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
-15%
Part no. 7601993
Mini Cooper One R55 R56 R57 R60 Neutral Start Stop Gearbox Sensor Module 7601993
Promo price
€47.95
€40.76
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9389657
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9389657
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
Promo price
€37.95
€32.26
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 7537365
Cable Wire BMW E60 E61 E81 E87 E90 Tubing For Clamp 7537365
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2079010600
Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A1648203085
Mercedes ML W164 Window Windscreen Rain Light Sensor A1648203085
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9134666
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9134666
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9284974
BMW F10 F11 On-board Central Information Display Screen Monitor 10,25" 9284974
Promo price
€113.95
€96.86
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 3453587
BMW X3 E83 LCI N47 Diesel Cable Alternator Starter Base B 3453587
Promo price
€37.95
€32.26
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 8511958
Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958
Promo price
€37.95
€32.26
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9150889
BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
Promo price
€47.95
€40.76
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. 8571905-2
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch 0986024980
€37.95
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 7316147
BMW F30 F31 F34 Headlight Module Xenon Headlamp Control Unit Lear TMS 7316147
Promo price
€70.95
€60.31
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9317174
BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9317174
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2129004203
Mercedes W212 Boot Lid Control Unit Trunk Lid Module A2129004203
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2129006318
Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2129006318
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9335347
BMW F20 F21 F30 F31 Radio Player CD DAB Head Unit Audio Player 9335347
Promo price
€56.95
€48.41
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 7794908
Preheater System Lead BMW E87 E90 E91 Diesel 7794908
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9231175
Diversity Antenna Amplifier BMW F30 F32 Rear Window DAB Module Unit 9231175
Promo price
€28.95
€24.61
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. A2129005212
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129005212
Promo price
€218.95
€186.11
Free delivery - Thu, Oct 16
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 - Thu, Oct 16
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 - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9234421
Fuse Box BMW F01 F02 F07 F10 F11 Power Distribution Front 9234421
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 4G0035223C
Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
Promo price
€75.95
€64.56
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2079011700
Airbag Module Mercedes W204 W207 Air Bag SRS Control Unit ECU A2079011700
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
Promo price
€56.95
€48.41
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A0009820212
Mercedes W176 W212 W246 Voltage Converter Inverter Power Distributor A0009820212
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9345374
BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
Promo price
€70.95
€60.31
Free delivery - Thu, Oct 16
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 - Thu, Oct 16
If paid before 14:00
Part no. A0025422619-1
Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
€23.95
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. 9337656
Mini Cooper One F55 F56 F57 Sensor For Pedestrian Protection PTS 9337656
€23.95
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 6901469
BMW E60 E87 E90 F10 F30 Relay Electrical Unit Black 4 Pin Tyco 6901469
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. 6935599
BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Red Japanrot Japan Red
€23.95
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2048706826
Mercedes W204 ECU Control Unit Sensor Module Airbag A2048706826
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9134483
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9337880
BMW F20 F22 F30 Rear Electric Power Distribution Fuse Box 9337880
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9270035
Antenna Aerial Amplifier Mini F55 F56 F60 Rear AM/FM DAB 9270035
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 3450435
Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435
Promo price
€37.95
€32.26
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9210147
BMW F20 F30 Central Bass Speaker Stereo Subwoofer Left N/S 9210147
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9807169
Mini Cooper One R56 R55 R58 R60 R61 Air Module Control Unit ECU 9807169
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. A9065403527
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
€32.95
Free delivery - Thu, Oct 16
If paid before 14:00
-40%
Part no. 4F0035056B
Audi A6 C6 Head Unit Radio CD Player Control Unit Module 4F0035056B
Promo price
€222.95
€133.77
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 6850375
BMW 1 3 Series E81 E87 LCI E88 E90 M3 E92 Speed Cluster Sensor 6780334
Promo price
€35.95
€30.56
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9305739
BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
Promo price
€47.95
€40.76
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 7793201
BMW 3 X5 X6 Series E70 E71 E90 E91 E92 E93 Lead Preheater System 7793201 Diesel
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9263800
BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800
Promo price
€113.95
€96.86
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 6940237
Wiring Cable AUX BMW E90 E91 E92 E93 Loom Kit Jack Plug Input 375MM 6940237
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9224595
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
Promo price
€113.95
€96.86
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9229875
BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359229875 9229875
Promo price
€75.95
€64.56
Free delivery - Thu, Oct 16
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 - Thu, Oct 16
If paid before 14:00
-15%
Part no. 7316186
BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
Promo price
€75.95
€64.56
