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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In Stock
Price
-5%
Part no. 6977398
BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9170732
BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9170732
Promo price
£284.95
£242.21
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7848838
BMW M4 F82 Smart Opener Sensor 7848838
Promo price
£28.95
£17.37
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8586540-5
BMW F30 F32 LCI 330d 430d N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key
Promo price
£332.95
£199.77
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8582279
BMW F30 320d ed Diesel N47N 184HP Engine Control Unit ECU DDE 8582279
Promo price
£47.95
£28.77
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. rhd-9231841
Door Cable Mini R55 R56 LCI Wiring Loom Front Right Driver's Side 9231841
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6940441
Control Unit BMW E65 E66 E67 Door Rear Driver Side LEAR Module 6940441
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7806976
BMW E60 LCI E90 330d 530d M57N2 235HP Engine Control ECU DDE 7806976 Automatic
Promo price
£218.95
£131.37
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8510832-4
BMW E90 E91 LCI 318d N47N 143HP Engine Control ECU DDE 8510832 Manual
Promo price
£56.95
£48.41
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8517862-12
BMW F20 F21 F30 F31 F32 N47N 184HP Engine Control ECU DDE Kit 8517862 Automatic
Promo price
£132.95
£113.01
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9143823-1
BMW E88 E93 LCI ECU Control Unit Module Airbag Safety 9143823
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7583225-14
BMW E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Automatic
Promo price
£94.95
£56.97
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9384231
BMW X5 F15 40eX N20 High Voltage Battery Cable Wiring Harness Loom Set 9384231
Promo price
£89.95
£53.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7618644
BMW Z4 Series E89 Roadster Petrol N20 Cable Alternator-Starter-Base B 7618644
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8582521
BMW F20 125d F30 325d N47S1 218HP Engine Control Unit ECU DDE 8582521 Automatic
Promo price
£284.95
£242.21
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9253637
BMW 3 5 Series F10 F11 F30 F31 Airbag Control Unit Module 9253637 65779253637
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 5A31B06-1
BMW X4M Competition F98 S58 510HP Engine ECU DME Kit BDC + Key 5A31B06 Automatic
Promo price
£1,899.95
£1,139.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9221861
BMW E90 E91 E93 LCI Front Left Right N/O/S Seat Control Module ECU 9221861
Promo price
£47.95
£40.76
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8512291-5
BMW E90 E91 LCI N47N 320d ed 163HP Engine ECU Kit DDE 8512291 Manual
Promo price
£66.95
£40.17
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9181326-2
BMW E81 E87 E90 E91 E92 6-Disc CD Changer With Magazine 9181326
Promo price
£32.95
£28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9239388
BMW F10 F10 LCI HiFi Stereo Audio Sound System Amplifier 9239388
Promo price
£61.95
£37.17
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 6792659
BMW X5 E70 X6 E71 Control Unit Dynamic Drive Front Axle Suspension 6792659
Promo price
£28.95
£17.37
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9200943
BMW 1 3 Series E81 E87 E90 E91 E92 Ultra Sonic Alarm System Module 9200943
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8636054
BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8636054
Promo price
£142.95
£121.51
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 1439674
BMW X5 E53 Base B Positive Battery Terminal Cable Cover Compartment
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9389363
Head Up Display BMW F45 F46 Hud Project Dash Screen Control Unit 9389363
Promo price
£189.95
£113.97
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6914867
BMW X5 Series E53 Radio BMW Business Cassette 6914867
Promo price
£28.95
£24.61
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9175649
BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649
Promo price
£70.95
£42.57
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9119578
Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8614090
BMW X5 F15 Seal High Voltage Battery Unit Gasket 8614090
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8376443
BMW X3 X5 Z4 E46 E53 E83 E85 Switch Cluster Steering Column 8376443
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. rhd-8507876-1
BMW 3 Series E90 E91 E92 E93 LCI 320d N47N Engine Wiring Loom Harness Gearbox
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 6996980
Heater Wiring BMW G11 G30 Cable Harness Loom Matrix Air Conditioner 6996980
Promo price
£66.95
£40.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7395039
BMW G11 G12 SRC Unit Bracket SRC Module Holder Bracket Mount 7395039
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6925966
BMW X3 E83 LCi Rear Right Door Window Lifter With Motor O/S 6925966
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8636064
Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064
Promo price
£66.95
£40.17
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 7811151-4
BMW E60 LCI E90 325d 525d M57N2 Engine Control ECU DDE Kit 7811151 Automatic
Promo price
£142.95
£85.77
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 7504737
BMW 5 X5 Series E39 E53 Petrol M62 Engine Starter Motor Adapter Cable 7504737
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6946528
BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6946528
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9866980
BMW F20 Body Control Unit Module REM Fuse Box 9866980
Promo price
£23.95
£14.37
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9279822
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9279822
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7789132
BMW 7 Series E65 E66 Battery Mounting Bracket Clamp Bolt Holder
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. rhd-7808269
BMW 3 Series E90 E91 LCI Diesel N57 Wiring Loom Harness Engine Gearbox Module
Promo price
£28.95
£17.37
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9302358
BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9253082
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9133144-1
BMW 5 Series E60 Body Gateway Module KGM LOW LEAR 9133144
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8692971
BMW F20 F30 F32 125i 325i 425i Petrol B48 224HP Engine Control ECU DME 8692971
Promo price
£379.95
£227.97
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6928934
Antenna Amplifier BMW E82 E90 E92 Diversity Signal Boost 6928934
