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. 8K0919475J
Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J
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Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
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BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
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BMW 1 3 5 7 Series E60 E61 E65 E81 E87 E90 Trailer Towing Control Module AHM 4R
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Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530D
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Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
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Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592E
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BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox
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Seat Module BMW F20 F30 F32 F33 X1 F48 X5 F15 Front Control Unit ECU 9459681
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BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Manual
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Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186P
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BMW X1 E84 Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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Vauxhall Combo D 1.3 Cdti Fiat Lancia Alternator Engine Genarator 95511910
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BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416
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BMW F30 Fuse Box Relay Control Unit Module 9314235
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Audi S5 F5 Blind Spot Radar Distance Control Module Left N/S Slave 4M0907590D
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Relay Mercedes W166 Voltage Dip Protection Start/Stop Relay Module A0009820123
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BMW G30 Fuel Pump Module Control Unit ECU 5A25FC9
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BMW F01 F07 GT F10 F11 F12 F13 OBD Plug Socket Diagnostic Wiring Loom 9232596
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Radio Boost Mini R50 R53 Dolby Cassette Tape Player Control Unit Module 6918529
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Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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BMW F30 F31 F32 N20 Engine Gearbox Module Wiring Cable Loom Harness 7634059
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Part no. 8K0919475R
Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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Ford Transit Mk7 Glow Plug Wiring Loom Cable Wire TDCi Diesel BK2Q6M091AD
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BMW F10 F11 On Board Screen Central Information Display Monitor 10,25" 9289008
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Alternator Generator BMW F10 F30 N20 Diesel Electrical Unit Denso 210A 7605061
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Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
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BMW E87 E90 E91 E92 E93 Fuse Box Power Distribution Front 6906621
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BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 61126971219 6971219
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Mercedes-Benz CLC CL203 Rear Left Right Door Loudspeaker Speaker A2038204002
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Mercedes W205 W213 Engine Wiring Harness Cable Loom M274 Petrol A2741504703
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Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456601
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Part no. 4E0910888PX
Audi Q7 4L Navigation Sat Stereo Radio Audio Head Unit CD Player 4E0910888PX
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Fuse Box Mercedes Sprinter W907 Prefuse Box Module F150/1 - MFB-1 A9075406960
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BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Audi A3 8P Battery Clamp Positive Plus Pole Cable Protection Panel 1K0971920
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Part no. 6910381
BMW 7 Series E65 E66 Dashboard Dash Sun Solar Sensor Speaker Cable 6910381
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Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
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Radio Business CD BMW E81 E82 X1 E84 E87 E89 E90 E91 E92 Radio 9177209
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Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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Earth Cable BMW E60 E61 Electrical Starter Alternator Earth Cable Wiring 7795520
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Audi A3 8P CCM Covenience Control Module Unit Relay Board ECU HELLA 8P0959433F
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Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038705089
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Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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Part no. 3C8937049AC-1
Volkswagen Tiguan 5N Module BCM Body Control Unit Module ECU 3C0937049E
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Part no. CV2T-10C679-BC
Ford B-Max Battery Negative Lead Terminal Cable Loom Harness CV2T-10C679-BC
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Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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Part no. 028903028C
Volkswagen Golf Mk4 Alternator Generator BOSCH 14V 70A 028903028C
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Part no. 9348761
BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726
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Part no. 5Q0937615C-2
Seat Leon Mk3 5F Fuse Relay Box Module Electrical Control Unit 5Q0937615C
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Volkswagen Golf Mk7 5G Headlight Ballast Module Left Right N/O/S 7P5941572A
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BMW E65 Cable Harness Door Panel Card Rear Wiring Loom 6913147
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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609
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Part no. 4154934-1
Mini R50 R53 Radio Boost CD Player Head Unit Autoradio Player 4154934
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Part no. 95519888
Opel Vivaro B 1.6 CDTI Alternator Generator 150A 95519888
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BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Part no. A2218706586
Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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Part no. 9824925-1
Mini F55 F56 F60 LCI Navigation Touch Screen 8.8" Display Nav Head Unit 9824925
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Radio CD BMW E81 E87 E90 E91 E92 LCI Professional DAB 9243925
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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Part no. 9243919
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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Part no. 9166667
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
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Part no. 5Q0959592K
Audi Q2 GA Door Module Control Unit Front Passenger Side 5Q0959592K
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Part no. 6500CA
Fuse Box Cover Citroen Berlingo Peugeot Partner Housing Lid Trim 9658418180
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Part no. 6819838
BMW F30 LCI G11 G30 High Voltage Battery Charging Unit Module 6819838
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Part no. 9149229
BMW 5 6 E60 E63 LCI Radio CHAMP Professional CD Player System Controller 9149229
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Part no. 9195223
BMW 7 Series E65 E66 DVD Navigation System Computer Unit EXCH 9122860
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Part no. 58053R
Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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Part no. 6914605
BMW X5 E53 Radio Stereo Screen Multifunctional Display Head Unit 6914605
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Part no. 7540993
Alternator BMW X5 E53 Engine N62 Alternator Generator 14V 100/180A Valeo 7540993
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Mini Cooper One R50 R52 Starter Motor 0,9KW BOSCH 4542741
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Part no. 9484304
Air Module ECU Mini F54 F55 F56 F57 F60 Crash Control Unit Module 9484304
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Part no. A2215460935
Mercedes W221 W216 Fuse Box Cover Control Unit Trim Panel Lid A2215460935
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Toyota Yaris Mk1 Cassette Radio Player Head Unit Controller 86120-0D140
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Part no. 6873418
BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418
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BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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Part no. A0111548402
Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402
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Ford Transit Custom Alternator 240A 14V 2.0 EcoBlue GK2T-10300-CC
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Part no. 8580390-1
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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Mercedes C253 Windscreen Camera Control Unit Module A2479002516
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Mercedes A-Class W168 Cable Starter Line Negative Line Battery A1661500333
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Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129
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Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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BMW 3 X3 X5 E70 E91 E83 1 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
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Part no. A0111549302
Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056
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Ford Transit MK6 2.2 TDCi Diesel Engine Starter Motor 6C1T-11000-AE
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Part no. 9488418
Adblue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9488418
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Mercedes C253 Electronic Control Unit Module A2539003001
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Part no. 6977679
BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679
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Part no. 8T0959793M
Audi A5 8T Front Door Control Module Left N/S Driver's Side Unit 8T0959793M
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Part no. 9166708
BMW E90 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 1K0937124P
Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
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Part no. 02Z911024H-1
Seat Ibiza IV VW Polo 6R Fabia 5J 1.2 TDI Diesel Engine Starter Motor 02Z911024H
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Part no. A1645402972
Mercedes W164 Fuse Box Holder A1645402972
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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 .