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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Part no. 9117801
Battery Bracket BMW X3 G01 X4 G02 Rear Holder Mount Carrier Support 9117801
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Head Unit Mercedes R171 Radio Player Sat Nav Comand DVD APS A1718203389
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BMW X3 E83 LCI 2.0d N47 177HP Diesel ECU Kit DDE 7811999 + EWS4 + Key Manual
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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Vauxhall Corsa D Air Module Control Unit ECU 13256905
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Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592C
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Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Bluetooth Module Mercedes W203 W211 W219 Control Unit Hands Free A2118700026
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Mercedes VRLA / AGM 12V Accumulator Battery 95Ah 850A A0055411001
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Mercedes CLS X218 Antenna Amplifier Rear Aerial Control Module A2189058500
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Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
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Cannect CANM8 Remlock CAN Bus Central Locking Interface
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Audi A3 8P Fusebox Body Control Comfort Module BCM Unit ECU 8P0907279F
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Mercedes W907 Wiring Cable Harness Bracket Mount Trim A9075463500
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Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
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Mercedes R171 W203 W204 W212 Engine Control Unit ECU Pin Bracket Set A0009930860
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BMW F20 F21 118d N47N 143HP Engine ECU Kit DDE 8517874 Key FEM Lock Automatic
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7809196 + EWS + Key Automatic
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Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD Player 9263459
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Audi A3 8V Microphone Cable Wiring Loom Cable Harness 8X2035711C
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Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Mercedes W164 W251 Fuse Relay Module Rear Fuse Box Unit A1645402372
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Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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BMW X6 E71 Antenna Amplifier Diversity Control Unit Module 868 MHZ 9130160
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BMW F30 F31 F32 Control Unit Module Active Sound Design 6820696
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BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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CD Changer Mini Cooper R50 R52 R53 6-Disc Multichanger with Magazine 6946989
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Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
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BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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BMW 1 Series E87 ECU Footwell Light Module Control Unit PL2 FRMFA 6955491
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Mercedes W220 S350 M112.972 245HP Engine Module ECU A1121535379 Automatic
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Audi TT 8N Amplifier BOSE Premium Audio Sound System Module 8N8035223A
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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BMW 3 Series E93 LCI 320d N47N Diesel Engine Wiring Loom Harness 8515465
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Mini Cooper R56 Footwell Light Module High EKS PL3 FRM3R 3457402
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BMW E81 E87 LCI E90 116i 316i 1.6 N45N ECU Kit DME 7567321 + CAS3 + Key Manual
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Mercedes CLC CL203 C160 122HP 271.921 Engine Unit ECU A2711539879 Automatic
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Central Control Unit DAF FT85 CF430 Electronic Module 1339650 Manual 428 HP
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BMW 7 Series 1 E65 E66 Battery Cable Positive Plus Pole 6904905
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Mercedes Vito Viano W639 Battery Cable Positive Wire Lead Terminal A6395400830
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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6887754
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BMW F45 Alternator Generator 8680374
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BMW 5 X5 Series E61 E61 LCI E70 Telematics Bluetooth Control Unit Module 9171347
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BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833
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Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
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Renault Trafic Display Screen Sat Nav Navigation Unit Dashboard 259151852R
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Mercedes W168 W169 W245 Petrol Engine Starter Motor A0051512101
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Audi A3 8P Front Door Wiring Right O/S Harness Loom Cable 8P4971030F
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VW Volkswagen Golf 6 Gateway Control Unit Module ECU 1K0907530AD
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549F
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BMW 5 Series E61 Light Control Module Unit Lear LME6X Ohne LWR 6943288
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Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key
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BMW E60 LCI E90 325d 525d M57N2 Engine Control ECU DDE Kit 7811151 Automatic
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Mini Cooper One R50 R52 R53 Ignition Coil Pack and Leads Set 2122435
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Audi A1 8X Stereo Sat Navi Navigation Radio Head Unit 8XA035192F
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BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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Comfort Unit Audi A4 S4 B8 Q5 8R Central Control Module BCM Unit ECU 8K0907064GH
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BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555193
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BMW E87 LCI E90 118i 318i N43 143HP ECU Kit DME 7579142 CAS3 Key Automatic
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BMW X3 Series E83 2.0d Diesel M47N2 Engine Wiring Loom Harness 3417167 3420893
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BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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BMW E87 E90 E91 E92 Power Distribution Fuse Box Front 6906622
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Volkswagen Transporter LT 35 2.5 TDI Alternator Bracket Vw 074145169F
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Land Rover Freelander 2 Display Screen Multimedia Navigation Sat 6H5210E958
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BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9279822
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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 .