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. A2539003809
Mercedes W253 Display Screen Monitor Radio Sat Nav Navigation Unit A2539003809
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Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Starter A6519060026
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Fuse Box Mercedes W169 W245 Electrical Relay Control Module Unit A1695451740
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Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
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Audi A1 8X 1.4 TFSI CZCA Engine Wiring Harness Loom Manual Gearbox 04E971612BD
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Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401
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Bluetooth Module Mercedes W247 W447 Multimedia Control Unit ECU A2479009412
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Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
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BMW X5 E70 Aerial Antenna Amplifier Diversity 9193847 9134281
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Mercedes Vito W639 Positive Battery Terminal Cover Cap Trim Red A6395450191
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Mercedes ML W164 Air Module System Control Unit A1648209585
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BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270646
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Audi Q7 4L Front Door Module Driver Right O/S Side Control Unit 4L0959793B
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Mercedes-Benz M ML W163 OM612 Engine Wiring Harness Loom Cable A1635402810
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Mercedes W220 Headlight Head Lamp Control Module Unit A2208203685
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Land Rover Freelander 2 L359 2.2 Alternator Support Bracket Mount 9661310080
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Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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BMW E90 E91 E92 E93 Negative Battery Wiring Cable Minus Pole IBS Adapter 9184207
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BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
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Mercedes Sprinter W906 Alternator Generator Diesel 180A 14V A0009068802
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Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
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BMW E93 Audio Radio Sound Amplifier Unit HIFI System Lear 9246187
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BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
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Battery Junction Block Mercedes W176 W246 Battery Plus Pole Terminal A2469068601
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PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129
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Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943287
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Yaw Sensor Mercedes W203 W209 ESP Rotation Rate Control Unit Module A0035423918
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Mercedes ML W164 Control Unit Module Fuse Box SAM A1645404601
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Mini Cooper One R56 SPEG PL3 M2 Fuse Distribution Box 3453293
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VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A
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Mercedes W169 PDC Parking Sensor Distance Control Module Unit ECU A1695455332
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VW Volkswagen New Beetle 1.6 BFS Petrol Starter Generator Motor 02A911023L
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM3R Lear 9159812
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BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
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Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
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Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469003818
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Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Front Left N/S
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Speed Sensor BMW Z3 E36 3 E46 DSC Yaw Rotational Speed Sensor 6754289
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BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6970680
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Mini R60 Xenon Headlight Adaptive Ballast Control Unit 7171587
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Audi A4 B7 2.0 TDI Diesel Engine Control Unit ECU Module Manual 03G906016JD
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Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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BMW G30 Engine Wiring Loom Harness Ignition Module 8482313
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Range Rover L322 3.0 Starter Motor Diesel Engine Denso 7787925
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Audi TT Mk2 8J Petrol Engine Fuel Pump Control Unit Module 3C0906093C
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BMW X3 E83 Telematics Bluetooth Control Unit Module Computer 9207074
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Radio Business BMW E81 E87 E90 LCI CD Player 9229240
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Volkswagen Golf Mk7 Audi A3 8V Alternator 14V 140A 1.5 TSI 05E903026B
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Mercedes Sprinter W906 OM651 OM642 Diesel Adblue Control Unit ECU A0009002914
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Engine Wiring Loom Mini R50 Petrol W10 Module Harness Cables 7520321
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Skoda Octavia Mk3 5E Multifunction Display Screen Control Unit 5E0919605M
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Adblue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9488418
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BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
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Mercedes W205 Radio Audio Navi GPS Head Unit A2059007815
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Part no. 6939655
BMW E60 E61 E63 E64 Micro Power Control Module MPM ECU 6939655
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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326
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Head Unit Kia Ceed MK1 ED SW Radio CD Player MP3 RDS Unit 96160-1H000
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Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A
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Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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Telematics Module Mercedes W176 W207 W205 Bluetooth Control Unit A2139003617
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VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G
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Mercedes ML W164 Diesel Engine Starter Motor A0061516101
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Mercedes X253 Central Control Unit Electronic Module A2139006633
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Renault Trafic F83 M9R 2.0 DCI Engine Control Unit Module ECU 8200935115 Manual
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Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 9645100680
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Mercedes-Benz S-Class W220 Aerial Roof Antenna Shark Radio A2208201475
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Renault Master 2 Opel Vauxhall Movano A 2.5 DCI Engine Starter Motor 7711134330
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Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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BMW X5 E70 Telematics Bluetooth Control Unit Module ECU Continental 9205930
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Ford Transit MK7 2.2 TDCI P8FA Diesel Engine Control Unit ECU AC1112A650BC
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Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450
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Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907064EB
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Engine Wiring Mercedes W204 C207 W212 M271 Harness Loom Cable A2711500620
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Audi VW Golf MK5 Seat Skoda 1.9 TDI Alternator Mount Support Bracket 038903143AF
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Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P
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Mercedes W221 Rear Armrest DVD Player Control Headunit A1669062300
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AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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BMW X5 E53 Base B Positive Battery Terminal Cable Cover Compartment
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Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116
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BMW E46 316i M43 Petrol Engine Wiring Harness Engine Module Wiring 1439874
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Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU Kit 03C906016BG BCM + Key
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Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A
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BMW F20 F21 Amplifier Holder Audio Catch Bracket Trim Panel 9216337
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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 .