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 E60 E61 LCI E90 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 + Key Manual
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Mercedes W213 GLC X253 Hybrid High Voltage Battery Inverter Module A2139007929
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Audi A4 B8 Door Module Control Unit ECU Front Passenger Side 8K0959793B
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Mini Cooper F55 LCI Rear Bumper Wiring Harness Parking Sensors Loom 5A420F7
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BMW E60 E90 330i 530i N53 272HP ECU Engine Control Module DME 7588620 Automatic
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Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A
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BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
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Aerial Roof Antenna Base Mini Cooper R50 R53 6920279
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BMW F20 F21 F30 F31 118d 318d N47N Engine Control Unit ECU DDE 8579479 Automatic
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VARTA RAC Accumulator Battery 100Ah 830A 12V RAC005
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Volkswagen Golf CD1 Antenna Amplifier Transmitter Receiver Module ECU 5WA035741B
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BMW Disc Business Navigation DVD Road Map Europe T1000-13348
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Mercedes W176 R231 PDC Parking Control Module Parktronic System N62 A2469007307
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Audi A3 S3 RS3 8Y LED Light Module Unit Control 8Y0947355F
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Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
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Audi A4 B7 3.0 TDI BKN HV Battery Upper Cover Trim Panel 8E2819422
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BMW X3 F25 20dX Diesel B47 190HP Engine Module ECU Kit DDE 8598806 Key CAS4
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BMW 5 Series E61 Light Control Module Unit LM2 LMII E6X LWR Lear 9153272
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Mercedes W203 C220 CDI 646.963 150HP Engine ECU Kit A6461500091 + Key + Lock
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ECU Kit Mercedes W169 A180 M266.920 Petrol 95HP Key Ignition Lock Automatic
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Mercedes C238 Headlight Ballast Control Unit Module A2229000821
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Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
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Seat Wiring Cable BMW E81 E82 E90 E92 Front Right O/S Seat Loom Harness 9131760
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Seat Wiring BMW E81 E82 E88 E92 Front Left Memory Loom Harness Cable 9131734
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VW Volkswagen Golf Mk7 Wiring Loom PDC Front Harness Parking Sensor 5G0971095E
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BMW X2 F39 Camera Kafas Windscreen Front Parking Camera Module Unit 9458738
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Seat Ibiza 6J Front Right O/S Driver Door Wiring Cable Harness 6J4971121L
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Nissan Quashqai J10 M9R 2.0 DCI Diesel Engine Control Unit ECU Manual 23710BR40A
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Mercedes V251 SAM Unit Rear Control Module A1649005201
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Fuse Box Citroen Relay 3 Peugeot Fiat Ducato BCM Relay Box Module1389975080
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BMW Z4 E89 Radio CD Player Navigation CIC Head Unit Computer DAB 9283434
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Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469001313
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BMW E83 TV Video Module Unit High 9112837
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Audi A5 F5 Door Module Front Left N/S Control Unit Module ECU 4M0959793E
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Citroen Relay III Engine Bay Fuse Box Power Distribution 1398647080
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Mini Cooper S F55 F56 B48 192HP Petrol Engine ECU Kit DME 8635627 + BDC + Key
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Halfords 12V Calcium Accumulator Battery Electrical Unit 62Ah 550A HCB027
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PDC Module BMW G30 G31 Parking Assistant Control Unit USS VA03 HIGH 9418460
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Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061G
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BMW E87 E90 E91 E92 Front Seat Module Control Unit ECU 6926358
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BMW X1 E84 Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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Ford Transit Mk8 Relay High Power 4-Pin Black FoMoCo GU5T-14B192-GA 4RA933714
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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Seat Leon Mk3 Antenna Amplifier Module FM Right O/S Aerial Booster 5F4035225B
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Volkswagen TIGUAN 5N Rear Door Left Right N/O/S Harness Cable Wiring 5N0971693A
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Mini Cooper Cabrio 1 R57 Aerial Roof Antenna Base Unit 3453891
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Mercedes SLK R170 Climate Control Air Conditioning Module Unit A1705450005
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VW Volkswagen Crafter 1 2.0 TDI CKTB Engine Unit Module ECU Manual 03L906012Q
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Audi A8L 4H TV Tuner Digital Video Control Module 4G0919129C
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Part no. Mini Lodgesons
MINI Cooper R50 Lodgesons Steering Wireless Control Unit Module System
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Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom 81A971104E
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Audi A4 B8 A5 8T Door Module Control Front Unit ECU 8K0959793H
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Mercedes W415 Citan Renault Kangoo Rear Left Door Reflector Light 8200589436
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Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335E
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Transmission Module Mercedes C117 AMG Petrol OM133 Gearbox Control A0009002010
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Door Cable BMW E93 Convertible Wiring Loom Front Cables Driver's Side 6926324
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BMW X5 E53 3.0i M54 231HP Engine Control Module Unit ECU DME 7528050 Automatic
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Mercedes W176 W246 Emergency Call Switch Roof Wiring Cable Loom A2465402710
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BMW E87 130i 265HP Engine N52 Engine ECU Kit DME 7559178 CAS2 + Key Manual
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Audi S3 8Y PDC Parking Distance Sensor Daytona Grey Metallic - Z7S 5WA919275C
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Ford Fiesta MK7 Dashboard Front Display Screen Head Unit 8A6T18B955BK
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Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885
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Mini Cooper S R52 R53 Gearbox Basic Module Control Unit EGS 7524695
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Mini R50 R52 R53 6-Disc CD Changer Multichanger with Magazine 6946989
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BMW E46 E39 E38 E83 E53 E85 E86 Control Unit Voice Input System Module 6915047
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Audi A5 F5 2.0 TDI DETA 190HP Engine Control Unit Module ECU 04L907309L Manual
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Mercedes Sprinter W906 Wiring Cable Plug OBD Socket A2025405981
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Mini F56 Interior Electrical Cable Excitement Package Wiring Harness 6809545
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Thinkware iVolt Mini BAB-50 External Battery Dash Cam Power Bank 4500 mAh
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7641003 Manual
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PDC Wiring BMW X4M F98 G02 Rear Bumper Parking Assistance Sensor Harness 8809737
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Mercedes ML W164 Battery Line Lead Wiring Harness Cable Positive A1645402030
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Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592B
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Part no. GU5T-14B192-GA-1
Ford Transit Mk8 Relay High Power 4-Pin FoMoCo Set X4 GU5T-14B192-GA 4RA933714
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Voltage Converter Mercedes W213 S213 Module Auxiliary Battery Unit A2059052809
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VARTA Accumulator Battery 85Ah 800A 12V Silver Dynamic F18
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VW Tiguan 5N Door Wiring Cable Harness Loom Front Driver's Side 5N0971120G
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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 .