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.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. A0038202826
Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8510221
BMW E90 E91 LCI E92 330d Diesel N57 Engine Control Unit DDE 8510221 Automatic
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8510221-2
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€227.95
€136.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1715409333
Mercedes SLK R171 Center Console Arm Rest Wiring Loom Harness A1715409333
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A1718701410
Mercedes SLK R171 Alarm Anti Theft System Control Module Unit Roof A1718701410
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6886185
ICM Module BMW F20 F21 F30 F31 Crash Control Unit Airbag ECU 6886185 0265020864
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A6512012009
Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9138440
BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
€450.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7855481
BMW F90 M5 F92 M8 Oil Level Sensor Wiring Harness Loom Cable 7855481
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A9068204126
Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068204126
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9132712
BMW X3 X5 E83 E53 Telematics Control Unit Module GSM 9132712
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A1715409245
Mercedes SLK R171 Gateway Control Unit Gateway Module ECU A1715409245
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9209684
BMW F01 F02 F04 F07 ECU ICM Control Unit Air Module Bag 9209684
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 3453791
BMW X3 E83 LCI Crash System Control Unit Module ECU 3453791
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9266350
BMW F01 F02 HiFi System Amplifier Harman Becker Audio Booster 9266350
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9200944
BMW 3 X1 E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9200944
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9811224
Mini Cooper One R55 R56 R57 Airbag ECU Control Unit Module 9811224
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9189906
BMW E88 E93 LCI Air Module Control Unit ECU 9189906
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9189905
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9189905
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9252812
BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812
Promo price
€51.95
€31.17
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9227766
BMW F11 Touring Tailgate Spoiler Probe AM/FM Sensor 9227766
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6929557
Air Module BMW E65 E66 Driver's Seat Sensor Control Unit 6929557
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9248096
Air Module BMW F01 F02 LCI F06 F10 F11 F13 ECU Control Unit ECU 9248096
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 6939287
BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6939287
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9199850
BMW F11 Touring F23 Cabrio DAB Radio Antenna Amplifier Booster Unit 9199850
Promo price
€51.95
€44.16
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7394651
BMW 5 F11 Touring Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7333928
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9377149
BMW 1 3 Series F20 F21 F30 F31 Telematic Control Unit Module 9377149
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9383069
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9383069
Promo price
€142.95
€121.51
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9261606
BMW 1 2 F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Mineralweiss White A96
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6857124
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6857124
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6887753
BMW F20 F21 F22 F30 F31 F32 ICM Control Unit Module ECU 6868599
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6875997
ICM Control Unit BMW F01 F02 LCI F06 F10 F11 F13 ECU Module 6875997
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6864927
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6864208
BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9224177
BMW F10 F11 F12 F13 F15 F16 Airbag Sensor Module B-pillar Crash Sensor 9224177
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9340522
BMW 5 F10 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9340522
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9216459
BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9216459
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7856819
Battery Cable BMW F90 M5 F91 M8 Wire Lead Positive Alternator Starter B+ 7856819
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7856817
BMW F90 M5 F91 M8 Battery Cable Wire Lead Positive Alternator Starter B+ 7856817
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7856771
Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 1-4 Loom Valve Ignition 7856771
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A1719010100
Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1729009302
Mercedes W212 W221 Media Interface Control Unit Module A1729009302
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1715400107
Mercedes SLK R171 Window Lifter Lift Switch Cable Wiring Harness A1715400107
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6851242
ICM Module BMW F01 F02 Integrated Chassis Management QL ES Control Unit 6851242
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9244144
BMW E82 E88 E92 E93 LCI Accelerating Sensor 9244144
Promo price
€51.95
€44.16
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 7599881-9
BMW E87 LCI E90 118i 318i Petrol N43 143HP ECU Control Unit DME 7599881
€66.95
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8512498-5
BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
Promo price
€232.95
€139.77
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. A0004461160
Mercedes Sprinter W906 FleetBoard Onboard Time Recorder Control Unit A0004461160
Promo price
€132.95
€79.77
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8577243
