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. 4F0910289N-1
Audi A6 S6 RS6 C6 4F Convienience Comfort Module Unit ECU 4F0910289N
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Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
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Audi TT FV Impact Body Sound Accoustic Control Module ECU 8S0907159
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Part no. 8V0857273N
Audi A3 8V Head Up Navigation Multimedia Screen Display Unit 8V0857273N
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Part no. 5Q0959592E
Audi A3 8V Front Door Module Control Unit Module Right O/S ECU 5Q0959592E
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Part no. 8X0959655A
Audi A1 8X Air Module Sensor Control Unit Module 8X0959655A
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Part no. 4G0907637K
Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637K
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Part no. 4G0907355G
Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
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Part no. 03L906018LA-2
Audi A6 C7 2.0 TDI CGLC 177HP Engine Unit ECU Kit 03L906018LA BCM2 Key Ignition
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Part no. 4L0907566A
AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
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Part no. 4L0907568A
Audi Q7 4L Blind Spot Monitoring Radar Unit 4L0907568A
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Part no. 06E903024L
Audi A4 S4 B9 A5 A5 F5 3.0 Petrol Alternator Generator 14V 150A 06E903024L
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Part no. 04C903023K
Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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Part no. 03C903023A
Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A
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Part no. 4H0919475L
Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475L
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Part no. 02T911023M
Audi A3 8P 1.6 MPI Petrol Starter Motor Engine 02T911023M
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Part no. 06M911021A
Audi SQ5 FY Starter Motor Engine Diesel Bosch 06M911021A
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Part no. 8T0035223AD
Audi A4 B8 Bose Audio AMP Amplifier Module Control Unit ECU 8T0035223AD
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Part no. 4K0906121C
Fuel Pump Control Audi A4 B9 A5 F5 A6 C8 Pump Unit Module ECU 4K0906121C
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Part no. 5Q0959655P
Audi TT FV Air Module ECU Control Unit Crash Sensor 5Q0959655P
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Part no. 8S0035465B
Audi TT FV Stereo Radio Sound System Speaker Amp Amplifier 8S0035465B
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Part no. 8S0907468B
Audi TT FV Central Gateway Control Unit Module ECU 8S0907468B
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Part no. 3Q0959435B
Audi TT FV Entry Keyless Kessy Control Module Unit ECU 3Q0959435B
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Part no. 5Q0980653G
Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
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Part no. 8S0915459A
Audi TT FV 2.0 TFSI CHHC HV Battery Power Central Distribution Point 8S0915459A
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Part no. 4M0959107B
Audi A4 B9 Boot Tailgate Control Module Unit 4M0959107B
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Part no. 06M907309D
Audi A4 S4 B9 3.0 TFSI 355HP CWGD Quattro Engine Control Unit ECU 06M907309D
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Part no. 8W0035465
Stereo Radio Amp Audi A5 F5 Sound System Speaker Amplifier 8W0035465
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Part no. 8W0907064GC
Audi A5 F5 Central Body Control Module BCM Unit ECU 8W0907064GC
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Part no. 8W5035035C
Audi A5 F5 Sat Navi MMI Multimedia Radio SD Reader Head Unit Harman 8W5035035C
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Part no. 8W0907063DG
Audi A5 F5 45 TFSI DKNA Body Control Module BCM Unit ECU 8W0907063DG
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Part no. 81A035466B
Audi A3 8V Bang Olufsen Audio AMP Amplifier Module Control Unit ECU 81A035466B
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Part no. 5Q0971250AB
Audi A3 S3 8V Negative Battery Terminal Earth Cable Lead Wiring 5Q0971250AB
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Part no. 4L0910401M-1
Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
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Part no. 3Q0907338E
Audi S3 8V Front Headlight Lamp Range Control Module ECU 3Q0907338E
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Part no. 09D927750FS
Audi Q7 4L Automatic Transmission Module Controller Unit 09D927750FS
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Part no. 4E0910888PX
Audi Q7 4L Navigation Sat Stereo Radio Audio Head Unit CD Player 4E0910888PX
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Part no. 4L0907290A
Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Part no. 4F0919603B-1
Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B
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Part no. 4L0910110B
Audi Q7 4L CD Player Changer Multimedia Module Control Unit 4L0910110B
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Part no. 04L907309E-2
Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual
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Part no. 8XA035192C
Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C
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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. 8T0035785A
Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035785A
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Part no. 4E0035111A
Audi A6 C6 6-disc Compact CD Changer 4E0035111A
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Part no. 4F0035769B
Audi A6 C6 CD DVD Navigation Sat Nav Head Unit 4F0035769B
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Part no. 4F2910115B-1
Audi A6 C6 2.0 TFSI BPJ 170HP Engine ECU Kit 4F2910115B Ignition + Key Manual
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Part no. 4F0910223C
Audi A6 C6 Hifi Audio Sound Speakers Amplifier Control Unit ECU 4F0910223C
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Part no. 8P0959655N
Audi A3 8P Side Air Module Control Unit ECU 8P0959655N
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Part no. 03G906018DN-1
Audi A3 8P 2.0 TDI 170HP BMN Engine ECU Kit Key + Ignition 03G906018DN Manual
