211 Radio Aerial Antenna Amplifier Module Unit A2118200089
Product currently unavailable
Part no. 6925965-2
BMW X3 E83 LCi Rear Door Window Lifter Left N/S 6925965
Product currently unavailable
Part no. 9352574
Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
Product currently unavailable
Part no. 9484304
Air Module ECU Mini F54 F55 F56 F57 F60 Crash Control Unit Module 9484304
Product currently unavailable
Part no. 9157156
Body Gateway Module BMW E60 E61 LCI E63 E64 ECU Control Unit 9157156
Product currently unavailable
Part no. A1775400630
Parking Sensor Wiring Mercedes W177 V177 Rear Bumper PDC Loom Cable A1775400630
Product currently unavailable
Part no. 8200803443
Renault Master III Engine Alternator Mounting Bracket Carrier 8200803443
Product currently unavailable
Part no. 4E0616575K
Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
Product currently unavailable
Part no. 9807168
Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
Product currently unavailable
Part no. 4G8959107N
Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107N
Product currently unavailable
Part no. A2045403510
Mercedes W204 Battery Wiring Cable Harness Loom Rear A2045403510
Product currently unavailable
Part no. A2049065602
Mercedes S204 Rear Trunk SAM Central Electric Base Control Module A2049065602
Product currently unavailable
Part no. 5A19DB2
Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
Product currently unavailable
Part no. 02M911022F
Audi Q2 GA 35 TFSI DXDB Petrol Starter Motor Manual 02M911022F
Product currently unavailable
-5%
Part no. 4H0907601E
Audi S3 8Y 2.0 TFSI DNFF Petrol Engine Sound Noise Actuator 4H0907601E
Product currently unavailable
Part no. 8571905-3
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
Product currently unavailable
-30%
Part no. 2622584
Telephone Control Module BMW F30 F32 F36 Telematics Bluetooth ATM ECE 4G 2622584
Product currently unavailable
Part no. 8P0035186G
Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
Product currently unavailable
Part no. 9197131
BMW X3 Z4 E83 E85 CID Control Unit CD Player Radio Audio System 9197131
Product currently unavailable
Part no. 6960223
Airbag Module BMW E65 E66 Sensor Driver's Side Air Bag Control Unit 6960223
Product currently unavailable
Part no. 8U0857273E
Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
Product currently unavailable
Part no. 6952327
On Board Monitor BMW E60 E63 Navigation Display Screen 6,5" 6952327
Product currently unavailable
Part no. A2129003708
Mercedes W212 COMAND Radio Head Unit Navi CD DVD Player Navigation A2129003708
Product currently unavailable
Part no. 8E0837220Q-1
Remote Key Audi A4 S4 B7 8E Radio Alarm Key Fob Opener Button 8E0837220Q
Product currently unavailable
Part no. 4H0907063DB
Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB
Product currently unavailable
Part no. 8574095-6
BMW F20 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8574095 Key FEM Automatic
Product currently unavailable
Part no. 7834713
BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
Product currently unavailable
Part no. A2049060902
Mercedes-Benz C-Class W204 COMAND Navi CD Player Radio Head Unit A2049060902
Product currently unavailable
-30%
Part no. 06J903023D
Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D
Product currently unavailable
Part no. A2129000006
Fuse Box Mercedes W212 Front Relay Control Unit Electric Module SAM A2129000006
Product currently unavailable
Part no. 9231179-1
BMW F30 F32 F80 M3 F82 M4 1 Rear Antenna Aerial Amplifier AM/FM DAB
Product currently unavailable
Part no. 7621178-4
BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
Product currently unavailable
Part no. 9149080-3
Roof Antenna Mini Cooper R57 Convertible Cabrio Aerial Base 9149080
Product currently unavailable
-5%
Part no. 8T0035223AB
Audi A4 B8 8K A5 8T Sound System Audio Amplifier Amp Unit 8T0035223AB
Product currently unavailable
Part no. 8603352-1
BMW F20 F30 116i 316i N13 Engine ECU KIT DME 8603352 + FEM + Key Manual
Product currently unavailable
Part no. 0165459232
Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232
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. 045903143E
VW Volkswagen Polo 9N 1.4 TDI Alternator Bracket Mount Carrier 045903143E
Product currently unavailable
