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.
Make
Category
Subcategory
Condition
In Stock
Price
-15%
Part no. 1J6035111
VW Volkswagen Touareg 7L Golf 4 CD Changer 1J6035111
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 038971803
Volkswagen VW Caddy 2K Injector Wiring Harness Loom 038971803
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 012911023F
Volkswagen Touareg 7L Starter Motor Engine Diesel Bosch 012911023F
€32.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5G0035222A
Volkswagen Golf Mk7 Media In Port Socket Connection Adapter 5G0035222A 5Q0035736
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1Y0951177
VW Volkswagen New Beetle Alarm Motion Detector Sensor Module Unit 1Y0951177
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 2GA971395A
VW Volkswagen T-ROC A11 Front Door Ambiente Light Wiring Right O/S 2GA971395A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5Q0971371
VW Volkswagen Golf Mk7 Positive Battery Terminal Cable Lead Wiring 5Q0971371
€56.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 6R0971839A
VW Volkswagen Polo 6R 1.2 TSI Petrol Fuel Sender Pump Cover Panel 6R0971839A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 02Z911023N
Volkswagen VW Golf VI Engine Starter Motor 1.6TDI 2.0 TDI Diesel 02Z911023N
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5Q0035570-1
Volkswagen Golf 5G Radio Antenna Noise Signal Disturbance Suppressor 5Q0035570
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5N0971349AT
Volkswagen Tiguan 5N Alternator Generator Wiring Harness Cable 5N0971349AT
€28.95
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 05L907309G
Volkswagen Crafter Mk2 2.0 TDI DNAE 140HP Engine ECU Kit 05L907309 Automatic
Promo price
€284.95
€170.97
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 06F906056GA
Volkswagen EOS 1F 2.0 FSI BVY 150HP Engine Control Module ECU 06F906056GA Manual
Promo price
€161.95
€137.66
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7N0951253
VW Volkswagen Scirocco Mk3 Power Starter Motor Relay 12V 50A Plug 7N0951253
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 3C0907651
Volkswagen VW Golf Mk6 1K Acceleration Sensor 3C0907651
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 3AA919041
VW Sharan 7N Voltage Stabilizer Converter Electric Control Unit Module 3AA919041
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 0AD927755BE
VW Volkswagen Touareg 7L Transfer Box Control Unit Module ECU 0AD927755BE
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 2Q0937615A
Volkswagen Polo Mk6 Fuse Relay Box Power Supply Unit 2Q0937615A
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 5CH971120E
Volkswagen Jetta Mk6 Front Door Wiring Harness Cable Passenger Side 5CH971120E
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 7N0951171A
Volkswagen Caddy 2K Anti Theft Interior Roof Alarm Sensor 7N0951171A
Promo price
€66.95
€40.17
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5QC971566
VW Volkswagen Golf Cd1 Passat 3G AC Control Wiring Loom Harness 5QC971566
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5G4971693K
Volkswagen Golf Mk7 5G Rear Door Wiring Harness Cable Loom Left N/S 5G4971693K
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 02Z911024
Volkswagen Golf Mk7 Jetta A6 Scirocco Mk3 Starter Motor 02Z911024
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 1K8919472C
Volkswagen Scirocco Mk3 PDC Parking Distance Control Module 1K8919472C
Promo price
€70.95
€60.31
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1Q0919283
Volkswagen EOS Park Aid Sensors PDC Control Module Unit ECU 1Q0919283
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 5CH971121E
Volkswagen Jetta A6 Mk6 Front Door Wiring Harness Cable Driver Side 5CH971121E
Promo price
€56.95
€48.41
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. VW-Remote-Key
VW Passat Radio Remote Control Alarm Key Fob Control Unit Module
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7L0909606D
Volkswagen Touareg 7L Front Impact Crash Sensor Right Left N/O/S 7L0909606D
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 1Q0959655A
VW Volkswagen Eos 1F Air Module Control Unit ECU 1Q0959655A
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 1K0035186AA
VW Volkswagen Golf Mk5 Radio Control Head Unit CD Player 1K0035186AA
Promo price
€47.95
€40.76
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5H0947145C
Volkswagen Golf GTI CD1 Led Ambient Lighting Dashboard Connector 5H0927103K
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5WA907007K
Volkswagen Golf Cd1 Mk8 Climate Control Module ECU 2.0 Diesel 5WA907007K
€47.95
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. MB3T-14B060-ABE-1
VW Volkswagen Amarok NF Engine Wiring Loom Harness Cable MB3T-14B060-ABE
Promo price
€94.95
€56.97
