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. 9231174
BMW 3 4 F30 F32 Touring Amplifier Rear Window Antenna Diversity 9231174
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8649179
BMW X5 F15 Positive Wiring Harness Cable Battery 8649179
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8506444-1
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
Promo price
PLN 1,139.95
PLN 683.97
Free delivery: Mar 03
If paid before 14:00

Part no. 8366282-1
BMW Z1 Z3 E32 E36 E38 E46 X5 E53 Connection Plug Golden Brown Set x2 8366282
PLN 94.95
Free delivery: Mar 03
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
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 9227172
BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9318579
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9318579
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9459673-1
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 9250421
Promo price
PLN 313.95
PLN 188.37
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9293242
BMW 3 7 Series F01 F02 LCI F34 Telematics Control Unit Module TCB ECE 9293242
Promo price
PLN 93.95
PLN 89.25
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8513157
Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 6819334
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 6819334
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8573257-6
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8573257 Automatic
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00

Part no. 6924519-2
BMW E82 E88 Rear Lamp Taillight Tail Light Wiring Cable Left N/S 6984754
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9264924
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 9267465
BMW F01 Body Control Module ECU Junction Box V5 PL6 JBBFE III Lear 9267465
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

Part no. 9239388
BMW F10 F10 LCI HiFi Stereo Audio Sound System Amplifier 9239388
PLN 284.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9123994
BMW Z4 Series E89 Cabrio Roadster Radio Antenna Mast Aerial FM Bumper 9123994
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8510284
Engine Wiring Loom BMW F30 F31 F32 330d 430d N57N Gearbox Module Harness 8510284
Promo price
PLN 218.95
PLN 131.37
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6835155
BMW 1 2 3 Series F40 F44 G20 Radio Antenna Amplifier Suppression Filter 6835155
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9279824
Body Control BMW F20 F21 F30 F31 F32 Unit Module REM 9279824
Promo price
PLN 81.95
PLN 77.85
Free delivery: Mar 03
If paid before 14:00

Part no. 7210576-2
BMW F06 F12 Rear Lamp Tail Light Wiring Harness Plug Socket Right O/S 7210576
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 6922262
BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6922262
Promo price
PLN 37.95
PLN 36.05
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 9286953
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9286953
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

Part no. 8507949
BMW X3 F25 X4 F26 N57 Fuel Injection Line Wiring Loom Harness Cable 8507949
PLN 284.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 2751617
Mini R56 R57 Battery Valve Breather Vent Hose Pipe R55 2751617 1377745
Promo price
PLN 37.95
PLN 36.05
Delivery: Mar 03
If paid before 14:00

Part no. 7581848
BMW E81 E87 LCI E90 116i 316i N45N 116HP Engine ECU Unit DME 7581848 Manual
PLN 759.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9150883
BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

Part no. 8612583
BMW F45 Mini F60 HV Accumulator Battery Positive B+ Cable Ground 8612583
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 6843898
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6843898
Promo price
PLN 569.95
PLN 341.97
Free delivery: Mar 03
If paid before 14:00

Part no. 8516753-1
BMW F01 730d F07 530d N57 245HP Engine Unit ECU Kit DDE 8516753 Automatic
PLN 759.95
Free delivery: Mar 03
If paid before 14:00

Part no. 8586536-8
BMW F30 F32 LCI 335dX 435dX N57Z 313HP Engine ECU Kit DDE 8586536 Automatic
PLN 1,899.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8636069
BMW F20 F30 LCI B48 Engine Gearbox Module Wiring Cable Loom Harness 8636069
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00

Part no. 8517862
BMW F10 F20 F30 F32 Engine Control Unit Diesel N47N ECU DDE 8517862 Manual
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8589168
Alternator Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589168
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8506442
BMW E81 E82 E87 LCI E88 123d Petrol N47S 204HP ECU Engine DDE 8506442 Manual
Promo price
PLN 664.95
PLN 398.97
Free delivery: Mar 03
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
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 8843416
BMW G30 Battery Cell Module Supervision Circuit Control Unit 8843416
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

Part no. 7640015-6
BMW E90 E91 E92 320i N43 170HP Engine Control Unit ECU DME 7640015 Automatic
PLN 474.95
Free delivery: Mar 03
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
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8380407-1
BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6865245
BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6865245
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9276099
BMW F01 F10 Diversity Aerial Antenna Amplifier Module DAB 9276099
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9289583-1
BMW X1 E84 Display Screen Dashboard Navigation Monitor On-Board CID 6,5" 9289583
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6957759
BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6957759
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6751504
Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 9228914
Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00

Part no. 7426094
BMW F83 M4 S55 Petrol Engine Fuel Pump Control Module Unit ECU 7426094
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8577238
BMW F30 F31 Sterter Motor Alternator Cable Wiring Loom Harness 8577238
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 7805349-1
BMW X3 Series E83 LCI M47N2 2.0d 150HP ECU Kit DDE + EWS4 + Key 7805349 Manual
Promo price
PLN 948.95
PLN 569.37
Free delivery: Mar 03
If paid before 14:00

