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.

Automotive electrical systems

At 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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Audi Q5 8R 2.0 TDI Quattro 170HP CGLB Engine ECU Kit 03L906018DL Automatic

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Audi A3 8P 2.0 TDI 170HP BMN Engine ECU Kit Key + Ignition 03G906018DN Manual

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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E

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Audi Q5 8R 2.0 TDI Diesel Adblue Dosing Module Control Unit 8R0907101D

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Audi A5 8T Towbar Trailer Hitch Control Module Unit ECU HELLA 8K0907383B

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Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B

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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K

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Audi SQ5 FY Body Control Unit Basic Module BCM 8W0907064DP

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Audi A4 B9 Battery Positive Terminal Cable Plus Pole Wiring Harness 8W0915459E

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Audi A7 S7 4G Display Dashboard SatNav Multimedia Infortaiment Screen 4G8857346G

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Audi A4 B8 A5 8T 2.0TFSI CDNB Quattro 180HP Engine Unit ECU 8K2907115AE Manual

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Audi A3 8V Sportback Door Wiring Loom Harness Rear Left Right N/O/S 8V4971687P

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Audi A3 S3 8V 2.0 TFSI CJXC 300HP Quattro Engine ECU Kit 8V0906259F BCM + Key

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Audi A8 D4 Tailgate Lift Trunk Boot Lid Control Unit Module 4H0959107F

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Audi A6 C6 Battery Monitoring Module Control Unit 4F0915181B

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Audi A3 8V Park Parking Assist PDC Distance Control Unit Module 5QA919283G

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Audi A3 S3 8P Headlight Range Module Xenon Lamp Control Unit ECU 8P3907357B

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Audi A4 B9 A5 F5 Air Module SRS System Control Sensor ECU Unit 8W0959655

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Audi S5 8T Gateway Control Unit Module ECU 8T0907468P

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Audi A4 B7 3.0 TDI Diesel Alternator Generator Engine 059903016D

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Audi A6 C7 BCM2 Comfort Body Control Module Electrical Unit ECU 4H0907064FH

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Audi A3 8P Body Control Comfort Unit Module BCM Unit ECU 8P0907063F

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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107Q

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Audi TT 8N Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655

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Audi S3 8Y Rear Suspension Damper Module Control Unit 1EA907376C

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Audi A4 B9 Boot Tailgate Control Module Unit 4M0959107B

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Part no. 8W0919620

Audi A5 F5 Display Screen Radio Multimedia Navigation Sat Nav 4G2919601P

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AUDI A7 4G8 Parking Assist Sensors Distance Control Module 8H0919475AB

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Audi Q7 4L Steering Column Switch Control Unit Module Unit 4F0953549A

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Audi S3 8V 2.0 TFSI DJHA 310HP Quattro Engine ECU Kit 06K907425B 2 Key Lock

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Audi A8 4H 4.2 TDI CDSB Quattro 258HP Engine Control ECU 4H0907409 Automatic

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Audi Q5 FY Daytime Runing Lights Module Unit Left N/S 80A998473A

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Audi A7 4G A8 D4 Headlight Head Light Lamp Range Control Unit Module 4H0907357

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Audi A6 C7 4G Rear Door Harness Left N/S Wiring Loom Cable 4G5971687AT

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Audi A3 8P HV Battery Negative Earth Cable Harness Wiring Terminal 5N0971250

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Audi A3 8Y Adaptive Cruise Control Radar Sensor Control Unit Module 5WA907572B

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Audi A6 C7 MMI Multimedia Sat Nav Navigation Control Head Unit 4G1035192F

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Audi Q5 8R Reversing Camera ECU Control Unit Module 8R0907441A

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Audi A5 F5 Front Door Wiring Harness Cable Driver's Side 8W6971035R

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Audi A3 8V SAM Relay Fuse Box Module Control Unit ECU 5Q0937125H

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Part no. 4F0915105E

Audi Volkswagen Varta Car Battery Accumulator AGM 92Ah 850A 4F0915105E

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Audi A4 B8 Navi CD Player Radio Sat Nav Head Unit 8R2035666G

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Audi A6 C7 Multimedia Radio CD Player Head Unit Sat Nav RMC Nav Plus 4G0035192H

