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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Mercedes W447 Drive Train Sensor Can Distributor A0045467740
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BMW E61 E92 F32 LCPA Seat Belt Control Module ECU 9129439
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Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
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Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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Audi A8 4E S8 D3 Comfort Module Electric Steering Column Unit 4E0907279S
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Vauxhall Astra H Corsa D Merriva B 1.7 CDTI Engine Starter Motor 8980147432
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Distributor Box Mercedes W204 W207 W221 Connector Block Control Unit A0045467640
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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BMW X5 E53 Radio Stereo Screen Multi Functional Display Head 6914606
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Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605
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Ford Transit Custom Battery Cable Positive Wiring Harness Loom KK3T-10C652-AC
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BMW E93 ECU Body Control Module H3 Junction Box 9187541
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VW Volkswagen Transporter T5 Golf Mk4 Fuel Pump Relay Unit Grey 109 1J0906381A
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Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284B
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Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Ford Fiesta Mk7 Battery Box Tray Housing Holder Bracket 8V21-10718-AD
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BMW 3 5 6 E60 E63 E90 Dashboard Onboard Monitor Display Screen 8.8
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Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630
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Volkswagen Golf CD1 Tailgate Trunk Lid Wiring Harness Rubber Cover 5G6971829B
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Alternator Generator Honda Civic Jazz Petrol Engine Mitsubishi 31100-PWA-004
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Audi S7 4G8 Front Lamp Headlight Level Sensor 3C0907503
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BMW F25 F26 Head Unit Basis Media Navigation System Controller DAB 6821164
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Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000
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Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950
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Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
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Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214
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Part no. 2650917
Ford Transit Connect Engine Alternator Generator Unit Diesel KK3T-10300-BB
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Part no. A1648703726
Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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Mercedes W177 A35 AMG 306HP 260.920 4Matic Engine ECU Control Unit A2649001200
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Seat Wiring Mercedes C117 W176 W246 Loom Harness Cable Left N/S A2465409711
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BMW F20 F21 F30 Ultrasonic Parking Sensor PDC Front Havanna Metallic - A17
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Mercedes-Benz C-Class W203 W204 W211 Diesel Engine Starter Motor A0061512501
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BMW E90 E90N E91 E91N E92 E92N E93 LCI NOX Wiring Loom Cable 7541009
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BMW E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Automatic
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BMW G20 Reverse Rear View Camera 5A63731
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VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
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Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202
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Audi A3 8P Starter Motor Engine Diesel Actuator Unit 02A911023 LRS00791
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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Mini Countryman F60 BMW F45 X1 F48 Air Module Control Unit ECU 7911252
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VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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Renault Trafic Opel Vivaro Diesel Starter Motor 8200568535
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Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686
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Negative Cable Mercedes C117 W176 Battery Lead Minus Pole Wiring A1765400009
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Audi A4 B9 Air Module System Control Sensor ECU Unit 8W0959655P
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BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122
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BMW X1 E84 ECU Body Control Module Unit Junction Box H2 PL2RR JBBFE IIIR 9264573
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Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372
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Mercedes CLK W209 Automatic Gearbox EGS Control Unit Module ECU A0325452332
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Part no. A1645403372
Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372
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BMW E81 E87 E90 E91 E92 Radio CD Professional 9150109 65129150109
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Part no. A2049014503
Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503
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Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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Part no. 7545789-16
Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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BMW Z4 Series E85 Roadster Driver's Side Door Wiring Loom Cable 6933950
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Ford Transit Connect 1.6 TDCI Engine Control ECU Module Manual DV6112A650CEC
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Mercedes-Benz W245 Front Bumper Parking Sensor Parktronic Wiring Cable Harness
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Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373
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VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
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Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A
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BMW 1 Series E82 Wiring Loom Set Rear Complete Harness PDC Parking Sensor
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Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
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Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502
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Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Door Cable Mercedes W212 Wiring Loom Front Left N/S Passenger Side A2124401651
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Mercedes-Benz W203 M111 C 200 230 K Bosch Alternator Generator A0111547202
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BMW E90 Body Control Module M Junction Box PL2RR JBBFE IIIR ECU 9364819
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Mercedes S204 Estate Fuse Box Rear SAM Module Control Unit A2049005003
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Ford Transit Connect Negative Battery Terminal Cable Wiring 9T1T-14A280-MBC
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STAG QBOX Basic LPG CNG 4-Cylinder Control Unit Module Injection Controller ECU
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Audi A3 8P Speaker Tweeter Front Left Right N/O/S Pillar A 8P0035399B
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Audi Q3 8U Air Module Crash Impact Sensor Control Unit 8U0959651
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Ford Transit MK7 2.4 TDCI T24DD0P Diesel Engine Control Unit ECU AC1112A650BC
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Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
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MINI Cooper R52 R53 W11 170HP Engine ECU Control Unit DME 7545789 Manual
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BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
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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 .