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. A1669063801
Relay Box Mercedes ML W166 Engine Compartment Relay Module A1669063801
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Part no. A2115401805
Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P
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Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
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BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9230448
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Part no. 8P0035186S
Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L
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Part no. RHD-A1669005212
Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013
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BMW G11 G12 G30 G31 Battery Cable Plus Pole Power Positive Wire Red 9350064
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Volkswagen Touran 1T Parking Control Unit Module Sensor 1K0919283A
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Audi Q2 GA Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 80A971104A
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Nissan Primastar X83 Alternator Generator Engine Unit 8200206251
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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. 6989245-WB
BMW 5 X3 Series E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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Part no. 7PP919193CL
Porsche Cayenne 92A Radio Navigation Head Unit Control Panel Screen 7PP919193CL
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Part no. 3C0907521
Heater Resistor Volkswagen VW Touran 1T Blower Motor Fan Resistor 3C0907521
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Part no. 8515491
BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
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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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Yaw Sensor Citroen Berlingo Peugeot Partner ESP Rotation Rate Unit 9666173080
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Part no. 7570487
Mini Cooper One R50 R52 Starter Motor 0,9KW BOSCH 4542741
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Part no. A0009001803
Mercedes W176 W204 C207 C218 W246 Fuel Pump Control Module A0009001803
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Part no. 9253563
BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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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. 9131782
BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Part no. A4475404326-1
Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Part no. 9232596
BMW F01 F07 GT F10 F11 F12 F13 OBD Plug Socket Diagnostic Wiring Loom 9232596
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Part no. 3457429
Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Part no. 9313930
Light Module BMW F10 LCI Control Footwell Lightning ECU Unit FRM3 9313930
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Part no. 7199998
Mini R52 Cabrio Convertible Folding Top Roof CVM Module Control Unit 7199998
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Part no. 7599881-14
BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual
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Part no. 7634059
BMW F30 F31 F32 N20 Engine Gearbox Module Wiring Cable Loom Harness 7634059
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Part no. 9364819
BMW 3 E93 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9364819
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Part no. NB5T-14G087-HB
Ford Transit Custom Bluetooth Control Unit Module Controller ECU NB5T-14G087-HB
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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. 6971219
BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 61126971219 6971219
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Part no. 7PP035504A
Porsche Cayenne 92A Nav GPS Antenna Amplifier 7PP035504A
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Part no. 6919270-2
Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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Part no. A2741504703
Mercedes W205 W213 Engine Wiring Harness Cable Loom M274 Petrol A2741504703
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Part no. V23134-J52-X207
Relay Black 12V V23134J52X207 V23134-J52-X207
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Part no. 8W9035382B
Audi A4 S4 B9 Boot Trunk Subwoofer Rear Bass Speaker Audio Unit 8W9035382B
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Part no. 2522564
Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
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Part no. 6R0971349AM
Volkswagen Polo Mk5 V 6R Battery Cable Alternator Starter 6R0971349AM
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Part no. 9226238
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9226238
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Part no. 9877611
Mini Cooper F55 F56 F60 Windscreen Rain Light Solar Sensor Control Unit 9877611
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Part no. A2035401335
Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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Part no. 7795520
Earth Cable BMW E60 E61 Electrical Starter Alternator Earth Cable Wiring 7795520
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Part no. 9276016
BMW F11 Aerial Antenna Amplifier Diversity 868 MHZ 9276016
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Part no. 8511385-1
BMW F10 F11 530d N57 245HP Engine Control Unit ECU Module DDE 8511385 Automatic
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Part no. 068911024G
Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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Part no. A1669006311
Mercedes W166 Tailgate Control Module Unit A1669006311
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Part no. 8P0907063G
Audi A3 8P Body Control Module Unit 8P0907063G
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Part no. 8K0955557B
Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B
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Part no. 3454566
Radio Player Mini Cooper One R55 R56 CD Audio Player Head Unit 3454566
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Part no. CV2T-10C679-BC
Ford B-Max Battery Negative Lead Terminal Cable Loom Harness CV2T-10C679-BC
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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. A2035450803
Mercedes W203 Battery Terminal Fuse Box Electrical Unit A2035450803
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Part no. 9247159
BMW F01 F02 LCI F07 GT Control Unit Module Voltage Transformer VSU400 9247159
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Part no. 9222855-1
BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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Part no. 6944962
BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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Part no. GC3T-14F014-AB
Ford Focus Mk3 USB SD Card Module Reader Port Socket GC3T-14F014-AB
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Part no. A9069006001
CD Radio Mercedes W639 W906 Audio Stereo Head Unit A9069006001
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Part no. 4E0915181C
Audi A8 4E S8 D3 Battery Voltage Control Module 4E0910181C 4E0915181C
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Part no. 059903015R
Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
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Part no. 8Y0959760
Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
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Part no. 9348761
BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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Part no. 6923700
BMW E65 Cable Harness Door Panel Card Rear Wiring Loom 6913147
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Part no. 8573258-1
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Part no. A0055421818
Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Part no. 9259354
BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
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Part no. 2354701-1
BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Part no. 9211494
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9211494
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Part no. 9292248
BMW F30 F31 F32 F33 Central Information Screen Display 8,8" 9292248
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Part no. 7809000-5
BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 CAS3 + Key Automatic
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Part no. A1695455332
Mercedes W169 PDC Parking Sensor Distance Control Module Unit ECU A1695455332
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Part no. A0038208286
Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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Part no. P04727535AC
Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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Part no. 9215649
Mini Clubman R55 Rear Right O/S Wiring Loom Cable Harness Set 9215649
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Part no. 8519663-10
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual
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Part no. 4H0971224BA
Audi A8 D4 Alternator Starter Motor Wiring Harness Cable Loom 4H0971224BA
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Part no. 7L6035177E
Volkswagen Touareg 7L Display Screen Multimedia Navigation Unit 7L6035177E
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Part no. 1025-10
BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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BMW E46 E64 Front Seat Module Control Unit Memory 7067801
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Part no. 7513338
Mini Cooper R50 R52 Automatic Gearbox Transmission Signal Control Module 7513338
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Part no. 07Z903021F
Volkswagen Phaeton 3D Engine Alternator Generator 14V 190A 5.0 Diesel 07Z903021F
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Part no. 8580390-1
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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Part no. A1661500333
Mercedes A-Class W168 Cable Starter Line Negative Line Battery A1661500333
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Part no. 9264926
BMW E88 E93 Rollover Control Controller Module Unit Convertible Cabrio 9180627
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Part no. 8621490
Alternator Cable BMW F21 F22 F30 LCI 125i 220i 228i 320i N20 Starter 8621490
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Part no. 9267200
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
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Part no. A2189009203
Mercedes W166 Headlight Lamp LED Control Module Left Right N/O/S A2189009203
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Part no. 6C1T-11000-AE
Ford Transit MK6 2.2 TDCi Diesel Engine Starter Motor 6C1T-11000-AE
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Part no. 6935920
BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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Part no. 8E1971235L
Audi A4 B7 2.0 TDI Negative Battery Terminal Earth Cable Lead 8E1971235L
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Part no. 9199439
BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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Part no. A2118200089
Mercedes-Benz E W211 Radio Aerial Antenna Amplifier Module Unit A2118200089
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Part no. A6429009900
Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Part no. A1669008606-1
Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
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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 .