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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BMW F22 F23 Active Front Bumper Sensor Pedestrian Protection Unit 9196020
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Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P
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Starter BMW E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor 7550975
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Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
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BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
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Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3423829
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Mini Cooper S R55 R56 LCI Engine Wiring Injection Loom Harness N18 8605894
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BMW E91 NSW PL2 FRMII Lightning Control Unit Module (LCM) 9159811
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BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 + CAS3 + Key Manual
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Engine Alternator BMW F20 F21 F30 LCI Generator Lucas 170A N13 Petrol 7605060
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VW Volkswagen Caddy Maxi Interior SRS Air Module Unit Control Sensor 2H0959655B
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Radio Player Mercedes-Benz W204 COMAND Navi CD Head Unit A2048700594
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Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
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Mercedes W639 113 CDI 651.940 136HP Engine Module ECU Kit A6519009302 Key Lock
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Mercedes W906 311CDI OM646.985 109HP Engine Unit Module ECU A6461506378 Manual
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BMW E87 Footwell Light Module ECU Control Unit PL2 FRM 9204536
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BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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BMW F20 F21 LCI F23 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Sunroof Wiring Volkswagen VW Tiguan 5N Roof Motor Cable Harness 5N0971100R
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Land Rover Freelander TD4 Starter Motor Engine Actuator Diesel NAD101500
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Seat Ibiza Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E
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Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
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BMW 3 Series E90 E92 M3 Throttle Body Position Hall Sensor Unit 7841706 7841704
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Battery Cable BMW X3 F25 Red Positive Plus Pole Blow Off 9225099
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
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BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Mercedes R172 R231 Headlight LED Ballast Control Unit Module A1769009203
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BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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BMW E81 E87 E90 E91 E92 Radio CD Professional 9110678
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
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Mercedes W207 A207 W212 Digital Satellite Radio Control Unit A2229009211
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Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 Key EWS
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BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
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Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
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Bluetooth Interface Audi TT 8J A3 8P Multimedia Steuergerät ECU 8P0862335K
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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BMW E87 E90 N45 116i Engine Control Unit DME 12147550688 7550688
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Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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Mercedes W176 W246 Display Screen Radio Navigation Sat Nav Unit A2469007018
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Mercedes Vito W639 651.940 116 CDI 163HP Engine ECU Kit A6511501879 Lock + Key
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Vauxhall Vivaro B Radio Stereo Head Unit Mount Bracket Holder Support 93867998
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Volkswagen Golf VII 5G 1.5 TSI DACA 130HP Engine Control ECU 05E907309 Automatic
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BMW U06 X1 U11 Gearbox Wiring Loom Transmission Cable 5A7A3B9
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Central Information Display BMW F20 F21 F22 F23 Screen 6,5" 9322122
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Mercedes R172 Door Module Mercedes Front Right O/S Control Unit A2129009229
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BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
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BMW F20 F21 114i N13 102HP Engine Control Unit ECU Module DME 8610484 Manual
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Ford Transit Connect Mk2 Diesel Starter Motor 8V21-11000-AE
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Mercedes W203 W209 Relay Unit Module 2 Pins White Hella A0005461366
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BMW X1 E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 Key Manual
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Mercedes Vito W639 1 Rear Left Right Sliding Door Handle Bowden Cable
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Mercedes CLS W219 Head Unit CD Player Navigation Radio Audio Unit A2119060700
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BMW F10 F11 Front Bumper PDC Wiring Loom Electrical Cable Harness 9240226
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Audi A4 B7 Cabriolet Roof Motor Wiring Harness Wiring Loom 8H0972387
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Part no. 6906911-1
BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
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Part no. 9646321880
Peugeot 307 Citroen Berlingo Diesel Engine Alternator Generator 9646321880
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Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
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BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9278745
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Oil Pump Control Audi Q7 4L Volkswagen Touareg 7P Module Unit ECU 7P0927601
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Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
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Mini Cooper R56 LCI R60 N16 Engine Control Unit ECU DME 7619335 CAS3 Key Manual
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Mercedes S212 E220CDI OM651.924 170HP Engine Control Unit ECU Kit A6519005301
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BMW E90 M-Audio Controller System Control Unit Module Navigation 9186215
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Ford Transit Heat Shield Insulation Alternator Engine Cover CC11-199049-AA
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Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
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BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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Mercedes W204 Head Unit Radio CD Player Audio Sat Nav Control A2049001813
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451001
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Audi A5 8T Starter Motor 3.0 TDI CCWA Diesel 059911021D
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
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Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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BMW 1 E87 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9390483
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BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
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BMW E93 LCI Footwell Light Control Unit Module Lear FRM3R PL2 9230450
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Mini Cooper D R55 R56 R60 N47N 112HP Diesel Engine ECU DDE 8519663 Automatic
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Part no. 3450646
Mini Cooper Convertible R57 Fuse Box Electrical Control Unit 3450646
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Part no. 8519663-7
Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE CAS 3 Key 8519663
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Part no. A0009067702-1
Mercedes W204 W207 W212 Alternator Generator Engine Diesel 180A 14V A0009067702
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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Part no. 7928646
BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
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Part no. 04L907309L
Audi A4 B9 2.0 TDI DETA Quattro Engine Control Unit ECU 04L907309L Automatic
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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 .