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. 7273666
BMW F30 F31 F32 Rear Tailgate Smart Opener Upper Antenna 7273666
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7306797
BMW F30 F31 F32 Tailgate Smart Opener Control Unit Module 7306797
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9323793
BMW X3 F25 Sat Navi Stereo Radio Audio Head Unit CD Player 9323793
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4154935
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65124154935 4154935
Promo price
£94.95
£80.71
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8366625
BMW 259 259R 259 R22 Connection Plug Relay Pink Tyco 8366625
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7524118
BMW Z4 E85 M54 Roadster Wiring Loom Harness Engine Ignition Module
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6983538
BMW E60 Light Control Unit Module LM E6X MAN LWR Lear 6983538
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6932644
BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7537612-1
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 6939711
BMW 5 6 Series E60 E61 E63 Driver's Side Door Airbag Control Unit Module
£13.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7809944-4
BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7809944 CAS3 + Key
Promo price
£284.95
£170.97
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. 9118108
BMW 1 Series E81 E82 Wiring Set Door Co-driver 9118109
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8582802
Control Unit BMW F10 F30 F31 330d 530d Diesel N57N Engine ECU DDE 8582802
Promo price
£161.95
£97.17
Free delivery: Mar 02
If paid before 14:00
Part no. 9154413
BMW E93 Convertible GPS Aerial Antenna Unit Module 9154413
£13.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 7191718
BMW Z4 Series E89 Roadster Cabrio Horn High Tone 7191718
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7304629
Tailgate Module BMW F01 F10 Rear Boot Trunk Lid Control Unit ECU 7304629
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6823590
BMW F10 Footwell Light Control Unit Module ECU FRM III 6823590
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7273667
BMW F30 F31 F32 Rear Tailgate Smart Opener Lower Antenna 7273667
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9217004-1
BMW X5 X6 E70 E71 Positive Battery Cable Wiring Plus Pole 9217004
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8506374-3
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Manual
Promo price
£142.95
£121.51
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8506570-1
BMW X5 E70 X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8506570 + CAS3 + Key
Promo price
£427.95
£256.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7823310
BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6948576
BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8792148
Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6797090
BMW F01 F02 F07 Air Suspension Control Unit Module 6797090
Promo price
£51.95
£44.16
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6850846
BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6906347-1
BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6814183
Audio Control Panel BMW F20 F30 F31 F32 Operating Unit FBM 6814183
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6974373-1
BMW E81 E84 E87 E88 E90 Ultra Sonic Module Alarm System 9149671
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. 6938226-1
BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right 6938225
£13.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9170719
Navigation Head Unit BMW E87 E90 Professional CCC CD Player Controller 9170719
Promo price
£379.95
£322.96
Free delivery: Mar 02
If paid before 14:00
Part no. 9383709
BMW X5 F15 X6 F16 M Sport Fuse Box Body Control Module BCM ECU Unit 9383709
£118.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9290013
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6935600
BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9131779
BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6885215
BMW F90 M5 F91 M8 G05 G11 G30 Steering Column Control Unit Module 6885215
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9305736
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9305736
Promo price
£51.95
£31.17
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6858547
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8518269-7
BMW E90 E91 LCI N47N 320d 184HP Engine ECU KIT DDE 8518269 CAS3 Key Automatic
Promo price
£132.95
£113.01
Free delivery: Mar 02
If paid before 14:00
Part no. 9259425-1
Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
£28.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9335298
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9215715
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7552176-8
BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME 7552176 Manual Gearbox
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6859720
BMW 5 6 F07 F10 F11 F12 VDC Rear Suspension Level Control Unit Module 6859720
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8518269-8
BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8580308-1
BMW X1 E84 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8580308 CAS3 Key
Promo price
£161.95
£137.66
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 9166782
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9832609
Audio Amplifier BMW F40 G05 G20 G30 Top Hifi Harman Kardon Control Unit 9832609
Promo price
£427.95
£256.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 7615308
BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8576341-1
BMW F20 F30 F31 116d 316d 116HP N47N Engine ECU Control Unit DDE 8576341 Manual
Promo price
£56.95
£48.41
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6855990
BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990
Promo price
£123.95
£105.36
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 7110854
BMW Z4 Series E85 Roadster Head Lamp Cleaning Device Container 7110854