Part no. 9281517-1
BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
Product currently unavailable
Part no. rhd-6954129
BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
Product currently unavailable
Part no. LR003468
Starter Motor Land Rover Freelander 2 Diesel Engine Actuator LR003468
Product currently unavailable
Part no. 9317941-1
On-Board Screen BMW F45 F46 Central Information Display Monitor 6,5" 9317941
Product currently unavailable
Part no. A2045420523
PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523
Product currently unavailable
Part no. A2218707393
Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
Product currently unavailable
Part no. A0009015810
Gearbox Control Mercedes W177 W247 Transmission Unit Module ECU A0009015810
Product currently unavailable
Part no. 7599881-7
BMW E87 LCI E90 118i 318i Petrol N43 ECU Kit 7599881 DME CAS3 Key Manual
Product currently unavailable
Part no. 6948048
BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
Product currently unavailable
Part no. 7807828-1
BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox
Product currently unavailable
Part no. 7N0843638
Volkswagen Sharan 7N Sliding Door Catch Upper Locking Plate Right O/S 7N0843638
Product currently unavailable
Part no. 4L0971225D
Audi Q7 4L Positive Battery Terminal Cable 4L0971225D
Product currently unavailable
Part no. 9655296080
Citroen Dispatch Alternator Generator Valeo 90A 12V 9655296080
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. LRT00134
Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
Product currently unavailable
Part no. 9150961
Navigation System BMW E90 E91 E92 Professional CCC Sat Nav Controller 9150961
Product currently unavailable
Part no. 4E0910148C
Audi A8 4E S8 D3 TV Tuner DVB Receiver Hybrid Digital / Analog 4E0910148C
Product currently unavailable
Part no. 7500255
BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
Product currently unavailable
Part no. 9666729580
Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
Product currently unavailable
Part no. A6421500856
Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
Product currently unavailable
Part no. 9132539
BMW 1 3 Series E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9132539
Product currently unavailable
Part no. A2118701085
Mercedes R171 Navigation Processor Multimedia Control Module Unit A2118701085
Product currently unavailable
Part no. 8X0035182K
Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
Product currently unavailable
Part no. A6519003203
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
Product currently unavailable
Part no. AT1112A650BD
Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
Product currently unavailable
Part no. 1387614
BMW 3 Z3 Series E36 Electrical Fuse Relay Box Storage Trim 1387614
Product currently unavailable
Part no. 3448827-1
Mini Cooper One R55 R56 1 Radio Boost CD Player Head Control Unit 3448827
Product currently unavailable
Part no. 8603352
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Manual
Product currently unavailable
Part no. 8519663-24
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Engine ECU DDE 8519663 Automatic
Product currently unavailable
-30%
Part no. 9306085
BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
Product currently unavailable
Part no. 8V5115K600EG
Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
Product currently unavailable
Part no. 9176886
BMW 3 Series E91 ECU Body Control Module H4 Electronic Box 61359176886 9176886
Product currently unavailable
Part no. 9239226-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9239226
Product currently unavailable
Part no. 9243211
Central Gateway Module BMW F10 F11 ECU Control Unit Lear ZGW-02 Mid 9243211
Product currently unavailable
Part no. 7803373-10
BMW E87 E90 E60 120d 320d 520d M47N2 163HP Engine Unit ECU DDE 7803373 Manual
Product currently unavailable
Part no. 4S4112A650BC
Ford Transit Connect 1.8 Diesel Engine Control ECU Module Manual 4S4112A650BC
Product currently unavailable
Part no. 4H0959793AC
Porsche Macan S 95B-2 Front Door Control Module Unit Driver's Side 4H0959793AC
Product currently unavailable
Part no. A1645408662
Mercedes ML W164 Transfer Case Box Module Control Unit ECU A1645408662
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 .