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. 51871158
Vauxhall Combo Fiat Doblo Positive Battery Cable Lead Wire 51871158
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9350003-1
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8512498-1
BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic
€284.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6824108
BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A6519003403-2
Mercedes W906 314CDI OM651.955 143HP Engine Unit Module ECU Kit A6519003403
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8507202
BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8642682
BMW F30 LCI 330e Negative Earth Cable High Voltage Battery 8642682
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7618644
BMW Z4 Series E89 Roadster Petrol N20 Cable Alternator-Starter-Base B 7618644
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2465400508
Battery Cable Mercedes C117 W176 W246 Alternator Wiring Harness A2465400508
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1765406708
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6791131
BMW F01 ICM Module Integrated Chassis Management QL ES Control Unit 6791131
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9284272
BMW F10 Body Control Module Electronic Junction Box 9284272
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2465401950
Battery Base Mercedes C117 W176 W246 Power Fuse Relay Box A2465401950
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2465403505
Door Wiring Mercedes W176 W246 Front Passenger Side Cable Harness A2465403505
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7852144
BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.1-4 7852144
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1729056500
Mercedes-Benz A B Class W176 W246 Aerial Antenna Cable A1729056500
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1179005800
Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800
Promo price
€85.95
€73.06
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118206185
Mercedes E S Class W211 W220 Telephone Hands Free Control Module A2118206185
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1669002700
Parking Brake Module Mercedes W176 W166 Electric Control Unit A1669002700
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A0009001704
Fuel Pump Module Mercedes W176 W204 C207 W212 W246 Control Unit ECU A0009001704
Promo price
€80.95
€68.81
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 9299268-1
BMW F20 F21 F30 F31 F32 Radio Stereo Professional CD DAB Head Unit 9299268
€56.95
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. A0028202426
Mercedes W211 Xenon Headlight Level Control Module A0028202426
€28.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9264917
BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2129009705
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9339274
CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9339274
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2115402105
Battery Cable Mercedes W211 Starter Alternator Wiring Harness A2115402105
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9289637
BMW F10 Rear Window Parcel Shelf Loudspeaker Speaker Left Right N/O/S 9289637
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8506199-3
BMW E60 E61 LCI 520d Diesel N47 Engine ECU Kit DDE 8506199 CAS 3 + Key
Promo price
€170.95
€145.31
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2079010100
Air Module Mercedes W207 C207 Coupe Control Unit ECU A2079010100 5WK43967
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9343687
BMW F01 LCI F07 F10 F11 F25 Safety Control Unit Air Module Bag ECU 9343687
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2513200158-1
Valve Block Mercedes W251 W906 Air Suspension Control Unit Module A2513200158
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8583423
Mini D R60 R61 ALL4 N47N 112HP Engine ECU Control Unit DDE 8583423 Manual
€94.95
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6751504
Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2045407435
Earth Ground Cable Mercedes W204 C207 W212 Line Strap Battery Lead A2045407435
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2215402062
Fuel Pump Module Mercedes ML W164 W204 Petrol Control Unit ECU A2215402062
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8802918
BMW F20 F30 Mini F55 F56 Radio Remote Control Receiver 434 MHZ 8802918
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2079001200
Door Module Mercedes C207 W207 Front Right O/S Control Unit ECU A2079001200
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2079001100
Door Module Mercedes C207 W207 Front Left N/S Control Unit ECU A2079001100
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8C1T18C815AA
Ford Transit Mk7 Radio CD Player Head Unit Autoradio 6000 CD 8C1T-18C815-AA
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8798189-1
Basic Head Unit BMW F45 X1 F48 Mini F55 F56 Sat Navigation Radio Stereo 8798189
Promo price
€218.95
€186.11
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8799259
Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 8799259
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1728200815
Mercedes W204 C207 Centre Console Aux Port Socket Plug Terminal A1728200815
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9314234
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9314234
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9389115
Mini Countryman R60 CAS3 Control Unit Key Reading Module 9389115
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9364552
Seat Wiring BMW F45 X1 F48 Mini F55 F56 Passenger's Side Sensor Cable 9364552
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 7843332
Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332
Promo price
€132.95
€79.77
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 7612815
BMW F10 M5 F12 F13 M6 F07 X5 F15 Starter Motor 428000-8530 12V 7612815
€37.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8658275
