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. 7559178-4
BMW E60 E90 E91 330i 530i Engine N52 ECU Kit DME 7559178 CAS2 + 2 Keys Manual
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Mercedes ML W164 Rear Control Unit Module Fuse Box SAM A1645401801
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BMW G11 G12 G30 G32 G14 Starter Cable Alternator Cable Starter-Base B+ 8595355
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Alarm Sensor BMW E84 E91 Ultra Sonic-Module System Control Unit 9260874
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6944499
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Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
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Kia Sportage 3 1.7 Diesel Engine Starter Motor Denso 36100-2A550
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VW Golf 3 GTI 2.0 16V ABF 150KM Petrol Manual Engine Unit Module ECU 037906024BE
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Mercedes GLC X253 220d 170HP 651.921 Engine Unit ECU A6519006401 Automatic
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Mercedes Vito W639 OM651.940 Diesel Engine Wiring Cable Loom Harness A6511501488
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Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
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Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000100
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BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666
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Renault Trafic II CD Radio Audio Player Stereo Head Unit 281150049RT
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BMW 3 Series E93 Cabrio Airbag Control Unit Module ECU 9159794 65779159794
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Mercedes W204 Fuse Box Grouping Fuse Placement Map Card Diagram A2045842982
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Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
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VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282B
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Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
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Audi Q2 GA A3 8V Front Door Control Module Unit Right O/S 5Q0959393K
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Volkswagen Golf Mk7 Seat Leon 5F Media Port Socket Connection Adapter 5G0035222
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Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484
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Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220
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BMW E60 LCI Radio Player M-ASK M-Audio System Controller Head Unit 9195756
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280
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BMW E60 E81 E87 E90 E91 CAS 3 Control Unit ECU Key Reading Module CAS3 9147195
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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Parking Sensor Display Mercedes W176 W204 W246 Dashboard Panel PDC A1725420023
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Mini R58 R59 Wiring Set Loom Harness PDC Rear Bumper 9283673
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Part no. 7520019-10
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506
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Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 1308204070
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Mercedes W204 Headlight Range Control Unit Module ECU A1669002906
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Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Front Left N/S
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Seat Control Unit BMW X5 E70 E87 E90 E91 E92 Module Memory ECU 9162959
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Ford Transit Custom Rear Bumper Parking Sensor Wiring Harness Loom BK2T15K867DC
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Audi A5 8T 2.0 TFSI CNCD Quattro 224HP Engine ECU Kit 8T2907115 Key Ignition
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VW Polo 9N MK4 Fabia II 1.4 TDI BMS Alternator Mount Support Bracket 038903143AG
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BMW 3 4 Series F30 F82 M4 Carrier Mount Holder Backrest Left N/S 7346699
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Volkswagen VW Jetta A6 Fuse Box Cover Panel Top Lid 5C0937132A
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Mercedes W205 Air Module ICM SRS Control Unit ECU A2059009527
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Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9244394
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BMW E81 NSW ECU Light Module Footwell Module PL2 FRM II 6135 9197159
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Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6511500126 Key
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Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700
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Audi A1 8X PDC Assistance Parking Distance Control Module Unit ECU 8X0919475AE
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Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804
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BMW X3 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9289256
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VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
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Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409
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Audi A8 D4 Seat Cable Front Left Right N/O/S Seatbelt Warning Wiring 4H0971365J
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Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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Headlight Module BMW F36 Headlamp Control Unit FLE2 MAX 7429125
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VW Polo 9N Battery Terminal Fuse Distribution Cable Cover Power Board 6Q0937517
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Porsche Macan 95B Front Crash Impact Sensor Air Module Control Unit 4H0955557A
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Porsche Cayenne Turbo 955 9PA Kessy Entry Control Module Unit 3D0909137FX
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BMW Mini Cooper One R50 R53 Fuse Box Cover Black 1480793 61131480793
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BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox
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Volkswagen Transporter T6 Power Distribution Unit Box With Bracket 7LA937548
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Amplifier BMW F82 F87 F80 F83 Active Sound Design Control Unit 8729433
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AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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Mercedes-Benz W221 Distronic Intelligent Cruise Control Radar Unit A2129004603
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Volkswagen VW Crafter SY Fuel Pump Module Control Unit ECU 2.0 TDI 3Q0906121C
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Part no. A6399000800
Mercedes Vito W639 Fuse Box Relay Control Unit Front SAM Module A6399000800
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Part no. 95B959655G
Porsche Macan 95B Air Module Control Unit ECU 95B959655G
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Part no. 7259877
Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877
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Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
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Peugeot Partner 1.6 HDI 9H03 Engine Control Unit ECU EDC 9664843780 Manual
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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Mercedes CLK W209 Convertible Fuse Box Rear SAM Module Control Unit A2095450901
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
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BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118702626
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Part no. 7616200-1
Negative Battery Cable BMW E90 E91 E92 E93 Minus Pole IBS 7616200
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Part no. 6Q0909605AL
Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
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Alternator BMW F10 F13 F07GT F02 Petrol N63 Alternator valeo 230A 7603779
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Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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BMW E81 E87 E90 Hands Free Electronics Charging Bluetooth Module MULF 6950089
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Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716
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Mercedes X253 Front Bumper PDC Wiring Parking Sensor Loom Harness A2535406430
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BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME Manual Control Unit 9895416
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399002900
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BMW E91 Light Control Module ECU PL2 FRMFA Lear 61359128183 9128183
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BMW X3 Series E83 Wiring Passenger Side Loom Front Door Cables 3427751
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BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
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Mercedes C205 Midline Sound Audio Amplifier Unit A2059000044
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Audi S4 B8 Aerial Antenna AMP Amplifier Booster Unit Module 8T0035223F
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Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926
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Telephone Cable Mercedes W204 C207 W212 Wiring Adapter Line A2048200015
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Volkswagen VW Touran 1T Alternator Main Cable Wiring Harness Loom 1K0971349EM
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9305712
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Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Part no. 6980177-3
BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177
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Volkswagen Golf CD1 Front Door Right O/S Loom Wiring Cable Harness 5H4971162MP
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Part no. 3456857
Mini Cooper R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3456857
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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 .