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
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Subcategory
Condition
In Stock
Price
Part no. 8K0927710A
Audi A4 B8 A5 8T Steering Column Connector Plug 8K0927710A
£13.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 079911021D
Audi Q7 4L Engine Starter Motor Actuator Starter 079911021D
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8W0907064CH
Audi A5 F5 BCM Body Comfort Onboard Control Module Unit ECU 8W0907064CA
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
Part no. 4E0919884BD
Audi Q7 4L A8 D3 Navigation Disc DVD Europe Version 2008 4E0919884BD
£23.95
Free delivery: Mar 02
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
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8P0906131A
Audi A3 8P Engine Unit Bracket ECU Module Holder Bracket Mount 8P0906131A
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 04L907445B
Audi A3 8V 1.6 TDI 110 HP Engine Control Module ECU Kit 04L907445B Manual
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00
Part no. 8K0951253-1
Audi VW Volkswagen Seat Relay 643 Unit Module 4 Pins Set X2 8K0951253
£18.95
Free delivery: Mar 02
If paid before 14:00
Part no. RHD-424035192E
Audi R8 Gen 1 Radio Sat Nav Navigation Multimedia Head Unit 424035192E
£403.95
Free delivery: Mar 02
If paid before 14:00
Part no. 09D927750JJ
Audi Q7 4L 4.2 TDI Automatic Transmission Module Controller Unit 09D927750JJ
£56.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4G0616829
Audi RS6 C7 4.0 TFSI CRDB Air Line Pipe Hose Tube Connector 4G0616829
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
Part no. 06L971627K
Audi TT FY 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06L971627K
£18.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 03L911024A
Audi A4 B8 A5 8T 2.0 TDI Diesel Engine Starter Motor Assembly Unit 03L911024A
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00
Part no. 4K5035225D
Audi A6 C8 Aerial Antenna Amplifier Control Unit Module 4K5035225D
£23.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8E0035456D
Audi A4 B8 Telephone Aerial Antenna Signal Amplifier Module 8E0035456D
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8R0907468H
Audi S4 A4 B8 Gateway Control Module ECU 8R0907468H
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 8K0971688AG
Audi A4 B8 Door Wiring Harness Loom Rear Right O/S Cabling 8K0971688AG
£18.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-8Y2919617-1
Audi S3 8Y Head Up Display Dashboard Car System Screen 8Y2919617
Promo price
£284.95
£242.21
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H0959792G
Audi A8L 4H Front Door Control Module Left N/S Unit ECU 4H0959792G
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8V0035465A-1
Audi A3 8V Bang & Olufsen Audio Sound Amplifier Stereo System Module 8V0035465A
Promo price
£123.95
£74.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8K5035570
Audi A4 B8 Aerial Antenna Disturbance Suppressor 8K5035570
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8Y0959760
Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8V0857273L
Audi A3 8V Head Up Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273L
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. RHD-5Q2419502P
Audi A3 8V Power Steering Column Control Unit Module 5Q2419502P
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4H0911075B
Audi A8L 4H Power Positive Distribution Junction Jumper Box Housing 4H0911075B
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 4K0971225A
Audi A6 C8 Positive Plus + Battery Cable Wiring 4K0971225
£56.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8R0971035AP
Audi Q5 8R Wiring Loom Front Door Right O/S 8R0971035AP
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
Part no. 8K0971035AR
Audi A4 B8 Front Driver's Door Wiring Harness Loom Electrical Cable 8K0971035AR
£13.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8R0971029AP
Audi Q5 8R Wiring Loom Front Door Left N/S Passenger Side 8R0971029AP
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8T8035570-1
Audi A4 B8 Radio Antenna Noise Signal Disturbance Suppressor 8T8035570
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8V0971100C
Sunroof Wiring Cable Audi A3 8V Roof Motor Electrical Harness Loom 8V0971100B
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 5Q0907530AJ
Audi RS3 8V Gateway Control Module GCM Unit ECU 5Q0907530AJ
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 5Q0937615C-1
Audi TT FV Fuse Relay Box Module Electrical Control Unit 5Q0937615C
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8T0959795Q
