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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VW Seat Skoda Polo MK5 Diesel Engine Alternator Generator 140A 14V 03P903023D
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Fuse Box Mercedes W203 C209 Rear SAM Module Relay Control Unit A2035453801
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BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm
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BMW E60 E90 523i 323i Petrol N52 177HP ECU Kit DME 7567178 CAS3 + Key Automatic
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Volkswagen VW LT 35 Diesel Engine Starter Motor Unit Napa 069911023LX
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PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94
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BMW E87 ECU Junction Box Body Control Module Unit H2 PL2 JBBFE 6971960
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Mini Cooper F55 F56 F57 LED Navigation Visual Boost 6,5" Display Screen
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On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709339
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Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
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BMW E60 Light Control Module Unit Lear LM E6X MAN.LWR Lear 6941589
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Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Keys
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Ford Transit MK7 Diesel Glow Plug Relay Control Unit Module CC1112B533AB
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Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503
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Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000
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Mini Cooper S JCW R56 N14 1.6 211HP ECU Kit DME CAS3 Key 7590857 Manual
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BMW F87 LCI M2 Competition S55 411HP Engine Control Unit ECU DME 9798427
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BMW E81 E87 LCI 123d Petrol N47S 204HP ECU Kit DDE 8506442 CAS3 Key Automatic
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BMW E81E88 E90 E92 Speed Sensor Yaw Rotary Rate Sensor Adaptive Steering 6784961
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Audi A5 8T Audio Amplifier Sound Booster Control Unit Module Unit 8T0035223S
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Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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BMW X1 Series E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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BMW 5 Series E60 E61 Centre Console Switch DTC PDC 6969418
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Mercedes W118 W177 W206 W247 Air Quality NOX Sensor A0009054807
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Audi Q7 4L Comfort Control Module Unit ECU 4F0907279D
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Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
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BMW E87 E90 N45 116i 316i 1.6 Petrol Engine ECU DME 7557809 Manual Transmission
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Door Cable BMW F36 Rear Left Right N/O/S Wiring Harness 9325917
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BMW F40 G20 G30 Accelerating Sensor 9341546
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BMW X3 F25 Central Gateway Module Control Unit Lear 9312917
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Mercedes W213 SD Card Garmin Map Pilot Navi Europe 2019 A2139062607
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Audi A4 B6 4.2 BBK Petrol Engine Alternator Generator 079903021D
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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6887754
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Mercedes W169 SAM Module Control Fuse Box Unit A1695405645
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Mini Cooper One R50 R53 Navigation Screen Display Instrument Cluster 6921521
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110723BC
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Head Unit BMW X3 E83 Z4 E85 E86 Radio Business CD Player 6976888
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Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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MINI Clubman R55 LCI Instruments Cover Trim Panel Dashboard Dash 9239915
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BMW E87 E90 118i 318i N46 129HP ECU KIT DME CAS2 + Key 7557290 Manual
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BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 8506373 Automatic
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Renault Clio Megane Scenic Diesel Engine Starter Motor 233003329R
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Audi A4 B8 2.0 TDI Diesel CAGA Engine Control Unit ECU Kit 03L906022MK Key
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BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6985501
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BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006
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Parktronic Mercedes Sprinter W901 W903 Front Bumper PDC Wiring Loom Harness
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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BMW E60 E61 X3 E83 Front PDC Parking Sensor Silver Grey Silbergrau - A08
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Rear Bumper Antenna BMW E93 E93N LCI 2 Aerial Telephone 6970701
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Mini R56 LCI R60 Radio Boost CD Player Head Unit Controller Bluetooth 3456516
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BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814
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Audi A8L 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G
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Mercedes W202 W210 Engine Cooling Radiator Fan Control Unit Module
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6982391
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BMW E92 Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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Mercedes W212 Radio Head Unit COMAND Navi CD DVD Player Control Unit A2129068800
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Mercedes W164 W204 W211 C216 C219 M273 Starter Motor Assembly A0061513701
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Mercedes Vito W447 114 CDI 136HP 651.950 Engine Unit ECU A6519002803 Automatic
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Renault Master II Trafic II 2.5 dCi Diesel Engine Starter Motor Valeo 8200634602
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Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7584113 Manual
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BMW E61 E65 Suspension Air Supply Compressor Control Unit
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BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key
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BMW 1 Series E87 Footwell Light Control Module Lear FRM3R PL2 9249080
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BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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Mercedes W204 Head Unit Radio CD Player Audio Sat Nav Control A2049001813
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Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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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 .