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. 4030026
BMW Z4 E85 Xenon Headlight Resistor Ballast Relay Module Unit 4030026
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2469052403
Mercedes W156 W176 Battery Cable Negative Lead Terminal Harness A2469052403
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 7595179-2
BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key
Promo price
€142.95
€85.77
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9150889
BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
Promo price
€47.95
€40.76
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9233034-SCG
PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. A0009061505
Mercedes W212 W213 W205 W218 Positive Battery Tray Clamp A0009061505
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8512043-1
BMW E90 E91 LCI 318d N47N ECU Kit DDE 8512043 + CAS3 + Key Manual
Promo price
€99.95
€84.96
Free delivery - Tue, Nov 04
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, Nov 04
If paid before 14:00
-15%
Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
Promo price
€51.95
€44.16
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A2038201485
Mercedes W203 Door Control Module Front Right O/S A2038201485
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9380945
Mini Cooper F55 F56 F60 HSD line HU - CID 9380945
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9123739
BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7181313
BMW X1 E84 E90 E91 Door Handle LED Light Lighting Left N/S 7181313
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7520933
Mini Cooper One W10 R52 Wiring Harness Loom Engine 7520933 7531839 7514274
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6865298
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6865298
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A2469017000
Mercedes W176 Windscreen Rain Sensor Unit Module A2469017000
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6923270
MINI Cooper One R50 R53 Control Unit For Radio Remote Control 433MHZ 6923270
Promo price
€51.95
€44.16
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A0061514101
Starter Motor Mercedes W164 OM642 Diesel Engine Starter Actuator A0061514101
Promo price
€42.95
€25.77
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6887752
ICM Air Module BMW F20 F21 F22 F30 F31 Control Unit ECU 6887752
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7603567-1
Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9264573
BMW 3 Series E91 LCI ECU Body Control Module Junction Box H2 9264573
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9244189
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox Telematik ECU 9244189
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9315685
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315685
Promo price
€47.95
€40.76
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 6961363
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961363
Promo price
€113.95
€96.86
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6868598
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Control Unit Module 6868598
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8375408
BMW X5 E39 E53 Steering Column Wiper Switch Stalk 8375408
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9187625
Bluetooth Module BMW E87 LCI E90 Hands Free High MULF2 9187625
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
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
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9168335
BMW X1 E84 Antenna Amplifier Diversity 868 MHZ 9168335
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9134669
BMW E93 Convertible Seat Control Unit Module ECU 9134669 FSV 7.10.0
Promo price
€51.95
€31.17
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7180829
Headlights Control Module BMW E81 E82 E87 Adaptive Xenon Unit ALC 7171789
Promo price
€66.95
€56.91
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9389070
BMW F20 F30 LCI REM Electric Power Distribution Fuse Box Control 9389070
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9279822
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9279822
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9387453
Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
Promo price
€284.95
€242.21
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7527610-5
Mini Cooper One R50 R52 W10 Engine Control Unit DME Manual 7527610
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 3448250
BMW X3 E83 Front Door Window Lifter Regulator Motor Right O/S 3448250
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9371130
BMW F30 Seat Control Unit Seat Module Unit Controller ECU 9371130
Promo price
€47.95
€40.76
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6931687
BMW X5 E70 X6 E71 Fuse Box Power Distribution Electrical Unit Rear 6931687
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8376443
BMW X3 X5 Z4 E46 E53 E83 E85 Switch Cluster Steering Column 8376443
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A1775404007
Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1775404007
Promo price
€67.95
€57.76
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7316535
BMW F20 F22 F30 Sliding Sunroof Drive Motor Unit Webasto 7193398
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 3448827
Mini R55 R56 Radio Boost CD Player Head Unit 3448827
Promo price
€94.95
€80.71
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9252638
BMW E81 E82 E87 E88 E90 E91 E92 E93 Parking Control Module Unit PDC
Promo price
€94.95
€80.71
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6793163
BMW X5 E70 Suspension Module Self Leveling Air Supply Control Unit 6793163
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9115449
BMW X5 X6 E70 E71 Power Junction Box Positive Battery Cable Plus Pole 9115449
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3415414
BMW Mini Cooper One R56 Aerial Antenna Amplifier Diversity Module 3415414
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 8364542
BMW E46 X3 E83 Power Distribution Fusebox Cover Fuse Box 8364542
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9805524-LW
Mini R60 Rear PDC Ultrasonic Parking Sensor Light White 9805524
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9174261