Audi A5 B8 8T Door Module Control Unit Left Right N/O/S 8T0959795Q
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 8E0857925G
Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925G
£13.95
Free delivery: Mar 02
If paid before 14:00
Part no. 5WA959436B
Audi A3 8Y Volkswagen Golf Mk8 Keyless Entry Module Control Unit ECU 5WA959436B
£23.95
Free delivery: Mar 02
If paid before 14:00
Part no. 8K0907568B
Audi S4 B8 Lane Change Departure Assist Blind Spot Control Unit 4L0907568B
£137.95
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. 02E911024M
Audi A3 8V 2.0 TFSI DJHA Starter Motor 12V 02E911024M
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 8S0907159E
Audi TT FV Impact Body Sound Accoustic Control Unit Module ECU 8S0907159E
£18.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-4G2907613A
Audi RS6 C7 4.0 TFSI CRDB Engine Fuse Box ECU Cover Casing Housing 4G2907613A
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4H0937517
Audi A8L 4H Fuse Relay Battery Junction Box Housing 4H0937517
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
Part no. 8K0971030AP
Audi A4 B8 Passenger Front Door Wiring Harness Loom Cabling 8K0971030AP
£23.95
Free delivery: Mar 02
If paid before 14:00
Part no. 8N0906018CB
Audi TT 8N 1.8T BAM 224HP Quattro Engine Control Unit ECU 8N0906018CB Manual
£142.95
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. RHD-8K2971228AH
Audi A4 B8 2.0 TFSI CDNC Starter Alternator Harness Wiring Cable 8K2971228AH
Promo price
£85.95
£73.06
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 03L906018KD-1
Audi A4 B8 All Road 2.0 TDI CGLC 177HP Quattro Engine ECU Kit 03L906018KD Manual
Promo price
£189.95
£113.97
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. 8V0907451
Audi A3 8V Sun Light Solar Sensor Control Detector 8V0907451
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8X0971029S
Audi A1 8X Door Loom Wiring Harness Cable Front Driver Side 8X0971029Q
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
Part no. 8K0907401F-2
Audi A4 B8 3.0 TDI 240HP CAPA Quattro Engine ECU Kit 8K0907401F Manual
£142.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 8J0907115
Audi TT 8J 2.0 TFSI BWA 200HP Engine Module Control Unit ECU 8J0907115 Manual
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 5Q0959655P
Audi TT FV Air Module ECU Control Unit Crash Sensor 5Q0959655P
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4H0919604H-1
Audi A8L 4H Navigation Dashboard Display Hud Screen 4H0919604H
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 022906032KT
Audi TT 8J 3.2 FSI BUB Quattro 250HP Engine Control Unit ECU 022906032KT Manual
Promo price
£427.95
£256.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 5Q0971228AC
Audi Q2 GA Volkswagen T Roc Battery Terminal Positive Cable 5Q0971228AC
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. RHD-8W2971111D
Audi A4 B9 A5 F5 Power Steering Rack Wiring Harness Loom Cable 8W2971111D
£32.95
Free delivery: Mar 02
If paid before 14:00
Part no. RHD-4G2919601K
Audi A6 C7 Dashboard Display Monitor Screen Bracket Mount Support 4G2919601K
£28.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 420919275-PHB1
Audi A5 8T Parking Distance PDC Rear Ultra Sonic Sensor Phantom Black - Z9Y
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 8D0951253-1
Audi A4 B6 B7 B8 Q7 4L A6 C7 A8 D4 Multi Use Relay Unit Module 4 Pins 8D0951253
£13.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4F1971030AK
Audi A6 S6 C6 Front Passenger Door Wiring Left N/S Harness Cable 4F1971030AK
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. RHD-4H2971111E
Audi A4 D8 3.0 TDI Power Steering Wiring Harness Loom Cable 4H2971111E
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
Part no. 5WA907338
Audi A3 S3 8Y Front Lamp Headlight Range Control Module Unit ECU 5WA907338
£28.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4G0907159B
Audi S7 4G8 Alarm Signal Body Sound Impact Control Module Unit 4G0907159B
Promo price
£28.95
£17.37
Free delivery: Mar 02
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
£237.95
£142.77
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 8E1910115A-1
Audi A4 B7 2.0 TFSI BWE 200HP Engine Control Unit ECU 8E1910115A Manual
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 5Q0907530AF
Volkswagen Seat Skoda Audi Gateway Control Unit Module ECU 5Q0907530AF
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8W1907064BC
Audi A4 B9 Body Control Module BCM Comfort Control Unit Power Supply 8W1907064BC
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8P0035503M
Audi A3 8P Bluetooth Antenna Module Control Unit 8P0035503M
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8P4971036J
