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
-15%
Part no. 9244161
BMW F01 F02 F03 F04 Head Unit Radio Media Player Navigation 9244161
Promo price
€199.95
€169.96
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9166869
Mini Cooper R56 Hands-free Electronics Charging MULF2 9166869
Promo price
€108.95
€65.37
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A1715450032
Mercedes SLK R171 PDC Parking Distance Control Unit Module Sensor A1715450032
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9390501
BMW 3 4 Series F31 F32 F80 M3 F82 M4 LCI USB Charger Adapter Socket 9390501
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7011612
BMW 7 Series E65 E66 E67 Centre Console Coinbox With Vent Storage Compartment
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7570287
BMW Mini Cooper One R55 R56 R57 Earth Ground Battery Strap Cable 7570287
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8589907
Supply Module BMW F40 F48 Mini F55 F56 F57 Integrated Z11 Control Unit 8589907
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A2129008825
Mercedes C204 Fuse Box Control Unit SAM Module Relay A2129008825
Promo price
€113.95
€68.37
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6910719
BMW Z4 E85 E86 CD-Changer Bracket Left N/S Holder Mount Carrier 6910719
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A1697220180
Mercedes-Benz A-Class W169 Door Plug Cover Trim Insert Blank Seal A1697220180
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
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 - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9243212
BMW F10 Light Module Control Unit ECU Lear ZGW-02 Mid Plus 9243212
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9805535
BMW Countryman R60 R61 Centre Console Retaining Bracket Rail Rear 9805535
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8T0919603G
Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603G
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9229847
BMW E70 Door Wiring Front Passenger Door Loom Cables Harness 9229847
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8510221-2
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€227.95
€136.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9346273
BMW F15 Kafas Camera Lane Assist Module Control Unit ECU 9346273
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8589948
BMW G20 G21 Positive Battery Cable Wiring Loom 8589948
Promo price
€56.95
€34.17
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7800167
BMW E70 LCI E90 E91 LCI F10 F11 N57 Lead Preheater Wiring System Diesel 7800167
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 1T0909606
VW Volkswagen Touran 1T Air Module Control Unit Crash Impact Sensor 1T0909606
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 6933162
BMW E65 E66 On-board Navigation Display Monitor Screen 8,8" 6933162
Promo price
€47.95
€28.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8368231
BMW E46 Door Speaker Tweeter Front Left N/S 8368231
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9134646
Seat Module BMW E65 E66 Front Seat Control Unit Module ECU 9134646
Promo price
€42.95
€25.77
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 8512415-5
Mini Cooper D R56 LCI N47N 112HP Engine ECU Kit DDE 8512415 CAS3 Key Automatic
€275.95
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 5A4A1E1
Kafas Camera BMW G20 G30 G28 G80 F40 F44 Front Assist Camera Module 5A4A1E1
Promo price
€170.95
€102.57
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2038270642
Mercedes-Benz CLC-Class CL203 Antenna Amplifier Rear Right O/S A2038270642
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9352786
BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9352786
Promo price
€75.95
€45.57
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6951079
BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. A2189009003
Mercedes CLS C218 Front Headlight Xenon Ballast Control Module Unit A2189009003
€66.95
Free delivery - Mon, Nov 10
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 - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9116978
BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9116978
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. P0148459-IB1
Mini Cooper One 1 R50 Fuel Filler Cover Fill In Flap Indi Blue Metallic 862
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A1729006609-2
Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
Promo price
€151.95
€129.16
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9186215-1
BMW E90 M-Audio Controller System Control Unit Module Navigation 9186215
Promo price
€123.95
€105.36
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A9064461442
Mercedes Sprinter W906 ECU Control Unit Sensor Module A9064461442
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8510829-3
BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual
Promo price
€47.95
€28.77
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 7543157-6
BMW Z4 E85 2.2i M54 170HP Engine Control Module Unit ECU Set 7543157 Manual
Promo price
€237.95
€142.77
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9273671
BMW 4 F33 Cabrio Convertible DAB Digital Radio Aerial Antenna Amplifier 9273671
Promo price
€75.95
€64.56
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A1665400841
Ground Line Mercedes ML W166 Battery Earth Negative Cable Wire A1665400841
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8368167
BMW E38 Inclination Indicator Alarm Tilt Sensor Control Module 8368167
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 4G8959792J
Audi A7 4G8 Door Control Module Front Passenger Side 4G8959792J
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A1645403572-1
Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403572
Promo price
€170.95
€145.31
Free delivery - Mon, Nov 10
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 - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7638005
BMW F20 F30 F32 Earth Ground Cable Negative Battery Lead Wiring 7638005
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A6512011909
Mercedes W212 OM651 Alternator Support Bracket Belt Tensioner Holder A6512011909
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 7852630
Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 7852630
€56.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9118467
BMW X5 X6 Series E70 E71 Seat Backrest Adjustment Adapter Lead Cable 9118467
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7534921-1
BMW 3 X3 Z4 Series E46 E83 E85 Engine Control Unit Box Bottom Part 7534921
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A1728208710
