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.
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Make
Category
Subcategory
Condition
In Stock
Price
-40%
Part no. 1EA907376C
Audi S3 8Y Rear Suspension Damper Module Control Unit 1EA907376C
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
Part no. 057911023EX-1
Audi Q7 4L Engine Starter Motor Actuator Starter 057911023EX
£47.95
Free delivery: Mar 02
If paid before 14:00
Part no. 4M0959793H
Audi A5 F5 A4 B9 Front Door Control Module Unit ECU Driver's Side 4M0959793H
£23.95
Free delivery: Mar 02
If paid before 14:00
Part no. 4F1971030AD
Audi A6 S6 C6 Front Passenger Door Wiring Harness Loom Left N/S 4F1971030AD
£13.95
Free delivery: Mar 02
If paid before 14:00
Part no. 420971225B
Audi R8 Positive Plus Battery Wiring Harness Cable 420971225B
£42.95
Free delivery: Mar 02
If paid before 14:00
Part no. 4E0035061D
Audi A8 D3 Radio Audio Sound Amplifier Tuner Harman Becker 4E0035061D
£151.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 8Y0035465A
Audi Q2 GA Harman Speaker Amplifier Booster Sound System 8Y0035465A
Promo price
£123.95
£74.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8K0907401F-1
Audi A4 B8 3.0 TDI 240HP Engine ECU Kit Ignition + Key 8K0907401F Manual
Promo price
£132.95
£79.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8W0907063CF
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W0907063CF
Promo price
£51.95
£31.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8T0959792H
Door Module Audi A5 8T A4 B8 Control Front Left N/S Unit 8T0959792H
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 5WA980653E
Audi A3 S3 8Y Front Camera FAS Lane Assistance Control Unit 5WA980653E
Promo price
£94.95
£80.71
Free delivery: Mar 02
If paid before 14:00
Part no. 03L906018AK
Audi A3 8P 2.0 TDI CFGB 170HP Diesel Engine Control ECU 03L906018AK Automatic
£56.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-8K2971228F
Audi A5 8T 2.0 TFSI Alternator HV Battery Earth Cable Terminal Wiring 8K2971228F
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 5WA937548H
Audi A3 8Y Main Fuse Socket 5WA937548H
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4M0959592N
Audi Q7 4M Front Door Module Control Unit ECU Passenger Side 4M0959592N
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
Part no. 1308310484
Audi TT Contact Plate Control Unit Module Electric Part 1308310484
£28.95
Free delivery: Mar 02
If paid before 14:00
Part no. 06M907309D-4
Audi S5 F5 3.0 TFSI 354HP CWGD Quattro Engine ECU Kit BCM + 2 Key 06M907309D
£379.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 5Q0937084CJ
Audi A3 8V 1.6 TDI DBKA BCM Body Control Module Unit ECU 5Q0937084CJ
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4H0907064L
Audi A7 4G A8 D4 Body Comfort Control Module Unit BCM 4H0907064L
Promo price
£51.95
£31.17
Free delivery: Mar 02
If paid before 14:00
Part no. 4E0919604A
Audi A8 S8 D3 Display Monitor Screen Sat Nav Multimedia Control Unit 4E0919604A
£142.95
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. 5Q0959592D
Door Module Audi A3 8V VW Golf 7 Seat Leon 3 Front Right O/S 5Q0959592D
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8X0971693
Audi A1 8X Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8X0971693
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 4K0915431K
Audi A6 C8 Battery Box Tray Housing Holder Bracket Cove 4K0915431K
£18.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H0907468C
Audi A8 D4 Central Diagnostic Getaway Control Unit Module ECU Lear 4H0907468C
Promo price
£42.95
£36.51
Free delivery: Mar 02
If paid before 14:00
Part no. 4M0959792H
Audi A5 F5 Door Module Control Unit ECU Front Passenger Side 4M0959792H
£37.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4L0959792B
Audi Q7 4L Door Control Unit Module ECU Passenger Side 4L0959792B
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8K1907401H
Audi A4 B8 A5 8T 2.7 TDI 190HP CGKA Engine Control ECU 8K1907401H Automatic
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
Part no. 8W6971036G
Audi A4 B9 A5 F5 Front Door Wiring Harness Cable Passenger Side 8W6971036D
£37.95
Free delivery: Mar 02
If paid before 14:00
Part no. 8W8035225D
A5 F5 Radio Aerial Antenna Amplifier Left Upper N/S 8W8035225D
£32.95
Free delivery: Mar 02
If paid before 14:00
Part no. 8T0971035G
Audi A5 8T Coupe Front Door Wiring Loom Harness Driver's Side Cable 8T0971035G
£18.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H0971663A
Audi A8 D4 Front Door Wiring Harness Loom Cable Left N/S 4H0971663A
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
