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. 4G8959760
Audi A6 C7 Front Seat Control Module Unit Right O/S 4G8959760
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Audi S5 8T Amplifier Speaker Bang & Olufsen Control Module Unit 8T0035223AN
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Audi A3 8P Rear Bumper PDC Wiring Parking Sensor Loom Harness 8P3971085
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Audi TT 8J Gateway Control Unit Module 7N0907530AL
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Audi A4 B8 Headlight Range Module Control Unit ECU 8K0907357B
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Audi A6 C6 Electric Parking Brake ECU Control Unit Module 4F0910801D
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Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
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Audi S3 8Y 2.0 TFSI DNFF Petrol Engine Sound Noise Actuator 4H0907601E
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Part no. 1K0915333H
Audi A3 8P Battery Box Tray Housing Holder Bracket Cover Mount 1K0915333H
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Part no. 4H4907357C
Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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Part no. 8X0959655B
Audi A1 8X Air Module Control Unit Sensor 8X0959655B
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Part no. 8K0919475J
Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J
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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. 8K0971688S
Audi A4 B8 Door Harness Loom Cable Wiring Rear 8K0971688S
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Part no. 8T0035223AB
Audi A4 B8 8K A5 8T Sound System Audio Amplifier Amp Unit 8T0035223AB
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Part no. 8V0035874C
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874C
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Part no. 8P7959255
Audi A3 8P Convertible Roof Control Module ECU 8P7959255
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Part no. 8P0959433J
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit ECU 8P0959433J
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Part no. 8P0035186S
Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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Part no. 4F0907279D
Audi Q7 4L Comfort Control Module Unit ECU 4F0907279D
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Part no. 4G0907553F
Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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Part no. 4F0035769B
Audi A6 C6 CD DVD Navigation Sat Nav Head Unit 4F0035769B
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Part no. 8K0919475AA
Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475AA
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Part no. 4G8959793E
Audi A6 C7 Front Door Control Module Unit ECU Driver's Side 4G8959793E
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Part no. 8E9035223D
Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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Part no. 4H0906093D
Fuel Pump Audi A8 D4 Q7 4L Diesel Control Unit Module 4H0906093D
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Part no. 4L0907553E
Audi Q7 4L Air Suspension Adjustment Module Control Unit 4L0907553E
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Part no. 4F0035053B
Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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Part no. 4G0035056
Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
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Part no. 4G1035192A
Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A
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Part no. 8U0959655D
Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
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Part no. 059903015P
Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P
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Part no. 8W0907428C
Audi A4 B9 Camera Control Module Unit ECU 8W0907428C
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Part no. 4L0907566A
AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
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Part no. 4H0907063DB
Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB
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Part no. 8K0919475R
Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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Part no. 4H0919475AA
Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475AA
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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. 8P0959655P
Audi A3 8P Air Module Control Unit ECU Module 8P0959655P
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Part no. 8K0907063C
Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
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Part no. 8U0035193CX
Audi Q3 8U Head Unit Navigation Multimedia Control Unit 8U0035193CX
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Part no. 4E0910148C
Audi A8 4E S8 D3 TV Tuner DVB Receiver Hybrid Digital / Analog 4E0910148C
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Part no. 8J0959433B
Audi TT 8J BCM Body Comfort Convenience Module Unit ECU 8J0959433B
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Part no. 4F0907468M
Audi A6 C6 Diagnostic Interface Gateway Module ECU Control Unit 4F0907468M
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Part no. 8K5907357B
Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B
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Part no. 7PP941572AB
Audi A4 B9 Volkswagen Tiguan 1T Headlight Ballast Control Module 7PP941572AB
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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. 8X0035183
Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183
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Part no. 4F0919283H
Audi Q7 4L Parking Control Unit ECU Module Sensor PDC 4F0919283H
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Part no. 8U0959107