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5K0971104C
Volkswagen Golf GTI Mk7 Rear Bumper PDC Sensors Wiring Loom Harness 5K0971104C
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7E0945095T-2
Volkswagen Transporter T6 Rear Lamp Side Tail Light Wiring Left N/S 7E0945095T
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 03L906022CH-1
Volkswagen Transporter T5 2.0 TDI 140HP Diesel Engine ECU Kit Module 03L906022CH
Promo price
€379.95
€322.96
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 7P6971121H
VW Volkswagen Touareg 7P Door Wiring Loom Harness Front Left N/S 7P6971121C
€28.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5K0937087P
VW Volkswagen Sharan 7N Body Control Module BCM CCM Unit 5K0937087P
€127.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7L0909606C
Volkswagen Touareg 7L Front Impact Crash Sensor Right Left N/O/S 7L0909606C
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 7P6971161FL
VW Touareg 7P Door Wiring Loom Harness Cable Front Passenger Side 7P6971161ES
€42.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5N0035342F-1
Volkswagen Polo 6R Multimedia Electronic Control Interface Module 5N0035342F
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 1K0915333C
Audi A3 8P VW Golf MK5 Battery Box Tray Housing Holder Bracket Cover 1K0915333C
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 7P6035730D
Volkswagen Golf Mk6 Passat B7 Bluetooth Interface Control Module ECU 7P6035730D
Promo price
€70.95
€60.31
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 141951253B-2
VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 5WD919294
Volkswagen Golf GTI CD1 PDC Parking Distance Control Module 5WD919294
Promo price
€56.95
€48.41
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 5K0959434E
Audi A1 8X Volkswagen Tiguan 5N Keyless Entry Control Module Unit 5K0959434E
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 02M911024Q
Volkswagen Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024Q
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 1K8971104D
Volkswagen Scirocco III Rear Number Plate Wiring Harness Cable Loom 1K8971104D
Promo price
€37.95
€32.26
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 6Q0907440A
Volkswagen Transporter T5 Black Relay Control Unit 6 Pin 12V 361 6Q0907440A
Promo price
€28.95
€24.61
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 191906383C-1
Audi VW Volkswagen Seat Skoda Relay Unit Module 4 Pins 191906383C
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5Q0937084DF
Volkswagen Golf 5G Body Control Module Onboard Unit 5Q0937084DF
€28.95
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 1K8971148J
Volkswagen Scirocco Mk3 Tailgate Window Washer Wiring Harness Cable 1K8971148J
Promo price
€47.95
€28.77
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 2Q0907685E
VW Golf Gti CD1 Blind Spot Lane Change Control Module Rear Left N/S 2Q0907685E
Promo price
€104.95
€89.21
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1Q0951172A
Volkswagen Eos Alarm Sensor Control Module Unit 1Q0951172A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 3D0972072AG
VW Phaeton 3D Electrical Steering Column Wiring Harness Loom Cable 3D0972072AG
Promo price
€56.95
€34.17
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 2GA947201
VW Volkswagen T-ROC A11 Front Door Handle LED Light Cable Left N/S 2GA947201
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 1K0971228T
Volkswagen Scirocco Mk3 Battery Starter Motor Loom Lead 1K0971228T
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 1K0971349CB
Volkswagen Golf Mk6 Audi A3 8P Alternator Wiring Harness 2.0 TDI 1K0971349CB
€94.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5N0035341F
Volkswagen VW Scirocco Mk3 Multimedia Interface Media-In Module Box 5N0035341F
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 2Q0907686E
VW Golf Gti CD1 Blind Spot Lane Change Control Module Rear Right O/S 2Q0907686E
Promo price
€104.95
€89.21
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5H0945207A-2
VW Golf GTI CD1 Tail Light Rear Lamp Socket Cable Plug Left N/S 5H0945207A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 02E911024D
Volkswagen Golf Mk7 Audi A3 8V Engine Starter Motor Start Stop Denso 02E911024D
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. NU5T-15604-KACN
VW Volkswagen Amarok Mk2 BCM Body Control Module Control Unit NU5T-15604-KACN
Promo price
€222.95
€133.77
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. MB3T-14A411-SLC
VW Volkswagen Amarok NF Wiring Harness Loom Cable MB3T14A411SLC
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 1K0035186AS
VW Volkswagen Jetta Mk6 Radio CD Player Stereo Multimedia Head Unit 1K0035186AS
Promo price
€123.95
€105.36
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5H0945208A-2
