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. 04L906021CA
Audi A4 B8 2.0 TDI CSUA 150HP Engine Control Unit ECU 04L906021CA Automatic
£94.95
Free delivery: Mar 3 – 10
If paid before 14:00

-40%
Part no. 06L907425C-2
Audi Q5 FY 2.0 TFSI DAXB 252HP Quattro Engine ECU Kit Gateway + Key 06L907425C
Promo price
£398.95
£239.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 5WA959436M
Audi A3 8Y Keyless Control Module Unit ECU 5WA959436M
Promo price
£61.95
£37.17
Free delivery: Mar 02
If paid before 14:00

Part no. 4M2035070B
Audi Q7 4M Multimedia Navigation Player Radio Audio Head Unit 4M2035070B
£465.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8E0959655G
Air Module Audi A4 B6 B7 ECU Control Unit Crash Sensor Air 8E0959655G
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 4L0971029J
Audi Q7 4L Door Card Wiring Harness Cable Loom Front Driver's Side 4L0971029J
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4H0951253E
Audi Q7 4M Engine Relay 4 Pin 40A 4H0951253E
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 8E5035223D
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman Becker 8E5035223D
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. 8X0907357B
Audi A1 8X Q3 8U Headlight Head Lamp Range Control Unit Module ECU 8X0907357B
£13.95
Free delivery: Mar 02
If paid before 14:00

Part no. 4N0035736A
Audi A6 C8 SD SIM Card Double Twin USB Module Multimedia Reader Port 4N0035736A
£42.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8W5035021
Audi A4 B9 Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8W5035021
Promo price
£550.95
£330.57
Free delivery: Mar 3 – 10
If paid before 14:00

-5%
Part no. 8J0035456
Audi S5 8T Antenna Amplifier Aerial Control Module Unit ECU 8J0035456
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 4L0971036A
Audi Q7 4L Door Card Wiring Harness Cable Loom Front Passenger Side 4L0971036A
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8W0971104A
Audi A4 B9 Rear Bumper Cable PDC Parking Sensor Wiring Harness Loom 8W0971104A
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 4M2035070C
Audi Q7 4M CD Player Radio Multimedia Audio Head Unit 4M2035070C
Promo price
£284.95
£170.97
Free delivery: Mar 02
If paid before 14:00

Part no. 4F1941824A
Audi A5 F5 Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824A
£13.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4F9035225AA
Audi A6 C6 Antenna Amplifier Control Unit Module 4F9035225AA
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. 4K1919605H
Audi A6 C7 A7 C8 Multifunction Dashboard LCD Screen Display Monitor 4K1919605F
£645.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 431951253D
Audi TT 8N Relay Unit Module 431951253D
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 4L0971030J
Audi Q7 4L Door Card Wiring Harness Cable Loom Front Passenger Side 4L0971030J
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. 8W0907777L
Audi RS5 F5 Chassis Module Control Unit 8W0907777L
£265.95
Free delivery: Mar 3 – 10
If paid before 14:00

-5%
Part no. 5Q0915321J
Audi Q2 Seat Leon VW Golf Battery Tray Holder Mounting Bracket 5Q0915321J
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8K0907383B
Audi A5 8T Towbar Trailer Hitch Control Module Unit ECU 8K0907383B
Promo price
£70.95
£42.57
Free delivery: Mar 02
If paid before 14:00

Part no. 8W0035192K
Audi A4 B9 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8W0035192K
£189.95
Free delivery: Mar 3 – 10
If paid before 14:00

-5%
Part no. 8K0941824A
Audi A1 A4 A6 A7 A8 Fuse Box Connector Socket Module Unit 8K0941824A
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. 8W0959655H
Audi A4 B9 RS5 F5 Air Module Control Unit SRS Sensor ECU 8W0959655H
£265.95
Free delivery: Mar 3 – 10
If paid before 14:00

-40%
Part no. 8V3971036J
Audi A3 S3 8V Door Card Wiring Harness Passenger Front Left N/S 8V3971036J
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 8K0941824D
Audi Volkswagen Fuse Box Connector Socket Module Unit 8K0941824D
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 8W0959595E
Audi A4 B9 Rear Door Control Module ECU Left Right N/O/S 8W0959595E
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. 8Y0919605
Audi A3 S3 RS3 8Y MMI Multimedia Display Screen Sat Nav Radio 8Y0919605
£284.95
Free delivery: Mar 02
If paid before 14:00

Part no. 8Y0971688H
Audi A3 8Y Sportback Rear Door Wiring Loom Harness Cable Right O/S 8Y0971688H
£37.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 4M0035456A
Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 5Q0907530B
Audi A3 8V Central Gateway Control Unit Module Relay ECU 5Q0907530B
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8X0919475F
Audi Q3 8U PDC Parking Distance Assistant Control Unit Module ECU 8X0919475F
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

