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. 6963023
BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
Product currently unavailable
Part no. 9149834
BMW X5 E70 Front Seat Control Unit Module ECU Left Right N/O/S 9149834
Product currently unavailable
Part no. A6421507733
Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733
Product currently unavailable
Part no. 9291385
BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
Product currently unavailable
Part no. 7621309
Engine Wiring Mini R56 LCI R60 N18 Loom Harness Injection Valve Ignition 7621309
Product currently unavailable
Part no. A6519005301-9
Mercedes C207 E250 CDI BE OM651.911 Engine Unit Module ECU Kit A6519005301 Key
Product currently unavailable
Part no. A0009060401-1
Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401
Product currently unavailable
Part no. 5WA035741B
Volkswagen Golf CD1 Antenna Amplifier Transmitter Receiver Module ECU 5WA035741B
Product currently unavailable
Part no. 6953468
BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468
Product currently unavailable
Part no. A1645400072
Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072
Product currently unavailable
Part no. A2118703794
Mercedes W169 W211 W245 Sound Audio Amplifier Unit Harman Becker A2118703794
Product currently unavailable
Part no. 8W0035454
Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454
Product currently unavailable
Part no. 5Q0937084BR
Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
Product currently unavailable
Part no. 7553166-2
BMW E60 E90 330i 530i N52 258HP ECU Kit DME 7553166 + CAS2 + Key Automatic
Product currently unavailable
Part no. 8803370
Display Screen Mini F55 F56 F60 Multimedia Navigation Sat Nav Unit 6,5" 8803370
Product currently unavailable
Part no. 8589145-16
BMW F20 F21 F30 F31 118d 318d B47 150HP Engine Control ECU DDE 8473185 Manual
Product currently unavailable
Part no. 6943797
BMW E60 E61 E63 E64 CAS2 ECU Control Unit Module 6943797 61356943797
Product currently unavailable
Part no. 7809002-2
BMW E81 E82 E87 LCI E88 N47S 123d Engine ECU Kit DDE 7809002 CAS3 + Key Manual
Product currently unavailable
Part no. 9138452-1
Mini Cooper R55 R56 R57 1 CCC Navigation Navi Sat Nav Head Unit 9138452
Product currently unavailable
Part no. A0009060922-1
Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
Product currently unavailable
Part no. A2465402150
Mercedes-Benz A B Class W176 W246 Diesel Fuse Box Relay Unit A2465402150
Product currently unavailable
Part no. A0009053303
Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
Product currently unavailable
Part no. 6935048
BMW 6 Series E64 Aerial Antenna Amplifier Diversity DAB 6935048
Product currently unavailable
Part no. 02E911023H
Audi A3 Starter Motor Engine Diesel 02E911023H
Product currently unavailable
Part no. 4L0035382B
Audi Q7 4L Boot Trunk Subwoofer Rear Bass Speaker 4L0035382B
Product currently unavailable
Part no. 4B0955531A
Audi VW Volkswagen Seat Relay Unit Module 9 Pins 12V UH2 4B0955531A
Product currently unavailable
Part no. A2219007401
Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
Product currently unavailable
Part no. 03L906018CN
Audi Q3 8U 2.0 TDI 140HP CFFB Quattro Engine Control Unit ECU 03L906018CN Manual
Product currently unavailable
Part no. 9177209
Radio Business CD BMW E81 E82 X1 E84 E87 E89 E90 E91 E92 Radio 9177209
Product currently unavailable
Part no. 6809049-1
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
Product currently unavailable
Part no. A1698205189
Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1698205189
Product currently unavailable
Part no. 9224592-3
BMW E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
Product currently unavailable
Part no. A2139007939
Mercedes W167 W177 W247 Headlight Ballast Control Module Right O/S A2139007939
Product currently unavailable
Part no. 6821203
Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 6821203
Product currently unavailable
Part no. 6918515
BMW E46 Convertible Rollover Sensor Control Unit Module 6918515
Product currently unavailable
Part no. A2049005112-1
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112
Product currently unavailable
Part no. 06F971082F-1
Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
Product currently unavailable
Part no. A2139053303
Mercedes W213 Dashboard Switch Panel A2139053303
Product currently unavailable
Part no. A0009062609
Mercedes C118 W177 W247 Three Phase Alternator A0009062609
Product currently unavailable
Part no. A1645402372
Mercedes W164 W251 Fuse Relay Module Rear Fuse Box Unit A1645402372
Product currently unavailable
Part no. 9310461
Radio Player BMW F20 F21 F22 F30 F31 CD Bluetooth Head Unit Control 9310461
Product currently unavailable
Part no. 8K0907357B
Audi A4 B8 Headlight Range Module Control Unit ECU 8K0907357B
Product currently unavailable
Part no. A0025426419
Battery Relay Mercedes W211 CLS W219 Module Control Unit 12V A0025426419
Product currently unavailable
Part no. 8W0907064GC
Audi A5 F5 Central Body Control Module BCM Unit ECU 8W0907064GC
Product currently unavailable
Part no. A9060034199
Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
Product currently unavailable
Part no. 9180756-1
BMW E60 LCI Saloon Light Control Module Unit Lear LM II E6X LWR 9180756
Product currently unavailable
Part no. A2218705087
Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087
Product currently unavailable
Part no. 7553735-1
Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
Product currently unavailable
Part no. 8519663-8
Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8519663 Manual CAS3 + Key
