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
-5%
Part no. 8K0959792A
Audi A5 8T Door Control Module Front Left N/S 8K0959792A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T0907468M
Audi A5 8T Central Gateway Module ECU Control Unit Lear 8T0907468M
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8K0907401-1
Audi A5 8T 3.0TDI CAPA Quattro 240HP Engine ECU Kit Ignition 8K0907401 + Key
Promo price
€227.95
€136.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T0035225J
Audi A5 8T Antenna Aerial Amplifier Module Control Unit 8T0035225J
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0907279
Audi A5 8T Gateway Convenience Body Module Control Unit ECU 8K0907279C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 5Q0959655L
Audi A3 8V Air Module Control Sensor ECU Unit 5Q0959655L
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5Q0907357
Audi A3 8V Headlight Head Light Lamp Range Control Unit Module ECU 5Q0907357
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8V0035736
Audi A3 8V Music Interface Multimedia Connection Module 8V0035736
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. EXHAUST-FLAP-CONTROL
Audi A3 8V 1.6 TDI CLHA Drive Exhaust Flap Control Module Unit Actuator
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 06A903143P
Audi TT 8N Alternator Bracket Mount Holder 06A903143P
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8P0959655J
Audi A3 E 104 T Air Module ECU Sensor Control Unit 8P0959655J
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4L0959760
Audi Q7 4L Front Memory Adjustment Module Control Left Right N/O/S 4L0959760
Promo price
€94.95
€56.97
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7H0907655A
Audi TT 8J Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8J0035223D
Audi TT 8J Audio Amplifier Radio Sound BOSE Unit 8J0035223D
Promo price
€569.95
€341.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8X0971687C
Audi A1 8X Rear Door Harness Left N/S Wiring Loom Cable 8X0971687C
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1J0927841
Audi Volkswagen Seat Skoda ESP Relay Unit Grey 444 1J0927841
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7H0907652A
Audi Q7 4L Yaw Rate Speed Sensor Module 7H0907652A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4L0959655C
Audi Q7 4L Air Module Control Unit ECU Impact Sensor 4L0959655C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 4L0907468B
Audi Q7 4L Gateway Module Central Control Unit 4L0907468B
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1S0919275-PHB
Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU Phantom Black Z9Y
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4L0959795B
Audi Q7 4L Door Control Module Unit ECU Rear Left N/S 4L0959795B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4L0959794B
Audi Q7 4L Door Control Module Electrical Unit ECU Rear Right O/S 4L0959794B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0907247A
Audi Q7 4L Keyless Entry Amplifier Control Box Module Aerial Antenna 4F0907247A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 4L0959793B
Audi Q7 4L Front Door Module Driver Right O/S Side Control Unit 4L0959793B
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4L0907290
Audi Q7 4L Gateway Convenience Module Unit Control ECU 4L0907290
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8V0035398A
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035398A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4L0959792B
Audi Q7 4L Door Control Unit Module ECU Passenger Side 4L0959792B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0907280E
Audi Q7 4L On Board Power Supply Control Module Unit ECU 4F0907280E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8X0959673
Audi A1 8X Windscreen Heating Control Switch 8X0959673
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4H0907658B
Audi A3 8V A5 A6 A7 Air Quality Sensor Unit 4H09076588
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8V0857273P
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T8035570-1
Audi A4 B8 Radio Antenna Noise Signal Disturbance Suppressor 8T8035570
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 5QA919283A
Audi A3 S3 8V VW Golf 7 Seat Leon 3 Parking Assist PDC Control Module 5QA919283A
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8V0971104
Audi A3 S3 8V Sportback Wiring Harness PDC Parking Sensor Rear Bumper 8V0971104
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8K5907357
Audi A4 B8 Headlight Headlamp Range Control Unit Module 8K5907357
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8K0907472
Audi A4 B8 Headlight Headlamp LED Module Control Unit 8K0907472
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 03L911021C
Audi A4 B8 2.0 TDI CAGA Diesel Engine Starter Motor Bosch Unit 03L911021C
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8K0907063N
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063N
Promo price
€51.95
€44.16
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T0959792G
Audi A4 B8 Front Door Lock System Module Right O/S Control Unit ECU 8T0959792B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T0959795H
Audi A4 B8 Door Control Module Unit ECU Rear Left Right N/O/S 8T0959795H
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T0959793G
Audi A4 B8 Door Module Front Left N/S Control Unit ECU 8T0959793G
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0907063BE
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063K
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 03L906018JR-1