Part no. 8585642
BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 6915943
BMW 7 X3 Z4 Series E65 E66 E83 E85 E86 Interface Japan Luggage Module 6915943
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8605456
Engine Wiring BMW F21 F30 LCI F36 N20 Loom Module Harness Cable 8605456
Promo price
PLN 180.95
PLN 153.81
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9286789
BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9286789
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8586540
BMW F30 F32 LCI 330d 430d N57N 258HP Engine Control Unit Module ECU DDE 8586540
Promo price
PLN 379.95
PLN 322.96
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9253482-2
BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6904620
BMW 7 Series E65 E66 Diversity Antenna Tuner Amplifier Wiring 6904620
Promo price
PLN 18.95
PLN 18.00
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 9438731
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9438731
Promo price
PLN 617.95
PLN 370.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6864927
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 8573260-8
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual
Promo price
PLN 1,709.95
PLN 1,025.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9396830
BMW F06 F12 F13 E63 Antenna Module Multi band Antenna GPS TEL Left N/S 9396830
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6906347-1
BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 7634063
Gearbox Wiring BMW F10 F11 520i 528i N20 Automatic Engine Loom Harness 7634063
Promo price
PLN 389.95
PLN 233.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6850955
Brake Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6850955
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9307421
Camera Control Unit BMW F20 F21 F30 F31 KaFAS 2 Camera Module ECU 9307421
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9140179
BMW F10 Radio Antenna Amplifier Suppression Filter 9140179
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 8506434
BMW E87 E90 LCI N47 118d 318d Diesel Engine Control Unit ECU DDE Manual Gearbox
Promo price
PLN 275.95
PLN 165.57
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9304728
PDC Wiring BMW X3 F25 Front Bumper Loom Cable Harness Parking Sensors 9304728
Promo price
PLN 427.95
PLN 363.76
Free delivery: Mar 03
If paid before 14:00

Part no. 6797032
BMW X3 F25 X4 F26 Front Axle Shock Absorber EDC Wiring Loom Cable 6797032
PLN 61.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 3437180
BMW E83 Telephone Bluetooth Roof Aerial Module Control Unit 3437180
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9301308
BMW F20 F21 F22 F30 Control Unit Air Conditioning System 9301308
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 5A2D558
BMW X3 G01 G20 G21 G30 G31 Audio Receiver DAB ECE Control Module 5A2D553
PLN 949.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 969713
BMW F01 F07 Boot Trunk Lid Tailgate Lock Wiring Harness Loom Cable 969713
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 8615581
BMW 3 F30 LCI 330e B48X Control Unit Bracket Holder Mount 8615581
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9364818
BMW Z4 E89 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9364818
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 5A41CA2
Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2
Promo price
PLN 949.95
PLN 807.46
Free delivery: Mar 03
If paid before 14:00

Part no. 7805349-3
BMW X3 E83 LCI M47N2 2.0d 150HP Engine Control ECU Kit DDE 7805349 Manual
PLN 1,139.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8512499
Engine Control Unit BMW E81 E87 E90 E91 LCI N47 Diesel ECU DDE 8512499
Promo price
PLN 113.95
PLN 68.37
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6938211
BMW 3 Series E90 E91 M3 Wiring Loom Front Door Right Driver's Side 6938211
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

Part no. 6882972
BMW F33 ECU ICM Control Sensor Unit Air Module ECU 6882972
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

Part no. 6957109
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 6957109
PLN 47.95
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 8573260-1
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8573260 Manual
Promo price
PLN 360.95
PLN 216.57
Free delivery: Mar 03
If paid before 14:00

Part no. 7948147
BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor 7948147
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 6824110
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Loom Harness 6821420
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6947216
BMW 3 Series E93 Convertible Rear Bumper FM Radio Aerial Antenna 6947216
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

Part no. 5A149A9
BMW F40 116d B37B B37C15A 116HP Engine Control Unit Module ECU DME 5A149A9
PLN 1,282.95
Free delivery: Mar 03
If paid before 14:00

Part no. 5A374F9
BMW F40 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 5A374F9
PLN 1,424.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 7822015
BMW G20 G21 G26 330d 430d B57P Diesel Starter Cable Wiring B+ 7822015
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9296780
BMW F20 F21 F30 F31 Control Unit Air Conditioning Module 9296780
Promo price
PLN 55.95
PLN 53.15
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 6986987
BMW Z4 Series E85 Cable Loom Passenger's Door Wiring Harness 6986987 6986982
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9258350
Air Module BMW F20 F21 F22 F30 F31 F32 Control Unit ECU 9258350
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8582280
Engine Control ECU BMW F20 F21 116d N47N 116HP DDE 8582280 Manual Transmission
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9134631
Seat Module BMW E65 E66 Front Seat Control Unit ECU 9134631
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9296975
BMW X5 F15 Control Unit Bracket Boot Trunk Module Unit Mount Holder 9296975
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 8518569-5
BMW F20 F21 F30 F31 N47N 118d 318d 143HP Engine Control ECU DDE 8518569 Manual
Promo price
PLN 332.95
PLN 283.01
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9188853
BMW X5 E70 X6 E71 Battery Earth Cable Ground - Pole Lead L= 490MM 9188853
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6929347
BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin 6929347 6950704
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9345373
BMW F10 Footwell Central Lock Gateway Control Module Unit ECU 9345373
Promo price
PLN 664.95
PLN 398.97
Free delivery: Mar 03
If paid before 14:00

Part no. 8518268
BMW E90 E91 LCI N47N 318d Diesel Engine Control Unit DDE ECU Manual 8518268
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6918567
BMW 7 Series E65 E66 E67 Seat Control Unit Module Heating 6918567
Promo price
PLN 46.95
PLN 44.60
Delivery: Mar 03
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 .