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. 5Q0959393K
Audi Q2 GA A3 8V Front Door Control Module Unit Right O/S 5Q0959393K
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Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
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Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401
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Cable Wiring Mercedes W177 W247 Fuel Pump Sending Unit Plug Socket A1775404910
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Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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Mercedes W176 A160 W246 B160 270.910 102HP Engine ECU Unit A2709002100 Manual
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BMW X5 X6 E70 E71 M57N2 Alternator Generator 180A VALEO 7801173
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BMW 1 3 5 Series E87 LCI E90 E60 Hands Free Bluetooth Module High MULF2 9178898
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Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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BMW E81 E87 LCI E90 E91 118i 318i N43 ECU Kit DME 7593666 + CAS3 + Key Manual
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Engine Wiring VW Polo 9N 1.4 TDI Injector Ignition Loom Harness Cable 045971803
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Mercedes W204 Front Bumper PDC Wiring Parking Loom Harness A2045400608
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Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
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BMW E60 E61 Touring Light Module Control Unit ECU LM MAN.LWR 9116255
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Mini Cooper R56 Fuse Box SPEG High DC/DC H4 3455235
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BMW Mini Cooper R55 R56 RGB Cabel Radio Display LVDS Cabel CCC KKB 9114920
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Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
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Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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Mini Cooper S F55 F56 F57 Petrol Injector Wiring Cable Loom Harness 8678962
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Mini Cooper R50 R52 Automatic Gearbox Transmission Signal Control Module 7513338
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Audi S4 B8 Alarm Siren Body Sound Impact Actuator Speaker 4H0907601A
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BMW X5 E39 E46 E53 Motorola Hands-free Electronics Control Unit ECU 6921857
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BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
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BMW 3 X3 X5 E70 E91 E83 1 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
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BMW E38 Earth Cable Battery Engine Electrical Cable Wiring 1436907 1436908
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Audi A4 B8 A5 8T Body Control Comfort Unit Module Unit ECU 8K0907063M
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
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Head Unit BMW F20 F21 F22 F30 F31 F82 LCI Sat Nav Radio Media Navigation 8736162
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Audi A3 8P Battery Clamp Positive Plus Pole Cable Protection Panel 1K0971920
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Porsche Macan 95B Front Crash Impact Sensor Air Module Control Unit 4H0955557A
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STAG QBOX Basic LPG CNG 4-Cylinder Control Unit Module Injection Controller ECU
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Porsche Cayenne Turbo 955 9PA Kessy Entry Control Module Unit 3D0909137FX
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BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679
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Audi A3 8P CCM Covenience Control Module Unit Relay Board ECU HELLA 8P0959433F
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Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Mercedes W177 W247 M260 Exhaust Control Valve Flap Actuator Drive A2229067403
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BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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BMW G20 320d B47D 190HP Engine Control Unit Module ECU Kit DDE 8475468 Key BDC
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Mercedes W211 OM646 Battery Cable Starter Alternator Wiring Harness A2114406209
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Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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Battery Cable Citroen Relay Peugeot Boxer Positive Wiring Harness 1362688080
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BMW E70 E81 E90 E91 Mini R56 R57 R60 R61 Bluetooth Module Combox Media 9248178
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MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952
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Mini F56 F60 BMW F40 F39 Diesel B37 Battery Starter Alternator Wiring 8580059
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BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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Audi A4 B7 2.0 TDI Diesel Engine Control Unit ECU Module Manual 03G906016JD
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Audi Q5 FY Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907064AP
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BMW E39 E46 E53 E83 Control Unit EWS IV 9127086
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Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 1-4 7843329
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PDC Display Mercedes W639 Front Parking Sensor Screen Control Unit A0015422623
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Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL
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Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107N
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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Mini Cooper R56 LCI High SPEG Fuse Distribution Box 3456851
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627
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Land Rover Range L322 3.0d M57 Engine Wiring Loom Harness Automatic 7788409
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Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2044401001
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Communication Module Mercedes W177 W205 W213 X253 Hermes LTE Unit A2389008601
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Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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On Board Monitor BMW E60 E63 E90 Dashboard Display Screen 8.8" 9114362
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BMW Mini Cooper F54 F55 F56 F60 HSD Line HU - CID 9314635
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 Lear 9312602
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Head Unit BMW F10 F20 F30 Basis Media Navigation Headunit 9357991
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Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Mercedes-Benz A-Class W169 CD Player Radio Stereo Head Unit A1698700289
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BMW X5 E70 LCI Footwell Light Control Module Unit Lear FRM3R XE 9287250
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Audi A6 C6 Body Control Comfort Unit Module BCM Convenience Unit 4F0907279B
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Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Mini Cooper R60 R61 Antenna Aerial Diversity Trap Circuit 9185474
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Mercedes C209 220 CDI M646.966 150HP Engine Unit ECU A6461506479 Automatic
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BMW F20 F21 F30 F31 F32 BCM Body Control Unit Module REM 9329701
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Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
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Renault Trafic III Vauxhall Vivaro B Relay 4-Pin Blue Electrical Unit 252300973R
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BMW E87 E90 CAS2 ECU Control Unit Module 61356943791 6943791
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Audi A8L 4H TV Tuner Digital Video Control Module 4G0919129C
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Mini Cooper One R50 R52 Starter Motor 0,9KW BOSCH 4542741
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BMW E61 Body Control Module Unit ECU BCM KBM High 6957529
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Porsche Cayenne 92A Radio Navigation Head Unit Control Panel Screen 7PP919193CL
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 2 Keys CAS4
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Volkswagen VW Crafter SY Fuel Pump Module Control Unit ECU 2.0 TDI 3Q0906121C
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Parking Sensor Wiring Mercedes W177 W247 Rear Bumper PDC Loom Cable A1775405710
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BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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BMW 1 Series E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9160187
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Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171
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BMW F45 Active Tourer LED Module Cornering Light Front Right O/S Unit 7391400
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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 .