Audi A4 B8 2.0 TDI CJCB Engine Control Unit Module ECU Kit 03L906018JR Manual
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4F9971085E
Audi A6 C6 Avant Rear Bumper PDC Wiring Loom Parking Sensor 4F9971085E
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0959795E
Audi A6 C6 Rear Door Left N/S Module Unit Control ECU 4F0959795E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0959794E
Audi A6 C6 Rear Door Right O/S Module Unit Control ECU 4F0959794E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F9035225AA
Audi A6 C6 Antenna Amplifier Control Unit Module 4F9035225AA
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 038907281B
Audi A6 C6 2.0 TDI Glow Plug Relay Unit Control Module 038907281B
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4F0907279
Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4F0035056B
Audi A6 C6 Head Unit Radio CD Player Control Unit Module 4F0035056B
Promo price
€222.95
€133.77
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4F1971687AL
Audi A6 C6 Rear Left N/S Door Harness Cable Loom 4F1971687AL
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0959792T
Audi A6 C6 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0959795P
Audi A6 C6 Rear Left N/S Door Lock Control Module Unit ECU 4F0959795P
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 03L906022FL
Audi A6 C6 3.0 TDI 233HP Diesel Engine Control Unit ECU Kit Module 03L906022FL
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0910177
Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8P0035785-1
Audi A3 8P Multimedia Interface Unit Module Bracket Mount 8P0035785
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8P0035785
Audi A3 8P MMI Multimedia Interface Unit Module Control ECU 8P0035785
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4E0035654A
Audi A6 C6 MMI Multimedia Navigation Control Head Unit 4E0035654A
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 4E0910336MX
Audi A6 C6 Bluetooth Multimedia Interface Control Module Unit ECU 4E0910336MX
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0903291
Audi A6 C6 3.0 TDI Suppression Condenser Noise Filter 4F0903291
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4F0907283
Audi A6 C6 FL Tire Pressure Control Module 4F0907283
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 1K0909606C
Crash Impact Sensor Volkswagen Golf Audi A4 Q7 A6 C6 Air Module Unit 1K0909606C
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8D0951253A
Audi A6 C6 Multi Use Relay Unit Module 4 Pins 373 8D0951253A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4E0035729
Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
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 - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0959655B
Audi A6 C6 Air Module Control Unit ECU Module 4F0959655B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4E0919887M
Sat Nav Audi S8 D3 A6 C6 DVD Drive Navigation Control Unit 4E0919887M
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8E0907637B
Audi A6 C6 Yaw Module Rotation Rate Acceleration Sensor 8E0907637B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0971235
Audi A6 C6 Negative Battery Terminal Cable Wiring 4F0971235
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 4F0953549A
Audi S6 C6 Steering Column Wiper Switch Stalk Cruize Control 4F0953549A
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4F0915519
Volkswagen Polo Touareg Audi A4 A6 A7 A8 Battery Overload Protection 4F0915519
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8P0035503M
Audi A3 8P Bluetooth Antenna Module Control Unit 8P0035503M
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 4H0951253
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit 4H0951253
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1K0907719C
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 1K0937125D
Audi A3 8P Engine Bay Fuse Box 1K0937125D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8P1862335
Audi A3 8P Telematics Bluetooth Module Control Unit ECU 8P1862335
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T0959754
Audi A5 8T Remote Radio Alarm Key Button Control Unit Module 868 MHZ 8T0959754
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8E0035456C
Audi A4 B7 Telephone Aerial Antenna Signal Amplifier Module 8E0035456C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8E0057185KX
Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert 8E0057185KX
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8T2035186P
Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186P
€42.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8X0915181
Audi A4 B8 A5 8T TT Mk2 Negative Battery Terminal Cable Lead 8X0915181
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8J0915459
Audi A4 B8 A5 8T TT MK2 Positive Battery Terminal Cable Overload Fuse 8J0915459
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0937517A
Audi A4 B8 A5 8T Battery Postive Terminal Distribution Power Board 8K0937517A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0959663
Audi A4 B8 A5 8T Voltage Stabilizer Converter Control Unit Module 8K0959663
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0907637C
Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8T0907468R
Audi A4 B8 Gateway Control Unit Module ECU 8T0907468R
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8K0951253
Audi VW Volkswagen Seat Relay 643 Unit Module 4 Pins 8K0951253
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
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 .