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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Part no. 1707017
BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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Part no. 1437967
BMW E46 M43 Engine Wiring Loom Harness Ignition Module Cable 1437967
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Mercedes W177 Automatic Gearbox Wiring Loom Harness Cable A2517253714
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Part no. A2229001614
Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614
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Part no. 9224616
BMW X5 E70 Footwell ECU Light Control Unit Module FRM3R Basis Lear 9224616
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Part no. A6421509078-1
Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
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Part no. 9222855-1
BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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Part no. CC1T-10300-CC
Alternator Ford Transit MK7 Diesel 2.2 Tdci Bosch CC1T-10300-CC
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Part no. 7806976-6
BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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Part no. 9313933
BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
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Part no. A2115405332
Mercedes S211 Rear Axle Self Levelling Device Cable A2115405332
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Part no. 8570238
BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 8570238
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Part no. 8695512
BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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Part no. A0009003313
Adblue Module Mercedes W205 W222 W253 Exhaust Gas Control Unit ECU A0009003313
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Part no. A2059008618-1
Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Part no. A2229006014
Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Part no. 9261703
Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Part no. 6952994
Air Module BMW E60 E63 Control Unit Centre Sensor ECU 6952994
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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Part no. A1718204126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Part no. 9315682
Body Control Module BMW F20 F21 F30 F31 F32 Comfort Unit FEM ECU LR01 9315682
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Part no. 9247386
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9247386
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Part no. 7579142-18
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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Part no. 7641661-1
BMW F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Part no. A2229063202
Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202
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Part no. 1439874
BMW E46 316i M43 Petrol Engine Wiring Harness Engine Module Wiring 1439874
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Part no. 93452999
Fuse Box Vauxhall Vivaro B Renault Trafic III Relay Control Unit Module 93452999
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Part no. A6519000603-1
Mercedes W205 C205 BlueTec OM651.921 Engine Control Unit ECU Kit A6519000603 Key
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Part no. A0009006706
Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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Part no. A2118707226
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
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Part no. 93867998
Vauxhall Vivaro B Radio Stereo Head Unit Mount Bracket Holder Support 93867998
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Part no. A2059008917
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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Part no. 8586544
BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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Part no. A2035450701
Mercedes W203 Fuse Box Rear SAM Module Relay Control Unit A2035450701
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Part no. 6963828
BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Part no. 93868139
Renault Trafic III Opel Vivaro B Air Module Control Unit ECU 93868139 985101902R
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Part no. A2118701026
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Part no. 8383149
BMW E46 Radio Business Cassette Player Audio Control Head Unit 8383149
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Part no. 7521116
Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116
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Part no. 9809842880
Display Screen Citroen Dispatch Dashboard On Board Dash Monitor 9809842880
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Part no. A1718204926
Mercedes SLK R171 Roadster Soft Top Folding Roof Control Module A1718204926
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Part no. A0009001900
Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0009001900
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Part no. 9268478
BMW F20 F21 F30 F31 Driver Assist ACC Lane Change Switch Button Panel 9268478
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Part no. A6395450601
Mercedes Vito W639 SAM Module Electric Control Unit A6395450601
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Part no. A1679000511
Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000511
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Part no. 7521137-1
BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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Part no. 9291385
BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
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Part no. A2139008409-1
Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409
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Part no. 8200960533
Renault Scenic III 1.5 Dci Engine Alternator Generator 12V 120A 8200960533
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Part no. A6519009402-1
Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
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Part no. A1775404307
Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
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Part no. A2469009412-1
Radio Panel Mercedes W176 W242 W246 Radio Multimedia Switch Control A2469009412
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Part no. A1679050200
Mercedes A238 Tailgate Boot ECU Control Unit Module A1679050200
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Part no. A2115455301
Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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Part no. A2125400450
Fuse Box Mercedes W212 Battery Terminal Control Unit Module A2125400450
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Part no. 8634166
Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Part no. 9423397
AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Part no. A2469009412
Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
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Part no. 3M5T-11000-CF
Ford Transit Connect Starter Motor Engine Actuator Diesel 1.6 3M5T-11000-CF
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Part no. 9130160
BMW X6 E71 Antenna Amplifier Diversity Control Unit Module 868 MHZ 9130160
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Part no. 9243645
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 9243645
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Part no. A2059006222
Mercedes W205 Head Radio CD Player Navi Interface Control Unit A2059006222
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Part no. A2049069701-2
Mercedes W204 Radio Stereo CD Player Audio Sat Nav Head Unit A2049069701
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Part no. A1645400701
Mercedes ML W164 Rear SAM Module Control Unit Fuse Box A1645400701
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Part no. 252160006R
Renault Master III Contact Conector Male Sliding Doors 252160006R
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Part no. A0009001808
Mercedes W205 Park Assist PDC Trunk Control Unit Module A0009001808
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Part no. A2059008618
Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
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Part no. 9365758-1
Mini Cooper F55 F56 Navigation Sat Nav NBT HU DAB Head Unit High 9365758
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Part no. 7543083-3
Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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Part no. 9257200
BMW X5 E70 CD Player Head Unit CIC DAB Professional Navigation Sat Nav 9257200
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Part no. 9390396
Audio Amplifier BMW F20 F21 F22 Harman Kardon Active Sound Design Unit 9390396
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Part no. 9390018
Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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Part no. FV6T-14A280
Ford Transit Connect Cable Alternator Starter Motor Battery Wiring FV6T-14A280
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Part no. 9384687
BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
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Part no. 9353990
Audio Amplifier BMW F20 F21 Mini F55 F56 Top Hifi Harman Kardon Unit 9353990
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Part no. A2711505533
Mercedes W204 Petrol Engine M271 Engine Wiring Harnes A2711505533
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Part no. A9068201589
Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9068201589
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Part no. A2118702889
Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Part no. 6C1T14B056AE-1
Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE
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Part no. A2479061803
Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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Part no. AV6N-10300-GC
Alternator Ford Focus MK3 Fiesta MK6 1.6 TDCi Engine Generator AV6N-10300-GC
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Part no. A0009053011
Distance Radar Module Mercedes W177 W205 W253 Front Distronic Unit A0009053011
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Part no. 9361150
Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9361150
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Part no. A0355400145
Mercedes ML W164 C209 W211 C219 AMG Fuel Pump Control Module A0355400145
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Part no. 8707679
BMW F20 F21 F22 Body Control Module Unit FEM 8707679
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Part no. 9283653
Front Apron BMW F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9283653
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Part no. 8513242
BMW F10 F11 520d Diesel N47N 184HP Engine ECU DDE 8513242 Automatic
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Part no. 7823344-2
BMW F20 F21 F30 F31 F32 N47N Diesel Alternator 175A 7823343 7823344
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Part no. A2721501433
Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Part no. 7536690-1
Starter Motor BMW E60 E61 E65 E53 E70 Petrol Engine N62N Starter 7536690
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Part no. A2721540102
Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
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Part no. 6828076
BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Part no. A2469006710
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Part no. 240804802R
Earth Ground Cable Renault Master Vivaro Line Strap Battery Lead 240804802R
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Part no. A6511501879-3
Mercedes W639 OM651.940 113 CDI 136HP Engine Module ECU A6511501879 Automatic
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Part no. 9287218
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
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Part no. A6079002200-2
Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200
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Part no. A2055402992
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055402992
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Part no. A2139005528
Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
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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 .