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
Part no. A6394460446
Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6394460446
€47.95
Free delivery - Thu, Oct 23
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 - Thu, Oct 23
If paid before 14:00
-5%
Part no. 3450286
BMW X3 E83 LCI N47 Earth Cable Flow Electric Battery Negative 3450286
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
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 - Thu, Oct 23
If paid before 14:00
-15%
Part no. 9389600
BMW Gran Turismo G32 Radio Aerial Antenna Amplifier AM/FM 9389600
Promo price
€28.95
€24.61
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 4L0910289K
Audi Q7 4L Body Control Comfort Unit Module BCM Unit ECU 4L0907289K
Promo price
€237.95
€142.77
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 8K0959792H
Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
€23.95
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 8P3907357B
Audi S3 8P Xenon Headlight Range Control Module Unit ECU 8P3907357B
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. A6402002770-1
Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
Promo price
€32.95
€28.01
Free delivery - Thu, Oct 23
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 - Thu, Oct 23
If paid before 14:00
Part no. 9143121-1
BMW E81 E87 E90 E91 E92 E60 E61 Loudspeaker Speaker Logic7 L7 HiFi Audio 9143121
€37.95
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. LHD-R56-CARPLAY
Mini R56 R57 Display Screen Instrument Cluster Speedo Android CarPlay 4+64GB LHD
€284.95
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. A1635400382
Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 9392247
BMW 2 4 F22 F23 F82 M2 F82 F83 M4 iDrive Touch TBX Module Holder Mount 9392247
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A6569000200-1
Mercedes W213 E400d OM656.929 Diesel Engine ECU Kit A6569000200 Automatic
Promo price
€569.95
€341.97
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. A1669008506
Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A1669008506
€66.95
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 9264568
BMW E92 LCI Body Control Module Unit PL2RR JBBFE IIIR L1 9264568
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
€23.95
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. A1646803535
Mercedes-Benz M-Class ML W164 B-Pillar Trim Cover Bottom Left N/S A1646801935
Promo price
€32.95
€28.01
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 4G0937517
Audi A6 C7 Fuse Battery Junction Box Fuse Distribution Terminal Centre 4G0937517
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 8574091
BMW F10 F11 520d N47N 184HP Engine Control Unit ECU DDE 8574091 Automatic
Promo price
€85.95
€51.57
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 8X0907159C
Audi A1 8X Impact Sound Actuator Control Module 8X0907159C
Promo price
€32.95
€28.01
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 6978374
Air Module Unit BMW E60 E61 Sensor Control ECU 6978374
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 7243562
BMW F20 F30 Sport Seat Front Heating Mat Element F21 F31 F32 7243562
Promo price
€113.95
€96.86
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 6911038
BMW 3 X5 Series E46 E53 Airbag Side Impact Crash Sensor Bosch 6911038
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 7527610
Mini Cooper R50 W10 116HP Petrol Engine Control Unit ECU DME 7527610 Automatic
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 06F971082F-1
Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
€23.95
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A6519007401-1
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine ECU A6519007401 Key
Promo price
€332.95
€199.77
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. A2469006816
Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469006816
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 8X0959673
Audi A1 8X Windscreen Heating Control Switch 8X0959673
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 9247467
BMW E82 ECU Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. A1179009200
Mercedes W176 Air Module Belts System Control Unit ECU Bosch A1179009200
Promo price
€70.95
€60.31
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 9218702
Rain Sensor BMW F10 F11 Light Solar Fogging Control Unit 9218702
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A6519007401-6
Mercedes SLK R172 250CDI 651.980 204HP Engine ECU Kit Ignition + Key A6519007401
Promo price
€189.95
€113.97
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 3457434-3
Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
Promo price
€332.95
€199.77
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 7512967-1
Mini Cooper R50 R52 R53 Base B Terminal Point Engine Compartment 7512967
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
Promo price
€56.95
€34.17
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A6401500734
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734
Promo price
€113.95
€68.37
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 8K0907551-1
Audi S4 B8 3.0 TFSI 333HP CAKA Quattro Engine ECU Kit 8K0907551 Automatic
Promo price
€246.95
€209.91
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 03F906070GN-2
Audi A1 8X 1.2 TFSI CBZA 86HP Engine Control ECU Kit 03F906070GN Manual
Promo price
€189.95
€113.97
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 9866979
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9866979
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. A2469050201
Mercedes C117 X156 Antenna Amplifier Control Unit Module A2469050201
Promo price
€32.95
€28.01
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 6819651
BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 8582280-4
BMW F20 116d N47N 116HP Engine Control ECU DDE 8582280 Automatic Transmission
Promo price
€56.95
€34.17
Free delivery - Thu, Oct 23
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 - Thu, Oct 23
If paid before 14:00
-5%
Part no. 6814609
BMW 1 3 5 Series F10 F20 F30 Bus Interface Connector Data Terminating 6814609
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 9266350
BMW F01 F02 HiFi System Amplifier Harman Becker Audio Booster 9266350
Promo price
€47.95
€28.77
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 8X0907063AB
Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
€37.95
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. A0009058112
Mercedes C118 W177 W247 Negative Battery Terminal Cable Lead A0009058112
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 420919275-1
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275 1706091849
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 8677250
Battery Starter Cable Mini Countryman F60 Cooper S B48 Positive Plus 8677250
Promo price
€32.95
€28.01
