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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Mercedes-Benz M ML W163 Battery Positive Cable Wiring Connector A1635400269
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BMW 1 Series e87 ECU BODY CONTROL MODULE H2 61359131778 9131778
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Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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Switch Sensor Cable Mercedes W205 W212 Rear Bumper Module A2229058804
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Skoda Yeti 5L Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156G
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Mercedes ML W164 Control Unit Module Fuse Box SAM A1645404601
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BMW 1 Series 1 E87 6-disc CD Changer Without Magazine 6958198
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Audi A6 C6 6-disc Compact CD Changer 4E0035111A
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Mini Cooper S F55 F56 F57 Petrol Injector Wiring Cable Loom Harness 8678962
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BMW F45 F46 F48 ECU Body Domain Controller BDC Control Unit Module 5A402E6
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Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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BMW 1 3 Series E81 E90 LCI Business System Car Infotaiment Computer CIC
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Mercedes W203 W211 Diesel Engine Starter Motor A0051511301
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Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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Volkswagen Tiguan 5N Module BCM Body Control Unit Module ECU 3C0937049E
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Audi A5 8T 2.0 TFSI CDNC Fuel Pump Control Module Unit ECU 8K0906093D
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Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
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BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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Mini Cooper R56 LCI High SPEG PL3 H4 Fuse Distribution Box 3455439
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Mercedes-Benz W221 Distronic Intelligent Cruise Control Radar Unit A2129004603
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Mini R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
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Mini R50 R53 Radio Boost CD Player Head Unit Autoradio Player 4154934
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BMW 5 6 E60 E63 LCI Body Control Module ECU Control Unit KBM Basis 6957528
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Audi A8L 4H Front Door Control Module Left N/S Unit ECU 4H0959792G
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Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186P
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Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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BMW X5 Series E53 Wheel Electronics Module RDC 433MHz Control Unit 6752128
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BMW E87 LCI E90 Professional Navigation Connecting Cable 6935686
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Mercedes-Benz C W203 Front Bumper Parking Sensor Wiring Loom Cable Harness
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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AC
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SRC Module Mercedes W213 Air Safety Module SRS Control Unit ECU A2139009022
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Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326
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Ford Transit MK6 2.2 TDCi Diesel Engine Starter Motor 6C1T-11000-AE
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Audi A4 S4 B9 Boot Trunk Subwoofer Rear Bass Speaker Audio Unit 8W9035382B
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Audi Q2 GA A3 8V Front Door Control Module Unit Right O/S 5Q0959393K
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Mini Cooper One R55 R56 R57 Engine Alternator Generator Petrol 120A
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Seat Ibiza IV VW Polo 6R Fabia 5J 1.2 TDI Diesel Engine Starter Motor 02Z911024H
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BMW F10 M5 F12 M6 Engine Wiring Harness Valvetronic Servomotor Cyl.1-4 7843335
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Skoda Octavia II Negative Battery Terminal Cable Wire Wiring 1K0971250
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Relay Box Mercedes ML W166 Engine Compartment Relay Module A1669063801
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3X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N
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Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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Vauxhall Opel Insignia A Diesel Glow Plug Wiring Loom Cable Wiring 55577669
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Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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Kia Ceed Sportage Hyundai Relay Unit 5 Pins 30/20A Blue 95225-1F100
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BMW 5 Series E60 E61 Wiring Loom Harness Passenger Side 9120785
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BMW 1 Series E87 BODY CONTROL MODULE L2 61356968836 6968836
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Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
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Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666
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Peugeot Boxer Citroen Relay Engine Starter Motor Diesel Valeo 9646972280
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Renault Master Laguna 2 Opel Movano A Engine Alternator 14V 150A 8200660022
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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3 x BMW E88 E89 E93 Convertible Cabrio DWA Alarm System Module 6989713
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Ford Transit Mk7 Negative Battery Terminal Sensor Unit BK2T14301AC
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Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic
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Renault Traifc Vauxhall Vivaro Alternator Bracket Mount Holder 117109477R
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280
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Audi TT 8J 2.0 TDI 170HP CFGB Engine ECU Unit Kit 03L906018DT Manual
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 2 Keys CAS4
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Mini R57 R58 R60 Bluetooth Combox Control Module Audio ECU Harman Becker 9248315
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BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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Audi A1 8X Battery Terminal Fuse Socket Retainer 6C0915343A
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BMW E81 E87 LCI E90 E91 118i 318i N43 ECU Kit DME 7593666 + CAS3 + Key Manual
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Ford Transit Connect Negative Battery Terminal Cable Wiring 9T1T-14A280-MBC
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Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
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Mercedes W203 C180 Kompressor M271.946 Engine ECU A2711532291 Automatic
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BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04868860AA
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Fuel Pump Control Audi TT FV A3 8V Petrol Engine Unit Module 5Q0906093
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Mini Cooper One R50 R52 R53 Radio Boost CD Player Unit Head 9115661
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Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME 7639049 CAS 3 Key
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Renault Trafic II Opel Vivaro A 1.9 DCI Alternator Generator 8200086130
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BMW X1 E84 USB AUX-IN Socket Plug 9241331
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Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226
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BMW 3 5 7 X3 X5 Z4 Series E38 E39 E46 E53 E85 E83 Control Unit EWS III
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BMW 3 5 Series Mini Cooper E60 E93 R56 R60 IBS Negative Battery Lead 6938568
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MINI Cooper R52 R53 W11 170HP Engine ECU Control Unit DME 7545789 Manual
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Alternator Citroen Berlingo Peugeot Partner Diesel 1.6 Hdi Alternator 9665580680
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Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801A
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9263948
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BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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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 .