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9218330
BMW E81 E87 E90 LCI E92 Navigation System Car Computer CIC 9218330
Promo price
€237.95
€202.26
Free delivery - Thu, Oct 16
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 - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9226357-1
Loudspeaker BMW F20 F30 Top-HiFi Door Speaker Tweeter Set Harman Kardon 9226357
Promo price
€42.95
€36.51
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. 8570849
BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849
€23.95
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9220695
BMW X5 X6 E70 E71 Control Unit Module Top Rear Side View Camera 9220695
Promo price
€66.95
€56.91
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2129004014
Mercedes W204 W212 Front Door Module Control Unit Module Left N/S A2129004014
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 4H0959655C
Audi A6 C7 2.0 TDI SRS Air Module Control Unit Sensor ECU 4H0959655C
Promo price
€42.95
€36.51
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2469009413-1
Mercedes W176 W246 Control Unit Body Control Module ECU A2469009413
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9257008
BMW F01 F10 F12 Sat Nav Infotainment Radio Player Head Unit CIC 9257008
Promo price
€284.95
€242.21
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 7571142
Plus Cable Wiring Mini Cooper R55 R56 R57 Battery Lead Power Positive 7571142
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. A2129005327
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Changer A2129005327
Promo price
€277.95
€236.26
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 7551559
BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9185542
BMW X5 Series E70 CCC Radio CD Player Navigation 9185542
Promo price
€360.95
€306.81
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A0038207726
Mercedes W212 Siren Alarm Horn Signal Module Unit A0038207726
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
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
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9317173
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V1 9317173
Promo price
€32.95
€28.01
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. 7592508
BMW X5 E70 E90 LCI F20 Engine Wiring N55 Valvetronic Servomotor Cable 7592508
€32.95
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 8574102
BMW F20 F21 F30 F31 F32 Starter Motor Engine Actuator N47N Diesel 8574102
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9210857
BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 7621168
BMW F20 F21 F30 F31 Earth Cable Battery Engine N47N N13 7621168
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 6909776
BMW X5 Series E53 Control Element Light Switch 6909776
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9278279
Mini R55 R56 LCI Instrument Cluster Speedo Navigation Display Screen 9278279
Promo price
€104.95
€89.21
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9200503
BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-40%
Part no. A2139004119
Module Mercedes W205 Drivetrain Gearbox Control Module Unit A2139004119
Promo price
€104.95
€62.97
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 8509722-1
Control Unit Box BMW F20 F21 F22 F30 F31 Engine Ecu Cover 8509722
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
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 - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9129439
BMW E61 E92 F32 LCPA Seat Belt Control Module ECU 9129439
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 7614083
BMW F20 F21 F22 F30 F31 F32 LCI Earth Ground Cable Battery Wiring 7614083
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 6960259
BMW 1 3 SERIES E81 E82 E87 E90 E91 E92 E93 Flat Cable Wiring Wire CAS Start Stop
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 3456760
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456760
Promo price
€165.95
€141.06
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. A1698207326
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326
€23.95
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9213372
Mini Cooper One R55 R56 R58 Electrical System Fuse Distribution Box 9213372
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-40%
Part no. 6989588
BMW 3 X1 Series E91 LCI E84 Switch Cluster Cruise Control Stalk Unit 6989588
Promo price
€161.95
€97.17
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9809354
Mini R55 R56 R60 R61 Air Module ECU Control Unit Module 9809354
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. 6969281
BMW 1 3 X1 Series E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6969281
€56.95
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 1508927-1
Mini Cooper S R52 R53 Positive Battery Cable Fuse Box Module B 6911180
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 6926435
BMW 1 3 Series E87 E90 Mini R56 R57 Seat Control Unit Module Heating 6926435
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A0009003101
Mercedes W204 W212 W221 Fuel Pump Module Control Unit A0009003101
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 9196705-BLK
Mini Cooper R55 R56 R57 R58 R60 Rear PDC Ultrasonic Parking Sensor Black 9196705
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
Part no. 9181965
Mini Cooper One Cabrio R50 R52 Air Con A/C Conditioning Pipe Hose Evaporator
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9362395
BMW F20 F30 F31 F34 Electrical Body Control Unit Module REM V2 9362395
Promo price
€42.95
€25.77
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 9324784
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324784
Promo price
€56.95
€48.41
Free delivery - Thu, Oct 16
If paid before 14:00
-15%
Part no. 6856980
BMW F01 F10 F11 F30 F31 AHK Towing Hitch Tow Bar Control Module Unit ECU 6856980
Promo price
€113.95
€96.86
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 8377654
BMW X5 E53 AmplifIer Trap Circuit Antenna Booster Diversity 8377654
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2038201485
Mercedes W203 Door Control Module Front Right O/S A2038201485
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A9065420518
Mercedes-Benz W639 W906 ESP Yaw Rotation Rate Sensor Control Unit A9065420518
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. A2128204926
Mercedes W212 Crash Impact Air Module Sensor Front Unit A2128204926
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
If paid before 14:00
-5%
Part no. 3414122
BMW X3 E83 Sensor Air Module Front Impact Crash Sensor 3414122
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 16
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 .