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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Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC
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Mini Cooper R59 Footwell Light Module AHL EKS ECU LEAR PL3 FRM3R 3457033
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Audi A4 B7 Door Wiring Harness Loom Front Cabling 8E1971029AA
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BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key CAS4 Automatic
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Renault Trafic Vauxhall Vivaro 2.0 DCI Diesel Alternator Generator 231001423R
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Mercedes W221 Cover Fuse Box Case Trim Panel Lid A2215401682
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Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558
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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Manual
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Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
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Audi A3 8P 1.6 TDI 5 Speed Manual Diesel Engine Starter Motor 02Z911024A
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
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Ford Fiesta MK7 Front Headlamp DRL Light Lamp Control Unit Module H1BB-13D278-AC
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BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362
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Mercedes C207 Rear Radio Amp Sound Amplifier Audio Getaway Becker A2078205289
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6395407735
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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Mercedes SLK R170 W202 W210 Module Control Unit SRS Sensor ECU Bosch A0018200826
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BMW E60 LCI 530xd X5 E70 3.0xd M57N2 235HP Engine ECU Kit DDE 8509035 CAS3 + Key
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Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
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MINI Cooper One F55 F56 F57 Rear Antenna Aerial Amplifier DAB 9270034
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BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic
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Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Alternator Generator BMW E90 E91 E92 E93 LCI E84 F25 Diesel N47N 8507624
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Fuse Box Mercedes W169 W245 Electrical Relay Control Unit A1695450540
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Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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Mercedes-Benz A W168 CDI Battery Terminal Positive Cable Wiring A1685401130
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VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A
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Volkswagen New Beetle 1.9 TDI BSW Engine Starter Motor 02A911024D
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Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DME 8635624 BDC Keys
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BMW Mini Cooper S R52 R53 2 Positive Battery Cable Fuse Box Module B 6911180
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Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792J
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BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
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BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Mercedes W204 Navigation Radio CD Player Head Unit A2049007202
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Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0009001900
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BMW 1 3 E81 E87 LCI E90 E91 N43 Alternator Generator 170A Petrol NAPA NAL1250
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BMW X3 E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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Mercedes W447 Fuse Box Module Cover Trim Trunk A4475460064
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BMW X3 X5 E83 E53 Telematics Control Unit Module GSM 9132712
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VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
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Renault Trafic III Vauxhall Vivaro B Relay 4-Pin Blue Electrical Unit 252300973R
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BMW F44 Gran Coupe Antenna Amplifier Suppresion Filter 6839355
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BMW Z4 Series E85 Sensor B-Pillar Airbag Right O/S 6933988
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FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9352864
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Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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Mercedes SLK R171 Center Console Arm Rest Wiring Loom Harness A1715409333
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Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
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BMW Z4 E89 Footwell Light Module Control Unit ECU FRM3R PL2 Lear 9390489
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BMW E87 ECU Body Control Module Junction Box PL2RR H2 9247472
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BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
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Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
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BMW F30 F31 F32 F33 Central Information Display Screen 6,5" 9322120
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Mercedes W213 Front Seat Control Unit Module ECU A2139008309
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Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
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BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7599883
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Tailgate Smart BMW F10 F30 F34 Mini F54 F60 Opener Control Unit Module 7491439
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6977759
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BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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BMW 3 Series E90 E91 E92 AUX USB Lead Cable Wire 61129202724 9202724
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Audi A5 8T 2.0 TFSI CNCD Quattro 224HP Engine ECU Kit 8T2907115 Key Ignition
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Mercedes ML W164 Cable Loom Wiring Parking Sensors Rear Bumper A1645402405
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BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6947795
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PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009003210
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Ford Transit Connect Cable Alternator Starter Motor Battery Wiring FV6T-14A280
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BMW X3 Series E83 2.0d 150HP Engine ECU Kit DDE EWS3 Key 7796571 Manual
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BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9230448
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Mercedes W205 Display Screen Multimedia Navigation Sat Head Unit A2059000441
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MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970
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Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
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BMW X3 Series E83 2.0d Engine M47N2 150HP ECU Kit DDE 7803373 EWS3 + Key Manual
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Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700
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Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
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BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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BMW X5 Series E53 Rear Right Door Stereo Audio Loudspeaker O/S 8379094
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Honda Civic Starter Motor Actuator Unit 12V 31200-PSA-J52
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Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
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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 .