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Part no. 1K0937124P
Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
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Part no. 8P0919475G
Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G
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Part no. 8P3035223B
Audi S3 8P Audio Sound System Amplifier Bose 290328
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Part no. 0AM911023R
Audi A3 8V 1.4 TSI Petrol Starter Motor Engine Actuator Unit 0AM911023R
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Part no. 1S0919275D-BLK
Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D
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Part no. 8E0837220Q-1
Remote Key Audi A4 S4 B7 8E Radio Alarm Key Fob Opener Button 8E0837220Q
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Part no. 4B0919471A
Audi TT 8N Headlight Module Ballast Relay Control Unit 4B0919471A
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Part no. 8E0857925H
Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925B
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Part no. 06B911023A
Audi A4 B7 2.0 TFSI Starter Motor Engine Motor Actuator Petrol 03L911021E
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Part no. 06K907425B
Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C
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Part no. 8J0959433
Audi TT 8J Body Control Comfort Unit Module BCM Unit 8J0959433
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Part no. 8J0035223B
Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
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Part no. 4H0907348C
Audi A8 D4 4H Relay Fuse Bracket Holder Junction Box 4H0907348C
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Part no. 8T2035186C
Audi A4 B8 A5 8T Radio Media Player Audio CD Head Unit Player Concert 8T2035186C
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Part no. 8P0035186S
Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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Part no. 8K0906093D
Audi A5 8T 2.0 TFSI CDNC Fuel Pump Control Module Unit ECU 8K0906093D
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Part no. 8K0907801E
Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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Part no. 8K0907063B
Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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Part no. 03L906023M-1
Audi A3 8P 1.6 TDI 105HP CAYC Diesel Engine ECU Kit 03L906023M 2 Keys Manual
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Part no. 8K2907115P-1
Audi A5 8T A4 B8 8K 2.0 TFSI CDNC 211HP Engine ECU Kit 8K2907115P Key + Ignition
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Part no. 02Z911024A
Audi A3 8P 1.6 TDI 5 Speed Manual Diesel Engine Starter Motor 02Z911024A
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Part no. 1K0907530AF
Gateway Module Audi A3 8P Volkswagen Golf Mk6 Control Unit ECU 1K0907530AF
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Part no. 8P0907279N
Audi A3 8P BCM Body Control Module Unit ECU 8P0907279N
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Part no. 4H0907553E
Audi A8L 4H Air Suspension Control Unit Module ECU 4H0907553E
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Part no. 4H0907063CD
Audi A8L 4H Onboard Comfort Control Module CCM Unit ECU 4H0907063CD
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Part no. 059903018E
Audi Q7 4L Diesel Alternator Generator Engine Electrical Unit 059903018E
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Part no. 8P0919475M
Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
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Part no. 4G0919129C
Audi A8L 4H TV Tuner Digital Video Control Module 4G0919129C
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Part no. 4H0907441A
Audi A8L 4H Rear View Backup Camera Control Unit Module 4H0907441A
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Part no. 8K0959663C
Audi A8L 4H Voltage Converter Stabilizer Control Module Unit ECU 8K0959663C
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Part no. 4H0919604G
Audi A8L 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G
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Part no. 4H0959792G
Audi A8L 4H Front Door Control Module Left N/S Unit ECU 4H0959792G
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Part no. 3AA962243
Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Part no. 02E911023S
Audi TT 8J 2.0 TFSI CESA Petrol Engine Starter Motor 02E911023S
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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. 8K0915181
Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181
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Part no. 4L1910401D-1
Audi Q7 4L 3.0 TDI CASA 240HP Quattro Engine ECU Kit 4L2910401B Lock + Key
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Part no. 8W5907468F
Audi Q5 FY Gateway Control Module Unit ECU 8W5907468F
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Part no. 8K0915181D
Audi Q7 4L A1 8X Negative Battery Cable Lead Monitoring Module 8K0915181D
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Part no. 4M0907594J
Audi Q5 FY Top Sunroof Opener Control Module Unit ECU 4M0907594J
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Part no. 8K0959795B
Audi Q7 4L Door Control Module Unit ECU Rear Left Right N/O/S 8K0959795B
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Part no. 4L0919283E
Audi Q7 4L PDC Parking Distance Sensor Control Module Unit ECU 4L0919283E
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Part no. 4F0907468N
Audi Q7 4L Diagnostic Interface Gateway Control Module Unit ECU 4F0907468N
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Part no. 059911024H
Audi Q7 4L 3.0 TDI Quattro Engine Starter Motor Actuator Starter 059911024H
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Part no. 80A971687H
Audi Q5 FY Rear Door Wiring Harness Loom Cable Left Right N/O/S 80A971687H
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Part no. 06B903016AB-1
Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB
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Part no. 3G0962243D
Audi A4 B9 Rear Hatch Boot Lid Tailgate Opening Control Module Unit 3G0962243D
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Part no. 09D927750KC
Audi Q7 4L 3.0 TDI CASA Automatic Gearbox Control Module Unit ECU 09D927750KC
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Part no. 8T0959760E
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760E
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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 .