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
-40%
Part no. 8576341-7
BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM
Promo price
€227.95
€136.77
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 6966551
BMW 5 Series E60 E61 Front Door Wiring Loom Harness Passengers Side 6966549
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2239053002
Mercedes Vito W447 Aerial Antenna Amplifier Control Unit Module A2239053002
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 15
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 15
If paid before 14:00
-5%
Part no. 6971219
BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 61126971219 6971219
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 6C1Q-10K019-AC
Ford Transit MK7 2.4 TDCi Diesel Alternator Bracket Mount Support 6C1Q-10K019-AC
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A1645402372
Mercedes W164 W251 Fuse Relay Module Rear Fuse Box Unit A1645402372
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 059971627D
Audi A6 C7 High Pressure Pump Fuel Line Electrical Wiring Harness 059971627D
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2048702789
Aerial Antenna Amplifier Mercedes W204 Estate Left N/S Booster Unit A2048702789
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
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
€189.95
€161.46
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9253111-1
BMW 1 2 Series F20 F21 F22 Positive Plus Pole Battery Blow Cable Part 9253111
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2229009915
Keyless Module Mercedes W205 W213 ECU Door Lock Control Unit A2229009915
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 2754241-2
BMW MINI Cooper R55 R56 R57 Engine Computer Mount Support Bracket Holder 2754241
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 9488418
Adblue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9488418
€42.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 6916692
BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2079011900
Air Bag Module Mercedes W207 A207 Control Unit ECU Airbag Sensor A2079011900
Promo price
€108.95
€92.61
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 1388911-2
BMW E36 E38 E85 Mini R52 R57 4x Change-Over Contact Relay Violet Set 1388911
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8586571
BMW 1 3 F20 F30 LCI B47 Engine Gearbox Module Wiring Cable Loom Harness 8586571
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 7848265
BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Wiring Loom Module Harness Cable 7848265
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9293309
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9293309
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9205930
BMW E92 Telematics Bluetooth Control Unit Module 9205930
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 8585642
BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8267406
Headrest Adjustment BMW E46 E64 Front Right O/S Seat Actuator 8267406
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9286941
BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 5Q0907357
Audi A3 8V Headlight Head Light Lamp Range Control Unit Module ECU 5Q0907357
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2218704192
Mercedes W221 Air Condition Climate Control Module Unit A2218704192
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 3C1T14A120AA
Ford Transit Mk6 Starter Motor Battery Cable Loom Wiring Harness 3C1T-14A120-AA
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A6395406209
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406209
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A1179001702
Mercedes GLA X156 Interior SRS Air Module Seat Belt Tensioner A1179001702
Promo price
€127.95
€76.77
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 1495806
Mini Cooper One R50 R52 R53 JCW Starter Heat Resistant Plate 1495806
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 8606445
Wiring Harness BMW F20 F21 F30 LCI Motor Sensor System Module 1 8606445
Promo price
€42.95
€25.77
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 8573258
BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8573258 Manual
€32.95
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A0009006516
Bluetooth Module Mercedes S205 W205 W177 Active Parking Assist Control Rear
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7567776
Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7195768
BMW 7 Series E65 E66 E67 Battery Holder Hold Down Strap Bracket 7195768
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2118704585
Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 6959011
Mini Convertible Cabrio R52 Amplifier Speakers Audio Hifi Harman Kardon 6959011
€251.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6944500
BMW 5 6 Series E60 E61 E63 Driver's Side Door Airbag Control Unit Module 6944500
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9196937
BMW E93 Convertible Seat Control Unit Module ECU 9196937 FSV 7.14.0
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 9236460
BMW F10 Footwell Light Module Control Unit ECU FRM III 9236460
Promo price
€75.95
€45.57
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9805422
BMW Mini Cooper One R50 R52 R53 R55 R56 R57 R58 R59 R60 R61 Earth Ground Cable
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A1779005505
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779005505
€28.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6957330
BMW E60 E61 E63 Power Distribution Electrical Fuse Box 6957330
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
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 15
If paid before 14:00
Part no. 9287433
BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2055402992
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055402992
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 7253188-1
BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 6942638
BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638
€165.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0035421619
Mercedes W177 Relay 052 Engine Fuse Box Relay Slot B D E 70A Tyco A0035421619
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 9867503