Part no. 4M2035070A
Audi Q7 4M Multimedia Navigation Player Radio Audio Head Unit 4M2035070A
£237.95
Free delivery: Mar 3 – 10
If paid before 14:00

-15%
Part no. 8J0907274
Audi TT 8J Tyre Pressure Control Module Unit 8J0907274
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 5WA937086BE
Audi S3 8Y Module BCM Body Control Unit Module ECU 5WA937086BE
Promo price
£151.95
£91.17
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 8R0035223G
Speaker Amplifier Audi A4 B8 A5 8T Stereo Radio Sound System Amp 8R0035223G
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 4G5907468C
Audi A6 C7 Gateway Interface Electrical Control Unit Module ECU 4G5907468C
Promo price
£42.95
£36.51
Free delivery: Mar 02
If paid before 14:00

Part no. 059903024A
Audi A4 B9 Alternator Generator Diesel Engine 3.0 TDI 059903024A
£123.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. RHD-3Q2971111AM
Audi RS3 8V Power Steering Rack Wiring Harness Loom Cable 3Q2971111AM
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4G0971765
Audi RS6 C7 Mirror Wing Adjust Switch Loom Harness Wiring Cable 4G0971765
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 06A906033PA
Audi A3 8P 1.6 Petrol MPI 102HP BSE Engine ECU Kit 06A906033PA Ignition + Key
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. RHD-80A919617A
Audi SQ5 FY Front Screen HUD Windscreen Head Up Head-up Projection 80A919617A
Promo price
£849.95
£509.97
Free delivery: Mar 02
If paid before 14:00

Part no. 8E5945094A-1
Audi A4 B7 Tail Light Side Panel Lamp Cable Wiring Rear Right O/S 8E5945094A
£13.95
Free delivery: Mar 02
If paid before 14:00

Part no. 8P4971693M
Audi A3 8P Door Wiring Harness Loom Cable Rear Left Right N/O/S 8P4971693M
£13.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 4G5971035AS
Audi RS6 C7 Front Door Wiring Harness Cable Loom Right O/S 4G5971035AS
Promo price
£80.95
£48.57
Free delivery: Mar 02
If paid before 14:00

Part no. 06K907425B-23
Audi S3 8V 2.0 TFSI 300HP CJXC Quattro Engine Control ECU 06K907425B Manual
£85.95
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. 4H0614235
Audi A8 D4 ABS Pump Bracket Braking Unit Mount Holder Support 4H0614235
£18.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 1K0971250AL
Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. RHD-8Y2971029H
Audi A3 8Y Front Door Wiring Loom Harness Cable Passenger's Side 8Y2971029H
£23.95
Free delivery: Mar 02
If paid before 14:00

Part no. 8V4971147C
Audi A3 8V Sportback Boot Trunk Tailgate Wiring Loom Harness Cable 8V4971147C
£47.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. RHD-8T0971366B
Audi A5 8T Front Seat Cable Wiring Loom Harness Left Right N/O/S 8T0971366B
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. 4L0907355B
Audi Q5 8R Adblue Metering Control Module Unit ECU 4L0907355B
£23.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 4H0971030FC
Audi A8 D4 Front Door Passenger Side Wiring Loom Harness Cable 4H0971030EE
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00

Part no. 8S0035021E
Audi TT FV Mk3 Navi SD GPS MMI Multimedia Head Unit Module 8S0035021E
£569.95
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. 8T0959795C
Audi A5 8T Rear Door Control Module Unit Left Right N/O/S 8T0959795C
£18.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8V0857273H
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273H
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 5Q0915181E
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181E
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4F5035225M
Audi S6 C6 Radio Aerial Antenna Amplifier FM 4F5035225M
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4H0907801M
Audi A6 C7 Parking Brake Module Handbrake Actuator Control Unit 4H0907801M
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 022906032GH
Audi A3 8P 3.2 FSI BMJ Quattro 250HP Engine ECU Kit 022906032GH Key Lock Manual
Promo price
£474.95
£284.97
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 4L0035225AJ
Audi Q7 4L Radio Aerial Antenna Amplifier AM/FM 4L0035225AJ
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8E2910401P
Audi A4 B7 2.7 TDI BPP 179HP Diesel Engine Unit Module ECU 8E2910401P Manual
Promo price
£123.95
£74.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. RHD-8E2919094C
Audi A4 B7 Cabrio Daytime Runing Lights DRL Module Unit 8E2919094C
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. 09D927750JF
Audi Q7 4L Automatic Transmission Module Control Unit 3.0 TDI 09D927750JF
£37.95
Free delivery: Mar 02
If paid before 14:00