Audi A3 8P Front Left N/S Door Harness Cable Loom 8P4971036J
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. RHD-8R2035666J-1
Audi A4 B8 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8R2035666J
£113.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6C0907359
Audi A4 B8 Air Suspension Module Regulation Control Unit 6C0907359
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4N0906093E
Audi Q3 F3 A8 4N 2.5 TFSI Petrol Control Fuel Pump Tank Pump Unit 4N0906093E
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
Part no. 4M8863351
Audi Q7 4M Twin Charging Dual Socket 12V Trim Centre Console Rear 4M8863351
£32.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 1K0971228N
Audi A3 VW Golf Caddy Battery Lead Positive Cable Plus Pole Wiring 1K0971228N
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4H0907217F
Audi A7 4G Front Camera Assistance Line Unit 4H0907217F
Promo price
£469.95
£281.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4H0919604G
Audi A8L 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G
Promo price
£161.95
£97.17
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8T8971845
Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 4G0035056E
Audi A5 8F A6 4G Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056E
£189.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 5Q0919275B-BLK
Audi Q2 GA Front Parking Sensor Assist Control Module Black 5Q0919275B
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8K0915181L
Audi A1 8X Negative Battery Terminal 8K0915181L
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8W0941824AK
Audi A4 B9 A5 F5 Q5 FY Fuse Box Battery Terminal 8W0941824AK
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-5N2971111R
Audi Q3 8U Mechanical Steering Column Wiring Harness Loom Cable 5N2971111R
Promo price
£66.95
£56.91
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8T0907560M-2
Audi S5 8T 4.2 FSI CAUA Quattro 354HP Engine ECU Kit Ignition + Key 8T0907560M
Promo price
£465.95
£279.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8K2907401A-1
Audi A5 8T 3.0 TDI CCWA Quattro 239HP Engine ECU Kit 8K2907401A 2 Keys Manual
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00
Part no. RHD-8X2035711B
Audi A3 8V Q3 8U Microphone Cable Wiring Loom Cable Harness 8X2035711B
£32.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8V0906259F-2
Audi S3 8V 2.0 TFSI CJXC 300HP Quattro Engine Unit ECU Kit 8V0906259F Manual
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H0035225E
Audi A8 D4 Aerial Antenna Amplifier Diversity 04S 4H0035225E
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H0907468AF
Audi A8 D4 Central Diagnostic Getaway PKO Control Unit Module ECU 4H0907468AF
Promo price
£61.95
£52.66
Free delivery: Mar 02
If paid before 14:00
Part no. 4G0035670F-1
Audi A6 A7 C7 Front Centre Radio CD DVD Player Multimedia Head Unit 4G0035670F
£189.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8K0971688S
Audi A4 B8 Door Harness Loom Cable Wiring Rear 8K0971688S
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 04L906021CL-1
Audi A5 8T 2.0 TDI CNHA 190HP Engine Control Unit ECU Kit Key 04L906021CL Manual
£170.95
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. 5Q0907530AH
Audi A3 S3 RS3 8V Gateway Control Module GW MQB Mid Unit ECU 5Q0907530AH
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H0035225H
Audi A8 D4 Aerial Antenna Amplifier Diversity 04S 4H0035225H
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 4H0959760F
Audi A8 D4 Front Seat Backrest Adjustment Module Left Right N/O/S 4H0959760F
£56.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4H0937555
Audi A8L 4H Fuse Box Relay Chamber Lower Cover Lid Housing 4H0937555
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4H4907357B
Audi A8 D4 Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357B
Promo price
£66.95
£56.91
Free delivery: Mar 02
If paid before 14:00
Part no. 8K1907401A
Audi A4 B8 A5 8T 2.7 TDI 190HP CGKA Engine Control ECU 8K1907401A Automatic
£85.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8S0907159
Audi TT FV Impact Body Sound Accoustic Control Module ECU 8S0907159
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 4H0951223
Audi A6 C7 Single Horn Alarm Siren High Tone Control Unit Module 4H0951223
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 4H0035061J
Audi A8L 4H Head Unit Radio CD Player Navigation GPS 4H0035061J
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00
Part no. 4H0971030HC
Audi A8 D4 Door Wiring Loom Harness Cable Front Passenger Side 4H0971030HC
£18.95
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 .