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. 8570673-2
Alternator Generator BMW F07 F10 F11 FN57N N57Z Diesel Engine Valeo 8570673
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Mercedes W204 W207 W212 W221 Starter Motor A6429060900
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BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
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Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
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Peugeot 207 Display Screen Dashboard Multifunction Monitor Unit 966448398000
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402
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Radio CD Player Mercedes W211 CLS C219 COMAND Navigation Head Unit A2118204497
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SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035451701
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Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Radar Unit Mercedes W176 W205 W246 GLC C253 Front Bumper Sensor A0009058104
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VW Volkswagen Touran TDI Diesel Engine Control Unit ECU 03G906021MP
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BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933666
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BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
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BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861
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Crash Impact Sensor Mercedes C118 W177 W247 Front Acceleration Unit A1679052401
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Part no. 03L907309
VW Volkswagen Crafter 2.0 TDI CKTB 109HP Engine ECU Kit 03L907309 Manual Gearbox
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Part no. 6953424-1
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Headlight Module BMW F36 Headlamp Control Unit FLE2 MAX 7429125
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BMW 3 E91 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
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Part no. 9313996
BMW F10 LCI Central Looking Control Module Unit ECU 9313996
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Microphone Mercedes W447 W907 W910 Hands-free Interior Mic Unit A4478200035
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Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
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Battery Cable Mercedes W169 W211 Negative Lead Wiring Pole Harness A1665420318
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Part no. 8513184-1
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Key CAS4
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PDC Module BMW E38 Parking Assist Distance Control Module Unit ECU PDC 8372271
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Part no. 6G9112A650AE
Land Rover Freelander 2 2.2 Diesel DOHC Engine ECU Module 6G9112A650AE Manual
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Part no. 9T11-12A650-GH
Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Part no. 90226846
Vauxhall Opel Relay 4-Pin Tyco Unit Yellow 90226846
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Part no. 9663755480
Peugeot 207 1.6 HDI 90HP DV6-ATED4 Engine Control Unit ECU 9663755480 Manual
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Part no. P8200943317
Renault Trafic II Control Unit Body Control Module BCM ECU P8200943317
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Part no. A2711534691
Mercedes W203 C200 Kompressor M271.940 163HP Engine ECU A2711534691 Automatic
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Part no. 6960249
BMW X5 E53 Basic Body Control Unit Module GM3 6960249
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Part no. 9153778
BMW E87 LCI ECU Light Module Footwell NSW PL2 FRM II Lear 9153778
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Part no. 6917548-1
BMW Mini 1 R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
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Part no. 6819309
Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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Part no. 9177209-2
BMW 1 3 X1 E81 E82 E84 E87 E90 E91 E92 2 Radio Business CD Audio Player 9177209
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Part no. 7823934-3
Mini Cooper D R55 R56 Diesel W16 109HP ECU Kit DDE 7823934 CAS3 Key Automatic
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Part no. 6796393
BMW F01 F07 F10 F12 HSR Active Steering Module Rear Axle Control Unit 6796393
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Part no. A6519002600-3
Mercedes W906 313 CDI OM651.955 129HP Engine ECU Kit A6519002600 Key Lock Manual
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Part no. 8378090
BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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Part no. 06H911021
Audi A4 B8 2.0 TFSI Petrol Engine Starter Motor 06H911021
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Part no. 9340339
BMW E90 Max Brose Footwell Light Module Control Unit ECU 9340339
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Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE
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Part no. A1699010100-1
Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100
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Part no. 355013 ampassy 5631b6
Audi A4 B7 Audio Sound System Amplifier Bose 355013 5631B6
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Part no. A1248205926
Mercedes W124 S124 Central Lock Control Unit Module A1248205926
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Part no. A4479007706
Mercedes W447 Door Control Module Front Left N/S A4479007706
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Part no. 6960943
Air Bag Module BMW E65 E66 Control Unit ECU Gateway Airbag Lear 6960943
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Part no. 8R0035223H
Audi A4 B8 A5 8T Q5 8R Audio Amplifier Sound Module Control Unit 8R0035223H
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Part no. 8746829
BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829
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Part no. 7798179-2
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE 7798179 CAS2 + Key
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Part no. 6998485
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Module Control Unit ECU 6998485
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Part no. 7583225-8
BMW E87 LCI E90 E91 120i 320i N43 170HP ECU Kit DME 7583225 CAS3 + Key Manual
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Part no. 7823755
Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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Part no. 9335347-1
Radio Player BMW F20 F21 F30 F31 CD DAB Head Unit Audio Player 9335347
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Part no. 3453634
Stereo Head Unit Mini Cooper One R55 R56 R57 Radio Boost CD Player 3453634
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Part no. 9380333
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 8SK 9380333
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Part no. A1408202526
Mercedes C140 Seat Belt Module Control Unit ECU A1408202526
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Part no. BK2Q6M091AD
Ford Transit Mk7 Glow Plug Wiring Loom Cable Wire TDCi Diesel BK2Q6M091AD
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Part no. 7599883
BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7599883
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Part no. 9198826
BMW 1 3 Series E81 E87 E90 LCI Professional Navigation System Car Computer CIC
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Part no. 46774430
Fiat Doblo Engine Alternator Generator 46774430
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Part no. 7540992-1
Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A C543294A
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Part no. 8K0907063AC
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Part no. 7565300-11
BMW E87 E90 E91 120i 320i N46 150HP ECU Kit DME 7565300 CAS3 + Key Automatic
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Part no. 1K0971121CN
VW Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Left N/S 1K0971121CN
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Part no. 3417859
BMW X3 E83 2.0d Diesel M47N2 Engine Wiring Loom Harness 3417859
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Part no. A2721501433
Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Part no. 8E0951253
Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
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Part no. A2649001000
Mercedes W205 Petrol Engine Alternator Electrical Cable A2649001000
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Part no. 8582802
Control Unit BMW F10 F30 F31 330d 530d Diesel N57N Engine ECU DDE 8582802
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Part no. 9224592-3
BMW E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
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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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Part no. 7555176
BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555176
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Part no. 02M911024R
Seat Ibiza 6J Starter Motor Petrol Engine Electrical Unit Actuator 02M911024R
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Part no. 4G8959795F
Audi A7 4G Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795H
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Part no. A2139001223
Mercedes W205 Ignition Control Unit A2139001223
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Part no. 9665614680
Display Screen Peugeot Partner Expert Multifunction Dashboard Clock 9665614680
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Part no. 3447012
GM Vauxhall Opel Relay 4-Pin Multi Use Glow Plug Unit Green 03447012
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Part no. 8P0959433
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433
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Part no. 6943062
BMW E60 E63 E64 LCI Body module ECU 61356943062 6943062
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Part no. 5A7F553
BMW G26 Reverse Rear View Camera 5A7F553
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Part no. A2135401115
Fuse Box Mercedes W205 W213 GLC X253 Hybrid Power Distribution Unit A2135401115
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Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
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Part no. 8377939
BMW X5 E39 E53 Sunroof Sliding Roof Drive Unit Motor Actuator 8377939
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Part no. 3452093
Mini Cooper R56 Footwell Light Control Unit Module LOW ECU PL3 FRM II 3452093
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Part no. A2049007408-1
Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
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Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
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Part no. 6934529-1
BMW X3 X5 E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
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Part no. A1695420018-PLS
Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver 761
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Part no. A1649007000
Mercedes V251 SAM Body Control Module Rear Unit A1649007000
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Part no. 8P7959255
Audi A3 8P Convertible Roof Control Module ECU 8P7959255
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Part no. 5Q4959392B
Skoda Octavia 5E Front Door Control Module Unit Passenger Side 5Q4959392B
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Part no. 9166708
BMW E90 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 4F0907279B
Audi A6 C6 Body Control Comfort Unit Module BCM Convenience Unit 4F0907279B
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Part no. 6989156
BMW E65 E66 E67 Rear Bumper PDC Ultrasonic Sensor Titan Silver
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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 .