Part no. 8W8035225
A5 F5 Radio Aerial Antenna Amplifier Right Upper O/S 8W8035225
£37.95
Free delivery: Mar 02
If paid before 14:00
Part no. 8X0919603B
Audi S1 8X Stereo Display Media SAT NAV Screen MMI Multifunction 8X0919603B
£94.95
Free delivery: Mar 3 – 10
If paid before 14:00
Part no. 4E0910441-1
AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441
£113.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 05E907309CB
Audi Q2 GA 35 TFSI 1.5 DXDB Engine ECU Kit Ignition + Key 05E907309CB Manual
Promo price
£284.95
£170.97
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. 8P0959655L
Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4G1919129B
Audi A4 B8 CD-Player Radio Tuner Module Control Unit 4G1919129B
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8W0919806A
Audi S3 8Y A4 B9 8W Data Reader Module Body Control Unit 8W0919806A
Promo price
£208.95
£177.61
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 5Q0937125H
Audi A3 8V SAM Relay Fuse Box Module Control Unit ECU 5Q0937125H
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8W6907217B
Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217B
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
Part no. 4G5971687BH
Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left Right N/O/S 4G5971687BH
£28.95
Free delivery: Mar 02
If paid before 14:00
Part no. 4E0035670C
Audi A6 C6 A8 D3 Navigation Radio CD SD SIM Player MMI Head Unit 4E0035670C
£189.95
Free delivery: Mar 3 – 10
If paid before 14:00
Part no. 8XA035193
Audi A1 8X Navigation Head Unit Radio Audio MMI CD Player Stereo 8XA035193
£474.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 03L906022NP-1
Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8R0907468F
Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4E0035785F
Audi S4 B8 MMI Multimedia AMI Interface Music Control Module Unit 4E0035785F
Promo price
£137.95
£82.77
Free delivery: Mar 02
If paid before 14:00
Part no. 1305715356
Audi TT FV Mk3 8S Front LED Headlight Control Unit Module 1305715356L
£47.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 5QS907530A
Audi S3 8Y Diagnostic Interface Data Bus Gateway Control Unit 5QS907530A
Promo price
£70.95
£42.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8K0907064HM
Audi A4 B8 Rear Comfort Convenience Module Control Unit ECU 8K0907064HM
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
Part no. 8W0907217D
Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
£180.95
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. 4M0035446
Audi A3 S3 8V Mobile Comunication Sygnal 2-Way Amplifier Compenser 4M0035446
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4E0971142A
Audi A8 S8 D3 Door Window Lifter Wiring Cable Rear Left Right N/O/S 4E0971142A
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4G0907401S
Audi A7 4G 3.0 TDI CDUD Quattro Engine ECU Kit 4G0907401S BCM + Ignition + 2 Key
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 5Q0971230FP
Battery Cable Audi A3 8V Starter Alternator Wiring Harness 5Q0971230FP
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8E0880201BK
Audi A4 B7 Steering Wheel Air Module Driver's Side 8E0880201BK
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4G0907160B
Audi A7 4G Exhaust Gas Module Control Unit ECU 4G0907160B
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8T0035225J
Audi A5 8T Antenna Aerial Amplifier Module Control Unit 8T0035225J
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 420035223C
Audi R8 42 Spyder Audio Amplifier System Unit Control Unit Module 420035223C
£351.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 4L0910289K
Audi Q7 4L Body Control Comfort Unit Module BCM Unit ECU 4L0907289K
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8X0971030M
Audi A1 S1 8X 3D Door Wiring Harness Loom Cable Passenger Side 8X0971030J
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8E0971073
Audi A4 B6 B7 8E Water Coolant Radiator Temperature Sensor Loom Wiring 8E0971073
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8H0907357A
Audi S4 B8 Front Lamp Headlight Luminance Control Module Unit ECU 8H0907357A
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 8F0959655D
Audi A5 8F Air Module Control Unit ECU Crash Control 8F0959655D
£18.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 1K0907719B
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719B
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 03L906022MK
Audi A4 B8 2.0 TDI Diesel CAGA 143HP Engine Unit ECU 03L906022MK Automatic
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8T0907468AA
