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.
GB
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 4M0035507
Audi A3 8V A4 B9 Telephone Antenna Amplifier Module Unit Booster 4M0035507
£13.95
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 1K0909606C
Crash Impact Sensor Volkswagen Golf Audi A4 Q7 A6 C6 Air Module Unit 1K0909606C
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8K0959651
Audi A5 8T A4 B8 Crash Impact Sensor Control Unit 8K0959651
Promo price
£18.95
£16.11
Free delivery: Feb 27
If paid before 14:00
Part no. 4F0915519
Volkswagen Polo Touareg Audi A4 A6 A7 A8 Battery Overload Protection 4F0915519
£13.95
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 5Q0959651
Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8P0953549K
Audi A3 8P Steering Angle Steering Wheel Column Control Module ECU 8P0953549K
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8K0907801H
Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
Promo price
£32.95
£28.01
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 5Q0959651B
Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651B
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 1K0959654
Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 1K0959654
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
Part no. 7PP941572AC
Audi A5 F5 Xenon Headlight Resistor Ballast Relay Module Unit 7PP941572AC
£66.95
Free delivery: Feb 27
If paid before 14:00
Part no. 7PP941572AB
Audi A4 B9 Volkswagen Tiguan 1T Headlight Ballast Control Module 7PP941572AB
£37.95
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8H0035411D
Audi A3 8P Door Card Speaker Rear Left Right N/O/S Audio Speaker 8H0035411
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 5Q0959592B
Audi A3 8V Door Module Control Unit Front Passenger Side 5Q0959592B
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 4H0907658
Audi A3 8V A5 8T A6 A7 Air Quality Sensor Control Unit 4H09076588
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-40%
Part no. 4G0907397Q
Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q
Promo price
£28.95
£17.37
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8W0959655F
Audi A4 B9 Air Module Crash Control Module Unit ECU 8W0959655F
Promo price
£189.95
£161.46
Free delivery: Feb 27
If paid before 14:00
Part no. 4M0959651
Front Crash Impact Audi A4 B9 A5 F5 Air Module Sensor Unit 4M0959651
£13.95
Free delivery: Feb 27
If paid before 14:00
Part no. 81A035466B
Audi A3 8V Bang Olufsen Audio AMP Amplifier Module Control Unit ECU 81A035466B
£137.95
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8K0959655B
Audi S5 8T Air Module Control Unit SRS System ECU 8K0959655B
Promo price
£104.95
£89.21
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0959663B
Audi A5 8T Voltage Converter Stabilizer Control Module Unit ECU 8K0959663B
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8T2035186P
Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186P
Promo price
£23.95
£20.36
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 3C0915443A
Audi A3 8P Battery Box Tray Covering Housing Trim Holder Bracket 3C0915443A
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0915181E
AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 3C0906093C
Audi TT Mk2 8J Petrol Engine Fuel Pump Control Unit Module 3C0906093C
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0959663F
Audi A6 C7 Voltage Converter Stabilizer Control Module Unit ECU 8K0959663F
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4G0035061Q
Audi Q5 8R Multimedia Radio Control Module Head Unit 4G0035061Q
Promo price
£237.95
£202.26
Free delivery: Feb 27
If paid before 14:00
Part no. 8T0959793F
Door Module Audi A5 8T A4 B8 Control Front Right O/S Unit 8T0959793F
£13.95
Free delivery: Feb 27
If paid before 14:00
Part no. 81A035502
Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
£23.95
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4L0907282A
Audi A7 4G Q7 4L 3.0 TDI Glow Plug Pre Heat 651 Relay Unit 9 Pins 4L0907282A
Promo price
£37.95
£32.26
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8E0959651A
Audi A4 B7 Front Crash Impact Air Module Sensor Unit Module 8E0959651A
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. RHD-4G2919601T
Audi A7 4G8 Dashboard MMI Multimedia Display Monitor Screen 4G2919601T
Promo price
£47.95
£40.76
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8U0955559C
Audi RS3 8V Front Windscreen Rain Light Solar Sensor Unit 8U0955559C
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0907064CP
Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064CP
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4G0907697F
Audi TT FV LED Headlight Ballast Module Daytime Running Lights Unit 4G0907697F
Promo price
£28.95
£24.61
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8R0907468N
Audi A5 8T Gateway Control Module Unit ECU 8R0907468N
Promo price
£23.95
£20.36
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8X0959795C
Audi Q3 8U Door Module Rear Left Door Control Unit 8X0959795C
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4G0035223C
Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
Promo price
£75.95
£64.56
Free delivery: Feb 27
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
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8X0907357C
Audi TT 8J Headlight Head Light Lamp Range Control Unit Module ECU 8X0907357C
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
Part no. 8X0959793H
Audi A1 8X Door Module Front Driver's Side Control Unit ECU 8X0959793H
£13.95
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 038907281B
Audi A6 C6 2.0 TDI Glow Plug Relay Unit Control Module 038907281B
Promo price
£23.95
£20.36
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8X0959795D
Audi A1 8X Rear Door Module Left N/S Control Unit ECU 8X0959795D
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 1K0915181H
Audi A3 8P Negative Cable Battery Terminal Wiring Loom 1K0915181H
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0907247
Audi A6 4G Keyless Entry Amplifier Control Box Module Aerial Antenna 8K0907247
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. RHD-8J0959655
Audi TT 8J Air Module Control Unit ECU Crash Control Computer 8J0959655
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0915181B
Audi A4 B8 A5 8T A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181B
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4N0915105B
Hybrid Voltage Battery Audi Q7 Q8 4M Front Top Cooling Radiator 4N0915105B
Promo price
£474.95
£403.71
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4E0919887M
Sat Nav Audi S8 D3 A6 C6 DVD Drive Navigation Control Unit 4E0919887M
Promo price
£23.95
£20.36
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4H0907658B
Audi A3 8V A5 A6 A7 Air Quality Sensor Unit 4H0907658B
Promo price
£18.95
£16.11
Free delivery: Feb 27
If paid before 14:00
-40%
Part no. 8T0919603F
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603F
Promo price
£42.95
£25.77
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 4H0959651A
Audi A1 A6 A7 Impact Crash Control Sensor Module ECU 4H0959651A
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4L2910401B-1
Audi Q7 4L 3.0 TDI CRCA Quattro Engine ECU Kit Lock + Ignition + Key 4L2910401B
Promo price
£712.95
£606.01
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0907357B
Audi A4 B8 Headlight Range Module Control Unit ECU 8K0907357B
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-40%
Part no. 8P0919475M
Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
Promo price
£42.95
£25.77
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8T0919603C
Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603C
Promo price
£37.95
£32.26
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8E0035111D
Audi TT 8J Radio Head Unit Navi CD DVD Player Changer 8E0035111D
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8X0915181
Audi A4 B8 A5 8T TT Mk2 Negative Battery Terminal Cable Lead 8X0915181
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8V0035874B
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874B
Promo price
£189.95
£161.46
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8R0919604A-1
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
Promo price
£23.95
£20.36
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0907637C
Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637C
Promo price
£13.95
£13.25
Free delivery: Feb 27
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
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 5Q0919294K
Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8X0959792H
Audi Q3 8U Door Module Front Door Left N/S Control Module 8X0959792H
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
Part no. 89393773
Audi Q7 4L Headlight Module Ballast Control Unit 89393773
£23.95
Free delivery: Feb 27
If paid before 14:00
-40%
Part no. RHD-8W8919605
Audi A5 F5 Display Screen Dashboard Multifunction Monitor Unit 8W8919605
Promo price
£70.95
£42.57
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 04L907282
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
