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. A2035400006
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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Mercedes ML W164 W221 Air Suspension Valve Block Control Unit Module A2513200058
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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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Camera Module Mercedes W156 W176 Reversing Rear View Control Unit A1179006000
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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 Aerial Antenna Amplifier Module Unit A1648701589
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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 W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826
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Battery Cable Mercedes W176 W246 Negative Harness Lead Terminal A2469069600
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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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Part no. A1718205226
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718205226
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Part no. A1718205126
Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718205126
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Mercedes SLK R170 W202 W210 Module Control Unit SRS Sensor ECU Bosch A0018200826
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Mercedes SLK R170 W202 W208 ESP Control Unit ABS ASR Module ECU A0195453132
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Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
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BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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BMW E60 E61 E63 E65 Dynamic Drive Control Unit Module Front Suspension 6780590
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Mercedes W221 Air Suspension Control Unit Module Airmatic A2215404062
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Part no. 2153319
Audio Amplifier Mini R55 R56 Alpine Hi-Fi System Amplifier Booster 2153319
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BMW F45 X1 F48 Mini Cooper F55 F56 F60 Diesel Engine Starter Motor 8581788
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Part no. 9807885980
Citroen Dispatch Jumpy III 9HM DV6UC 1.6 Diesel Engine Module ECU 9807885980
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Part no. A2128205404
Mercedes W212 Front Seat Headrest Display Screen Monitor Unit A2128205404
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Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A2129005300
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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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BMW 1 Series F20 Rear Module Fuse Box Power Distribution Control 9362397
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BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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Part no. 9133625
BMW E93 Convertible Rear Bumper PDC Cables Wiring Loom Set 9133625
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Part no. A0305454632
Mercedes-Benz M-Class ML W163 Gearbox Transmission Control Unit ECU A0305454632
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Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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Part no. A1635450016
Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399002900
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BMW 1 3 Series E81 E87 LCI E90 N47 120d 320d 177HP ECU Kit DDE 7811700 CAS3 Key
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457526
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Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
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BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
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Battery Bracket Mercedes Sprinter W906 W910 Mount Trim Holder A9065410400
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Vauxhall Vivaro B Renault Trafic 3 Fuse Box Battery Terminal Module 243501820R
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Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511502620
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Mercedes W221 Gateway Control Unit Module ECU A2215408845
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Part no. A2129008404
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129008404
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Part no. A2128703689
Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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Part no. A2118701310
Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310
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Part no. A1715400506
Mercedes SLK R171 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1715400506
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Part no. 8642704
Mini One F56 B38 102HP Petrol Engine ECU Control Unit DDE 8642704 Manual
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BMW F31 Touring Body Control Unit Module HKFM 7388490 0066245503 F005V01610
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Part no. 7787925
Range Rover L322 3.0 Starter Motor Diesel Engine Denso 7787925
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Mini One R50 W10 90HP Engine Control Unit ECU DME 7545789 Manual Transmission
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Mercedes C219 CLS350 CDI OM642.920 Engine Module ECU A6421501230 Automatic
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Mercedes W212 Control Unit Module Bracket Holder Mount A2125452640
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Part no. 7544610
BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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Mini Cooper S R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + 2 Keys Manual
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Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8585225 BDC Key Manual
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Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DDE 8486844 BDC Key
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BMW F10 F11 Pedestrian Protection Sensor F-Optic Control Unit 9318777
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Part no. A1718200386
Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual
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BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
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Earth Ground Cable Mercedes Sprinter W901 Battery Wiring Loom Engine A9015400631
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Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
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Mercedes W204 Navigation Radio CD Player Head Unit A2049007202
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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Fuse Box Mercedes W203 C209 Rear SAM Module Relay Control Unit A2035453801
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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. A2045454701
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501
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BMW F23 Cabrio Convertible Folding Top Module CVM 8 Unit 9378072
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Part no. 9348728
BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Part no. A2046800931
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046800931
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Part no. A2045453901
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
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Part no. A2048208285
Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Part no. 6906614-1
Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906614
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Part no. A2118208185
Mercedes W211 Door Module Front Left N/S Driver Control Unit ECU A2118208185
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Part no. A2118208285
Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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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 .