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. A2218707386
Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2129005212
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129005212
Promo price
€218.95
€186.11
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8605456
Engine Wiring BMW F21 F30 LCI F36 N20 Loom Module Harness Cable 8605456
Promo price
€42.95
€36.51
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9361654
Radio Player Mini F55 F56 CD Bluetooth DAB Control Unit Module 9361654
Promo price
€118.95
€101.11
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 1K0907719C
Audi A3 8P Anti Theft Alarm System Control Module Unit ECU 1K0907719C
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2218230050
Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9181453
BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181453
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9120788
BMW 5 Series E60 E61 Wiring Loom Harness Passenger Side 9120785
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9203304
BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9207857
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A2129014606-1
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
€80.95
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 7P5971694D
Porsche Cayenne 92A Rear Door Wiring Harness Loom Cable Right O/S 7P5971694D
€28.95
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 373004A310
Hyundai H-1 2.5 CRDI Alternator Generator 373004A310
€37.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8512499-12
BMW X1 E84 xDrive 18d N47 143HP Engine Unit ECU DDE 8512499
Promo price
€42.95
€36.51
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
€32.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9298960
REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9196938
BMW E93 Seat Control Module Unit ECU 9148266
Promo price
€51.95
€44.16
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8639595-2
BMW F30 320i F32 420i N20 184HP Engine ECU Control Unit DME 8639595 Automatic
Promo price
€446.95
€268.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A6394405009
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405009
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2124400613
Wiring Harness Mercedes W212 Dashboard Dash Wiring Cable A2124400613
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 4H0937555
Audi A8L 4H Fuse Box Relay Chamber Lower Cover Lid Housing 4H0937555
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A1775405710
Parking Sensor Wiring Mercedes W177 W247 Rear Bumper PDC Loom Cable A1775405710
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9228491
BMW 5 Series F10 ECU Body Control Module V2 Junction Box 61359228491 9228491
Promo price
€66.95
€40.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0009050338
Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050338
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9280186
BMW 5 7 Series F10 F11 F01 F02 F03 LCI Airbag Control Module ECU Unit 9280186
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 9286129
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 9286129
Product currently unavailable
-40%
Part no. 9287265
BMW F10 M5 Active Sound Unit Control Module Design Amplifier 9287265
Promo price
€89.95
€53.97
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8506434-4
BMW E81 E84 E87 E90 LCI 18d 118d 318d N47 ECU Kit DDE 8506434 CAS3 Key Automatic
Promo price
€251.95
€151.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9114342
Distance Control Sensor BMWE81 E87 E90 PDC Parking Sensor Montego Blue 9114342
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A1644400937
Mercedes ML W164 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1644400937
Promo price
€56.95
€48.41
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8518802
BMW F30 F31 330dX N57N Engine Gearbox Module Wiring Cable Loom Harness 8518802
Promo price
€70.95
€42.57
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6935667-1
BMW Z4 Series E85 Roadster Battery Lead Positive Cable Plus Pole 6935667
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 5Q0959592L
Volkswagen Golf Mk8 Front Door Passenger Side Module Control Unit 5Q0959592L
€28.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2215457832
Mercedes W221 Steering Column Wheel Angle Sensor Control Unit A2215457832
Promo price
€80.95
€68.81
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9274276
BMW F07 Gran Tourismo Headlight Footwell Light Control Module FRMIII 9274276
Promo price
€51.95
€31.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9159310
BMW F10 Central sensor LOW 9159310
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A2039000100
Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2039000100
Promo price
€113.95
€68.37
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8K0959793H
Audi A4 B8 A5 8T Door Module Control Front Unit ECU 8K0959793H
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A1775404507
Mercedes V177 C118 W247 Fuse Box Relay Control Unit Module A1775404507
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0005401203
Mercedes GLC 300e X253 Coupe Hybrid Electrical Battery Wire A0005401203
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 6960428
BMW 3 5 6 Series E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960428
Promo price
€225.95
€135.57
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 7851568
BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568
Promo price
€75.95
€45.57
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2118703385
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703385
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A2189002002
Mercedes X218 CLS350 Automatic Trunk Lid Clossing Control Module A2189002002
Promo price
€85.95
€51.57
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9127088
BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 6972065
BMW E91 Touring Ultra Sonic Burglar Alarm System Sensor Module 6972065
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6955116-BAQ
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Barriquerot 6955116
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8654977
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977
Promo price
€175.95
€149.56
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 4L2035670J
Audi Q7 4L Head Unit Radio Player Navigation Control Module Alpine 4L2035670J
Promo price
€564.95
€338.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A1645402372
Mercedes W164 W251 Fuse Relay Module Rear Fuse Box Unit A1645402372
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9234087