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8365960
BMW E38 E39 E53 Battery Crash Disconnection Control Relay 8365960
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9141446
BMW 3 Series E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9229972
Module BMW Z4 E89 Convertible Cabrio ECU Control Unit Controller 9229972
Promo price
£94.95
£56.97
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 6951537
BMW 1 Series E87 ECU Body Control Module Unit PL2 JBBFE 31656951537 6951537
Promo price
£56.95
£34.17
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8573258-12
BMW F20 F30 F31 118d 318d N47N 143HP Engine Control ECU DDE 8573258 Automatic
Promo price
£47.95
£28.77
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9216168
BMW F01 F02 F10 Bluetooth Control Unit Module Telemetics Control Unit 9216168
Promo price
£32.95
£28.01
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 7631109
BMW F20 F21 F30 F32 F87 Battery Cable Negative IBS 7631109
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8714783
Door Wiring BMW G30 F90 G31 Harness Rear Left Right N/O/S 8714783
Promo price
£85.95
£73.06
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6952914
Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9231320
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 9231320
Promo price
£75.95
£45.57
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 6800371
BMW X5 F15 40eX N20 HV Battery Cable Wiring Harness Loom SLE - EME 6800371
Promo price
£42.95
£25.77
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9347913
BMW F01 F02 F06 F07 GT F12 F13 CAS4 Control Unit Key Reading Module 9347913
Promo price
£28.95
£17.37
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8512047-7
BMW E90 E91 LCI N47N 320d 163HP ECU Module KIT DDE 8512047 Automatic
Promo price
£151.95
£91.17
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6918731
Amplifier BMW E65 E66 E67 Rear Window Antenna Booster Module Unit 6918731
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 1709317
BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 6918816
BMW 1 3 5 6 X1 X3 X5 X6 Z4 Series Relay Change Over Contact Silent Blue 6918816
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9316569
BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9207716
BMW X5 E70 X6 E71 Computer Control Unit DVD Player RSE MID PLUS PL4 9207716
Promo price
£265.95
£226.06
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 7533651-13
BMW E60 E61 520i Petrol M54 170HP Engine Control Unit ECU DME 7533651 Manual
Promo price
£94.95
£80.71
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 9290992
BMW F20 F21 F22 F30 F31 Radio Player CD Bluetooth Head Unit Control 9290992
Promo price
£94.95
£56.97
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8664661
BMW F23 F30 F32 220i 320i 420i N20 184HP Engine Module ECU DME 8664661 Automatic
Promo price
£284.95
£170.97
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8642338-2
BMW i3 I01 IB1 60Ah Electric ECU Engine Control Unit Kit eDME 8642338 BDC Key
Promo price
£427.95
£256.77
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 6939050
BMW 7 er E65 E66 E67 Video Module 6939050
Promo price
£47.95
£28.77
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9122432
BMW E60 E61 LCI X5 E70 X6 E71 X3 F25 Rain Light Solar Sensor 9122432
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8582280-4
BMW F20 116d N47N 116HP Engine Control ECU DDE 8582280 Automatic Transmission
Promo price
£47.95
£28.77
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9867503
Navigation Head Unit BMW F20 F21 F30 F31 LCI F32 Radio CD Player High 2 9867503
Promo price
£370.95
£315.31
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 1388911
BMW E36 E38 E21 E85 R52 R57 Change-Over Contact Relay Violet 1388911
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9128573
BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573
Promo price
£18.95
£16.11
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9206502
BMW F01 F02 F03 Driver Assistance System Module Control Unit Switch 9206502
Promo price
£75.95
£64.56
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9384988
BMW F20 F45 F46 Kafas Camera Control Module Unit ECU 9384988
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9233961
BMW E84 Amplifier Stereo System Module Control Unit Lear 9233961
Promo price
£85.95
£73.06
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8512407-2
BMW X5 E70 LCI X6 E71 30dX Diesel N57 245HP Engine ECU Kit DDE 8506570 Automatic
Promo price
£379.95
£322.96
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9145350
BMW X3 E83 LCI EWS IV 4.4 Control Unit Module ECU 9145350
Promo price
£51.95
£44.16
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 6778966
BMW X5 E70 Air Suspension Supply Control Unit Module ECU 6778966
Promo price
£23.95
£20.36
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9326010
Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
Promo price
£51.95
£44.16
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 2284585
BMW F13 M6 Parking Brake Lock Module Control Unit ECU 2284585
Promo price
£70.95
£42.57
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9260874-3
Alarm Sensor BMW X1 E84 E91 Ultra Sonic Module System Black 9260874
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8509757-2
BMW F07 530d F01 730d N57 245HP Engine ECU Kit DDE 8509757 CAS4 Key Automatic
Promo price
£227.95
£136.77
Free delivery - Tue, Oct 14
If paid before 14:00
-40%
Part no. 37820-P73-013
Honda Integra Type R JDM DC2 Engine Control Unit Module ECU 37820-P73-013
Promo price
£332.95
£199.77
Free delivery - Tue, Oct 14
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 - Tue, Oct 14
If paid before 14:00
-40%
Part no. 8519009
BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU DDE 8519009 Manual
Promo price
£75.95
£45.57
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9119058
BMW E81 E87 E90 E91 Airbag Control Unit ECU NO CRASH DATA 9119058
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 9267421-1
BMW E87 LCI Body Control Module Junction Box ECU PL2RR JBBFE IIIR 9267421
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9131779
BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779
Promo price
£21.95
£18.66
Free delivery - Tue, Oct 14
If paid before 14:00
-5%
Part no. 8583657
Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657
Promo price
£13.95
£13.25
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 8574351-9
BMW X1 E84 18SD sDrive Diesel N47N Engine Control ECU DDE Kit 8574351 Automatic
Promo price
£142.95
£121.51
Free delivery - Tue, Oct 14
If paid before 14:00
Part no. 9381096
BMW F20 Front Electronic Body Control Module Unit FEM ECU 9381096
£75.95
Free delivery - Tue, Oct 14
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 .