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. 8H0907357A
Audi S4 B8 Front Lamp Headlight Luminance Control Module Unit ECU 8H0907357A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K0959795G
Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795G
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4F0955557A
Audi A6 C6 Door Crash Impact Sensor Front Left Right N/O/S 4F0955557A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8H0959985B
Audi Q7 4L Keyless Module ECU Door Lock Control Unit 8H0959985B
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 443937105B
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8V5971687Q
Audi A3 8V Door Wiring Harness Loom Rear Left Right N/O/S 8V5971687Q
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4F1971036A
Audi A6 C6 Front Passenger Door Wiring Left N/S Harness Loom Cable 4F1971036A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 1S0919275D-MRE
Audi A5 8T PDC Parking Distance Control Sensor 1S0919275D Misano Red Pearl - Z3M
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 1K0907719B
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4M0959593N
Audi Q7 4M Front Door Control Module Unit ECU Driver's Side 4M0959593N
€56.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8V4971693F
Audi A3 8V Rear Left Right N/O/S Door Card Wiring Loom Harness 8V4971693
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 5Q0907530AJ
Audi RS3 8V Gateway Control Module GCM Unit ECU 5Q0907530AJ
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8D1941824
Volkswagen Passat B5 Audi A8 D3 A4 B6 Fuse Box Control Unit Module 8D1941824
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 4L0919614B
Audi Q7 4L Navigation Multimedia Control Panel Knob Unit 4L0919614B
Promo price
€550.95
€330.57
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8K0955559D
Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 8K0955559D
Promo price
€108.95
€92.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5Q0919294K
Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4H0951253-1
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit Set 4H0951253
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4E0941286G
Audi S8 D3 Front Headlight Level Control Sensor Right O/S 4E0941286G
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8K0959793A
Audi A5 8T Coupe Driver's Door Module Control Unit 8K0959793A
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4F9035225D
Audi A6 C6 Antenna Amplifier Control Unit Module ECU 4F9035225D
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8T0919603E-1
Audi A4 B8 Display Screen Sat Nav Navigation Dashboard 8T0919603E
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 03L903023A
Audi A3 8P Alternator Generator Diesel Engine Electrical Unit 03L903023A
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8W0971659B
Audi A4 B9 Dashboard Air Vent Wiring Loom Harnes Cable Passenger Side 8W0971659B
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8V0907451
Audi A3 8V Sun Light Solar Sensor Control Detector 8V0907451
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4H0959651A
Audi A1 A6 A7 Impact Crash Control Sensor Module ECU 4H0959651A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8S0971365F
Audi TT FV Driver's Seat Cable Seat Belt Warning Wiring Loom Harness 8S0971365F
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8X0959793E
Audi A1 8X Q3 8U Front Door Module Driver's Side Control Unit ECU 8X0959793E
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4M0959760A
Audi A5 F5 Seat Module Control Unit ECU Front Left Right N/O/S 4M0959760A
€66.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4G5971030DJ
Audi A6 C7 Front Door Wiring Harness Loom Left N/S Passenger's Side 4G5971030DJ
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8P0907063R
Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R
Promo price
€123.95
€74.37
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 03C903023S
Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 5WB959107B
Audi Q2 GA Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7367747
Promo price
€70.95
€42.57
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8W0907064EC
Audi A5 F5 BCM Body Comfort Module Onboard Control Unit ECU 8W0907064EC
€94.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K0971845A
AUDI A5 8T 2.0 TDI CGLC Fuse Relay Box Power Distribution 8K0971845A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5Q0959595K
Audi A3 8V Rear Door Control Module Unit ECU Left Right N/O/S 5Q0959595K
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4E0035652E
Audi A6 C6 MMI Multimedia Sat Nav Navigation Control Head Unit 4E0035652E
€142.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8K0959655G
Audi A4 B8 Air Module ECU Control Unit Crash Sensor 8K0959655G
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8X0971693A
Audi A1 8X Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8X0971693A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8F0035399
Audi A5 8F Door Speaker Tweeter Front Left N/S 8F0035399
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4F0035541N
Audi A4 B8 Becker K-Box Radio Receiver Module Control Unit ECU 4F0035541N
€42.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4F0959792R
Audi A6 C6 Front Door Left N/S Module Unit Control ECU 4F0959792R
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8K0907063DH
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4F0959793P
Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793P
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 80A907159
Audi SQ5 FY Control Unit Module Active Sound Design 80A907159
Promo price
€85.95
€73.06
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8W0906259N-1
Audi A5 F5 45 TFSI DKNA 245HP Quattro Engine ECU Kit 8W0906259N Gateway + Key
Promo price
€351.95
€211.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8X0959792B
Audi A1 8X Door Module Control Unit Controller Front Passenger's Side 8X0959792B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 1K0906093G
Audi A1 8X VW Seat Skoda Fuel Pump Control Unit Module 1K0906093G
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8R0907401J-1
Audi Q5 8R 3.0 TDI CCWA 240HP Quattro Engine ECU Kit Ignition + Key 8R0907401J
Promo price
€284.95
€170.97
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4H0907063GG
Audi A6 C7 A7 4G Onboard Supply BCM Body Control Module Unit ECU 4H0907063GG
€189.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 03G906016KN-1
Audi A4 B7 2.0 TDI BPW 140HP Engine ECU Kit Ignition + Key 03G906016KN Manual
€113.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8W0971104A
