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
Part no. 3C0937125A
Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A
€23.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-5%
Part no. 3Q0907530L
VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 02M911024C
Volkswagen Tiguan 5N Engine Starter Motor 02M911024C
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 5K0937084D
Volkswagen Scirocco Mk3 Comfort BCM Control Module Unit ECU 5K0937084D
€56.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
€28.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5Q0915181K
Volkswagen Golf Mk7 Negative Battery Terminal Cable Wiring Loom 5Q0915181K
€28.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 1K0909605AE
VW Volkswagen Scirocco Mk3 Air Module Control Unit ECU 1K0909605AE
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5QA919294G
Volkswagen Golf Mk7 PDC Parking Assist Distance Module Control Unit 5QA919294G
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-40%
Part no. 5G0035820A
Volkswagen Golf Mk7 Infotainment Multimedia Head Unit 5G0035820A
Promo price
€51.95
€31.17
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 5M0907357C
Volkswagen VW Tiguan 5N Headlight Range Control Unit Module ECU 5M0907357C
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5WA980653D
Volkswagen Golf CD1 Camera Lane Assist Control ECU Module Unit 5WA980653D
€89.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 7N0907530AF
VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
€32.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-5%
Part no. 1K0971235
VW Volkswagen Touran 1T Battery Wire Cable Negative Earth Lead 1K0971235
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
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
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5K0937086T
Volkswagen Scirocco Mk3 Tiguan 5N BCM Body Control Module 2.0 TDI 5K0937086T
€85.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 1K0971228M
Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. 02E911024B
Starter Motor VW Golf GTI Audi Seat Skoda Petrol CJX CHHA Bosch 1.1KW 02E911024B
Promo price
€28.95
€24.61
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. 3Q0907530AR
VW Volkswagen Transporter T6 Gateway Control Unit Module ECU 3Q0907530AR
Promo price
€28.95
€24.61
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 1K0971250AH
VW Golf Mk5 V Negative Battery Terminal Cable Wiring 1K0971250AH
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 7M0951253C-3
VW Volkswagen Audi Seat Skoda Relay Black Control 5 Pin 12V 7M0951253C Set X2
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 5Q0959435A
Volkswagen Golf CD1 Keyless Go Module ECU Entry Control Unit 5Q0959435A
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5WA035741B
Volkswagen Golf CD1 Antenna Amplifier Transmitter Receiver Module ECU 5WA035741B
€51.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5Q0919294E
Volkswagen Golf Mk7 PDC Parking Distance Control Module Unit ECU 5Q0919294E
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 1K0959433AK
VW Golf Mk5 1K Body Control Comfort Unit Module Convenience Unit 1K0959433AK
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 03G903023
Volkswagen Passat B6 Alternator Generator 2.0 TDi Diesel 180A Bosch 03G903023
€37.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 02Z911023G
VW Volkswagen Touran 1T 1.4 TSI Starter Motor Petrol Engine Unit 02Z911023G
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 7P6919603
VW Volkswagen Touareg 7P Dashboard Multimedia Display Screen Panel 7P6919603
€156.95
Free delivery: Jul 2 – 3
If paid before 14:00
-15%
Part no. 1J6035111
VW Volkswagen Touareg 7L Golf 4 CD Changer 1J6035111
Promo price
€32.95
€28.01
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 5N0035342G
VW Volskwagen Polo 6R Multimedia Electronic ECU Control Unit Module 5N0035342G
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 6R0971235C
VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6C0971235A
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 1K2941824
VW Golf Mk5 Fuse Box Control Unit Relay Power Distribution Module 1K2941824
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5R3919294
Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
€37.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 5WA962132
Volkswagen Golf Mk8 Antenna Amplifier Transmitter Receiver Module ECU 5WA962132
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 5G0945096Q-1
Volkswagen Golf 5G Rear Tail Light Wire Plug Socket Cable Right O/S 5G0945096Q
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 7L0907719A
Volkswagen Touareg Anti Theft Alarm System Control Module Unit ECU 7L0907719A
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 0AM911023J
Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J
€28.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 02Z911024H
Volkswagen Passat B7 Starter Motor Actuator TDI Diesel Engine 02Z911024H
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5WA907007AC
Volkswagen Golf Mk8 Air Conditioning A/C Control Unit Module 5WA907007AB
€113.95
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 7L0959655A
VW Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655A
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 7E0959263
Heater Resistor VW Transporter T5 Heater Blower Motor Fan Resistor 7E0959263
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 7M0951253C-2
VW Touareg 7L Audi Q7 4L Relay Black Control Unit 5 Pin 404 12V Set 7M0951253C
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
-5%
Part no. 3D0909601F
VW Volkswagen Touareg 7L Air Module Control Unit ECU SRS 3D0909601F
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 2N0915181G
Volkswagen Crafter Mk2 Negative Minus - Battery Terminal Wiring Cable 2N0915181G
€42.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5K0953569AB
VW Volkswagen Passat B7 Audi Skoda Steering Wheel Squib Slip Ring 5K0953569AB
€137.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5N0035342G-1
VW Scirocco Mk3 Polo Mk5 Multimedia Electronic Control Module ECU 5N0035342G
€28.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 7N0907530BR
Volkswagen Caddy Maxi 2k Gateway Control Module Diagnosis Interface 7N0907530BR
€99.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5QC971566
VW Volkswagen Golf Cd1 Passat 3G AC Control Wiring Loom Harness 5QC971566
€23.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 7C0937517AL
VW Crafter SY Fuse Box Distribution Relay Module Housing Bracket 7C0937517AL
€132.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-5%
Part no. 3C0907521
Heater Resistor Volkswagen VW Touran 1T Blower Motor Fan Resistor 3C0907521
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 7N0959792J
VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
€32.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. N1XT-14D338-ADC
VW Volkswagen Amarok NF Wiring Harness Loom Cable N1XT-14D338-ADC
€23.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
-5%
Part no. 1K0907655D
VW Touran 1T Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655D
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 5WA907007K
Volkswagen Golf Cd1 Mk8 Climate Control Module ECU 2.0 Diesel 5WA907007K
€47.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 7CC971120AK
Volkswagen Crafter Mk2 SY Front Door Wiring Loom Harness Left N/S 7CC971120AK
€66.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5K0937087P
VW Volkswagen Sharan 7N Body Control Module BCM CCM Unit 5K0937087P
€127.95
Free delivery: Jul 2 – 3
If paid before 14:00
Part no. 5Q0906121S
Volkswagen Golf Mk7 Mk8 Fuel Pump Control Unit Module 1.6 TDI 5Q0906121S
€23.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 5N0035342F-1
Volkswagen Polo 6R Multimedia Electronic Control Interface Module 5N0035342F
€23.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 7P6971161FL
VW Touareg 7P Door Wiring Loom Harness Cable Front Passenger Side 7P6971161ES
€42.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 6C0915423
Volkswagen Polo 6R Mk5 Battery Terminal Overload Protection Fuse 6C0915423
€23.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 5Q0937084DF
Volkswagen Golf 5G Body Control Module Onboard Unit 5Q0937084DF
€28.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
If paid before 14:00
Part no. 2K6941005B-2
VW Volkswagen Caddy 2K Headlight Headlamp Wiring Front Left N/S 2K6941005B
€23.95
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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
€23.95
€22.75
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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
€23.95
€22.75
Free delivery: Jul 2 – 3
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: Jul 2 – 3
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: Jul 2 – 3
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 .