BMW X3 F25 Battery Cable Wire Lead Positive Alternator Starter X4 F26 8577243
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9304728
PDC Wiring BMW X3 F25 Front Bumper Loom Cable Harness Parking Sensors 9304728
Promo price
€89.95
€76.46
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9360344
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9360344
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 7852129
Alternator BMW F90 M5 F91 M8 S63M Petrol Engine Generator 250A Valeo 7852129
€189.95
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A9069014700
Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
Promo price
€132.95
€113.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9311849
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 9311849
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6968652
BMW 3 Series E93 E93N LCI Aerial Antenna AM / FM Right O/S 6968652
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A9065400041
Mercedes Sprinter W906 Battery Cable Negative Lead Wiring Harness A9065400041
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9351155
Control Panel BMW X3 F25 X4 F26 Radio Player High Audio Unit Module 9208591
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9316655
Seat Wiring BMW X3 F25 X4 F26 Driver's Side Loom Cable 9316654
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9254025
BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 382327
Ultrasonic Module Mini Countryman Paceman R60 R61 Alarm System Sensor 0382327
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 7550967
BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
€61.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1668210151
Impact Sensor Mercedes W166 W176 W246 Crash Sensor A1668210151
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8510284
Engine Wiring Loom BMW F30 F31 F32 330d 430d N57N Gearbox Module Harness 8510284
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9298959
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9264916
BMW E82 E88 E92 E93 LCI Control Unit Airbag ECU NO CRASH DATA 9264916
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9119359
BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6985363
BMW E60 E61 E63 E64 Body Gateway Module 61356985363 6985363
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 6807322
Positive Cable BMW F90 M5 G30 Battery Wire Lead Underfloor Wiring 6807323
Promo price
€89.95
€53.97
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1695450140
Mercedes A B Class W169 W245 Holder Bracket Engine Control Unit A1695450140
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. A6519007401-1
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
Promo price
€332.95
€199.77
Free delivery - Wed, Oct 08
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
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9812297
Mini R55 R56 R57 Air Module ECU Control Unit Module 9812297
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9315130
Door Wiring Harness BMW F25 Rear Left Right Door N/O/S Wiring Loom 9315130
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6926433
BMW 1 3 Series E87 E90 E91 Mini R56 R57 Seat Control Unit Module Heating 6926433
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1698702210
Mercedes-Benz A B W169 W245 Tow Protection Switch Button Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2129002813
Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129002813
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A9065410140
Mercedes-Benz Sprinter W906 Battery Tray Holder Mounting Bracket A9065410140
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A9065460643
Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9325723
BMW G30 G31 Suppression Filter Aerial Antenna Amplifier Module 9325723
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A0055461240
Mercedes W169 W245 Distributor Box Front Control Unit Module A0055461240
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9341546
BMW F40 G20 G30 Accelerating Sensor 9341546
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9878658
BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9878658
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9384214
BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9384214
€66.95
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A6519007500-1
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8506373-1
BMW X3 E83 LCI 1.8d N47 Engine Control Unit ECU Kit Module DDE 8506373 EWS Key
Promo price
€284.95
€170.97
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 2371741
Mini F55 F56 Battery Cable Positive Battery Alternator Starter Wiring 2371741
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8638552
Supply Module BMW F90 M5 F91 M8 G05 G11 G30 Integrated Control Unit 8638552
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7605478
BMW 1 3 Z4 Series F20 F30 E89 Petrol Alternator 170A 7605478
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8573257
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
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
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2049004106
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049004106
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1645451840
Mercedes W164 ECU Control Unit Bracket Holder A1645451840
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8510591
BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU DDE 8510591 Manual
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7510921
Mini R52 Cabrio Petrol W10 Engine Wiring Loom Harness Module 7510921
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9344087
Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558
Promo price
€284.95
€242.21
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8518411
Mini Cooper D F55 F56 B37 Engine Injector Wiring Harness Cable Loom 8518411
Promo price
€161.95
€137.66
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9483099
Mini Cooper One F55 F56 F57 Parking Assistant Control Unit Module 9483099
Promo price
€61.95
€37.17
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9380945
Mini Cooper F55 F56 F60 HSD line HU - CID 9380945
€23.95
Free delivery - Wed, Oct 08
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 .