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. 1K0951605C
VW Volkswagen Golf Audi Seat Alarm System Siren Anti-Theft Signal 1K0951605C
£18.95
Free delivery: May 29
If paid before 14:00
-5%
Part no. 038907281D
Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 9 Pins 038907281D
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 3D0951253A
VW Volkswagen Audi Seat Skoda Relay Black 5 Pins 12V 50A Set 433 3D0951253A
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 1K3959857B
Volkswagen Polo 6R Golf Mk6 3-Door Window Lifter Switch Driver's Side 1K3959857A
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 5G6919605B
VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B
£113.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. 4H0951253A-2
Seat Skoda Audi VW Polo 6R Multi Use Control Relay 4 Pin 645 4H0951253A SET X3
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
-5%
Part no. 4H0951253C
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 646 4H0951253C
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 1T0971235A
Volkswagen Golf MK5 6 Audi A3 8P Negative Battery Terminal Cable 1T0971235A
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 5M0035724
Volkswagen VW Golf Mk6 1K Aux Socket Port Switch 5M0035724
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 1K0971228L
VW Golf MK5 6 Audi A3 8P Positive Battery Terminal Cable 1K0971228L
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. RHD-5K2880841D
Volkswagen Golf Mk6 VI Front Right Driver's Side Knee Air Module 5K2880841D
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-15%
Part no. 6R0959655K
VW Volkswagen Polo 6R Air Module Bag Control Unit 6R0959655K
Promo price
£23.95
£20.36
Free delivery: May 29
If paid before 14:00
-5%
Part no. 5M0909606A
VW Volkswagen Touran 1T Airbag Side Impact Crash Sensor Air Bag 5M0909606A
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 03E906019M-1
Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine ECU Kit 03E906019M BCM + Key
£113.95
Free delivery: May 29
If paid before 14:00
Part no. 5Q0955547B
VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
£23.95
Free delivery: May 29
If paid before 14:00
Part no. 1K0909605AE
VW Volkswagen Scirocco Mk3 Air Module Control Unit ECU 1K0909605AE
£13.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. 03C906027DA-1
VW Volkswagen Touran 1T 1.4 TSI CAVC Engine ECU Kit Ignition 03C906027DA + Keys
Promo price
£189.95
£161.46
Free delivery: May 29
If paid before 14:00
-5%
Part no. 4H0955557
Volkswagen VW Polo 6R 5 Audi A6 C7 Air Module Crash Impact Sensor 4H0955557
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5Q0937084CL
Volkswagen Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084CL
Promo price
£23.95
£20.36
Free delivery: May 29
If paid before 14:00
-5%
Part no. 4H0951253A
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 645 4H0951253A
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 4H0951253A-1
Seat Skoda Audi VW Polo Multi Use Control Relay 4 Pin 645 4H0951253A SET X2
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 7N0951253
VW Volkswagen Scirocco Mk3 Power Starter Motor Relay 12V 50A Plug 7N0951253
£13.95
Free delivery: May 29
If paid before 14:00
-5%
Part no. 3C0937049E
Volkswagen Touran 1T Module BCM Body Control Unit Module ECU 3C0937049E
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-40%
Part no. 5NA980611A
Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A
Promo price
£32.95
£19.77
Free delivery: May 29
If paid before 14:00
-5%
Part no. 02M911024Q
Volkswagen Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024Q