Part no. 8P0035186G
Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
£23.95
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4E0035729
Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729
Promo price
£18.95
£16.11
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. RHD-8W2919604A
Audi A4 B9 Central Information Display Screen CIC Navigation 8W2919604A
Promo price
£18.95
£16.11
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8S0915181B
Audi A7 4G8 A6 C7 Negative HV Battery Cable Wire Harness Terminal 8S0915181B
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8P0035186S
Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
Promo price
£32.95
£28.01
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8K0959663D
Audi Q3 8U A3 8P A6 C7 Voltage Stabilizer Converter Control Module 8K0959663D
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 4G0907355G
Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8K0907063DH
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
Promo price
£47.95
£40.76
Free delivery: Feb 27
If paid before 14:00
Part no. 059906627L
Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
£28.95
Free delivery: Feb 27
If paid before 14:00
-40%
Part no. RHD-8R2035666F
Audi A4 B8 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8R2035666F
Promo price
£104.95
£62.97
Free delivery: Feb 27
If paid before 14:00
Part no. 8S0915181C
Audi Q5 FY A5 Negative Battery Terminal Cable Wiring 8S0915181C
£13.95
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8T0919603E-1
Audi A4 B8 Display Screen Sat Nav Navigation Dashboard 8T0919603E
Promo price
£32.95
£28.01
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8T0915181
Audi A4 RS4 B8 Battery Terminal Negative Cable Loom Harness Wiring 8T0915181
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8T0035223T
Audi S4 B8 Aerial Antenna AMP Amplifier Booster Unit Module 8T0035223F
Promo price
£379.95
£322.96
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8E0951253
Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 7P0907652
Yaw Sensor Audi Q7 4L Rotation Rate Unit Module 7P0907652
Promo price
£18.95
£16.11
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8V0035399C
Audi A3 8V A-Pillar Speaker Tweeter Front Left Right N/O/S 8V0035399C
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-40%
Part no. 8P0907063R
Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R
Promo price
£113.95
£68.37
Free delivery: Feb 27
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
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
Part no. 1K0907530K
Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530K
£13.95
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 8W1959595
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 7L0864643B
Battery Cover Audi Q7 4L VW Touareg 7P Porsche Cayenne 9PA Top Cap 7L0864643B
Promo price
£18.95
£16.11
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8W0907064DB
Audi S4 B9 Body Control Module BCM Comfort Control Unit 8W0907064DB
Promo price
£28.95
£24.61
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8V0920790A
Audi A3 S3 RS3 Instrument Cluster Speedo Clocks Diesel Manual 8V0920790A
Promo price
£474.95
£403.71
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8K0907064KE
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064KE
Promo price
£23.95
£20.36
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 4G0035061Q-1
Head Unit Audi A5 8T Q5 8R Multimedia Radio Control Unit Module 4G0035061Q
Promo price
£237.95
£202.26
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. rhd-8D2941824
Audi A6 C6 Fuse Box Control Module Relay Box 8D2941824
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-40%
Part no. 8R0035223F
Audi A4 B8 A5 8T Stereo Radio Sound System Speaker Amp Amplifier 8R0035223F
Promo price
£23.95
£14.37
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8W5035035A-1
Audi A4 B9 A5 F5 Q5 FY MMI Multimedia Navigation Control Head Unit 8W5035035A
Promo price
£332.95
£283.01
Free delivery: Feb 27
If paid before 14:00
-5%
Part no. 5Q0959592F
Door Module Audi A3 8V Volkswagen Golf 7 Control ECU Front Left N/S 5Q0959592F
Promo price
£13.95
£13.25
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 5Q0937084CP
Audi S3 8V Module BCM Body Control Unit Module ECU 5Q0937084CP
Promo price
£28.95
£24.61
Free delivery: Feb 27
If paid before 14:00
-15%
Part no. 8W0035465-1
Stereo Radio Amp Audi A4 B9 A5 8W Sound System Speaker Amplifier 8W0035465
Promo price
£132.95
£113.01
Free delivery: Feb 27
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 .