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. A0001502780
Mercedes W203 CL203 W204 M272 Petrol Ignition Coil Cable Connector A0001502780
Promo price
PLN 47.95
PLN 45.55
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 7614585
Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585
PLN 61.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 7317408
BMW F10 F11 LCI F30 F31 Xenon Headlight Ballast Control Unit 7317408
Promo price
PLN 142.95
PLN 128.66
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 6990109
BMW X3 E83 LCI Front Door Speaker Tweeter 6990109
PLN 61.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8387547
Fuse Box Base BMW X3 E83 Mini R50 R53 Battery Positive Cable B 8387547
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 6777641-1
Air Module Wiring BMW X5 E70 E81 E87 E90 E91 E92 E93 Steering Wheel Loom
Promo price
PLN 93.95
PLN 84.56
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9270500-SCH
BMW X3 Series E83 LCI Front PDC Ultrasonic Parking Sensor Black 9270500
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6958526
BMW 5 X5 X6 Series E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Right O/S
Promo price
PLN 28.95
PLN 27.50
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9210148
BMW F20 F30 Central Bass Speaker Stereo Subwoofer Right O/S 9210148
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7798076
BMW E60 E61 E63 E64 LCI Electrical Battery Earth Cable 330MM 7798076
Promo price
PLN 75.95
PLN 72.15
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2465400335
Mercedes W176 W246 Negative Earth Cable Battery Terminal Wiring A2465400335
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6955475
BMW Mini Cooper R50 R52 Aerial Antenna Amplifier Diversity Module 6955475
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6925330
Central Bass Speaker BMW E81 E87 E90 E91 E92 Stereo Audio Right O/S 6925330
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0009820912
Mercedes W176 W222 W246 Voltage Converter Power Distributor Fuse A0009820912
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9117877
BMW F20 F21 F30 F31 F32 F33 Negative Minus Pole IBS Battery Lead Cable 9117877
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
PLN 27.95
PLN 26.55
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9138830
BMW E60 E61 E63 E64 LCi Fuse Box Power Distribution Rear 9138830
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1693000204-2
Accelerator Sensor Mercedes W169 W245 YAW Rate Control Unit Module A1693000204
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7789755
BMW 5 6 Series E60 E61 E63 E64 LCI Cable Starter-Base B 7789755
Promo price
PLN 18.95
PLN 18.00
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7522234
Mini R50 R52 Battery Cable Negative Wire 7522234 7519551
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6906070
BMW X5 E53 Roof Antenna Amplifier Trap Circuit 6906070
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7661503
Battery Cable Relay BMW E60 E64 E82 E90 Electrical Unit 7661503
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
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
PLN 28.95
PLN 27.50
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 9261580
BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic Glacier Silver A83
PLN 75.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9225824
PDC Module BMW E81 E82 E87 E90 E91 E92 Parking Distance Control Unit 9225824
Promo price
PLN 332.95
PLN 299.66
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7316186
BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
PLN 332.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7789231
BMW X5 E46 E53 E60 E65 Preheater System Lead Cable Starter 7789231
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9143270
Mini Cooper One R50 R53 Loudspeaker Rear 65136801101 6801101
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9240490
Battery Distribution Box BMW F01 F02 F10 F11 Power B+ Rear 9240490
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2128203985
Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9198302
BMW F10 F11 F20 F21 F30 F31 130A Electric Fan Motor Relay 9198302
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6977982
Mini Cooper R50 R56 R57 R60 Relay No Contact Taubenblau 6977982
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9341546
BMW F40 G20 G30 Accelerating Sensor 9341546
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 6927025-1
Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0025422519
Mercedes W168 W169 W245 Blue Relay 4-Pin Tyco A0025422519
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 8376443
BMW X3 X5 Z4 E46 E53 E83 E85 Switch Cluster Steering Column 8376443
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9183233
BMW E60 E61 LCI Centre Console Switch Cluster Control Unit ECU Module 9183233
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9270501
BMW X3 E83N E70 LCI E71 PDC Parking Ultrasonic Sensor Schwarz 7687127
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6906614
Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906614
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6G9T-14B192-AA
Ford Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-AA
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 7316187
BMW F80 M3 F32 F33 Xenon Headlight Control Module Lear TMS 7316187
PLN 189.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7550975
BMW 1 3 Series E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8J0959651
Audi A3 8P Air Module Crash Impact Sensor 8J0959651
Product currently unavailable
-5%
Part no. 6925964
BMW X3 E83 Drive For Window Lifter Motor Front Right O/S 6925964
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2469012504
Mercedes W176 W246 Rain Sensor Light Control Unit Front Windscreen A2469012504
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6798872
BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6926459
BMW X1 E81 E82 E84 E87 E88 E90 E91 E92 Climate Control Solar Sensor 6926459
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9177754
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9177754
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. A9064409913
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064409913
PLN 142.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7811163
BMW 1 3 5 Series F10 F20 E90 LCI Wiring Harness Engine Glow Plug Module 7811163
Promo price
PLN 47.95
PLN 45.55
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9148265