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 5Q0915181K
Volkswagen Golf Mk7 Negative Battery Terminal Cable Wiring Loom 5Q0915181K
£23.95
Free delivery: May 29
If paid before 14:00
-40%
Part no. 5Q0959592L
Volkswagen Golf Mk8 Front Door Passenger Side Module Control Unit 5Q0959592L
Promo price
£23.95
£14.37
Free delivery: May 29
If paid before 14:00
-40%
Part no. 5Q0959593L
VW Golf CD1 Front Door Right O/S Driver Side Module Control Unit ECU 5Q0959593L
Promo price
£23.95
£14.37
Free delivery: May 29
If paid before 14:00
-15%
Part no. 3Q0907530L
VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5WA959354
VW Volkswagen Golf Mk8 Air Module Control Unit Crash Impact Sensor 5WA959354
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
Part no. 5K0907159
Volkswagen Golf Mk5 Alarm Signal Sound Impact Body Control Module Unit 5K0907159
£13.95
Free delivery: May 29
If paid before 14:00
Part no. 3C8035195G
VW Volkswagen Caddy C20 Radio Head Unit RNS DAB Media Player Unit 3C8035195G
£94.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. 7L0907401F-1
Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control Unit ECU Kit 7L0907401F Key
Promo price
£313.95
£266.86
Free delivery: May 29
If paid before 14:00
-5%
Part no. 6R0919433
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 505 7 Pins 6R0919433
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-40%
Part no. 7E0959655B
Volkswagen Transporter T5 Control Unit Air Module ECU 7E0959655B
Promo price
£37.95
£22.77
Free delivery: May 29
If paid before 14:00
Part no. 3QF907561A
Volkswagen VW Golf Mk7 Front Radar Distance Control Unit Module 3QF907561A
£75.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. 7H0937617
Volkswagen Transporter T5 T30 Fuse And Relay Box Wiring Cable 7H0937617
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
Part no. 7LA980121
VW Volkswagen Transporter T6 Reversing Camera Rear View Control Unit 7LA980121
£94.95
Free delivery: May 29
If paid before 14:00
-40%
Part no. 03L907309
VW Volkswagen Crafter 2.0 TDI CKTB 109HP Engine ECU Kit 03L907309 Manual Gearbox
Promo price
£37.95
£22.77
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5H6035577B
VW Golf Mk8 Antenna Amplifier Rear Booster Boot Lid Tailgate Left N/S 5H6035577B
Promo price
£23.95
£20.36
Free delivery: May 29
If paid before 14:00
-15%
Part no. 7E0959263
Heater Resistor VW Transporter T5 Heater Blower Motor Fan Resistor 7E0959263
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
Part no. 5G0035874
Volkswagen VW Golf Mk7 Infotainment Radio Multimedia Head Unit 5G0035874
£56.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. RHD-7H2857151C
Volkswagen Transporter T5 Interior Fusebox Panel Cover 7H2857151C
Promo price
£37.95
£32.26
Free delivery: May 29
If paid before 14:00
-40%
Part no. 03C906027F-1
VW Volkswagen Golf Mk6 1.4 TSI CAVD 160HP Engine Unit ECU Kit 03C906027F Manual
Promo price
£123.95
£74.37
Free delivery: May 29
If paid before 14:00
-5%
Part no. 4H0919275-SHB
VW Golf Mk6 Audi TT 8J Parking Distance Control Sensor Shark Blue Metallic - A5Q
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 443937105
VW Volkswagen Audi Skoda Seat Little Relay Fuse Amp 20A 12V Module 443937105
£13.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. 02Z911023H
Volkswagen VW Golf V 1.9 TDI Diesel Engine Starter Motor 02Z911023H
Promo price
£28.95
£24.61
Free delivery: May 29
If paid before 14:00
-40%
Part no. 7H0937617-1
Volkswagen Transporter T5 T30 Fuse And Relay Box 7H0937617
Promo price
£28.95
£17.37
Free delivery: May 29
If paid before 14:00
-5%