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module ECU 9174261
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 2755516
Battery Mounting Bracket Mini Cooper R55 R56 R57 R60 R61 Clamp Bolt Holder
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9177981
BMW E90 ECU Body Control Module H1 PL2 JBBFE2 9177981
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6988303
BMW F20 F30 E60 E65 X5 E70 X6 E71 E84 Air Wiring Sensor Quality AUC 6988303
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9362848
BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7290719
BMW F40 F54 Cover Battery Vehicle Trim 7290719
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A0009004802
Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1668200689
Antenna Amplifier Mercedes W176 Aerial Module Unit Rear A1668200689
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 4F0035056B
Audi A6 C6 Head Unit Radio CD Player Control Unit Module 4F0035056B
Promo price
€222.95
€133.77
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9261110
BMW F20 F21 F30 F31 Fuse Box Power Distribution Control Unit Box Rear 9261110
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 1477831
BMW Mini Cooper One R50 R52 Intake Silencer Air Filter Box 1477831
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9278279
Mini R55 R56 LCI Instrument Cluster Speedo Navigation Display Screen 9278279
Promo price
€104.95
€89.21
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A1569007702
Signal Actuation Module Mercedes W176 W246 SAM Control Unit ECU A1569007702
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9387624
BMW F20 F21 F30 Sensor Rain Light Solar Condensation 9387624
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9302256
BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 9302256
Promo price
€80.95
€68.81
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9145439
BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-10%
Part no. A0009829608
Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009829608
Promo price
€165.95
€149.36
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9248096
Air Module BMW F01 F02 LCI F06 F10 F11 F13 ECU Control Unit ECU 9248096
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 3456016
Mini R55 R56 R57 R58 R60 Control Unit PDC Parking Sensor Module 3456016
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 6974021
BMW X1 E81 E87 E88 E90 E91 Parking Control Module Unit PDC 6974021
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9311850
BMW 1 3 Series F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9311850
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A1769052400-1
Mercedes W176 Pressure Crash Impact Sensor Control Module A1769052400
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9296494
BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9352861
FEM Unit BMW F20 F22 F30 F32 Control Unit Module ECU Fuse Box 9352861
Promo price
€142.95
€85.77
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9226357-1
Loudspeaker BMW F20 F30 Top-HiFi Door Speaker Tweeter Set Harman Kardon 9226357
Promo price
€42.95
€36.51
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 8V0857273P
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P
Promo price
€56.95
€48.41
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9323554
BMW 1 3 Series F20 F21 F30 Operating Unit Audio FBM Control Unit Panel 9323554
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. A6399003000
Door Module Mercedes Vito W639 Front Right O/S Control Unit ECU A6399003000
Promo price
€56.95
€48.41
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 7248172
BMW 5 Series F10 F11 Drive Window Lifter Motor Front Rear Right O/S 7248172
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9804157
BMW F20 F21 F22 F23 LCi Mid-range Sound Speaker Stereo HiFi
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 7567107
BMW Mini Cooper S R55 R56 Engine Wiring Loom Harness Injection Valve Ignition
Promo price
€66.95
€40.17
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6941986
BMW X5 E53 X3 E83 Mini R50 Central Lock EWS III Immobilizer Module ECU
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. A6401501933
Engine Wiring Mercedes W169 W245 OM640 Cable Loom Harness A6401501933
Promo price
€56.95
€34.17
Free delivery - Tue, Nov 04
If paid before 14:00
-40%
Part no. 9146710
BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
Promo price
€94.95
€56.97
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9207360
BMW E60 E87 LCI E90 Hands-free Bluetooth High Basis MULF2 9207360
Promo price
€66.95
€56.91
Free delivery - Tue, Nov 04
If paid before 14:00
Part no. 9164346
Mini Cooper E60 E70 E93 R55 R56 R60 IBS Negative Battery Lead
€37.95
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9284594
BMW 1 2 Series F20 F21 F30 F30 Mini F56 Front Seat Sensor Mat Left N/S 9284594
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A1779001304
Door Module Mercedes C118 W177 W247 Front Left N/S Control Unit A1779001304
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6758750
BMW E60 E61 E63 E64 DSC Hydro Braking Pump Unit Speed Sensor
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9195246
Electronics Charging BMW E81 E87 E90 E91 Hands Free MULF2 9195246
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 7837273
BMW 1 3 Series E81 E87 E90 E91 PDC Parking Ultrasonic Sensor Le Mans Blau Blue
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6990109
BMW X3 E83 LCI Front Door Speaker Tweeter 6990109
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. A0015423723
Mercedes A E Class W169 W211 Parking Sensor Display Control PDC A0015423723
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 7531809
Mini Cooper One R50 R52 Automatic Gearbox Transmission Signal Control Module
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 6988965
BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Spacegrau 6988965
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00
-15%
Part no. 9251702
BMW 1 2 3 Series F20 F21 F22 F30 F31 F32 Connecting Wire Sat Nav Champ/Mask-CID
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00
-5%
Part no. 9284331-3
Roof Light Mini R55 R56 R60 R61 Operating Control Unit Switch 3455632
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 .