Mini Cooper One F54 F55 F56 F57 F60 Starter Motor Engine Petrol 8658275
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A2049009410
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
Promo price
€61.95
€52.66
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A0005459712
Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8511409
BMW F10 F11 N57N Control Unit Module Box Cover Bracket Carrier Mount 8511409
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8634244
Engine Wiring BMW F45 Mini F60 B38 Loom Harness Injection Valve Ignition 8634244
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8611289
Mini Cooper S R56 JCW Coolant Thermostat Adapter Wiring Cable 8611289
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8585731
Engine Wiring BMW F30 F31 F36 N47N xDrive Automatic Gearbox Loom Harness 8585731
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 8652746
Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Engine Control Unit DME 8652746 Manual
Promo price
€446.95
€379.91
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 6C1T-10300-CD
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CD
€66.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8577834
BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic
Promo price
€156.95
€94.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A0005455916
Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9491419
BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
Promo price
€189.95
€161.46
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9192124
BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 8581751
BMW F40 MINI F56 F57 F60 Engine Control Unit ECU Box Top Cover Shield 8581751
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9290013
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9305712
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9305712
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9364729
Mini F55 F56 F57 Battery Cable Positive Wire Lead Cable Terminal 9364729
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 7L0959772D
VW Touareg Phaeton Heated Seat Control Module Unit 7L0959772D
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6CIT-10300-BC
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6CIT-10300-BC
Promo price
€80.95
€68.81
Free delivery - Tue, Oct 07
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 - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1728100011-1
Navigation Processor Mercedes W176 W212 Control Unit Module NTG 4.5 A1728100011
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. A1715409606
Mercedes R171 Wiring Cable Harness Front Passenger Door Wiring Loom A1715409606
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7843349
BMW F10 F11 LCI M5 F06 F13 M6 S63N Cable Alternator Starter Base B+ 7843349
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9322122-2
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9267516
BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9380883
BMW F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9380883
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 5A0BD89
BMW F40 Power Distribution Fuse Box LIN Control Unit Module 5A0BD89
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9354457
BMW F20 F30 F31 F32 Front Seat Control Unit Module ECU 9354457
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8714621
Mini Cooper One F55 F56 F60 Telematics Control Unit Module 8734756
Promo price
€237.95
€142.77
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9365304
BMW F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Control Module 9365304
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
Part no. 8512499-12
BMW X1 E84 xDrive 18d N47 143HP Engine Unit ECU DDE 8512499
€42.95
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 6797439
BMW F07 GT ICM Management Control Unit Module DSC Brakes 6797439
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6853705
BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6853705
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9354289
BMW F45 F46 Mini F60 Sensor For Pedestrian Protection PTS Control Unit 9354289
Promo price
€104.95
€89.21
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9322532
Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 6905639
BMW E65 E66 Japan Mobile Phone Buffer Module ECU J-buf 6905639
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 3414469
BMW X3 E83 Fuse Grouping Front Stick-on Label Diagram 9267980
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 9267980
BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 6805893
Mini F60 Countryman Door Wiring Harness Rear Left Right N/O/S 6805893
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 8635816
Engine Wiring BMW F20 F30 F31 LCI B38 Automatic Gearbox Loom Harness 8635816
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2118205885
Mercedes E-Class S-Class W211 W220 Nokia Phone Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. A2045407135
Earth Ground Cable Mercedes W204 C207 Line Strap Battery Lead A2045407135
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. 9286789
BMW 1 E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9286789
Promo price
€80.95
€48.57
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 7700844253
Renault Relay Module Control Unit Yellow 12V 40A 5 Pins 7700844253
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 7527610-13
MINI One R50 W10 90HP Engine ECU Control Unit Module DME 7527610 Automatic
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-15%
Part no. 9369124
BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00
-5%
Part no. 55571379
Vauxhall Opel Insignia A Diesel Crankshaft Level Sensor Wiring Loom 55571379
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00
-40%
Part no. A2049009614
Mercedes W204 CD Player Radio Navigation Sat Nav Head Unit A2049009614
Promo price
€284.95
€170.97
Free delivery - Tue, Oct 07
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 .