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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BMW X3 F25 Cables Set Wiring PDC Parking Sensor Front Bumper 9335474
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BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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BMW F10 F12 F13 F20 F22 F30 F31 Navigation Radio Sat Nav Head Unit High 6832270
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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609
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Mercedes Sprinter W907 W910 Body Control Module BCM V2 ECU A9079000305
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BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Alternator Bracket Mount 117105124R
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BMW X6 E71 Footwell Light Control Unit Module FRM3R LEAR 9308373
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BMW Mini Cooper R55 R56 R57 N12 Engine Extension Cable Blow By 7568769
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Mini F55 F56 F60 LCI Navigation Touch Screen 8.8" Display Nav Head Unit 9824925
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Mercedes W205 Centre Console Lighting Wiring Harness Cable Loom A2059061905
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Mercedes W176 M270 Petrol Engine Wiring Harness Loom Cable A2701504400
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Mercedes GLE250 W166 OM651.960 204HP Engine ECU Kit Ignition + Key A6519004201
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Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401
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PDC Control Unit Mini R55 R56 R57 R58 R60 R61 Parking Sensor Module 3450085
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Audi Q2 GA Q3 F3 Rear Boot Trunk Lid Tailgate Control Unit Module 5Q0959107AB
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BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622
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BMW X5 SERIES E53 3.0i M54 Engine Wiring Loom Harness Module 7531986
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BMW X1 Series F48 Right Head Air Module Roof Curtain O/S 7352602
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Fuel Pump Module BMW F20 F21 F30 F31 N13 Petrol Control Unit 7447895
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Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
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BMW E65 E66 Front Seat Occupancy Sensor Mat 6914666
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TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
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BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
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Battery Cable BMW X5 F15 X6 F16 Positive Plus Pole Distribution Wiring 9322056
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BMW 5 F10 F11 Battery Cable Wiring Harnes Lead Positive Underfloor 9150990
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Volkswagen VW Jetta A6 Fuse Box Cover Panel Top Lid 5C0937132A
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Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118704026
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BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual
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Airbag Module BMW F10 F12 F13 X3 F25 ECU Control Unit Air Bag 6837358
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Mercedes SLK R172 C207 Front Fuse Box Relay Control Unit SAM Module A2129006429
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BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086
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Mercedes C253 Electronic Control Unit Module A2539003001
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BMW 5 7 X5 E34 E38 E39 E53 Petrol Engine Starter Motor 1729981
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Audi A4 B7 A6 C6 Diesel Starter Motor 3.0 TDI 059911024
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L
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BMW F20 F21 F30 F31 Parking Assistant Control Unit Module 6864898
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Speed Sensor BMW Z3 E36 3 E46 DSC Yaw Rotational Speed Sensor 6754289
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VW Polo 9N Battery Terminal Fuse Distribution Cable Cover Power Board 6Q0937517
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Light Module BMW E90 LCI ECU LED NSW Control Unit PL2 FRM II 9204532
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Audi A6 4F C6 3.0 TDI Diesel Starter Motor Bosch 0001109319 059911024D
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BMW 3 5 7 X5 Series E61 E65 E70 E90 Telematics ECU Control Unit GSM 9206778
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BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6819950
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Volkswagen VW Golf Mk7 Gateway Control Unit Module ECU GW MQB High 3Q0907530Q
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BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09221135 9221135
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Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107
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BMW 5 X3 Series E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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Heater Resistor Volkswagen VW Touran 1T Blower Motor Fan Resistor 3C0907521
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Ford Transit Mk8 Airbag Module ECU Control Unit Air Bag BK3T-14B321-AD
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BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
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Mercedes-Benz CLK W208 E W210 Xenon Headlight Level Control Unit Module LWR
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BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
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Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1699002000
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Mercedes-Benz W169 W245 48V Technology SAM Control Module Fuse Box A1699001600
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Air Module Mercedes W210 SRS Control Unit ECU Control Module A0028203226
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Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877
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BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
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Mercedes ML W164 Rear SAM Module Control Unit Fuse Box A1645400701
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Mercedes C238 E53 Coupe Window Lifter Comfort Module Unit Rear A2389000401
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Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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BMW E90 E91 LCI Wiring Cable Harness Gearbox Transmission Module 8507810
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Volkswagen Touran 1T Scirocco III BCM Body Control Module Unit ECU 5K0937087AD
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Mercedes W169 CD Navi Media Player Radio COMAND Head Unit A1699002400
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Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04801516AA
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Module Land Rover Freelander 2 ECU Front Door Lock Control Unit 6G9T-14B533-EL
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Audi S4 B8 Aerial Antenna AMP Amplifier Booster Unit Module 8T0035223F
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BMW X1 E81 E84 E87 E90 E91 Earth Cable Battery Cable 7795485
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BMW 3 E91 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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BMW F48 F49 Front Bumper PDC Wiring Loom Cable Harness 9392514
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Mini Cooper One R50 R52 R53 Radio Boost CD Player Unit Head 9115661
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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Peugeot Partner Glow Plug Relay Control Unit Module 9640469680
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801A
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Audi A4 B7 Electronic Yaw Rate Sensor Module 4F0907637
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Audi A4 S4 B9 Boot Trunk Subwoofer Rear Bass Speaker Audio Unit 8W9035382B
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Right A2108206626
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Air Module Mercedes ML W166 Interior Safety SRS Control Module A1669001311
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BMW F11 Aerial Antenna Amplifier Diversity 868 MHZ 9276016
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Audi TT 8J Starter Motor Engine Diesel Valeo 02M911024N
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Part no. 3457587
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Audi A4 B9 Air Module System Control Sensor ECU Unit 8W0959655P
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Part no. AV6N-10300-GC
Alternator Ford Focus MK3 Fiesta MK6 1.6 TDCi Engine Generator AV6N-10300-GC
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BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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Audi A1 8X Starter Motor Petrol Engine Electrical Unit Actuator 02M911024J
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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 .