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. A1648200485
Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485
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Audi A6 C7 Ignition Smart Key Fob Lock Remote Alarm Button Control 4G0959754K
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Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9136874
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual
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Control Unit BMW F20 F21 F22 F30 F31 F32 ICM Module ECU 6879834
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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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BMW F20 F21 F30 F31 F32 1 Body Control Unit Module REM 9329701
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Mercedes W140 Electric Seat Adjustment Control Unit Module ECU A1408205126
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BMW E87 E90 N45 116i 316i 1.6 Petrol Engine ECU DME 7557809 Manual Transmission
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Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183
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BMW X3 Series 1 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
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BMW X3 E83 LCi Rear Door Window Lifter Right O/S 6925966
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Mercedes W209 Convertible Air Module SRS Control Unit ECU A2098200085
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Audi A5 8T Headlight Range Headlamp Control Unit Module ECU 8K0907357A
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Parking Sensor Wiring Mercedes W177 V177 Rear Bumper PDC Loom Cable A1775400630
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Mercedes W176 W204 C207 C218 W246 Fuel Pump Control Module A0009001803
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Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Lucas LRA02970
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501
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BMW E90 E92 E93 M3 Engine S65 420HP ECU Control Unit Kit DME 7846409 + CAS3 Key
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Renault Traifc Vauxhall Vivaro Alternator Bracket Mount Holder 117109477R
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Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic
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Renault Trafic II Vauxhall Vivaro A 1.9 Diesel Engine Starter 7700116260
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BMW X3 E83 Z4 E85 CID Control Unit CD Player Radio Audio System 9166376
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BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179
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Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 Key EWS
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Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197
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Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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BMW E60 E61 LCI M-ASK M-Audio Navigation System Controller Player 9195756
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
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BMW E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960433
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Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
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BMW X5 E53 Fuse Box Label Trim Cover Panel Sticker 6920035
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Sam Unit Mercedes S203 W203 Rear Module Fuse Box A2095450701
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Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139006016
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Mercedes W210 Fuse Box Sam Module Control Unit A0025451901
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BMW E90 Radio Professional CD Player 65126971703 6971703
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Mini F57 Cabrio Antenna Aerial Amplifier AM / FM Rear Unit Module FM2 9309990
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Part no. E88 Wiring Loom Set PDC Rear
BMW E88 Cabrio Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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BMW E92 LCI Body Control Module ECU Junction Box L1 PL2RR JBBFE IIIR 9229872
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BMW X1 E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 Key Manual
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Mini Cooper One R50 R52 R53 Cable Door Right Wiring Harness Loom 6975062
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Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
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BMW E87 E90 118i 318i N46 129HP ECU DME 7552176 Manual Transmission
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Mini Cooper F55 F56 Dual Clutch Transmission Gearbox Control Unit Module 8486547
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BMW 7 Series E65 E66 Driver Seat Airbag Sensor Control Unit Module 6946107
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Mercedes S204 Rear Trunk SAM Central Electric Base Control Module A2049065602
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BMW X3 E83 PCT Automotive Towing Hitch Towbar Tow Bar Trailer Relay Unit ZR1328B
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Mercedes C207 Parking Sensor Wiring Loom Cable Harness Front PDC A2074400208
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Mini Cooper F55 F56 Navigation Sat Nav NBT HU DAB Head Unit High 9365758
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BMW X5 E53 4.4i 4.6is M62 Water Cooled Alternator Generator 150A
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BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G
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BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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Mercedes W202 W208 Anti Theft Alarm Module Control Unit ECU A2028207426
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BMW E60 E90 325i 525i N53 218HP ECU Engine Control Module DME 7588620 Automatic
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AUDI Q7 4L Quattro 3.0 TDI BUS Diagnostic Gateway Interface Module 4F0907468R
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BMW E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 6968832
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
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CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535
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BMW E90 E91 E92 Radio Fan Adapter Cooling Control Unit Module F40HQ012GKB
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Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
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Part no. A2095452801
SAM Module Mercedes CLK W209 C209 A209 Fuse Box Relay Control Unit A2095452801
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Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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Part no. A6519062400
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
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Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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BMW Z4 Series E89 Convertible Positive Battery Cable Wiring Lead 9189850
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Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
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Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
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Audi A5 8T Navigation System Car Sat Nav Computer Head Unit CIC 4G0035061B
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BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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Mercedes W164 C207 Automatic Gearbox ECU Control Unit EGS Module A0002703352
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9150109
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7304626
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Engine Wiring BMW X3 G01 X4 G02 B57 Diesel Module 2 Loom Harness 8588681
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU 8C1112A650CC
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6939712
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Land Rover Freelander 2 Bluetooth Module Control Unit ECU 7G9N-10D893-AA
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Alternator BMW F30 F32 N57N 330d 430d Diesel Engine Generator 230A Valeo 8509224
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Mini Cooper One 1 R55 R56 R57 Radio Boost CD Player Head Unit 3452681
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Radio Player Mercedes-Benz W204 COMAND Navi CD Head Unit A2048700594
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Audi A4 B7 Electronic Yaw Rate Sensor Module 4F0907637
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BMW E93 LCI ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9298947
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Renault Trafic II CD Radio Audio Player Stereo Head Unit 281150049RT
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Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 9381606
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BMW E63 E64 LCI Camera Lane Departure Warning Unit 9137725
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Audi A8 D4 Boot Trunk Lid Tailgate Lift Control Unit Module ECU 3AA962243D
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Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
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Camera Module BMW F10 F20 F12 F87 Reversing Camera Rear View Control 6994555
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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583
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Mercedes W639 W638 W906 Fuse Box Unit Holder Bracket Frame A6385450319
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Land Rover Freelander 2 Display Screen Multimedia Navigation Sat 6H5210E958
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Mercedes W205 W213 C253 Battery Cable Negative Lead Wiring Harness A0009058912
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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 .