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
Part no. 8381020
BMW X5 Series E53 Drive For Window Lifter Front Right O/S 8381020
€28.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9224686
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9224424
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2469000012
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469000012
Promo price
€80.95
€68.81
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8U0971104C
Audi Q3 8U Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8U0971104C
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 3C1T14A120AA
Ford Transit Mk6 Starter Motor Battery Cable Loom Wiring Harness 3C1T-14A120-AA
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 7605076
BMW F06 F10 F11 F12 F13 Wiring Harness Cable Engine Ignition Module N55 7605076
€75.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9196936
BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 6926371
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 05E972627B
Volkswagen Golf SV 1.5 TSI DADA Automatic Engine Wiring Harness 05E972627B
Promo price
€108.95
€65.37
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2044409005
Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-40%
Part no. A2479001306
Mercedes W177 W247 SAM Module Body Comfort Control Unit A2479001306
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2078202910
Seat Control Module Mercedes A207 W207 Cabrio Rear Control Unit ECU A2078202910
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2761508800
Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A6549061400
Starter Motor Mercedes W213 S213 W238 OM654 Diesel Engine Actuator A6549061400
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0005456616
Mercedes W212 Automatic Gearbox EGS Control Module Unit ECU A0005456616
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2229004220
Mercedes GLC X253 Communication Module LTE Telephone Bluetooth A2229004220
Promo price
€189.95
€113.97
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 1378238-1
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9371790
BMW 1 Series F20 Telematics Control Unit Module Bluetooth 9371790
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2711508033
Mercedes W204 Engine Wiring Harness Cable Loom A2711508033
Promo price
€313.95
€188.37
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9399427
Radio Head BMW F20 F21 F22 F30 F31 Unit Basic Media Navigation Headunit 9399427
Promo price
€80.95
€68.81
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 3449686
Mini Cooper R55 R56 R57 Passive Go Module Control Unit 3449686
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8384525
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384525 6920648
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. B67824524
Mercedes W164 Media Interface Connection Cable MI AUX Wiring B67824524
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6867169
Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Unit 6867169
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7553009
Mini Cooper One R56 Alternator Generator Bosch 150A 7553009
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2475400600
Mercedes W177 Rear Axle Wheel RPM Speed Right Sensor Wire Harness A2475400600
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2215402462
Mercedes W221 SAM Fuse Box Comfort Control Module Unit ECU A2215402462
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9252651
BMW 1 2 3 Series F20 F21 F22 F30 Radio Remote Control Receiver 868 MHZ 9252651
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9314237
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9314237
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9318750
Head Unit BMW F10 F20 F22 F30 F32 Navigation Sat Nav DAB High 9318750
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
Part no. 6875997
ICM Control Unit BMW F01 F02 LCI F06 F10 F11 F13 ECU Module 6875997
€32.95
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-15%
Part no. 8579480-1
BMW F20 120d F30 320d F10 520d N47N 184HP Engine Control Unit DDE 8579480 Manual
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2139068701
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 5A323C8
BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2769007300-2
Mercedes R172 AMG SLC 43 276.822 Engine Control Module ECU Kit A2769007300
Promo price
€455.95
€273.57
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 7182396
BMW X5 E70 E90 E91 LCI Control Unit Xenon Adaptive Headlight 7189311
Promo price
€51.95
€44.16
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2741501802
Mercedes W213 Engine Wiring Harness Cable Loom A2741501802
Promo price
€180.95
€108.57
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. KV6T-11000-BC
Ford Transit Connect Starter Motor Engine 1.5 TDCI Diesel KV6T-11000-BC
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 03E906023AL
Volkswagen Polo 6R 1.2 MPI CGPB 60HP Engine Control ECU 03E906023AL Manual
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. Mini Lodgesons
MINI Cooper R50 Lodgesons Steering Wireless Control Unit Module System
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7603567
BMW E60 E93 Mini Cooper R55 R56 R60 Minus Lead IBS Negative Battery 7603567
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6927311
BMW E60 Front Seat Control Unit Module Controller ECU 6927311
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9181455
BMW X1 Series E84 Antenna Aerial Noise Suppression Filter 9181455
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9146244
BMW X3 X5 Series E53 E83 Control Unit Sliding Lifting Roof Panorama 9146244
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1698209926
Mercedes W169 W245 ECU Air Control Unit Sensor Module A1698209926
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7795485
BMW X1 E81 E84 E87 E90 E91 Earth Cable Battery Cable 7795485
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9688268580
Citroen C4 Starter Motor Diesel Engine 1.6 HDI Actuator Unit 9688268580
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2049006003
Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049006003
Promo price
€218.95
€186.11