Part no. 8W0906259K
Audi A5 F5 2.0 TFSI DDWA 245HP Quattro Engine ECU Kit 8W0906259K Automatic
£284.95
Free delivery: Mar 02
If paid before 14:00

Part no. 8E0910115J
Audi A4 B7 2.0 TFSI BGB 200HP Quattro Engine Control Unit ECU 8E0910115J Manual
£75.95
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. 8N0906018AP-1
Audi S3 8P 1.8T BAM 225HP Petrol Engine Control Unit ECU 8N0906018AP Manual
£170.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 4L1937503
Audi Q7 4L Fuse Relay Box Module Electrical Control Unit 4L1937503
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8P0907063A
Audi A3 8P BCM Body Control Unit Comfort Module 8P0907063A
Promo price
£80.95
£48.57
Free delivery: Mar 02
If paid before 14:00

Part no. 8S0035466
Audi TT FV 8S Premium Loudspeaker System Amplifier Bang & Olufsen 8S0035466
£1,139.95
Free delivery: Mar 3 – 10
If paid before 14:00

-40%
Part no. 4F0907283
Audi A6 C6 FL Tire Pressure Control Module 4F0907283
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 5Q0937615A
Audi A3 8V Fuse Box Control Module Relay Box 5Q0937615A
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8T8971030K
Audi A5 8T Front Passenger Door Wiring Harness Loom Cable Left N/S 8T8971030K
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4H0035225L
Audi A8 D4 4H Aerial Antenna Amplifier AMP Booster Module 4H0035225L
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. CK52-14A067-AB
Range Rover L405 Fuse Box Relay Plug Socket Fuse Unit Holder CK52-14A067-AB
£32.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 83A971687L
Audi RSQ3 F3 Door Wiring Harness Loom Rear Left N/S Cabling 83A971687L
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8R0971765
Audi Q5 8R Adblue Wiring Harness Cable 2.0 TDI 8R0971765
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

Part no. 8P4971036K
Audi A3 S3 RS3 8P Front Door Harness Cable Loom Passenger Side 8P4971036K
£23.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4M0907247A
Keyless Entry Amplifier Audi A4 B9 A5 F5 Control Box Module Antenna 4M0907247A
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8Y0035042C
Audi S3 8Y Body Control Comfort Module ECU Unit Bluetooth 8Y0035042C
Promo price
£949.95
£569.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8U0919603A
Audi Q3 8U Multimedia MMI Multifunction Display Screen 6" RMC 8U0919603A
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 5Q0937084E
Audi A3 8V Body Control Comfort Unit Module BCM Unit 5Q0937084E
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. 8K0959792M
Audi Q5 8R A6 C6 Door Module Front Left N/S Control Unit Module ECU 8K0959792M
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-8X2971845
Audi A1 8X Fuse Box Unit Front Left N/S 8X2971845
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 07C911023H
Starter Motor Audi S8 D3 4E VW Touareg Starter Motor Bosch 1.7KW 07C911023H
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 06M907309D-1
Audi SQ5 FY 3.0 TFSI 354HP CWGD Quattro Engine ECU Kit Gateway + Key 06M907309D
Promo price
£522.95
£313.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 8K0971104J
Audi A5 8T Rear Bumper PDC Sensor Parking Distance Control 8K0971104J
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8K0907064DS
Audi S4 B8 Comfort Convenience Module Control Unit ECU 8K0907064DS
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8J0907115BC
Audi TT Mk2 8J 1.8 TFSI CDAA 160HP Engine Control Unit ECU 8J0907115BC Automatic
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 83A907159
Audi Q3 RSQ3 F3 Body Sound Impact Control Module ECU 83A907159
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 8K0959655Q
Audi A4 B8 SRS Air Module Control Unit ECU 8K0959655Q
Promo price
£161.95
£97.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 03L906018MN-1
Audi Q5 8R CJCA 2.0 TDI 143HP Quattro Diesel Engine ECU Kit 03L906018MN Manual
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00

Part no. 8K0971104C
Audi A4 B8 Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104C
£18.95
Free delivery: Mar 02
If paid before 14:00

Part no. 03L906018CM-1
Audi Q3 8U 2.0 TDI CFFB 140HP Quattro Engine Control Unit ECU 03L906018CM Manual
£123.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. 4F0959651
Audi A6 C6 Front Impact Sensor Safety Crash Detection Module Unit 4F0959651
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. 1420000116
Audi A5 F5 Headlight Module LED Light Control Unit Front Left N/S 1420000116
£85.95
Free delivery: Mar 02
If paid before 14:00
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 .