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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A

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Audi A5 8T A6 C7 USB Adapter Port Socket Connector Cable Wiring 4F0051510Q

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Audi A5 8T Head Unit Radio CD Player Control Unit Module 4F0035056A

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Audi A4 B9 A5 F5 Multimedia Stereo Sat Nav CD Player Radio Head Unit 8W0035192H

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Audi Q5 8R Towing Hitch Trailer Hook Module Control Unit 300001506557

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MMI Multimedia Audi A3 S4 RS3 8V Navigation Control Head Unit 8V1035035C

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Audi TT 8J PDC Parking Distance Sensor Control Condor Grey - Y7E 3C0919275S

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Audi S3 8V Front Bumper Wiring Harness Loom Cable Set 8V0971085Q

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Audi A1 8X Front Driver's Door Wiring Harness Loom Cable Right O/S 8X2971029AH

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Part no. 8U0959107A-1

Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A

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Part no. 059903018K-1

Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K

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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU 03L906022JM

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Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043G

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Audi A3 8P Sportback Front Door Left N/S Wire Harness Loom Cable 8P4971030K

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Audi Q2 GA Multimedia Multifunction Display Screen 81A919604B

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Part no. 4M0907355B

Audi A4 B9 TDI Diesel Adblue Dosing Module Control Unit 4M0907355B

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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. 420919275-MSIL

Audi A4 B8 Rear Bumper PDC Parking Sensor SET X4 Monza Silver - X7V 420919275

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Audi A6 C8 Gateway Interface Control Unit Module ECU 4KE907468M

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Audi A6 C7 Aerial Roof Booster Antenna Amplifier AMP 4G5035225

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Part no. 8E0927355

Audi A4 B7 Cabrio Convertible Roof Control Module Box Lid Storage 8E0927355

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Part no. 8E0035192Q

Audi A4 B7 CD Player Navigation System Car Sat Nav Computer Head Unit 8E0035192Q

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Audi S4 B8 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729C

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Audi A8 D4 4H Front Door Control Module Unit ECU Driver's Side 4H0959793R

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Audi Q7 4L Onboard Supply Body Control Comfort BCM Unit Module 4F0907279C

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PDC Module Audi A3 8V Q2 GA VW Crafter PDC Assist Control Unit 5QA919294

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Audi A3 8P A6 C6 Headlight Levelling Module Control Unit ECU 8P0907357C

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Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B

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Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C

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Audi A3 8P Towing Hitch Tow Bar Control Module Unit ECU 1K0907383F

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Audi Q7 4L Boot Trunk Lid Holder Tailgate Wiring Loom Bracket 4L0971846A

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Audi A4 B7 2.0 TFSI Starter Motor Engine Motor Actuator Petrol 03L911021E

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Audi A3 8V Negative Battery Cable Terminal Clamp Wire 5Q0915181C

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Audi A7 4G 3.0 TDI CGQB 313HP Engine Module Unit ECU Kit 4G0907589C Automatic

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Audi A4 B9 2.0 TDI DTNA 163HP Engine Control Unit ECU 05L907309 Automatic

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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475AC

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Audi Q7 4M Rear Bumper PDC Parking Sensor Wiring Harness Loom 4M0971104CB

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MMI Head Unit Audi A3 RS3 8V Multimedia Navigation Control Module 8V1035035E

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Part no. 4F1971030AF

Audi A6 C6 Front Passenger Door Wiring Left N/S Harness Loom Cable 4F1971030AD

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Part no. 8P4971036F

Audi A3 8P Front Passenger Door Wiring Left N/S Harness Loom Cable 8P4971036F

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Part no. 03L903023

Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023

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Part no. 022906032HE

Audi TT 8J 3.2 FSI BUB Quattro 250HP Engine Control ECU 022906032HE Automatic

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Part no. 5Q0959655AB

Audi A3 S3 8V Air Module Control Unit ECU Impact Sensor 5Q0959655AB

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Audi A6 C6 Front Driver Door Wiring Right O/S Harness Loom Cable 4F1971029AD

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Audi Q3 8U Headlight Headlamp Cooling Fan Left Right N/O/S 8U0907463A

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