VW Golf Gti CD1 LED Tail Light Rear Lamp Cable Plug Wire Right O/S 5H0945208A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5K0907115-3
Volkswagen Golf 5K GTI 2.0 TFSI CCZB 211HP Engine Control ECU 5K0907115 Manual
€379.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 1K0971349AM
VW Golf Mk6 Scirocco Mk3 Starter Wiring Harness Cable 1K0971349AM
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 04L907309D-2
VW Golf VII 5G 2.0 TDI CRLB 150HP Engine Control Unit ECU Kit 04L907309D Manual
Promo price
€142.95
€85.77
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7L0937503-1
Volkswagen Touareg 7L Relay Housing Plate Module Control Unit 7L0937503
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1K0971121CL
Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Passenger Side 1K0971121CL
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1K0915418F
VW Volkswagen Golf Mk6 HV Battery Jacket Cover Housing 1K0915418F
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 1K0035186P
VW Volkswagen Golf Mk5 Passat B6 Radio CD Player Head Multimedia Unit 1K0035186P
€28.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 443937105
VW Volkswagen Audi Skoda Seat Little Relay Fuse Amp 20A 12V Module 443937105
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5G6867657
Volkswagen Golf 5G Mk7 Rear Lamp Light Bulb Cover Left N/S 5G6867657
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 03G906016GJ-1
Volkswagen Golf V 1K 2.0 SDI BDK 75HP Engine Control ECU Kit 03G906016GJ Manual
Promo price
€132.95
€79.77
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1Q0951177A
VW Volkswagen Eos 1F Radar Motion Sensor Control Unit Module 1Q0951177A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. MB3G-12C550-CG
VW Volkswagen Amarok Mk2 Glow Plug Relay Unit Module ECU MB3G-12C550-CG
Promo price
€256.95
€154.17
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. P1WT-14H076-CGG
VW Volkswagen Amarok Mk2 Control Unit Module ECU P1WT-14H076-CGG
Promo price
€450.95
€270.57
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 5N0971250AJ
Audi Q3 F3 VW Tiguan 5N Seat Alhambra Battery Negative Earth - Cable 5N0971250AJ
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-40%
Part no. 5Q0937086BK-1
Volkswagen Golf Sportsvan Body Control Comfort Unit Module BCM Unit 5Q0937086BK
Promo price
€80.95
€48.57
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 7P6971162EC
VW Touareg 7P Door Wiring Loom Harness Cable Front Driver's Side 7P6971162DJ
€42.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 5K0959434A
Volkswagen Sharan 7N Keyless Kessy Control Module ECU Unit 5K0959434A
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 1K0971228L
VW Golf MK5 6 Audi A3 8P Positive Battery Terminal Cable 1K0971228L
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 7P0937401
Volkswagen Touareg 7P Power Distribution Unit Positive Battery Socket 7P0937401
€37.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
€28.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 3C5945095H-1
VW Passat B6 Rear Tail Light Lamp Wiring Harness Cable Left N/S 3C5945095H
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 1T0035577AE
VW Volkswagen Touran 1T Aerial Antenna Amplifier Unit Module 1T0035577AE
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 7L0959772D
VW Touareg Phaeton Heated Seat Control Module Unit 7L0959772D
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 2GA971693A
Volkswagen T-Roc Rear Door Wiring Harness Wire Loom Rear Left N/S 2GA971693A
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
-5%
Part no. 000051446C
VW Volkswagen Golf Mk6 5K Digital Media Adapter Cable Wiring Loom 000051446C
Promo price
€23.95
€22.75
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 1K8955557
Volkswagen Scirocco Mk3 Door Crash Impact Pressure Sensor Unit 1K8955557
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 4H0959793F
VW Touareg 7P Front Door Control Module Unit ECU Driver's Side 4H0959793F
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 5Q0937084M
Volkswagen VW Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084M
Promo price
€37.95
€32.26
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 1T0035577AF
VW Volkswagen Touran 1T Aerial Amplifier Control Unit Module 1T0035577AF
€23.95
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 03L906018GF-2
Volkswagen Scirocco Mk3 2.0 TDI 140HP Engine Module ECU Kit 03L906018GF Manual
Promo price
€170.95
€145.31
Free delivery: Jun 12 – 17
If paid before 14:00
-15%
Part no. 000937615B
Audi Q3 F3 Volkswagen Tiguan 5N Jetta Mk4 Fuse Relay Box 000937615B
Promo price
€32.95
€28.01
Free delivery: Jun 12 – 17
If paid before 14:00
Part no. 4H0959792F
VW Touareg 7P Front Door Control Module Unit ECU Passenger Side 4H0959792F
€23.95
Free delivery: Jun 12 – 17
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 .