Audi A4 B9 Rear Bumper Cable PDC Parking Sensor Wiring Harness Loom 8W0971104A
€37.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 4E0035785D
Audi A4 B8 A5 8T MMI Multimedia Interface Control Unit Module 4E0035785D
Promo price
€99.95
€59.97
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4H0907063CD
Audi A8L 4H Onboard Comfort Control Module CCM Unit ECU 4H0907063CD
€47.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8K0907440A
Audi A4 B8 Q7 4L GPS Vehicle Tracking Location Control Unit Module 8K0907440A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8K0941824A
Audi A1 A4 A6 A7 A8 Fuse Box Connector Socket Module Unit 8K0941824A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4F1971693G
Audi A6 C6 Rear Door Wiring Harness Cable Loom Left Right N/O/S 4F1971693G
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 03L906018JG-1
Audi A5 8T 2.0 TDI CGLC 177HP Diesel Engine Control ECU Kit 03L906018JG Manual
€165.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8N0959643A
Audi TT 8J Crash Impact Sensor Unit Air Module 8K0955557C
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8W0959595N
Audi A4 B9 Door Module Rear Right Left N/O/S Control Unit 8W0959595N
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8K0941824D
Audi Volkswagen Fuse Box Connector Socket Module Unit 8K0941824D
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8K0959792D
AUDI S5 8T Door Control Module ECU Front Left N/S 8K0959792D
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8W0906093F
A4 B9 35 TFSI Fuel Pump Sender Control Relay Module Unit ECU 8W0906093F
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8V0920790A-1
Audi A3 S3 RS3 8V Instrument Cluster Speedo Clocks Petrol Automatic 8V0920790A
€503.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 4M0959595N
Audi Q7 4M Rear Door Control Module Unit ECU Left Right N/O/S 4M0959595N
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4F0907357F
Audi A6 C6 Headlight Head Light Lamp Range Control Unit Module ECU 4F0907357F
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 5QA919294B
Audi A3 8V VW Volkswagen Golf VII PDC Park Assist Control Module Unit 5QA919294B
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 5N0971235A
Audi A3 8P VW Golf MK6 Battery Negative Earth Cable Harness Wiring 5N0971235A
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8E0035195M
Audi A4 B7 Convertible Symphony CD Changer Radio Head Unit 8E0035195M
€75.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8U0971030AF
Audi Q3 8U Front Door Wiring Harness Loom Cable Passenger Side 8U0971030AF
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4F0907280A
Audi A6 C6 On Board Onboard Supply Module Control Unit ECU 4F0907280A
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 4F0959655E
Audi A6 C6 SRS Crash Air Module Safety ECU Unit Control 4F0959655E
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5Q0959392B
Audi A3 S3 8V Door Control Module Front Passenger Side Left N/S 5Q0959392B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8F0959655C
Audi A5 8F Cabrio Air Module Control Unit ECU Crash Control Sensor 8F0959655C
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8P3907357B
Audi S3 8P Xenon Headlight Range Control Module Unit ECU 8P3907357B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8N0906018BH
Audi S3 8L 1.8T BAM Quattro 225HP Petrol Engine Unit ECU 8N0906018BH Manual
€379.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 06D903016A
Audi A4 B7 Alternator Generator Unit 140A 14V 1.8 2.0 Petrol Engine 06D903016AB
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8V4971030AD
Audi A3 S3 8V Front Door Wiring Harness Loom Cable Passenger Side 8V4971030AD
€61.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8P4963553A
Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553A
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8F0971030AM
Audi A5 8T Front Door Electric Wiring Loom Harness Passenger's Side 8F0971030AM
€42.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8E1971035DJ
Audi A4 B7 Front Door Wiring Harness Loom Cable Left N/S 8E1971035DJ
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 5Q1937084C
Audi Q2 GA Module BCM Body Control Unit Module ECU 5Q1937084C
Promo price
€127.95
€76.77
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6C0907361E
Fuse Box Audi A1 Seat Ibiza Control Module Relay Box 6C0907361E
Promo price
€75.95
€64.56
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4H0959792H
Audi A8 D4 4H Front Door Control Module Unit ECU Passenger Side 4H0959792H
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4M0907401AM
Audi Q7 4M 3.0TDI DPXB Quattro 218HP Engine Control ECU 4M0907401AM Automatic
€759.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4H0919604H-1
Audi A8L 4H Navigation Dashboard Display Hud Screen 4H0919604H
€165.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 0AH911023G
Audi Seat Skoda Volkswagen 1.2 TSI Petrol Starter Motor 0AH911023G
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 03L903023-1
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4H0959795D
Audi A8L 4H Rear Door Module Control Unit Left Right N/O/S 4H0959795D
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8X0959793B
Audi A1 8X Door Module Control Unit Controller Front Driver's Side 8X0959793B
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 1S0919275D-TOG
Audi Q3 8U PDC Parking Distance Control Sensor Tornado Grey-X7P 1S0919275D
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 06J971082D
Audi Q3 8U Engine Injector Module Wiring Harness Cable 2.0 TFSI 06J971082E
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8R0971104AC
Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104AC
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 7P6907357C
Audi A3 8V VW Touareg 7P Xenon Headlight Module Control Unit 7P6907357C
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 4F0959792P
Audi A6 C6 Front Door Lock Control Module Unit ECU Passenger Side 4F0959792P
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 04L907288E
VW Volkswagen Transporter T6 Glow Plug Relay Unit Black 9 Pins 04L907288E
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8W1907064BL
Audi A4 B9 Body Control Module BCM Comfort Control Unit Power Supply 8W1907064BL
Promo price
€189.95
€113.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5Q0971230FP
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8E0971693P
Audi A4 B7 Door Card Speaker Harness Loom Cable Wiring Rear 8E0971693P
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 4H0907508
Audi RS6 C7 Acceleration Engine Sensor Module Control Unit ECU 4H0907508
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 .