BMW E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9148265
Promo price
PLN 75.95
PLN 68.36
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1728100011
Mercedes W176 W204 W212 Navigation Control Unit Module NTG 4.5 A1728100011
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9134661
BMW E87 E90 E91 E92 Seat Control Unit Module ECU 9134661
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9337656
Mini Cooper One F55 F56 F57 Sensor For Pedestrian Protection PTS 9337656
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8387541
BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 7851568
BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568
PLN 284.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7547141
BMW E82 E84 E87N E88 E90 E91 E92 E93 E93 E-box fan 7547141
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7551559
BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559
Promo price
PLN 47.95
PLN 45.55
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6906624
BMW E87 E90 E91 Power Distribution Fuse Box Front 6906624
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. A0009061505
Mercedes W212 W213 W205 W218 Positive Battery Tray Clamp A0009061505
PLN 189.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9187534
BMW E81 Body Control Module Unit ECU L2 PL2 JBBFEII 9187534
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
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
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 4H0951253C
Seat Skoda Audi VW Polo 6R Multi Use Control Module Relay 4 Pin 646 4H0951253C
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 1378238
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 7601993
Mini Cooper One R55 R56 R57 R60 Neutral Start Stop Gearbox Sensor Module 7601993
Promo price
PLN 170.95
PLN 153.86
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8379375
BMW X5 E53 Loudspeaker Loud Speaker Tweeter Front 65138379375 8379375
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9369124
BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
Promo price
PLN 94.95
PLN 85.46
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 1K0959654
Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 1K0959654
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A0051511301-2
Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
Promo price
PLN 94.95
PLN 85.46
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7428425
LED Module BMW F20 F21 LCI Headlight Front Lamp Headlamp 7428425
PLN 142.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 6927705
BMW 5 Series E60 E60N E61 E61N Battery lead positive underfloor 80 MM² AL petro
Promo price
PLN 284.95
PLN 256.46
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8385157
BMW X3 E46 E83 LCI Start Point Housing Bracket Base B 8385157
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 3450192
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3450192
PLN 569.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8E0959655G
Air Module Audi A4 B6 B7 ECU Control Unit Crash Sensor Air 8E0959655G
Product currently unavailable
-5%
Part no. 1K0955557A
VW Volkswagen Audi Seat Skoda Airbag Crash Impact Sensor SRC 1K0955557A
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0025467940
Receptacle Housing Mercedes W164 W203 W639 Dashboard Wiring Harness A0025467940
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 7823651
BMW F10 F11 Engine Wiring Loom Cable Harness Injector Module 520d N47N 7823651
Promo price
PLN 123.95
PLN 111.56
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6928050
BMW 7 Series E65 E66 E67 Battery Cable Wire Earth Ground Minus Negative L=260MM
Promo price
PLN 46.95
PLN 44.60
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6930302
BMW E60 E61 E63 E64 Actuator Ventilation Motor Heater Right O/S 6930302
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 1709317
BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6912817
BMW E46 Z4 E85 E86 Antenna Amplifier Diversity 6912817
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9261606
BMW 1 2 F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Mineralweiss White A96
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7789222
BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 Cable Alternator Starter
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6954298
BMW E81 E87 E90 E91 Adapter Lead Medium Range Loud Speakers 6954298
Promo price
PLN 94.95
PLN 90.20
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9270491-BS
PDC Parking Sensor BMW E70 LCI F07 F25 Ultrasonic Black Sapphire 9216207
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1725420023
Mercedes W176 W204 W246 Front Parking Sensor Display Control PDC A1725420023
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9145115
BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690
Promo price
PLN 170.95
PLN 153.86
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6919354
BMW E60 E61 Stereo System Central Bass Subwoofer Right O/S 6919354
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 9177981
BMW E90 ECU Body Control Module H1 PL2 JBBFE2 9177981
PLN 61.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 6935597-1
Parking Sensor BMW E81 E87 E90 E91 PDC Set Front Rear Titansilber Metallic - 354
Promo price
PLN 61.95
PLN 55.76
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7490465
BMW F10 F20 F30 F31 Mini F55 F56 Seat Heating Module Control Unit ECU 7490465
PLN 61.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6950093
BMW X5 Series E70 Flat Cable Wiring Wire CAS Start Stop 6950093
Promo price
PLN 75.95
PLN 72.15
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1715420123
PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 4F0035411E
Audi TT 8J Speaker Loudspeaker Front Door Left Right N/O/S 4F0035411E
Product currently unavailable
-5%
Part no. 8516246
BMW F10 LCI F20 F22 F30 F32 B37 Wiring Harness Engine Glow Plug Module 8516246
Promo price
PLN 237.95
PLN 226.05
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A2465400082
Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465400082
Promo price
PLN 75.95
PLN 68.36
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6977427
BMW E87 E90 E91 Mini Cooper R50 R52 R53 Air Module Control Unit ECU 6977427
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1648203085
Mercedes ML W164 Window Windscreen Rain Light Sensor A1648203085
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
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 .