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. 9126314
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9126314
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Adblue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9488418
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VW Volkswagen Polo 6R Air Module Control Unit 6R0959655C
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Mercedes Sprinter W906 Door Module Front Right O/S Control Module A9069006100
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 9132216 65129132216
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Audi A4 B7 Door Harness Loom Cable Wiring Rear 8E1971687L
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BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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BMW X5 E53 3.0i M54 231HP ECU Kit DME 7519308 Manual + EWS3 + Key
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Audi A5 8T Rear Bumper PDC Parking Distance Sensor Black Magic Pearl - C9Z
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BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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BMW F20 F21 F30 F32 N55 Power Distribution Module Bracket Cover Carrier 8620771
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Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
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BMW E93 LCI ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9247474
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Audi A5 8T Headlight Inner LED Inner Module Unit 6NHM0000 130831041000
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Mercedes Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600704
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Part no. 9317175
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9317175
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Part no. 9260874
Alarm Sensor BMW E84 E91 Ultra Sonic-Module System Control Unit 9260874
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Part no. 6944499
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6944499
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BMW X5 E53 3.0i M54 1,4KW Starter Motor 7501738
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Part no. 9325537
BMW 5 Series F10 Electric Parking Brake Module Cable Wiring Loom 9325537
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Part no. 1742690-2
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Part no. A1719000100
Radio Head Unit Mercedes SLK R171 CD Player Control Unit Module A1719000100
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Part no. 6905666
BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666
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Part no. 281150049RT
Renault Trafic II CD Radio Audio Player Stereo Head Unit 281150049RT
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Part no. 95511910
Vauxhall Combo D 1.3 Cdti Fiat Lancia Alternator Engine Genarator 95511910
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Part no. 9153966
BMW E93 ECU Body Control Module H1 PL2 JBBFE 61359153966 9153966
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Part no. A2115456101
Mercedes W211 SAM Module Fuse Box Relay Control Unit A2115456101
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Part no. A1635458032
Mercedes ML W163 Stability Controller 4ESP Unit Module ECU A1635458032
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Part no. 6828085
PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Part no. A6511502900
Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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Part no. A1408205126
Mercedes W140 Electric Seat Adjustment Control Unit Module ECU A1408205126
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Part no. 03G971826A
VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A
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Part no. 9451484
Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484
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Part no. 06L907425C-1
Audi Q5 FY 2.0 TFSI DAXB 252HP Quattro Engine ECU Kit Gateway + Key 06L907425C
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Part no. A0009003213
Adblue Module Mercedes W166 W212 R172 C218 C292 Control Unit ECU A0009003213
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Part no. 9223314
BMW 1 3 Series E81 E90 LCI Business System Car Infotaiment Computer CIC
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Part no. 9195756-1
BMW E60 LCI Radio Player M-ASK M-Audio System Controller Head Unit 9195756
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Part no. 3450280
Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280
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Part no. 9138179
BMW E61 E63 X5 E70 Telematics Bluetooth Control Unit Module 9138179
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Part no. 6809050-1
BMW F20 F30 F36 Rear Electronic Module REM Fuse Box Control Unit V2 ECU 6809050
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Part no. A2059008618-1
Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Part no. F30 On-Board Screen
BMW F30 On-Board Screen 8,8" Android Infotainment System F30_NBT
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Part no. 1Z0919475B
Skoda Yeti 5L Octavia Mk2 Parking Distance Control Unit Module PDC 1Z0919475B
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Part no. 1K0971250AL
Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL
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Part no. 2354130
BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130
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Part no. A2118210097
Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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Part no. KK3T-14D068-JE-1
Ford Transit Mk8 Fuse Box Power Distribution Relay 2.0 Diesel KK3T-14D068-JE
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Part no. 6917548
Mini R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
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Part no. 9646679980
Peugeot 207 1.6 HDI Diesel Engine Starter Motor Engine Unit 9646679980
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Part no. 9193745
