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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Nissan Quashqai M9R Diesel Engine Control ECU Manual Gearbox 23710 JD78E
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual CC1112A650AC
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Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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VW Volkswagen Golf MK6 Steering Wheel Column Control Module 1K0953549CF
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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
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Mercedes W221 Fuse Box Front SAM Module Relay Control Unit A2215402862
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover Mount 1K0915333H
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BMW F20 F21 F30 F31 LCI Professional Navigation Sat Nav Unit Head Unit 8794119
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Audi A4 B8 2.0 TDI Alternator Generator 03G903016G
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual 6C1112A650AN
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
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Mercedes ML W163 Alternator Generator A0001502550
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Mercedes Sprinter W907 W910 Front Door Module Control Unit Left N/S A1679008405
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
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BMW E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069006102
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Immobilizer Antenna Ford Transit MK8 Control Module Unit BK2T15607AC
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Radio CD Player Ford Mondeo MK4 Galaxy MK3 Sony DAB Radio Stereo BS7T18C939FB
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Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P04727770AC Automatic
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BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9172364
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Mercedes ML W164 Air Module SRS Control Unit ECU A1648207926
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Mercedes CLK C209 Keyless Go Module ECU Entry Door Control Unit A2098202526
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Starter Motor Land Rover Freelander 2 Diesel Engine Actuator LR003468
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Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385
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Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485
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TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
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Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
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Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
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Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9239226
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Mercedes-Benz C W203 Front Bumper Parking Sensor Wiring Loom Cable Harness
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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Starter Motor Ford Transit 2.4 TDDi Diesel Engine 1S7U11000BC
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Mercedes ML W164 SLK R171 W211 C219 CD Changer 6 Disc Player Unit A2118705390
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Renault Trafic 3 BSI BSM Body EMM-T4 L3 Control Unit Module 231A08052R
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585
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BMW F45 Mini F55 F56 Head Unit Basic Media DAB Headunit 9381320
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Mercedes SLK R171 Air Module Bag SRS Control Unit ECU A1718205826
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Exhaust Flap Control Mercedes C117 W176 W246 Actuator Drive Unit A0009061201
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BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Mercedes R171 W203 W211 Phone Adapter Contact Plate Holder Telephone A2038201411
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Mercedes W221 Anti Theft Roof Alarm Ultrasonic Motion Sensor Unit A2218207510
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VDC Module BMW X5 E70 X6 E71 Vertical Dynamic Control Unit ECU 6785396
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BMW F30 LCI F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9393194
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
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Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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Mercedes ML W164 Cable Loom Wiring Parking Sensors Rear Bumper A1645402405
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BMW E60 E87 E90 E91 120d 320d 520d M47N2 ECU Kit DDE 7798180 CAS2 + Key Manual
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Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
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Mercedes ML W164 Battery Positive Cable Wiring A1645402830
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Mercedes ML W164 Parktronic Parking Control Unit Module A1645453316
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718205226
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718205126
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Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
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Citroen Dispatch Jumpy III 9HM DV6UC 1.6 Diesel Engine Module ECU 9807885980
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Mercedes W212 Front Seat Headrest Display Screen Monitor Unit A2128205404
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9387260
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FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9352861
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9868386
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BMW E92 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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Fuse Box Mini R55 R56 R58 1 Electrical System Distribution 9213372
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Mercedes W204 Display Screen Multimedia Navigation Dashboard Unit A1729008600
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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 .