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. 6791131
BMW F01 ICM Module Integrated Chassis Management QL ES Control Unit 6791131
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7795485
BMW X1 E81 E84 E87 E90 E91 Earth Cable Battery Cable 7795485
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 4H0907801E
AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 5E5035577B
Skoda Octavia 5E Antenna Amplifier Aerial Control Module Unit 5E5035577B
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8W9971104T
Audi A4 B9 Rear Bumper PDC Wiring Parking Sensor Loom Harness 8W9971104T
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 6871062
BMW F01 F07 F10 F12 VDC Module Rear Suspension Level Control Unit 6871062
€47.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7223190
Rear View Camera BMW F07 GT Trim Panel Cover Boot Lid Tailgate 7223190
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8580165
Mini F54 F55 F56 F57 F60 B47 Wiring Harness Engine Glow Plug Module 8580165
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8648843
BMW F45 Mini F60 B38X High Voltage Accumulator Negative Ground Cable 8648843
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 7172536
BMW F01 F10 F11 F20 F21 E90 LCI Control Unit Xenon Light 7172536
€23.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8577243
BMW X3 F25 Battery Cable Wire Lead Positive Alternator Starter X4 F26 8577243
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2118705526
Mercedes W219 Motorola Telephone Control Module DC UHI MOST A2118705526
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2139004009
Mercedes W213 Door Module Front Left N/S Control Unit A2139004009
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A1669005811
Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669005811
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
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Part no. A6395460035
Mercedes Vito W447 W639 Battery Terminal Protection Cap Cover A6395460035
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A9079000704
Body Control Module Mercedes Sprinter W907 W910 SAM BCM Unit ECU A9079000704
€132.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8K0959792A
Audi A5 8T Door Control Module Front Left N/S 8K0959792A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 8691827-2
Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Key Manual
Promo price
€417.95
€250.77
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2045400708
Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 9240352
Side View Camera BMW F10 F30 F31 F32 Front Bumper Video Surround View 9240352
€113.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2218208202
Mercedes W221 Front Centre Dashboard Tweeter Speaker A2218208202
Promo price
€33.95
€28.86
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9274021
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9274021
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8W1959593
Audi Q5 FY Front Door Control Module Unit Right O/S Side 8W1959593
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 9287218
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
€28.95
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 7802261
BMW E60 E61 E81 E87 E90 Alternator Generator Valeo 180A N47 7802261
€37.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6926962
BMW E60 E61 Front Seat Adjustment Switch Right O/S 6926962 6930048
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A2059007815
Mercedes W205 Radio Audio Navi GPS Head Unit A2059007815
€227.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 6868251
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6868251
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7624412
BMW 1 3 Series F20 F21 F30 Cable Alternator Starter Base B Wire 7624412
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A0009822523
Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9113355
BMW E87N E90 E91 Mini Cooper R56 DC/DC Torque Converter Wandler 9113355
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A6395400044
Mercedes Vito W639 Anti Theft Alarm Switch Loom Cable A6395400044
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7801203
BMW X5 E70 E87 F10 F11 F15 F25 F30 Diesel Engine Starter Motor 7801203
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A2465401850
Prefuse Box Mercedes W176 OM607 Fuse Relay Control Unit A2465401850
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 1K0907530G
Audi A3 8P Gateway Module Diagnostic Interface Control Unit ECU 1K0907530G
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2118209626
Mercedes W211 W219 Alarm Control Module Unit ECU A2118209626
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2469012504
Mercedes W176 W246 Rain Sensor Light Control Unit Front Windscreen A2469012504
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8380407-1
BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 022971615B
Audi TT 8J 3.2 V6 BUB Ignition Wiring Harness Guide Trim 022971615B
€42.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6958446
BMW E65 E66 E67 Control Unit Door Front Passenger Side Module ECU 6958446
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9136726-2
BMW Mini Cooper R55 R56 Multifuse B Battery Power Distributor Cable 9136726
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7810863
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 7810863
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 6818814
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6818814
€155.95
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8P0907063G
Audi A3 8P Body Control Module Unit 8P0907063G
€28.95
Free delivery - Tue, Oct 28
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 - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8621190
BMW F20 F22 F30 LCI Electric Line Cable Power Distribution Module 8621190
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7799146
Mini R55 R56 Alternator Supporting Bracket Mount Generator Diesel W16 7799146
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9188377
BMW F01 KaFAS Camera Front Windscreen Lane Departure Camera Module 9188377
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A6549009600-3
Mercedes GLC 220d X253 654.920 194HP 4Matic Engine Control Unit A6549009600
Promo price
€189.95
€113.97
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 5Q0959593D