BMW 3 5 E60 E61 E90 LCI Display Screen 8.8" Monitor Sat Nav 9193745
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Part no. 6906548
Mini Cooper R56 Electrical System Fuse Distribution Box 6906548
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Part no. 6910597
BMW E46 Positive Battery Cable Plus Pole Lead 6910597
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Part no. 9244394
Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9244394
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Part no. 9197159
BMW E81 NSW ECU Light Module Footwell Module PL2 FRM II 6135 9197159
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Part no. 9197163
BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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Part no. 8N8962267E
Audi TT 8N Body Comfort Convenience Module Unit CCM ECU 8N8962267E
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Part no. 5Q0915181C
Audi A3 8V Negative Battery Cable Terminal Clamp Wire 5Q0915181C
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Part no. 9129439
BMW E61 E92 F32 LCPA Seat Belt Control Module ECU 9129439
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Part no. 8671505-1
BMW F97 F98 G01 G02 G20 G30 Engine Starter Motor 8671505
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Part no. 9150891
BMW 1 Series E81 E82 E87N LCI E88 Wiring Cable Air Flap PDC Front 9150891
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Part no. A2661502933
Mercedes A B W169 W245 M266 Petrol Engine Wiring Harness Loom A2661502933
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Mercedes-Benz E W210 S210 CD Player Radio Audio Navi SMS Head Unit A2108205689
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Part no. 3455701
Mini R56 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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Part no. A2098205489
Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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Part no. 8T0959760B
Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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Part no. 7809999-2
BMW X3 E83 LCI 2.0d N47 Engine ECU Kit DDE 7809999 + EWS IV + Key Automatic
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Part no. 9665674480
Citroen C4 1.6 HDI Diesel Engine Control Unit ECU Module EDC 9665674480
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Part no. 9177985-1
BMW E93 Cabrio ECU Body Control Module H3 Junction Box 9177985
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Part no. 7PP907273D
Porsche Macan 95B Tyre Pressure Sensor Control Unit Module 7PP907273D
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Part no. 5Q0906121G
Audi A3 8V 1.6 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121G
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Part no. 7H0907652
Volkswagen Touareg Yaw ESP Rate Sensor Module Unit Control ECU 7H0907652
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Part no. 8200660022
Renault Master Laguna 2 Opel Movano A Engine Alternator 14V 150A 8200660022
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Part no. 6940923
BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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Part no. 8W1907063CC
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063CC
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Part no. 6950525-2
4 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
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Part no. A1644406532
Mercedes ML W164 Diesel OM629 Wiring Alternator Starter Harness A1644406532
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Part no. 8200690199
Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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Part no. 9187541-2
BMW E93 ECU Body Control Module H3 Junction Box 9187541
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Part no. A1779003806
Door Module Mercedes C118 W177 W247 Front Left N/S Control Unit A1779003806
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Mercedes-Benz C E W203 W211 Parking Sensor Wiring Loom Cable Harness Front PDC
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BMW F07 F10 F11 F12 Diesel N57 Engine Wiring Injection Wiring Harness 8583575
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Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526
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VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B
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Peugeot Partner 1.6 HDI 9H03 Engine Control Unit ECU EDC 9664843780 Manual
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Volkswagen VW Golf Mk6 5K Air Module Control Unit ECU 5K0959655
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Audi A6 C6 Front Right O/S Door Harness Cable Loom 4F1971030BD
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Part no. A2661541202
Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
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Part no. 8K0971104C
Audi A4 B8 Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104C
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Part no. 7521759
BMW 3 5 X5 E39 E46 E53 Automatic Gearbox Basic Control Unit EGS
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Part no. EB3T-15K867-CD
Ford Ranger MK3 Parking Distance Aid Sensor Wiring Harness Loom EB3T-15K867-CD
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Part no. A1718206226
Mercedes R171 Door Control Module Front Right O/S A1718206226
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Part no. 8686185
BMW F40 X1 F48 Mini Countryman F60 Engine Starter Motor 12V 8686185
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Part no. 6945145
BMW E60 E61 E63 Air Control Module Passenger Side Door 6945145
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Part no. A6079002200-5
Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU A6079002200 Manual
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Part no. 7525696
BMW X5 E53 Ground Battery Cable Alternator Starter 7525696
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Part no. 7640004-9
Mini One R55 R56 Petrol N12 1.4 95HP Engine ECU Kit DME 7640004 CAS3 Key Manual
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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 .