BMW E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor Control Unit 9234087
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A0009003505
Module Mercedes W205 Fuel Pump Control Module In Trunk Rear ECU A0009003505
Product currently unavailable
-15%
Part no. A0018204535
Microphone Mercedes W639 W906 Hands-Free Interior Mic Unit A0018204535
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2129004407
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129018103
Promo price
€56.95
€48.41
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9242072
BMW X6 E71 Door Wiring Harness Loom Cables Driver's Side 9242072
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8515494
BMW 5 Series F10 F11 530d N57N Cable Alternator Starter Base B+ 8515494
Promo price
€31.95
€27.16
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. YC1A14B321CC
Ford Transit MK6 Restraints Control Module Air Module Unit YC1A14B321CC
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2054400534
Mercedes C205 Bumper PDC Wiring Loom Rear Parking Sensor A2054400534
Promo price
€66.95
€56.91
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9459681
Seat Module BMW F20 F30 F32 F33 X1 F48 X5 F15 Front Control Unit ECU 9459681
Promo price
€151.95
€91.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0009054807-2
Mercedes W118 W177 W206 W247 NOX Sensor Electronics Module A0009054807
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6928934
Antenna Amplifier BMW E82 E90 E92 Diversity Signal Boost 6928934
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2074405433
Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2058200704
Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8672514-1
BMW F80 M3 F82 F83 M4 431HP Engine Control ECU Kit DME 8672514 + FEM Module Key
Promo price
€1,139.95
€683.97
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8577834
BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic
Promo price
€156.95
€94.17
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 7599881-15
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
Promo price
€56.95
€48.41
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9303594
BMW Z4 E89 Anti Theft Alarm System Module Control Unit DWA 9303594
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 03L906019AG-1
Audi A6 C6 2.0 TDI CAHA 170HP Engine ECU Kit 03L906019AG Ignition + Key Manual
Promo price
€218.95
€131.37
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8D0951253
Audi Q7 4L Relay Unit Module 4 Pins 8D0951253
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9199996
Holder BMW F13 TV Video Switch Control Module Unit Bracket Mount 9199996
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2515400524
Mercedes W251 Fuse Relay Electrical Box Housing Cover A2515400524
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6983075
BMW F01 F07 F10 F30 LCI Fan Motor For Amplifier Control Unit Module Controller
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8627098
BMW F45 X1 F48 Mini F60 Automatic Gearbox Module Control Unit EGS 8627098
Promo price
€189.95
€113.97
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 6983335-1
BMW E39 E46 E53 6-disc CD Multi Changer Control Unit Modul With Magazine 6983335
Promo price
€66.95
€40.17
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 7649131
BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
Promo price
€237.95
€202.26
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A2439008400
Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400
Promo price
€56.95
€34.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6914396
Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6914396
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
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 - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0045428718-1
Mercedes W203 W211 Parking Distance Sensor PDC Iridium Bright Silver
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2465401205
Mercedes-Benz A B W176 W246 Left N/S Parking Brake Electrical Wiring Cable
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A2229005415
Mercedes W205 W213 W222 Comunication Module Telematic Bluetooth A2229005415
Promo price
€75.95
€45.57
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6907329
BMW E65 Door Cable Guide Rear Left N/S Wiring Loom Bracket Trim Cover 6907329
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2055455100
Mercedes W205 W213 C238 Power Distribution Unit Busbar Connector A2055455100
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A6511504133
Mercedes W204 W212 Engine Wiring Diesel Harness Loom Cable E250 CDI A6511504633
€94.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8571036
Mini F54 F55 F56 F57 Wiring Harness Engine Supply Module 8571036
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9220695
BMW X5 X6 E70 E71 Control Unit Module Top Rear Side View Camera 9220695
Promo price
€66.95
€56.91
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A2229002921
Mercedes W205 W213 Head Unit Navigation Radio DAB High Control Unit A2229002921
€398.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A6519007703
Mercedes W906 Glow Plug Relay Module Unit A6519007703
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2078200075
Antenna Mercedes W212 Keyless Go Comfort Access Antenna Module Unit A2078200075
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 3451925-1
Mini Cooper One R55 High SPEG DC/DC M3 Fuse Distribution Box 3451925
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8633997
Ground Line BMW G11 G12 G20 G30 G31 Battery Earth Cable Wire 8633997
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2049060405
Mercedes W204 Front Fuse Board Box Relay Unit Case A2049060405
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9227766
BMW F11 Touring Tailgate Spoiler Probe AM/FM Sensor 9227766
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2218705087
Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8509910
BMW X3 F25 X4 F26 Engine Electronics Control Unit Box Cover Trim 8509910
Promo price
€26.95
€25.60
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9119446
BMW E81 X1 E84 E87 E90 E91 E92 Fuse Box Power Distribution Unit Front 9119446
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6936649
BMW 1 3 X1 Series E81 E84 E87 E90 E91 LCI Power Distribution Box Black 6936649
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 7540369
BMW E46 N46 Wiring Harness Engine Gearbox Module Loom Cable 7540369
Promo price
€94.95
€56.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9253482-2
BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .