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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Ford Transit MK7 Positive Battery Management System Unit Module CC1T-10C652-AC
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Control Unit Mercedes W213 W217 Front Right O/S Door Control Module A2139002522
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BMW X5 E70 Alternator Generator Engine Unit Valeo 220A 14V 7801124
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Audi A5 8T 2.0 TDI CAHA 170HP Engine Control Module ECU 03L906022RM Manual
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Audi Q7 4L Body Comfort Control BCM Onboard Supply Module Unit ECU 4L0910553L
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Mercedes W202 W210 Engine Cooling Radiator Fan Control Unit Module
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Mercedes ML W164 W251 SAM Module Control Unit ECU A1649004600
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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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BMW F34 320i N20 184HP Engine Control ECU Kit Module DDE 8626172 FEM Key
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Mercedes W177 W247 Telematics Module Communication Control Unit A1779008103
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Skoda Yeti 5L Octavia III Card Map Sat Navi Navigation Europe 2015 5L0051236H
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Volkswagen VW Amarok NF Audio Sound System Amplifier Unit P1XT-18T806-AC
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Mercedes W212 Fuse Box SAM Control Module Unit ECU A2129007124
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Mercedes-Benz E-Class S211 W211 Aerial Roof Antenna Phone Telephone A2118202775
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Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A2129005300
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LION Calcium Accumulator Battery 70Ah 640A 12V
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Mercedes-Benz C208 W210 Front Right Door O/S Control Unit Module A2108207826
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Relay Mercedes W124 E280 Petrol Fuel Pump Cut Off Relay A0035452405
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Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627M
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SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Air Module Mercedes W210 SRS Control Unit ECU Control Module A0028203226
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BMW F20 F21 LCI F23 F30 F32 F33 Engine Wiring Loom Harness Cable 8605144
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Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
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Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A 7540992
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Volkswagen Passat B7 Central Gateway Control Unit Module Relay ECU 7N0907530AN
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Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME EWS + Key 7557395 Manual
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Mercedes-Benz C-Class W203 CD Media Player Radio Audio 20 Phone A2038703689
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Audi A4 B8 A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063L
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8582280 Keys FEM Manual Transmission
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Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 9250421
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VW Touareg 7P Door Wiring Loom Harness Cable Front Driver's Side 7P6971162DJ
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Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780
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Audi A4 B8 A5 8T Door Control Unit Module Front Driver's Side 8T0959793K
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Mercedes W212 Front Seat Headrest Display Screen Monitor Unit A2128205404
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Volkswagen VW Passat B7 Module BCM Body Control Unit Module ECU 3AA937087R
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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-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635403233
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Audi A4 B8 A5 8T 2.0 TDI CGLD Engine Control Unit ECU 03L906018JH Manual
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Mercedes-Benz W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver
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Mercedes W124 E280 Comfort Control Module Unit ECU A2028200926
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Starter Motor Mercedes W415 Citan OM607 OM608 Diesel Engine Starter 233006508R
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BMW F30 F31 F32 320i 420i N20 184HP Engine Control DME ECU 8639595 Automatic
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Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
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Hyundai H-1 2.5 CRDI Alternator Generator 373004A310
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BMW F30 335i F32 F33 435i N55 306HP Engine Control ECU Kit 8639582 Automatic
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Mercedes W177 Dynamic Adaptive Suspension System Control Unit Module A2479004707
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Volkswagen Touareg 7P Power Distribution Unit Positive Battery Socket 7P0937401
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Smart Fortwo C453 Central Electronic Control Unit Module ECU 259901385R
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Volkswagen Touareg 7P Air Module ECU Control Module Unit 7P0959655B
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Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102
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Audi Q7 4L Audio Amplifier Sound System Unit Module ECU 4L0910223H
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BMW F06 F12 F13 640d N57 313HP Engine ECU DDE Kit CAS4 + Key 8573574 Automatic
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Mercedes W639 Vito Taxi Penso Electronics Intercom 30422-ELC-60057-BB
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Audi A6 C7 2.0 TDI CGLC 177HP Engine Control Unit ECU 03L906018LA Automatic
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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BMW X5 E70 3.0si 272HP N52N ECU Engine Control Unit Kit DME 7576297 Automatic
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Fuel Injector Wiring Audi S4 B8 A6 A7 C7 4G 3.0 V6 TFSI Wiring Cable 06E971627Q
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BMW F10 F11 F12 F13 N57N Diesel Alternator 210A Valeo 8515754
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Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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VW Volkswagen Polo Gti 6R Golf Mk7 Alternator Generator 14V 140A 6J903023G
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Peugeot 207 1.4 HDI Fuse Box BSI Control Unit Module ECU 9659285480
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
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Audi Q3 8U 2.0 TDI 140HP CFFB Quattro Engine Control Unit ECU 03L906018CN Manual
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Navigation Module BMW F10 F20 F22 F30 F32 Sat Nav DAB Head Unit High 9318750
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Mini One R56 R57 LCI N16 98HP Engine ECU Kit DME 7638322 + CAS3 + Key Automatic
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Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Mercedes W166 Parking Sensor Wiring Loom Cable Harness Front PDC A1665408332
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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907063AD
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BMW F20 F30 116i 316i N13 136HP Engine ECU Kit DME 8638198 FEM Key Automatic
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Starter BMW F10 F07GT F13 F03 X5 E70 Petrol N63 Starter Motor 1.6 KW 7556131
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Citroen Relay 2.2 HDI Engine Starter Motor Diesel 9826048080
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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609
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BMW X5 F15 Wiring Front Right O/S Door Harness Loom 9365780
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Renault Kangoo Mercedes Citan W415 Engine Starter Motor 1.5 Diesel 233008223R
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Mercedes W205 W257 Starter Engine Motor A2649060400
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BMW G20 Installation Cable Wiring Loom 8482365
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Mercedes GLC X156 Estate Trunk Lid Tail Gate Relay Amplifier Module A2229000618
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LION Calcium Accumulator Battery 60Ah 480A 12V
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Peugeot Boxer Body Control Module Control Unit BCM Fuse Box 1371887080
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Battery Cable VW Golf 8 Audi A3 8Y Starter Alternator Wiring Harness 5WA971230CM
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VW Volkswagen Golf 6 Polo Radio Head Unit RNS 310 Media Player Unit 3C0035270
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Mercedes W221 Radio Multimedia Head Unit A2219006303
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Vauxhall Combo Fiat Doblo Positive Battery Cable Lead Wire 51871158
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Volkswagen Seat Skoda Audi 2.0 TDI Diesel Engine Starter Motor Valeo 02E911024H
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BMW Mini Cooper R57 R57N LCI 2 Cabrio Aerial Roof Antenna Base 9149080
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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 .