Audi S4 B8 Diagnostic Interface Gateway Control Module Unit ECU 8T0907468AA
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
Part no. 5Q0907530AL
Audi A3 8V VW Golf 5G Central Gateway Control Unit Module Relay ECU 5Q0907530AL
£13.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-8T0919611
Audi A4 B8 Head Unit Media Player Controller Knob Switch Panel 8T0919611
Promo price
£56.95
£48.41
Free delivery: Mar 02
If paid before 14:00
Part no. 03L906018HT-1
Audi A4 B8 2.0 TDI CJCA 143HP Engine ECU Kit BCM + Key 03L906018HT Automatic
£94.95
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. 5QS919298
Audi A3 S3 8Y VW Caddy SB Mk4 Parking Sensor Module Control Unit 5QS919298
Promo price
£142.95
£121.51
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8P0907357M
Audi A6 C6 Headlight Lamp Range Control Module Unit ECU 8P0907357M
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
Part no. 4K0035063D
Audi A6 C8 MIB2 Multimedia Navigation Radio Control Head Unit 4K0035063D
£569.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. RHD-4G2937503A
Audi RS4 B8 Fuse Box Relay Carrier Holder Bracket Mount 4G2937503A
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 03L906018DT-1
Audi TT 8J 2.0 TDI 170HP CFGB Engine ECU Unit Kit 03L906018DT Manual
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H0971284
Audi A8 D4 4H Engine Cooling Fan Wiring Harness loom Cable 4H0971284
Promo price
£66.95
£56.91
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 04E0919064
Audi A8 D3 Door Lightning Module Control Unit Front Rear 04E0919064
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. RHD-4H2971845
Audi R4 B8 Fuse Box Relay Carrier Holder Bracket Mount Right O/S 4H2971845
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 5LA907357H
Audi A6 C6 Front Lamp Headlight Range Control Module Unit ECU 5LA907357H
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H0907182H
Audi A8 D4 4H Front Seat Backrest Control Module Unit ECU 4H0907182H
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 4G0907401S-1
Audi A7 4G C7 3.0 TDI CDUD 245HP Quattro Engine Module ECU 4G0907401S Automatic
£284.95
Free delivery: Mar 02
If paid before 14:00
Part no. 8T0862335D
Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335D
£18.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8K0907364A
AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4M0010006B
Audi Q7 4M Fuse Box Battery Terminal Cover Housing 4M0010006B
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8K9035225F
Audi A4 B8 Antenna Amplifier Aerial Module Control Unit Right O/S 8K9035225F
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
Part no. 1S0919275D-FSI
Audi Q3 8U PDC Parking Distance Control Sensor 1S0919275D Foil Silver - Z7G
£13.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 5Q0907530M
Audi A3 8V Gateway Module Control ECU Unit 5Q0907530M
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
Part no. 06L907309E
Audi A4 B9 2.0 TFSI DLVA 190HP Engine Control Unit ECU 06L907309E Automatic
£85.95
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. 8K0971693B
Audi A4 B8 Rear Door Card Harness Wiring Cable Loom Left Right N/O/S 8K0971693B
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8S0820043
Audi TT FV A/C Air Condition Climate Control Module Unit ECU 8S0820043
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4G5035225
Audi A6 C7 Aerial Roof Booster Antenna Amplifier AMP 4G5035225
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 5Q0907530H
Audi A3 8V Gateway Interface Control Unit Module ECU Interface 5Q0907530H
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8X0035182K
Audi A1 8X Multimedia MMI Radio SD Player Stereo Sat Nav Head Unit 8X0035182K
Promo price
£237.95
£202.26
Free delivery: Mar 02
If paid before 14:00
Part no. 4M0959793N
Audi A5 F5 A4 B9 Front Door Control Module Unit ECU Driver's Side 4M0959793N
£47.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4F0959795E
Audi A6 C6 Rear Door Left N/S Module Unit Control ECU 4F0959795E
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 5Q0980653G
Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
Part no. 4M0959792N
Audi A5 F5 Door Module Control Unit Module ECU Front Passenger Side 4M0959792N
£37.95
Free delivery: Mar 02
If paid before 14:00
Part no. 03G906016MH-1
Audi A6 C6 2.0 TDI BRE 140HP Diesel Engine Control ECU Kit 03G906016MH Manual
£142.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4G0907553F
Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
Promo price
£94.95
£56.97
Free delivery: Mar 02
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 .