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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In Stock
Price
-5%
Part no. 9257426
Fuse Box Grouping BMW F10 F11 Fuse Placement Map Card Diagram 9257426
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7835131
BMW E60 E61 LCI M5 E63 M6 Fuel Injection System Adapter Lead 7835131
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9214977
BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6929556
BMW E65 E66 Driver's Seat Air Module Sensor Control Unit Module 6929556
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9146651
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-8513423
BMW 3 SERIES E90 E91 LCI 316d 318d N47N Engine Wiring Loom Harness DDE 8513423
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6958526
BMW 5 X5 X6 Series E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Right O/S
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6935667
BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
Promo price
£61.95
£37.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9230944
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9230944
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6956672
BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
£142.95
£121.51
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6941503
BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 6941503
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9875929
BMW F20 F21 F22 F23 LCI DAB Navigation Head Control Unit Module Business 9875929
Promo price
£142.95
£121.51
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9330952
BMW F13 F12 Air Control Module Control Unit ACSM4 9330952
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8387540
BMW X3 E83 Positive B Battery Terminal Point Case 8387540
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9344677
BMW 2 3 Series F22 F80 M3 F82 M4 Wiring Loom Harness Rear Trunk Lid 9344677
Promo price
£56.95
£48.41
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7560955-1
BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6913896
BMW Z4 E85 E86 Aerial Antenna Amplifier Module Rod 6913896
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6970086
BMW 5 6 Series E60 E61 E63 LCI Cable Set Start / Stop Switch Wiring Loom 6970087
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8512047
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE CAS 3 Key 8512047 Manual
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9299265
BMW 1 2 3 Series F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9299265
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
Promo price
£94.95
£56.97
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. 8506199
BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
Promo price
£42.95
£36.51
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6985748
BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6985748
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9350003-1
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 6947499
IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6947499
£47.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-8507196
BMW 1 Series E81 E87 LCI 116d Diesel N47 Engine Wiring Loom Harness 8507196
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9227179-1
BMW 1 Series E87 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7636292-1
BMW F20 F30 116i 316i N13 136HP Engine Control ECU Kit DME 7636292 Manual
Promo price
£474.95
£284.97
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 7807828-2
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7807828 CAS3 + Key
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8612576
BMW X1 F30 F31 LCI Starter Motor Engine 8612576
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 7823973-1
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key
Promo price
£142.95
£121.51
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7519051
BMW 7 Series E65 E66 E67 Electric valve 735i 745i 735Li 745Li 745LiS
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9196591
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9247062
BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9247062
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9170702
BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
Promo price
£474.95
£403.71
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9148264
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7804110
BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8622032
BMW F20 F21 F30 F31 LCI Control Unit Box Cover Mudguard Flap Cap 8622032
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6958446
BMW E65 E66 E67 Control Unit Door Front Passenger Side Module ECU 6958446
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-7812509-1
Engine Wiring BMW E90 E91 LCI N57 Diesel Harness Loom DDE 7812509 7808251
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9253477
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE IIIR 9253477
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6970337
BMW E92 Seat Backrest Adjustment Adapter Lead Cable 6970337
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9266383
Display Screen BMW F12 F13 Central Information Monitor 10" Multimedia 9266383
Promo price
£123.95
£74.37
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 9174269
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8618444
BMW F30 LCI 330e B48X Cell Module Connector 8618444 61278618444
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6936103
BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6936103
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 6870517
BMW F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 6870517
£75.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9181453
BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181453
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7823420-1
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9313638
BMW F30 F31 F80 M3 Front Passenger Wiring Loom Harness Cables 9313638
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6916054
BMW E46 Control Unit Module Mirror Memory 6916054 61356916054
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8654632
BMW F40 F44 F45 Mini Cooper F55 F56 Engine Starter Motor Positive Battery Cable
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8582279-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 Keys FEM
Promo price
£189.95
£161.46
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. 6805061
BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9220695
BMW X5 X6 E70 E71 Control Unit Module Top Rear Side View Camera 9220695
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6820234
Air Conditioning Module BMW F20 F21 F30 F31 A/C Control Unit 6820234
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6925936
BMW 5 Series E60 E61 Wiring Loom Harness Co-Drivers Passenger Side 6925936
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7172536
BMW F01 F10 F11 F20 F21 E90 LCI Control Unit Xenon Light 7172536
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6887358
BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8729433
Amplifier BMW F82 F87 F80 F83 Active Sound Design Control Unit 8729433
Promo price
£51.95
£31.17
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6973117
BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6973117
Promo price
£85.95
£73.06
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-8570580
Gearbox Wiring BMW E70 LCI E71 N57 N57S Engine Loom Harness Cables 8570580
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 7636937
Ping Sensor BMW F20 F31 LCI Mini F55 F56 Engine Block Knock Sensor 7636937
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9168335
BMW X1 E84 Antenna Amplifier Diversity 868 MHZ 9168335
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8645514
BMW X3 F25 X5 F15 X6 F16 Integrated Power Distribution Supply Module Box 8645514
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9226333
BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9226333
Promo price
£66.95
£56.91
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9162930-WB1
BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896 SET X2
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. 6960381
BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module 6960381
£18.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9350003
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9186170
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9259467
Fuse Box BMW X3 F25 Power Distribution Control Unit Module Front 9259467
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 6842253
BMW F48 F45 Mini F55 Front Air Module Control Unit ECU 6842253
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 7805349-2
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE EWS4 Key 7805349 Manual
Promo price
£275.95
£165.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9181455
BMW X1 Series E84 Antenna Aerial Noise Suppression Filter 9181455
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9174269-1
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 4030026
BMW Z4 E85 Xenon Headlight Resistor Ballast Relay Module Unit 4030026
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 3427751
BMW X3 Series E83 Wiring Passenger Side Loom Front Door Cables 3427751
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9203081-1
BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9329339
BMW F32 Telematics Telephone Control Unit Module Bluetooth TCB ECE 9329339
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 7805349
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE 7805349 Manual Transmission
Promo price
£85.95
£73.06
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 8803369
BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
Promo price
£132.95
£79.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8704090
BMW F20 F21 F30 Mini F55 F56 HSD Cable HU CID Wiring Cable 8704090
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6913824
BMW 7 Series E65 E66 Front Bumper PDC Loom Cables Wiring Set 6913824
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6955927
BMW 3 X1 Series E84 E91 E91N LCI Control Unit Sliding Lifting Roof 6955927
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9273666
BMW F33 F83 M4 Convertible Rear Antenna Aerial Amplifier AM/FM 9273666
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-6928971
BMW 6 Series E63 E64 Driver Side Door Cable Harness Wiring 6928971
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 9259800
BMW F10 F12 F13 F20 F30 F06 Mini F55 F56 F57 DVD CD Changer Control Unit 9259800
Promo price
£56.95
£48.41
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6856855
Servotronic Module BMW F10 M5 F13 F12 M6 Steering Control Unit Servo SVT 6856855
Promo price
£32.95
£28.01
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9286863
BMW X5 Z4 Series E70 E89 Active Sound Harman Becker Amplifier Design 9286863
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 7191362
BMW 3 E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 8512411-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
Promo price
£693.95
£589.86
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 9895416
BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME Manual Control Unit 9895416
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 8373901
BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. 6956744-2
BMW E81 E82 E87 E88 E90 E91 Ultrasonic Sensor SET X4 PDC Sydney Blue 6956744
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 6970889
BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. 9186655
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186655
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-9243632
BMW X3 F25 Fan Heater Blower Unit Motor Wiring Cable Harness Loom 9243632
Promo price
£28.95
£17.37
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 .