Audi TT FV A3 8V Door Module Control Unit Front Right O/S Side ECU 5Q0959593D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 4H0907355D
Audi A7 4G A8L 4H Ad Blue Control Module Unit ECU 4H0907355D
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A2229001408
Module Mercedes S205 Trunk Rear Tuner Digital Radio DAB Control Unit A2229001408
€32.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8363668
BMW X3 X5 Series E53 E83 Steering Column Turn Indicator Switch Stalk 8363668
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6974631
BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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 - Tue, Oct 28
If paid before 14:00
-5%
Part no. A0009822723
Mercedes W205 Estate Fuse Relay Box Module Control A0009822723
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6940236
BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6932644
BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2135409616
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 7798034
BMW E60 E65 E87 E90 Starter Motor Engine 7798034
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. A1728202989
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1728202989
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9259831
BMW E93 Convertible Wiring Loom Front Door Cables Cable Passenger Side 9186668
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 8489325
BMW i3 I01 94Ah Rex Hybrid Basic Control Unit Module ECU 8489325
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9253637
BMW 3 5 Series F10 F11 F30 F31 Airbag Control Unit Module 9253637 65779253637
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8586536-6
BMW F30 F32 LCI 335d 435d N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
€398.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8615581
BMW 3 F30 LCI 330e B48X Control Unit Bracket Holder Mount 8615581
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 1K0937125D-1
Audi A3 8P Volkswagen Touran Mk1 Skoda Yeti Engine Fuse Box 2.0 TDI 1K0937125D
€28.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6837092
BMW G30 G12 Fuse Relay Box Rear Trunk Power Distribution B + Box Basis 6837092
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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, Oct 28
If paid before 14:00
-5%
Part no. 6951637
BMW 1 3 SERIES E84 E90 E91 E92 SUCTION PIPE HOSE AIR CON EVAPORATOR COMPRESSOR
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8385164-2
BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6950364
BMW E65 E66 Front Right Door O/S Wiring Harness Carrier 6950364
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 7810002-1
BMW 1 Series E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 7810002 Manual
Promo price
€332.95
€199.77
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A2469008113
Mercedes GLE X156 4Matic Transfer Control Unit Module ECU A2469008113
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9270355
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 4H0951253
Audi A3 8P Multi Use Control Module Relay 4 Pin Light Green Unit 4H0951253
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 4F0907280E
Audi Q7 4L On Board Power Supply Control Module Unit ECU 4F0907280E
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 8631672
BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness
€94.95
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 80A959655N
Audi Q5 FY Air Module Control Unit SRS System ECU 80A959655N
Promo price
€208.95
€125.37
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8482940
BMW F30 LCI G11 G30 Battery Cell Supervision Circuit Module Unit 8667593
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. A2218207389
Mercedes W221 Seat Headrest Display Monitor Rear Entertainment Unit A2218207389
Promo price
€218.95
€131.37
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 80A907777N
Audi Q5 FY Active Suspension Module Damping Chassis Control Unit EFP 80A907777N
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 28
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 - Tue, Oct 28
If paid before 14:00
-5%
Part no. 7255724
Xenon Module BMW E63 E83 E92 Mini Cooper R56 R55 R57 Light Control Unit 7255724
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 9348358
BMW E60 Body Comfort Control Unit DDE Module ECU 9348358
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9216468
BMW F10 F11 F20 F30 F31 Front Seat Heating Control Module ECU 9216468
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9348726
BMW F20 F21 F30 Air Module Control Unit 0285013626 9461918 9296494 6826983
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
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, Oct 28
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 - Tue, Oct 28
If paid before 14:00
-15%
Part no. 7473684
Door Cable BMW F25 F26 Right O/S Wiring Loom Harness Handle Light Lamp 7252538
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 9191408
BMW X1 Series E84 Wiring Cable Loom Set Rear Door Left Right N/O/S 9191408
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A2095450032
Mercedes-Benz C S203 W203 Parking Sensor Distance Control Module A2095450032
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. A2049001813-1
Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049001813
€89.95
Free delivery - Tue, Oct 28
If paid before 14:00
-15%
Part no. 8516122
Battery Cable BMW X5 F15 X6 F16 Alternator Starter Wiring Loom Harness 8516122
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 28
If paid before 14:00
Part no. 3T1T-14301-AF
Ford Transit Connect Negative Battery Terminal Cable Wiring 3T1T-14301-AF
€32.95
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 8736682
BMW i3 I01 Body Domain Comfort Control Unit BDC Module ECU 8736682
Promo price
€313.95
€188.37
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. A1175450800
Negative Battery Terminal Mercedes C117 W176 W246 Lead Connector A1175450800
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 8K0959663B
Audi A5 8T Voltage Converter Stabilizer Control Module Unit ECU 8K0959663B
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 28
If paid before 14:00
-40%
Part no. 4E0910552G
Audi S8 D3 5.2 FSI 450HP BSM Quattro Engine Unit ECU 4E0910552G Automatic
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 28
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 .