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. 8R0907468F
Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
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Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
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BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Ford Mondeo Mk4 Alternator Bracket 2.0 TDCi Mount Support AG9Q-10K019-AB
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BMW 5 F10 F11 On-board Central Information Display Screen Monitor 6,5" 9289007
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Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6922801
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147221
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BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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Engine Sound Generator Mercedes W177 W213 GLC C253 Front Rear Unit A2239016902
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Mini Cooper Cabrio R57 Footwell Light Module High EKS ECU PL3 FRM II 3452677
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Mercedes-Benz Vito W639 Radio Fan Adapter Control Unit Module A6398200942
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Mercedes Vito W639 Positive Battery Terminal Cover Cap Trim Red A6395450191
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Mercedes Vito W639 Door Front Right O/S Control Unit Module ECU A6398201226
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BMW E61 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9172364
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Mercedes ML W163 Body Control Module Unit BCM ECU A1635459032
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9308364
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BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
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Part no. E82 Wiring Loom Set PDC rear -1
BMW 1 Series E82 Wiring Loom Set Rear Complete Harness PDC Parking Sensor
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Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 + 2 Keys
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Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468F
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BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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Mercedes W221 Audio Amplifier Sound Harman Becker Control Unit A2218705089
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Nissan Qashqai 1.5 dCi Diesel Engine Wiring Loom Harness 24011BB04A
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Mercedes C207 W212 Head Unit High Line Radio Sat Nav DVD Bluetooth A2129006709
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BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226
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Mini R50 R53 6-Disc CD Changer Multichanger With Magazine 9131852
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324784
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Audi A7 4G Q7 4L 3.0 TDI Glow Plug Pre Heat 651 Relay Unit 9 Pins 4L0907282A
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Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068201186
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Mercedes-Benz M-Class ML W164 Front Left N/S Cable Wiring Duct A1645460161
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Mercedes CLS W219 Parking Sensor PDC Distance Control Unit Module A2195450732
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BMW E87 LCI CCC CD Professional Navigation System Controller 9185532
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Part no. A6519006401
Mercedes GLC X253 220d 170HP 651.921 Engine Unit ECU A6519006401 Automatic
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Part no. BK3T18D815BG
Ford Transit MK8 Radio Head Unit Control Panel BK3T-18D815-BG
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65124154935 4154935
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Part no. A1645406501
Mercedes ML W164 Front SAM Control Unit Module ECU A1645406501
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Part no. 1742690-2
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit
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Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
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Part no. 6819651
BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651
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BMW X5 E53 3.0i M54 1,4KW Starter Motor 7501738
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BMW E64 Convertible Airbag Module Sensor ECU Air Bag Unit 9172020
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Part no. 7L0937503D
Audi Q7 4L Fuse Box Relay Control Unit Module 7L0937503D
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Part no. E87 E90 Cable Aux 178cm
BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm
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BMW E81 E87 E90 E91 E92 Radio CD Professional 9110678
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BMW F20 F21 F22 F30 F31 F32 LCI Earth Ground Cable Battery Wiring 7614083
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Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Automatic
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7586134 + CAS3 + Key Manual
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Part no. 6945145
BMW E60 E61 E63 Air Control Module Passenger Side Door 6945145
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Part no. 9253111-2
BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111
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Part no. 03L906018CN
Audi Q3 8U 2.0 TDI 140HP CFFB Quattro Engine Control Unit ECU 03L906018CN Manual
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Volkswagen Touareg 7L Bluetooth Telephone Module Control Unit 7L6035730C
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Part no. 9258278
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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VDC Module BMW F01 F07 F10 F11 F12 Rear Suspension Level Control Unit 6866454
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Audi A5 8T A6 C7 USB Adapter Port Socket Connector Cable Wiring 4F0051510Q
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Part no. 8674260-1
BMW F46 218i B38 136HP Engine Control Unit ECU Kit DME 8674260 FEM + Key Manual
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Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
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Body Control Module Mercedes W117 W176 W242 W246 Fuse Box Sam A2469008510
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Part no. 8K0971104F
Audi A4 B8 Rear Wiring Loom PDC Harness Parking Sensor 8K0971104F
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Part no. E88 Wiring Loom Set PDC Rear
BMW E88 Cabrio Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Part no. 9317119
BMW F01 F02 F04 F25 Amplifier Unit Top Hifi Audio 9317119
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PDC Module BMW F45 F46 I01 Mini F55 F56 Parking Assistant Control Unit 6881300
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Part no. 9151978
BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Part no. A2139008822-1
Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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Part no. 9809381
Mini Cooper R60 Countryman High PL3 SPEG H6 Fuse Distribution Box 9809381
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Part no. 9170706
BMW 6 Series E63 LCI CCC DVD Sat Navigation System CD Player Head Unit 9170706
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Part no. 8507981
BMW F07 GT F10 F11 Engine Wiring Loom Harness Cables M57Z Diesel 8507981
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Part no. 6988086
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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Part no. 9258164
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9258164
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Part no. 9281829
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9281829
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Part no. A0999004101
Steering Lock Mercedes W176 W246 Control Unit Module VST A0999004101
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Part no. 9224617
BMW X5 E70 Footwell ECU Light Control Unit Module FRM IIIR Lear 9224617
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Part no. A1669001420-2
Mercedes CLA C117 W166 Head Unit Sat Nav Navigation Display Screen A1669001420
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Part no. 7550469
BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
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Part no. 038907281D
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
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Part no. A2035403533
Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533
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Part no. 037906024BE
VW Golf 3 GTI 2.0 16V ABF 150KM Petrol Manual Engine Unit Module ECU 037906024BE
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Part no. 7P6907357C
Audi A3 8V VW Touareg 7P Xenon Headlight Module Control Unit 7P6907357C
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Part no. 231008633R
Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R
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BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 7811111 Manual
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BMW E81 E87 E90 Hands Free Electronics Charging Bluetooth Module MULF 6950089
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Mini Cooper One R56 High SPEG DC/DC H3 Fuse Distribution Box 3451927
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Porsche Cayenne 92A Fuel Tank Gauge Right O/S Sender Control Unit TDI 7P0919673
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Ford Transit Connect Engine Alternator Generator Unit Diesel KK3T-10300-BB
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Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD
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Part no. 7810980-3
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Keys
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Part no. A2129003314
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129003314
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Part no. 9367673
Mini Cooper F55 F56 F57 Visual Boost Surround Central Cover Instrument 9367673
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Part no. 6C0915181C
VW Volkswagen Polo 6R Negative Minus Earth Cable HV Battery Harness 6C0915181C
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Part no. 9159812
BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM3R Lear 9159812
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Part no. 4M0035456A
Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
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Part no. 6950374
Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349
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Part no. 9186215-1
BMW E90 M-Audio Controller System Control Unit Module Navigation 9186215
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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. 5Q0959592K
Audi Q2 GA Door Module Control Unit Front Passenger Side 5Q0959592K
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Part no. KK3T-14D068-JE-1
Ford Transit Mk8 Fuse Box Power Distribution Relay 2.0 Diesel KK3T-14D068-JE
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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 .