Part no. 1K0951253A
VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-40%
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
Promo price
£42.95
£25.77
Free delivery: May 29
If paid before 14:00
-40%
Part no. 6R0937548C
VW Volkswagen Polo 6R Battery Fuse Distribution Terminal Unit 6R0937550A
Promo price
£28.95
£17.37
Free delivery: May 29
If paid before 14:00
Part no. MU5T-146599-AGC
Volkswagen Amarok NF Battery Relay Fuse Terminal Electrical Unit MU5T-146599-AGC
£28.95
Free delivery: May 29
If paid before 14:00
Part no. 5Q0959392K
Volkswagen Tiguan Mk2 AX1 Door Control Module Unit Front Left N/S 5Q0959392K
£13.95
Free delivery: May 29
If paid before 14:00
-5%
Part no. 5M0907357C
Volkswagen VW Tiguan 5N Headlight Range Control Unit Module ECU 5M0907357C
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 03L906012A
VW Volkswagen Crafter 2.0 TDI CKTB Engine Unit Module ECU Manual 03L906012A
£189.95
Free delivery: May 29
If paid before 14:00
Part no. 5H0919605B
Volkswagen GOLF CD1 Multimedia Display Screen Radio Sat Nav Head Unit 5H0919605B
£85.95
Free delivery: May 29
If paid before 14:00
Part no. 5Q0919294E
Volkswagen Golf Mk7 PDC Parking Distance Control Module Unit ECU 5Q0919294E
£18.95
Free delivery: May 29
If paid before 14:00
Part no. 5NA035284C
VW Volkswagen Golf SV Online Services Module Control Unit ECU 5NA035284C
£37.95
Free delivery: May 29
If paid before 14:00
Part no. 5Q0907530L
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
£23.95
Free delivery: May 29
If paid before 14:00
-40%
Part no. 7N0035454A
VW Volkswagen Sharan Front Door Left Right N/O/S Speaker Loudspeaker 7N0035454A
Promo price
£23.95
£14.37
Free delivery: May 29
If paid before 14:00
-15%
Part no. 1T0909605E
Volkswagen Touran 1T Air Module Control Unit ECU Module 1T0909605E
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5H0035411
Volkswagen Golf Mk8 A-Pillar Speaker Tweeter Sound Left Right N/O/S 5H0035411
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
-15%
Part no. 7H0843637E
Volkswagen T5 Rear Sliding Door Locking Lock Plate Catch Left N/S A6397601904
Promo price
£32.95
£28.01
Free delivery: May 29
If paid before 14:00
-40%
Part no. 3C8937049AC-1
Volkswagen Tiguan 5N Module BCM Body Control Unit Module ECU 3C0937049E
Promo price
£56.95
£34.17
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5Q0907530AC
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
Part no. 7L0959933F
Volkswagen Touareg 7L Body Comfort Module Control Unit ECU 7L0959933F
£23.95
Free delivery: May 29
If paid before 14:00
-40%
Part no. 3C8937049D
VW Volkswagen Touran Body Control Comfort Unit Module BCM 3C8937049D
Promo price
£23.95
£14.37
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5K0937085AA
VW Volkswagen Caddy 2K BCM Comfort Body Control Module Unit 5K0937085AA
Promo price
£94.95
£80.71
Free delivery: May 29
If paid before 14:00
-5%
Part no. 141951253B-2
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-15%
Part no. 1K0035186AD
VW Volkswagen Golf 5 Radio CD Player Stereo Head Unit 1K0035186AD
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5WA035741B
Volkswagen Golf CD1 Antenna Amplifier Transmitter Receiver Module ECU 5WA035741B
Promo price
£42.95
£36.51
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5H0971104P
Volkswagen Golf Mk8 CD1 Parking Sensor Wiring Rear Bumper Loom Cable 5H0971104P
Promo price
£28.95
£24.61
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5G4971694T
Volkswagen Golf Mk7 VII 5G Rear Door Wiring Loom Harness Right O/S 5G4971694T
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
-5%
