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. 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, Dec 17
If paid before 14:00
-15%
Part no. 7574294
Mini Cooper S R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7574294
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. A2079011900
Air Module Mercedes W207 A207 Control Unit ECU Air Module Sensor A2079011900
Promo price
€75.95
€64.56
Free delivery - Wed, Dec 17
If paid before 14:00
-15%
Part no. 8586571
BMW 1 3 F20 F30 LCI B47 Engine Gearbox Module Wiring Cable Loom Harness 8586571
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8E1971035DF
Audi A4 Door Harness Loom Cable Wiring Front Left Right N/O/S 8E1971035DF
€37.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 3457403
BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
€170.95
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. 9128573
BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 17
If paid before 14:00
-40%
Part no. 9134668
Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
Part no. A1179001702
Mercedes GLA X156 Interior SRS Air Module Seat Belt Tensioner A1179001702
€127.95
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. 9348726-1
BMW F20 F21 F30 F31 Air Module Control Unit ECU 9348726 0285012518
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
-40%
Part no. A0009006516
Bluetooth Module Mercedes S205 W205 W177 Active Parking Assist Control Rear
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. 6954776
BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. A1779005505
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779005505
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
-40%
Part no. 7253188-1
BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. A0009003806
Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
Promo price
€89.95
€76.46
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. A2229005415
Mercedes W205 W213 W222 Comunication Module Telematic Bluetooth A2229005415
€75.95
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. 4H0907468AF
Audi A8 D4 Central Diagnostic Getaway PKO Control Unit Module ECU 4H0907468AF
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 17
If paid before 14:00
-15%
Part no. 6936996
BMW E65 Light Control Unit Headlight Module Lear LM E6X MAN. LWR 6936996
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 17
If paid before 14:00
-5%
Part no. A2218709987
Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218709987
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
Part no. 4H0915181F
Audi A8L 4H Negative Battery Cable Lead 4H0915181F
€85.95
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. A0041518501-1
Mercedes W169 W245 Engine Starter Motor A0041518501
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 17
If paid before 14:00
-5%
Part no. A1779004106
Door Module Mercedes C118 W177 W247 Front Right O/S Control Unit A1779004106
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 8092206-6
Air Module Wiring BMW F20 F21 F22 F30 F31 Steering Wheel Harness Cable 8092206
€37.95
Free delivery - Wed, Dec 17
If paid before 14:00
-5%
Part no. 6782372
BMW X1 X3 Z4 E83 LCI E84 E89 E90 E91 E92 Speed Sensor Cluster 6782372
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
If paid before 14:00
-15%
Part no. 4H4907357B
Audi A8 D4 Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357B
Promo price
€75.95
€64.56
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
-5%
Part no. A4478200087
Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket A4478200087
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-5%
Part no. 9273584
Seat Belt Module BMW E92 F32 E61 Control Unit LCPA ECU 9273584
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. A9079051202
Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
-5%
Part no. 6915327-1
BMW E46 E60 E81 E87 E90 E91 F10 F20 F30 2x Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. 8518568-4
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8518568 Automatic
Promo price
€89.95
€76.46
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
Part no. 6809316
BMW F10 F20 F23 F30 Telematics Module Bluetooth Communications Control 6809316
€113.95
Free delivery - Wed, Dec 17
If paid before 14:00
-5%
Part no. A2465400950-1
Mercedes C117 W176 W246 Fuse Box Power Distribution Box A2465400950
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
Part no. 2449488
Head Unit Mini F55 F56 Navigation Head Unit Radio DAB Media Player 2449488
€332.95
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-40%
Part no. A2039000100
Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2039000100
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 17
If paid before 14:00
-15%
Part no. 8570676
BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
Promo price
€51.95
€44.16
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
-5%
Part no. 5N0035342G
VW Volskwagen Polo 6R Multimedia Electronic ECU Control Unit Module 5N0035342G
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
If paid before 14:00
-5%
Part no. 9325917
Door Cable BMW F36 Rear Left Right N/O/S Wiring Harness 9325917
Promo price
€27.95
€26.55
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-40%
Part no. 7394466
BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. 5Q0980653G
Audi TT FV Front Camera Module Lane Assist Control Unit 5Q0980653G
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 17
If paid before 14:00
-15%
Part no. 9350313
BMW F90 M5 G11 G30 Fuse Box Power Distribution Unit Front Right O/S 9350313
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9193110
BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
€132.95
Free delivery - Wed, Dec 17
If paid before 14:00
Part no. 9236519
BMW 1 Series E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9236519
€56.95
Free delivery - Wed, Dec 17
If paid before 14:00
-5%
Part no. 9226326
BMW E81 Body Control Module Control Unit L2 PL2RR JBBFE III ECU 9226326
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
-5%
Part no. 6793850
Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
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, Dec 17
If paid before 14:00
-15%
Part no. 8582279-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 Keys FEM
Promo price
€222.95
€189.51
Free delivery - Wed, Dec 17
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, Dec 17
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, Dec 17
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, Dec 17
If paid before 14:00
Part no. 8678974
Engine Cable BMW F40 X1 F48 Mini F55 F56 Injector Wiring Loom Harness 8678974
€56.95
Free delivery - Wed, Dec 17
If paid before 14:00
-5%
Part no. 9240945
Mini Cooper D R55 R56 R57 R60 LCI Electrical System Fuse Distribution Box
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 17
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 .