Audi Q3 8U Boot Tailgate Control module Unit 8U0959107
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Part no. 8XA959655A
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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Part no. 06H903016L
Audi A5 8T Engine Alternator Generator 14V 140A Bosch 2.0 TFSI 06H903016L
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Part no. 8W0959592N
Audi A4 B9 Front Door Module Control Unit ECU Passenger Side 8W0959592N
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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. 8R0919604
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604
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Part no. 8X0959793H
Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
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Part no. 05L911021
Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
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Part no. 3Q0907530AC
Audi A3 8V Gateway Diagnostics Interface Control Module 3Q0907530AC
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Part no. 6R0971349BK
Audi A1 8X 1.4 TFSI CAXA Alternator Wiring Harness Cable Loom 6R0971349BK
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Part no. 4G0907468AC
Audi A6 C7 Central Gateway Control Unit Module Relay ECU 4G0907468AC
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Part no. 03G903016A
Audi A6 C6 2.0 TDI Alternator Generator 180A 14V 03G903016A
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Part no. 4F0035110A
Audi A6 C6 CD Player Changer Multimedia Module Control Unit 4F0035110A
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Part no. 4G0907397Q
Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q
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Part no. 8K0907383E
Audi A5 8T Towbar Trailer Hitch Control Module Unit ECU HELLA 8K0907383B
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Part no. 8P7959655
Audi A3 8P Air Module SRS System Control Sensor ECU Unit 8P7959655
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Part no. 4H0907357A
Audi A7 4G8 Headlight Head Light Lamp Range Control Unit Module ECU 4H0907357A
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Part no. 5Q0959655N
Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655N
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Part no. 4F0919603B
Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B
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Part no. 8K0915181E
AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
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Part no. 8K0907568H
Audi A5 8T Module Lane Assist Control Unit Rear Left N/S 8K0907568H
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Part no. 8W5035035B
Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Part no. 8T0035223S
Audi A5 8T Audio Amplifier Sound Booster Control Unit Module Unit 8T0035223S
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Part no. 1K0971228N
Audi A3 VW Golf Caddy Battery Lead Positive Cable Plus Pole Wiring 1K0971228N
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Part no. 8H0035225R
Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Part no. 8K0971030M
Audi A4 B8 Door Wiring Harness Loom Front Left N/S Cabling 8K0971030M
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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. 8W0907217C
Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C
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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. 8E0971687L
Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L
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Part no. 80A915459
Audi Q5 FY Battery Positive Cable Clamp Control Module Terminal 80A915459
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Part no. 8E0959433CR
Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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Part no. 4E0907383J
Audi A4 B9 Tow Bar Trailer Towing Control Module Unit 4E0907383J
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Part no. 8P0035186G
Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
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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. 8H0035225S
Audi A4 B7 Aerial Antenna Amplifier Module Left N/S 8H0035225S
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Part no. 8K0907637D
Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637D
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Part no. 4G0035061S
Audi A5 8T MMI Multimedia Navigation Radio Control Head Unit 4G0035061S
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Part no. 8W8959107B
Audi Q5 FY Rear Boot Trunk Lid Tailgate Control Unit Module ECU 8W8959107B
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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. 8S0907159
Audi TT FV Impact Body Sound Accoustic Control Module ECU 8S0907159
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Part no. 8E5035225D
Audi A4 B7 Window Antenna Amplifier Module 8E5035225D
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Part no. 4L0910553H
Audi Q7 4L Air Suspension Module Regulation Control Unit 4L0910553H
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Part no. 4H0907217F
Audi A7 4G Front Camera Assistance Line Unit 4H0907217F
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Part no. 8T0035462
Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035462
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Part no. 4H0907064FN
Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
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Part no. 8K0971228P
Audi A4 B8 Starter Alternator Wiring Loom Cable Harness 8K0971228F
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Part no. 8R0907468F
Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
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Part no. 8J0971030AE
Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
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Part no. 8K0959793A
Audi A5 8T Coupe Driver's Door Module Control Unit 8K0959793A
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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 .