Product currently unavailable
Part no. A2059004236
Mercedes W205 Harman Radio Stereo CD Player Audio Sat Head Unit A2059004236
Product currently unavailable
Part no. A2129003314
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314
Product currently unavailable
Part no. 5Q0907530L
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
Product currently unavailable
Part no. 02Z911021C
Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
Product currently unavailable
Part no. 6943287-1
BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943287
Product currently unavailable
Part no. 9280616
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9280616
Product currently unavailable
Part no. 4F0910223C
Audi A6 C6 Hifi Audio Sound Speakers Amplifier Control Unit ECU 4F0910223C
Product currently unavailable
Part no. A6397600504-1
Mercedes Vito W639 1 Rear Left Right Sliding Door Handle Bowden Cable
Product currently unavailable
Part no. A6429002900-3
Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
Product currently unavailable
Part no. 7304626
Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7304626
Product currently unavailable
Part no. 9240226
BMW F10 F11 Front Bumper PDC Wiring Loom Electrical Cable Harness 9240226
Product currently unavailable
Part no. A2038206385
Mercedes-Benz C-Class W203 Airbag System Control Unit Module ECU A2038206385
Product currently unavailable
Part no. A2115400008
ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
Product currently unavailable
Part no. 7542529-1
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
Product currently unavailable
Part no. A2115457701
Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
Product currently unavailable
Part no. 5K0937084J
Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084J
Product currently unavailable
Part no. 04L911024A
Audi A4 B9 2.0 TDI DETA Engine Starter Motor Actuator Starter 04L911024A
Product currently unavailable
Part no. A0015422623-1
Mercedes Vito W639 Parking Sensor Warning Device Display A0015422623
Product currently unavailable
Part no. 9166279
BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279
Product currently unavailable
Part no. 3AA962243D
Audi A8 D4 Boot Trunk Lid Tailgate Lift Control Unit Module ECU 3AA962243D
Product currently unavailable
Part no. 6H52-14B321-AE
Land Rover Freelander 2 Air Module Control Unit ECU 6H52-14B321-AE
Product currently unavailable
Part no. YLE500180
Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE500180
Product currently unavailable
Part no. 3450824
Mini Cooper One R56 High SPEG Fuse Distribution Box H1 3450824
Product currently unavailable
Part no. 7501592
BMW E39 X5 E53 3.0i M54 Alternator Generator 90A 14V Valeo 7501592
Product currently unavailable
Part no. A2129005722
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
Product currently unavailable
Part no. 46858322
Peugeot Boxer II Citroen Relay III Fuse Box Control Unit Module 46858322
Product currently unavailable
Part no. 9865400
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Assistant Control Unit 9865400
Product currently unavailable
Part no. A2129015706
Mercedes W212 Display Screen Multifunction Navigation Dashboard A2129015706
Product currently unavailable
Part no. 03L906023M-1
Audi A3 8P 1.6 TDI 105HP CAYC Diesel Engine ECU Kit 03L906023M 2 Keys Manual
Product currently unavailable
Part no. A1694403805
Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
Product currently unavailable
Part no. 8510221-15
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
Product currently unavailable
Part no. A2118275542
Mercedes W169 W211 6 Disc CD Changer Player Glove Box A2118275542
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. A2710107344-1
Mercedes A209 CLK200 K M271.955 Engine Control Unit ECU Kit A2710107344 Key
Product currently unavailable
Part no. 4M5Q10239CC
Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
Product currently unavailable
Part no. A2045450169
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
Product currently unavailable
Part no. 079911021D
Audi Q7 4L Engine Starter Motor Actuator Starter 079911021D
Product currently unavailable
Part no. 9205278-1
CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
Product currently unavailable
Part no. 5A2A040
Pedestrian Protection Mini F55 F56 F57 Tube Impact Crash Sensor Module 5A2A040
Product currently unavailable
Part no. 9240524
BMW E88 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
Product currently unavailable
Part no. A2721536979-1
Mercedes W221 S350 M272.965 272HP Engine ECU Kit A2721536979 Ignition + Key
Product currently unavailable
Part no. 8506566-5
BMW E90 E91 LCI 320d ed N47N 163HP Engine ECU Kit DDE 8506566 CAS3 Key Manual
Product currently unavailable
Part no. 9882602
Gearbox Cable BMW F90 M5 F91 M8 Engine Wiring Automatic Transmission 9882602
Product currently unavailable
Part no. 8K0907383E
Audi A5 8T Towbar Trailer Hitch Control Module Unit ECU HELLA 8K0907383B
Product currently unavailable
Part no. 6994554
Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
Product currently unavailable
Part no. 4H0959792S
Porsche Macan 95B Front Door Control Module Unit Passenger Side 4H0959792S
Product currently unavailable
Part no. A2219006702
Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
Product currently unavailable
Part no. A2119820402
Mercedes CLS W219 Battery Fuse Box Control Unit Module A2119820402
Product currently unavailable
Part no. A2128702951
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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 .