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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SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
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VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B
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Autoradio CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional 9187108
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Mercedes Vito W639 Parking Sensor Warning Device Display A0015422623
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BMW F10 F11 Rear Bumper PDC Wiring Loom Cable Harness F01 F12 9336380
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Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100
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BMW F10 F20 F30 Rear View Camera Wiring Loom Cable 9350995
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Air Module Sensor BMW Z4 E85 E64 B-Pillar Left N/S Crash Module ECU 6962887
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SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698206926
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Mini Cooper S R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + 2 Keys Manual
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VW Volkswagen Sharan 7N 2.0 TDI 140HP CFFB Engine ECU Kit 03L906018HJ Key Lock
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BMW 1 3 Series E81 E87N E90 E91 N47 Diesel ECU DDE Engine Control Unit 7809001
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Peugeot 5008 2.0 HDI Diesel Glow Plug Wiring Loom Cable 9688409680
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Mercedes Vito W639 OM651.940 Diesel Engine Wiring Cable Loom Harness A6511501488
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Preheating Control BMW E46 E60 X3 E83 E90 E91 Glow Plug Unit Diesel
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Volkswagen Polo Mk5 6R 1.2 CGPB Engine Wiring Harness Cable 03E971612AN
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Volkswagen VW Golf 1K Mk5 Fuse Box Engine Compartment Relay Unit 1K0937124K
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Mini One R56 N12 1.4 95HP Petrol ECU Control Unit Kit DME 7589971 + CAS3 + Keys
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Head Unit BMW F30 F31 F32 Radio Professional CD Player Control Module 9357988
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Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A1729016600
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VW Golf 5 V 1K Fuse Box Control Unit Relay Power Distribution Module 1K2941824
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
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Mercedes Vito W639 Automatic Gearbox EGS53 Control Unit Module ECU A0009001700
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Mercedes Vito W447 Transmission Gearbox Control Unit Module ECU A4479002707
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Airbag Module BMW F45 X1 F48 Mini F54 F55 F56 Air Bag Control Unit ECU 9495909
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Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
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BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Key + FEM
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9159034
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BMW 3 Series E90 LCI ECU Body Control Module H3 Junction Box 61359253484 9253484
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Audi A3 8P A4 A5 B8 Q5 Alternator Generator Diesel Electrical Unit 03L903023K
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Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801
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BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Automatic
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Mercedes W205 W213 10Ah 170A Auxiliary Additional Generator Battery A0009829508
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Door Module Mercedes CL203 W203 Front Left N/S Control Unit A2038201385
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BMW E87 LCI E90 118i 318i N43 Petrol ECU Engine Control Unit DME 7579142 Manual
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Audi A5 8T A4 B8 Crash Impact Sensor Control Unit 8K0959651
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BMW 3 Series F80 M3 M Sport Rear Boot Lid Tailgate Spoiler Black Sapphire
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BMW 5 X5 Series E53 E60 E61 PDC Parking Ultrasonic Sensor Rear Black 6989068
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BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230
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Battery Cable BMW X3 F25 Red Positive Plus Pole Blow Off 9225099
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Mini R57 LCI R59 Convertible Airbag ECU Control Unit Module 9809353
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Mini Cooper Cabrio R52 Convertible Folding Roof Control Unit Module ECU 6952290
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Microphone Mercedes W447 W907 W910 Hands-free Interior Mic Unit A4478200035
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Engine Wiring BMW F20 F30 N47S1 EU5 Loom Module Harness Cable 8507915
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CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9125237
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Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7541073 Automatic
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BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
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BMW 1 2 3 Series F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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BMW 7 Series E65 E66 Rear Left Door Module Wiring Loom Harness N/S 6913155
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6936103
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BMW Z4 E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9112463
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BMW 3 Series E36 Cable Harness Door Rear Right O/S Wiring Loom 8379056
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Mercedes C207 Parking Sensor Wiring Loom Cable Harness Front PDC A2074400208
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BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
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Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B
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Mercedes W205 Harman Radio Stereo CD Player Audio Sat Head Unit A2059004236
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Renault Scenic 1.5 DCi Diesel Starter Motor Actuator Valeo 8200584675A
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Audi Q2 GA Park Parking Assist PDC Distance Control Unit Module 5QA919294L
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Audi Q3 8U Display Screen Multimedia Navigation Sat 8U0857273B
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Mini F54 F55 F56 F60 Navigation Media Radio Sat Nav Head Unit 5A4F856
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Mercedes W212 Front Fuse Box SAM Relay Control Unit Module A2129008507
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Module Mercedes W205 Fuel Pump Control Module In Trunk Rear ECU A0009003505
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Mini Cooper F55 F56 Dual Clutch Transmission Gearbox Control Unit Module 8486547
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Mini Cooper S R60 ALL4 N18 1.6 184HP Engine Control ECU Unit DME 7620985 Manual
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BMW F20 F21 F30 F33 KAFAS 2 Camera Lane Assist Module Control Unit ECU 9338298
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Mercedes W447 Door Control Module Front Left N/S A4479007706
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Airbag Module BMW E65 E66 Sensor Driver's Side Air Bag Control Unit 6960223
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Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616
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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 .