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 7806976-1
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU KIT DDE 7806976 Automatic
€332.95
Free delivery - Thu, Oct 23
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 - Thu, Oct 23
If paid before 14:00
-15%
Part no. A1775408312
Door Wiring Mercedes W177 W247 Driver Side Cable Harness Loom A1775408312
Promo price
€32.95
€28.01
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 6964113
Comunication Module BMW E83 E46 EXCH Telematics Control GSM Bluetooth 6964113
Promo price
€42.95
€25.77
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. A1648205685
Air Module Mercedes ML W164 W251 SRS Control Unit ECU A1648205685
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 059903019H
Audi A8 D4 Alternator Generator Electrical Unit 3.0 TDI Diesel Engine 059903019H
Promo price
€113.95
€68.37
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 7808074
BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel 7803724
Promo price
€94.95
€56.97
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A2229004320
Telematics Module Mercedes C238 Communication Blutooth Control A2229004320
Promo price
€51.95
€31.17
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 03G906056S
Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual
Promo price
€56.95
€48.41
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 8583657
Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 3455306
Mini R57 Cabrio Convertible DWA Alarm System Relay ECU 3455306 65753455306
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 8T0035223AP
Audi A4 S4 B8 Audio Amplifier Sound Booster Control Unit Module 8T0035223AP
€189.95
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 6965290
BMW E90 E92 E93 Switch Cluster Steering Column Cruise Control 6965290
€56.95
Free delivery - Thu, Oct 23
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 - Thu, Oct 23
If paid before 14:00
Part no. BK3T18D815BG
Ford Transit MK8 Radio Head Unit Control Panel BK3T-18D815-BG
€32.95
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 6956672
BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A2535403718
Mercedes X253 Rear Bumper Electrical Wiring Harness A2535403718
Promo price
€66.95
€40.17
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 7220891
BMW E91 LCI Control Unit Module Support Plate Bracket Carrier Holder 7220891
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. A1779002207
Mercedes W177 Rear Left Right N/O/S Door Control Module A1779002207
Promo price
€42.95
€36.51
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. A0015424523
Parktronic Display Mercedes W207 W212 PDC System Parking Sensor A0015424523
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 02E911024C
Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C
Promo price
€47.95
€40.76
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A2829006700
Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic
Promo price
€284.95
€170.97
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A1779061102
Fuse Box Mercedes W177 Relay Fuse Box COntrol Module Unit A1779061102
Promo price
€66.95
€40.17
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 6824110
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Loom Harness 6821420
Promo price
€94.95
€80.71
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 9145350
BMW X3 E83 LCI EWS IV 4.4 Control Unit Module ECU 9145350
Promo price
€66.95
€56.91
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A2519062200-1
Mercedes W251 COMAND Navigation Head Unit Radio Sat Nav Screen A2519062200
Promo price
€332.95
€199.77
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 8627098
BMW F45 X1 F48 Mini F60 Automatic Gearbox Module Control Unit EGS 8627098
€189.95
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 3417160
BMW X3 E83 LCI Cable Alternator Starter Base B 3417160
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 9342033
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
Promo price
€42.95
€25.77
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 9356156
External Ignition Base BMW F20 F30 F32 F33 Power Terminal Distribution 9356156
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 9343287
BMW i3 I01 Mini F56 Air Conditioning System A/C Control Unit Module 9343287
Promo price
€75.95
€64.56
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 8353447
BMW E36 E38 Relay Two Pole Make Contact 8353447
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 919504H071
Hyundai H-1 Fuse Box Module Control Unit ECU 919504H071
Promo price
€66.95
€40.17
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 1K0951253A
VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 6919812
BMW E60 E65 E66 E67 Front Seat Sensor Mat 6919812
Promo price
€28.95
€24.61
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. A2049007508
Mercedes W204 Display Screen Monitor Radio Sat Nav Navigation Unit A2049007508
Promo price
€28.95
€24.61
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. A0045450405
Mercedes W169 W203 W639 W906 Relay 5-Pins Green Control Unit 12V A0045450405
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 5H0971104P
Volkswagen Golf Mk8 CD1 Parking Sensor Wiring Rear Bumper Loom Cable 5H0971104P
Promo price
€32.95
€28.01
Free delivery - Thu, Oct 23
If paid before 14:00
Part no. 9383695
BMW F10 Footwell Light Module Control Unit ECU FRM III TEMIC 9383695
€51.95
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. A2479052503
Mercedes Sprinter W910 Remote Key Control Unit A2479052503
Promo price
€94.95
€80.71
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 8K0907063DH
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
Promo price
€56.95
€48.41
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. 8512292-2
BMW E90 E91 LCI N47N 316d 116HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual
Promo price
€146.95
€88.17
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. A6519002803-3
Mercedes Vito W447 114 CDI OM651.950 Engine ECU Kit Ignition + 2 Key A6519002803
Promo price
€474.95
€403.71
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 9264924
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-15%
Part no. 9244426
BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 9219647
Promo price
€56.95
€48.41
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 9374510
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9374510
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-5%
Part no. 8P0862335S
Audi S3 8P Interface Bluetooth Control Module Harman Becker ECU 8P0862335S
Promo price
€23.95
€22.75
Free delivery - Thu, Oct 23
If paid before 14:00
-40%
Part no. A2469004519
Gearbox Module Mercedes W176 W246 Control Unit ECU Automatic A2469004519
Promo price
€56.95
€34.17
Free delivery - Thu, Oct 23
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 .