Navigation Head Unit BMW F20 F21 F30 F31 LCI F32 Radio CD Player High 2 9867503
Promo price
€446.95
€379.91
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9243896
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9176194
Mini Cooper R57 R58 R59 Radio Aerial Antenna Amplifier FM 9176194
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A0009003806
Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
€89.95
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2229005415
Mercedes W205 W213 W222 Comunication Module Telematic Bluetooth A2229005415
Promo price
€75.95
€45.57
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 7843338
Engine Wiring BMW F10 M5 F13 M6 Valvetronic Servomotor Cable Loom 7843338
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A0009821923
Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relay A0009821923 Red
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. R50-PARK-LANE
Mini R50 Park Lane Sticker Rear Window Decals Plates Set
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 8638585
BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A0009002914
Mercedes Sprinter W906 OM651 OM642 Diesel Adblue Control Unit ECU A0009002914
Promo price
€42.95
€25.77
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2118703889
Mercedes W164 W169 W211 W245 W906 6 Disc CD Changer Player A2118703889
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 4H0915181F
Audi A8L 4H Negative Battery Cable Lead 4H0915181F
Promo price
€85.95
€73.06
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A6519007703
Mercedes W906 Glow Plug Relay Module Unit A6519007703
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 5Q0959393
Audi A3 8V Control Unit Central Door Locking Module ECU 5Q0959393
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6910920
Mini Cooper One R50 R53 Heater Temperature Control Actuator 0132801166
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 7891023
BMW E60 M5 E63 E64 M6 Cylinder Head Cover Engine Cylinders 6-10 7891023
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 14
If paid before 14:00
-15%
Part no. 9286640
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9286640
Promo price
€237.95
€202.26
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7544721
BMW X5 E53 Automatic Gearbox Basic Control Unit Module EGS 7544721
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9171948
BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7259883
Stop Lamp Cover BMW F30 F80 M3 Rear Third Stop Brake Lamp Trim 7259883
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. A2049060305-1
Mercedes W204 SAM Module Control Unit Rear A2049060305
Promo price
€80.95
€48.57
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 9293305
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6949226
BMW E63 E64 Convertible Coupe DWA Alarm System Module Control Unit 6949226
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6942912-1
BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Black 6942912
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. 6809049-1
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
€23.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9234087
BMW E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor Control Unit 9234087
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9329703
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9329703
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A1779003806
Door Module Mercedes C118 W177 W247 Front Left N/S Control Unit A1779003806
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 6794618
EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2059006822
Module Mercedes W205 Relay Body Control Module Unit SAM BCM A2059006822
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7254970
BMW E92 LCI Grille Trim Panel Chrome Frame Front Right O/S 7254970
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-40%
Part no. 6809316
BMW F10 F20 F23 F30 Telematics Module Bluetooth Communications Control 6809316
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A0009050438
Windscreen Camera Mercedes W204 W212 Front Windshield Camera Unit A0009050438
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 7464634
BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 1439743
BMW E46 X5 E53 E60 E65 X3 E83 Z4 E85 Z3 Cable Alternator Starter 1439743
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
Part no. A0009004434-2
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
€142.95
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2049000300
Mercedes W212 Media Interface Control Unit Module Communication A2049000300
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. A2049005601
Mercedes W204 S204 Estate SAM Control Unit Module Rear A2049005601
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9261598
BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Valencia Orange Metallic B44
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 6882963
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6882963
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 15
If paid before 14:00
-15%
Part no. 7394466
BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6925964
BMW X3 E83 Drive For Window Lifter Motor Front Right O/S 6925964
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9231466
BMW 2 3 4 Series F22 F30 F32 Antenna Amplifier Module Trap Circuit 9231466
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 9358302
Mini 1 2 3 Series F20 F21 F30 LCI F55 F56 Compensator LTE ECE 9358302
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6915047
BMW E46 E39 E38 E83 E53 E85 E86 Control Unit Voice Input System Module 6915047
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6930302
BMW E60 E61 E63 E64 Actuator Ventilation Motor Heater Right O/S 6930302
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6C1T-14A120-AD
Ford Transit Mk7 Starter Motor Wiring Cable 2.2 TDCi 6C1T-14A120-AD
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. 6799712
BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
If paid before 14:00
-5%
Part no. A2118209126
Mercedes-Benz C E Class W203 W211 Alarm Anti Theft System Control Module Unit
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 15
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 .