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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Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
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Alternator BMW Z4 E89 23i 30i N52N Alternator Denso 170A 14V 7552815
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Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
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BMW 4 Series F32 F82 F83 M4 KaFAS Camera Assist Speed Limit Control 9384686
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Audi A3 8V 1.4 TFSI Petrol Starter Motor Engine Actuator Unit 0AM911023N
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Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
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Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9383178
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Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CD
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Mini Cooper Convertible R57 Fuse Box Electrical Control Unit 3450646
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6932812
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Audi SQ5 FY Starter Motor Engine Diesel Bosch 06M911021A
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Mercedes Vito W447 Transmission Gearbox Control Unit Module ECU A4479002707
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Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
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Mini Cooper R60 R61 Trailer Towing Control Module Cover Bracket 9805654
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BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Left N/S 9230554
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VW Volkswagen LT 35 BBF 95HP Engine Control Unit Module ECU 074906018BD Manual
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Led Indicator Module BMW F32 F33 F36 F80 F82 F83 Light Signal Blinker 7493232
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Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9360344
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Audi A4 B8 2.0 TDI Diesel CAGA 143HP Engine Unit ECU 03L906022MK Automatic
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BMW 3 5 Series E60 E61 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7555361 Manual
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BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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BMW F20 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9341082
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Telematics Module BMW F20 F21 Bluetooth Teleservices GPS Control Unit 2622605
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Audi Q5 8R Reversing Camera ECU Control Unit Module 8R0907441A
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BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9204526
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Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896
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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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Volkswagen Audi Skoda Audi 1.6 TDI Diesel Engine Starter Motor 0AM911023M
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Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
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Mercedes ML W164 Radio Player Audio Stereo CD Player Head Unit A1648202679
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Mercedes W176 A200 CDI BE OM651.901 Engine ECU Kit A6519007600 Key + Lock
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Mercedes C118 W117 Battery Cable Negative Terminal Wiring A0009053816
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BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728
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BMW E60 E61 Front Seat Occupancy Sensor Mat 6940422
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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BMW F98 Engine Starter Motor 8671505
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
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BMW Z4 E89 20i N20 184HP Petrol Engine ECU Kit CAS3 + Keys 8661466 Automatic
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BMW 3 Series 2 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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BMW 3 X1 Series E84 E91 E91N LCI Control Unit Sliding Lifting Roof 6955927
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Airbag Module Citroen Berlingo Peugeot Partner Control Unit Sensor 9674290780
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Audi A5 8T Gateway Control Module Unit ECU 8T0907468F
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BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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BMW E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
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BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8679840 Drivelogic
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Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230
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BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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BMW X5 E53 3.0d M57N 218HP ECU Kit DDE + EWS3 + Key 7794626 Automatic Gearbox
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Mercedes ML W164 Front Left Control Unit Module Door A1648203785
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Audi A1 8X Seat Leon Mk3 Cupra 5F Alternator Generator Petrol Engine 06J903023BX
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Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
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BMW E81 E87 LCI 120i E90 E91 320i N43 170HP Engine ECU DME 7595179 Automatic
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Mercedes W140 Parking Control Unit Module Sensor A0205457832
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BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962
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Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704
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BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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Mercedes SLK R171 Air Module Bag SRS Control Unit ECU A1718205826
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Audi A4 B8 Seat Exeo Servotronic Relay Control Unit 9 Pin 8E0907307F
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Seat Wiring Cable BMW E81 E82 E90 E92 Front Right O/S Seat Loom Harness 9131760
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BMW E87 E90 E91 Professional CCC Navigation System Controller 9117563
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Ford Transit Connect Mk2 II Radio Stereo CD Player Head Unit F1BT18C815HK
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Mercedes W164 Central Gateway Control Unit Module A1645405662
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BMW F30 F31 Lane Change Wiring Sensor Module Master Right O/S HC-2 6856283
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Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B
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Fuse Box Mercedes W205 W213 GLC X253 Hybrid Power Distribution Unit A2135401115
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Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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Audi A7 4G Front Camera Assistance Line Unit 4H0907217F
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Mini Paceman R61 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Mini D R60 R61 ALL4 N47N 112HP Engine ECU Control Unit DDE 8583423 Manual
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BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882
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Part no. 8516739-2
Mini One D R55 R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8516739 CAS 3 Key
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Alternator Generator Mercedes W211 S211 OM646 Diesel Engine 200A A0131545902
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Audio Amplifier BMW F20 F21 F23 LCI I3 I8 Top Hifi Harman Kardon Unit 9382517
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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 .