Mercedes W176 W246 Roof Towing Alarm Sensor Switch Module A1728208710
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9382401
BMW F30 LCI 330e Hybrid High Voltage Electronics Unit Holder Support 9382401
Promo price
€37.95
€32.26
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6949226-2
4 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2038219751-2
Mercedes W203 CL203 Roof Alarm Motion Sensor Cover Trim Black A2038219751
Promo price
€24.95
€23.70
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A6421508900-1
Mercedes W212 E350 CDI OM642.852 Engine Control Unit Module ECU A6421508900
Promo price
€222.95
€133.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2075401102
Mercedes W207 A207 C207 Loudspeaker Cable Wiring Loom Harness A2075401102
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 93455416
Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 93455416
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 4H0907182H
Audi A8 D4 4H Front Seat Backrest Control Module Unit ECU 4H0907182H
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9309997
Mini F57 Cabrio Aerial Base Antenna Rod Unit AM / FM / TEL / GPS / DAB-L 9309997
Promo price
€132.95
€79.77
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A1698207226
Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698207226
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 0CQ907554E
Rear Diff Module Seat Leon Cupra 5F VW Golf Mk7 4motion Control Unit 0CQ907554E
Promo price
€113.95
€68.37
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9119357
BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9119357
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9380885
BMW 1 3 4 F20 F30 F32 Control Unit Air Conditioning A/C Module 9380885
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7515206
Mini Cooper One R50 R52 Battery Alternator Starter Cable Wiring 7515206
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A6511501433
Mercedes W176 W246 Glow Plug Wiring Harness Loom OM651 Engine A6511501433
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
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
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9339339
BMW 1 3 F20 F21 F30 F31 Driver Side Seat Wiring Loom Cable Harness 9339339
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6854856
BMW F10 F11 F12 EMF Module Parking Brake Unit Electric Control 6854856
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8576341-10
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual
Promo price
€132.95
€113.01
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9226880
BMW F20 F21 Radio Aerial Antenna Amplifier AM/FM Control Unit Module 9226880
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8647841
BMW F45 X1 F48 Mini F55 F56 F57 Integrated Supply Module Z11 8647841
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9211840
BMW F01 Wiring Loom Cable Harness 9211840
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6949226-1
2 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2045408735
Mercedes W204 Front Seat Air Module Wiring Cable Front Right A2045408735
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2049000300
Mercedes W212 Media Interface Control Unit Module Communication A2049000300
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7798875
BMW X5 Series E70 LCI Ventilation Grommet Unit Box Cover 7798875
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 9383182
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9383182
€199.95
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A9068204126
Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068204126
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8486560
BMW F40 Steptronic Double Clutch Gearbox Transmission Control Module 8486560
Promo price
€227.95
€136.77
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. F20-On-Board-Screen
On-Board Screen BMW F20 F21 F30 F31 Information Display Touch Monitor 8,8"
Promo price
€284.95
€242.21
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6905921
BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
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 - Mon, Nov 10
If paid before 14:00
-5%
Part no. A0025421219
Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A1718300272
Mercedes A B ML Class W166 W169 W245 Interior Temperature Sensor A1718300272
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A4145400130
Mercedes-Benz Vaneo W414 Cable Starter Line Positive Line Battery A4145400130
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6819329
KaFAS Camera BMW i3 I01 F10 F20 F30 LCI Speed Control ECU Module Unit 6819329
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 3455305-1
2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2059051106
Mercedes W205 Antenna Aerial Amplifier Module Receiver AMP Unit A2059051106
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9383176
BMW F20 F30 F34 BCM FEM BSI Body Control Module Unit 9383176
Promo price
€113.95
€96.86
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6850424
BMW X3 F25 ICM Air Module Control Unit SRS ECU 6850424
Promo price
€61.95
€52.66
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8W0907159J
Audi A4 B9 A5 F5 Impact Sound Actuator Control Module 8W0907159J
Promo price
€42.95
€25.77
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 7610009-5
Mini Cooper S R55 R56 N14 1.6 174HP Engine Control ECU Kit DME 7610009 Manual
€450.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6879833
Air Module BMW F20 F21 F22 F30 F31 ECU ICM Control Unit ECU 6879833
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9247467-1
BMW E92 LCI Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2118705726
Air Module Mercedes W211 C219 Air System Control Unit ECU A2118705726
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9165624
BMW E93 Air Module Control Unit Module ECU 9165624
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 9267214
BMW F20 F21 F22 F30 F31 F32 F33 F34 Air Control Unit Module ECU 9267214
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 03G903139D
Audi A4 B7 Engine Alternator Mount Support Bracket 1.9 2.0 TDI 03G903143D
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8K0971687S
Audi A4 B8 Door Wiring Harness Loom Rear Left N/S Cabling 8K0971687S
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A0001594942
Mercedes-Benz C-Class W203 M111 Ignition Coil Cable Connector A0001594942
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8K0959663
Audi A4 B8 A5 8T Voltage Stabilizer Converter Control Unit Module 8K0959663
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
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 .