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A4148200526
Mercedes Vaneo W414 Front Left Right Door N/O/S Control Unit Module A4148200526
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6917557
BMW Z4 Z3 E36 E85 Module Radar Burglar Alarm Sensor 6917557 6963225
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6824116
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Inverter Cable 6824116
Promo price
€94.95
€80.71
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9398997
Sound Amplifier BMW F80 M3 F82 M4 Hifi Audio Unit Active Sound Design 9398997
Promo price
€137.95
€82.77
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 5A41CA2
Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2
Promo price
€237.95
€202.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8Y0971693D
Audi S3 8Y Sportback Rear Door Wiring Harness Loom Left Right N/O/S 8Y0971693D
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9261095
BMW 7 Series F01 F02 LCI Antenna Aerial Noise Suppression Filter 9261095
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1669000318
Mercedes-Benz A B Class W176 W246 Front Left N/S Door Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2129003408
Mercedes W204 W221 Fuel Pump Module Control Unit A2129003408
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 7266666
BMW F11 Touring Control Unit Rear Tailgate Boot Lid Function Module 7266666
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 6862808
BMW F10 F11 F12 X3 F25 Electric Parking Brake Control Unit EMF Module 6862808
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8576341
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Control ECU DDE 8576341 Manual
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 7648190-1
Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Key 7648190 Manual
€626.95
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2049003211
Mercedes W204 Stereo Radio Autoradio CD Player Head Unit A2049003211
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 8K0959794A
Audi A4 B8 Door Module Rear Right O/S Control Unit Module ECU 8K0959794A
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 7607705
Mini Cooper One R56 N16 Automatic Gearbox Basic Control Unit EGS 7607705
Promo price
€90.95
€54.57
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7615305
Engine Wiring BMW F20 F21 F30 F31 N13 Loom Module Harness Cable 7615305
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A9105400805
Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8T0959792G
Audi A4 B8 Front Door Lock System Module Right O/S Control Unit ECU 8T0959792B
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9290014
BMW X3 F25 Light Module Control Footwell ECU Unit FRM3 9290014
Promo price
€108.95
€65.37
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 7809999-2
BMW X3 E83 LCI 2.0d N47 Engine ECU Kit DDE 7809999 + EWS IV + Key Automatic
Promo price
€284.95
€170.97
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 55571379
Vauxhall Opel Insignia A Diesel Crankshaft Level Sensor Wiring Loom 55571379
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1635457932
Mercedes ML W163 Transfer Box Control Unit Module ECU A1635457932
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8X0959792H
Audi Q3 8U Door Module Front Door Left N/S Control Module 8X0959792H
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2465410005
Mercedes W176 W246 Battery Cover Fuse Box Trim Panel Lid A2465410005
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7555188
BMW 5 6 Series F10 F11 F12 F13 Control Unit Box Cover 7555155
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6917548
Mini R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 05E907309
Volkswagen Golf Sportsvan 1.5 TSI DADA 150HP Engine ECU Key + Lock 05E907309 DSG
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9221462
BMW F01 Front Seat Control Unit Module ECU Left Temic 9221462
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 3448466
Mini Cooper R55 R56 Control Unit Module Passive Go 3448466
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1664409735
Mercedes ML W166 Battery Cable Alternator Starter Motor Wiring A1664409735
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9195246
Electronics Charging BMW E81 E87 E90 E91 Hands Free MULF2 9195246
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8632554
Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00
-5%
Part no. A6395450203
Mercedes-Benz Vito W639 Fuse Box Cover Cap Trim A6395450203
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 8V0035020H
Audi A3 8V MMI Multimedia CD Player Head Unit Infotainment 8V0035020H
Promo price
€436.95
€371.41
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0025450801
Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8610635-3
BMW F20 F30 F31 120i 320i N20 184HP Engine Control Unit ECU DME 8610635 Manual
Promo price
€237.95
€142.77
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. 6825541
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 6825541
€99.95
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1779008206
Mercedes W177 Ambience Illumination Light Control Module Unit A1779008206
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8517727
Mini Cooper D R60 N47N Engine Control Unit ECU 8517727 Manual
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 8843416
BMW G30 Battery Cell Module Supervision Circuit Control Unit 8843416
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8507398
Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9196100
Mini Cooper One F55 F56 F57 B Pillar Upper Column Airbag Sensor 9196100
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
Part no. GU5T-14B192-GA
Ford Transit Mk8 Relay High Power 4-Pin Black FoMoCo GU5T-14B192-GA 4RA933714
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1635450440
Mercedes-Benz M-Class ML W163 Holder Bracket Engine Control Unit A1635450440
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8X0959795C
Audi Q3 8U Door Module Rear Left Door Control Unit 8X0959795C
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7810860-1
BMW 3 Series E90 E91 E92 E93 LCI N47N Engine Alternator Starter Cable B 7810860
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 .