Promo price
£32.95
£28.01
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7607973
BMW F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7607973
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8617551-3
BMW F30 F31 320i Petrol N20 184HP Engine ECU Kit DME 8617551 FEM Key Manual
Promo price
£351.95
£211.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7545042
BMW 1 3 Series E87 E90 E91 N46 118i 318i 120i 320i ECU DME Control Unit 7545042
Promo price
£180.95
£108.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7791352
BMW X5 Series E53 3.0d M57N Cable Starter Base B 7791352 12427791352
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6987999-2
BMW E87 Footwell Light Module Control Unit ECU PL2 FRMFA Lear 6987999
Promo price
£75.95
£64.56
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9223682
BMW X5 X6 Series E70 E71 Dashboard Onboard Monitor Display Screen 8,8" 9223682
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9239155
BMW F01 F10 CIC Professional Sat Nav Infotainment Radio Head Unit 9239155
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-8574257
Gearbox Wiring BMW F07 F10 LCI 520d N47N Automatic Engine Loom Harness 8574257
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9194064
Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9187317
BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 9187317
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7809955-4
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
Promo price
£522.95
£313.77
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. 8387568
BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8387568
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7551559
BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7464634
BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8586536-1
BMW F30 F32 LCI 335dX 435dX N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9210152-1
Speaker Holder Bracket BMW F30 F31 F32 1 Central Bass Cover Right O/S 9210152
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6951674-AW
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Alpine White 3 - 300 6951674
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8636070
BMW 3 F30 LCI 330e B48X Engine Gearbox Module Wiring Cable Loom Harness 8636070
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8375653
BMW 3 5 Series E39 E46 Positive Battery Terminal Cover Cap Red 8375653
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9286953
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9286953
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9276064
BMW X3 F25 Antenna Aerial Diversity Amplifier Unit 868 MHZ 9276064
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9366413
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9366413
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-3451584
BMW X3 E83 2.0d 3.0d Instrument Cluster Speedo Clocks Manual 3451584
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9187555
BMW E90 LCI Footwell Light Module Control Unit ECU FRMII PL2 9187555
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8510221-3
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
£142.95
£121.51
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9281068
Antenna Receiver BMW F33 F83 M4 Convertible Aerial DAB Unit 9281068
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8517016
BMW X5 E70 LCI 40dX N57S 306HP Engine Control Unit ECU KIT DDE 7810980 Automatic
Promo price
£617.95
£370.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-7552381
BMW Z4 Series E85 2.0i N46 Wiring Harness Engine Gearbox Module Set 7552381
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6953424-2
BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6989713-1
BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9150883
BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9306220
Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 7605061
Alternator Generator BMW F10 F30 N20 Diesel Electrical Unit Denso 210A 7605061
Promo price
£56.95
£48.41
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9381320
BMW F45 Mini F55 F56 Head Unit Basic Media DAB Headunit 9381320
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7561684-1
BMW Z4 E85 2.5i N52 177HP Engine Unit ECU Kit DME 7561684 EWS + Key Manual
Promo price
£161.95
£97.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 1388911-2
BMW E36 E38 E85 Mini R52 R57 4x Change-Over Contact Relay Violet Set 1388911
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9150889
BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7583740
BMW Z4 E89 Earth Battery Cable Wiring Loom Harness Line 7583740
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 7239175-1
BMW F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-7802181
BMW E81 E87 E90 E91 120d 320d N47 Wiring Harness Engine Gearbox Module 7802181
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9252812
BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9281518
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Headunit Control 9281518
Promo price
£118.95
£71.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8506281-2
BMW E87 LCI E90 116d 316d N47 Engine ECU KIT DDE 8506281 + CAS3 + Key Manual
Promo price
£75.95
£64.56
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6926445
BMW 5 Series E60 E61 LCI Heated Front Seat Control Module 6926445 9182128
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9264571
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359264571 9264571
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6926961-1
BMW E60 E61 X5 E70 X6 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6926961
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7508637
BMW 7 Series E65 E66 N62 Starter Motor 1,8KW Petrol 7508637 7508635
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7311541
BMW 2 Series F22 F87 M2 Rear Third Stoplamp Stop Lamp Brake Light White 7311541
Promo price
£13.95
£13.25
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 .