Part no. 3A0972695
VW Volkwagen Audi Seat Skoda Cable Loom Wiring Connector Plug Socket 3A0972695
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
-5%
Part no. 7M0951253C
Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 7M0951253C-2
VW Touareg 7L Audi Q7 4L Relay Black Control Unit 5 Pin 404 12V Set 7M0951253C
£13.95
Free delivery: May 29
If paid before 14:00
Part no. 5WA959655L
Volkswagen VW Golf Mk8 Air Module Control Unit ECU Module 5WA959655L
£142.95
Free delivery: May 29
If paid before 14:00
Part no. 5Q0959354A
VW Volkswagen Tiguan AX1 Front Air Module Crash Impact Sensor Unit 5Q0959354A
£13.95
Free delivery: May 29
If paid before 14:00
-5%
Part no. 1T0909606
VW Volkswagen Touran 1T Air Module Control Unit Crash Impact Sensor 1T0909606
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 6R0959655M
VW Volkswagen Polo 6R Seat Ibiza 6J Air Module Control Unit ECU 6R0959655M
£32.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. 7H0907296
VW Volkswagen Transporter T5 Fuse Box Housing Lid Cover Trim Lower 7H0907296
Promo price
£32.95
£28.01
Free delivery: May 29
If paid before 14:00
-40%
Part no. 5M0035186AA
Radio CD Player VW Volkswagen Golf Polo Passat B6 Head Unit RCD310 5M0035186AA
Promo price
£23.95
£14.37
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5C0035680C
Volkswagen Scirocco Tiguan 5N Display Screen Multimedia Nav Unit 5C0035680C
Promo price
£474.95
£403.71
Free delivery: May 29
If paid before 14:00
-5%
Part no. 1K0907530F
Volkswagen Touran 1T Central Gateway Module Control Unit Lear 1K0907530F
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 5K0907115
Volkswagen Golf 1K GTI 2.0 TFSI CCZB 211HP Engine Control ECU 5K0907115 Manual
£170.95
Free delivery: May 29
If paid before 14:00
-5%
Part no. 1K0951253-1
VW Volkswagen Audi Seat Relay 449 12V 30A Unit Module 4 Pins 1K0951253
Promo price
£13.95
£13.25
Free delivery: May 29
If paid before 14:00
Part no. 3Q0907530Q
Volkswagen VW Golf Mk7 Gateway Control Unit Module ECU GW MQB High 3Q0907530Q
£13.95
Free delivery: May 29
If paid before 14:00
Part no. 1K8971104D
Volkswagen Scirocco III Rear Number Plate Wiring Harness Cable Loom 1K8971104D
£13.95
Free delivery: May 29
If paid before 14:00
Part no. 1K0915443A
VW Volkswagen Golf Mk5 Battery Lid Fuse Box Tray Housing Cover Trim 1K0915443A
£13.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. RHD-6R2971120AD
Volkswagen Polo 6R Wiring Loom Driver Door Front Right O/S 6R2971120AD
Promo price
£18.95
£16.11
Free delivery: May 29
If paid before 14:00
Part no. RHD-5Q2971111CG
Volkswagen Golf VII 5G Power Steering Rack Wiring Harness Loom Cable 5Q2971111CG
£28.95
Free delivery: May 29
If paid before 14:00
Part no. 7N0843640
Volkswagen Sharan 7N Sliding Door Locking Catch Plate Lower Right O/S 7N0843640
£13.95
Free delivery: May 29
If paid before 14:00
Part no. 3D0909139
Volkswagen Touareg 7L Keyless Entry Module Control Unit ECU 3D0909139
£28.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5K0937086T
Volkswagen Scirocco Mk3 Tiguan 5N BCM Body Control Module 2.0 TDI 5K0937086T
Promo price
£47.95
£40.76
Free delivery: May 29
If paid before 14:00
Part no. 1K8955557
Volkswagen Scirocco Mk3 Door Crash Impact Pressure Sensor Unit 1K8955557
£13.95
Free delivery: May 29
If paid before 14:00
Part no. 5C0959655B
Volkswagen Golf Mk6 VI Air Module Control Unit ECU 5C0959655B
£13.95
Free delivery: May 29
If paid before 14:00
-15%
Part no. 5Q0955559C
Volkswagen Golf 8 Rain Sensor Front Windscreen 5Q0955559C
Promo price
£18.95
£16.11
Free delivery: May 29
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 .