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. A2129014606-1
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
€80.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 373004A310
Hyundai H-1 2.5 CRDI Alternator Generator 373004A310
€37.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
€32.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 7L0909606D
Volkswagen Touareg 7L Front Impact Crash Sensor Right Left N/O/S 7L0909606D
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6974245
BMW MINI Cooper Clubman R55 R55N LCi Retaining Bracket Safety Belt Rear Left N/S
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 9284421
BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid 9284421
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8661071
BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8661071
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 9399427
Radio Head BMW F20 F21 F22 F30 F31 Unit Basic Media Navigation Headunit 9399427
€80.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8518269-6
BMW E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8518269 Manual
Promo price
€161.95
€97.17
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 5WA962133F
Audi Volkswagen Seat Keyless Entry Module Aerial Antenna 5WA962133F
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8J0971237A
Audi TT 8J Starter Motor Negative Battery Wiring Harness Cable 8J0971237A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A6397600104
Bowden Cable Mercedes W639 Vito Door Handle Catch Top Rear Left Wire A6397600104
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 1489995
Mini Cooper R50 R52 R53 Starter Motor W10 1.6 Petrol Engine 1489995
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8T8971845
Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 7515197-1
Mini Cooper One R50 W10 Battery Cable Wiring Plus Pole 7515197
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 9252640
Mini Cooper R55 R56 R57 R60 R61 Control Unit PDC Parking Sensor Module 9252640
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9271216
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9271216
Promo price
€66.95
€40.17
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A2389058501
Antenna Mercedes A205 Convertible Telephone Antenna Module A2389058501
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4E0910336MX
Audi A6 C6 Bluetooth Multimedia Interface Control Module Unit ECU 4E0910336MX
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 9118468
BMW X5 X6 Series E70 E71 Seat Backrest Adjustment Adapter Lead Cable 9118468
Promo price
€27.95
€26.55
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9264573-2
BMW X1 E84 ECU Body Control Module Unit Junction Box H2 PL2RR JBBFE IIIR 9264573
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2049006003
Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049006003
Promo price
€218.95
€131.37
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9348935
BMW X1 F45 F48 Mini F55 F56 F60 Air Module Control Unit Module ECU 9348935
Promo price
€151.95
€91.17
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8W0959595M
Audi A4 B9 A5 F5 Door Module Rear Right Left N/O/S Control Unit 8W0959595M
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8370933
BMW 3 5 6 Series E60 E61 E63 E90 Support Bracket Navigation Computer 8370933
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 4S4112A650BC
Ford Transit Connect 1.8 Diesel Engine Control ECU Module Manual 4S4112A650BC
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A1245401850
Mercedes W124 M103.940 Engine Fuse Box Module Unit A1245401850
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9208452
Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452
Promo price
€70.95
€42.57
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2469003014
Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469003014
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2129004203
Mercedes W212 Boot Lid Control Unit Trunk Lid Module A2129004203
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8576341
BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Control ECU DDE 8576341 Manual
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 420919275-BLM
Audi A5 8T Rear Bumper PDC Parking Distance Sensor Black Magic Pearl - C9Z
€23.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8507981
BMW F07 GT F10 F11 Engine Wiring Loom Harness Cables M57Z Diesel 8507981
€184.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A6519000601-1
Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
€284.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9866980
BMW F20 Body Control Unit Module REM Fuse Box 9866980
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2129006318
Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2129006318
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6G9T-14B192-EA
Ford Fiesta Transit Relay 4-Pin Grey FoMoCo Unit 6G9T-14B192-EA
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 4F0907280A
Audi A6 C6 On Board Onboard Supply Module Control Unit ECU 4F0907280A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 7391043
BMW F10 X1 F48 Mini F54 Rear Tailgate Smart Opener Bottom Wire Sensor 7391043
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6962783
Mini Cooper One R50 Cable Harness Wiring Loom Door Front Left N/S 6962783
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A2389000401
Mercedes C238 E53 Coupe Window Lifter Comfort Module Unit Rear A2389000401
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 1J0927841
Audi Volkswagen Seat Skoda ESP Relay Unit Grey 444 1J0927841
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8U0959655D
Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
€47.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 9348411
BMW X3 F25 Hifi System Audio Sound Amplifier AMP Module Unit 9348411
€108.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8P0035613
Audi A3 8P Bluetooth Module Multimedia Control Unit Cover Unit 8P0035613
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 0165459232
Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A6397600204
Bowden Cable Mercedes W639 Door Handle Catch Top Rear Right O/S Wire A6397600204
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A6519062800
Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9221861
BMW E90 E91 E93 LCI Front Left Right N/O/S Seat Control Module ECU 9221861
Promo price
€75.95
€45.57
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9240943
Mini Cooper R55 R56 LCI R60 Electrical System Fuse Distribution Box 9240943
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6931687
BMW X5 E70 X6 E71 Fuse Box Power Distribution Electrical Unit Rear 6931687
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 04L907309AB
Audi Q3 8U 2.0 TDI DFUA 184HP Quattro Engine Control ECU 04L907309AB Automatic
€66.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6778809-1
Mini Cooper One R55 R56 R57 Xenon Headlight Level Sensor 6778809
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8573779-1
BMW F30 330dX 258HP N57N Control Unit Module ECU DDE 8573779 Key FEM Automatic
Promo price
€308.95
€185.37
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 7273667
BMW F30 F31 F32 Rear Tailgate Smart Opener Lower Antenna 7273667
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8809737
PDC Wiring BMW X4M F98 G02 Rear Bumper Parking Assistance Sensor Harness 8809737
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8573258-1
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
Promo price
€170.95
€145.31
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A1729003106
Mercedes SLC R172 Parktronic Parking Sensor Module Unit ECU A1729003106
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A1645400350
Mercedes-Benz M-Class ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9317176
REM Module BMW F20 F30 Rear Electronic Fuse Box Control Unit V2 ECU 9317176
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A9069005103
Mercedes Sprinter W906 Radio CD Player Audio Bluetooth Head Unit A9069005103
€127.95
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A2218708285
Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708285
€560.95
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8J0035456
Audi S5 8T Antenna Amplifier Aerial Control Module Unit ECU 8J0035456
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A6429005601
Mercedes C207 Glow Plug Relay Unit Control Module A6429005601
€56.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9808714
Mini Cooper One R56 R55 R58 R60 Airbag ECU Control Module Unit 9808714
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8586569
BMW F20 F21 F30 F31 LCI Gearbox Transmission Harness Wiring Loom Cable 8586569
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6956744
BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9459673
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 7943747
Promo price
€61.95
€37.17
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8691838-1
Mini F54 F55 F57 B48 136HP Petrol Engine Control ECU Kit DME 8674258 Manual
€284.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A2059008826
Mercedes C205 SAM Module Rear Comfort Control Unit ECU A2059008826
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 8474730
BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 190HP ECU DDE 8474730 Automatic
€341.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 7273666
BMW F30 F31 F32 Rear Tailgate Smart Opener Upper Antenna 7273666
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. 39113-2A511
Kia Ceed I 1.6 CRDI 115HP D4FB Diesel Engine Control ECU 39113-2A511 Manual
€32.95
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 8606306
BMW F10 F11 F30 184 HP Petrol N20 Engine Control Unit ECU DME 8606306 Manual
Promo price
€398.95
€239.37
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A0004461160
Mercedes Sprinter W906 FleetBoard Onboard Time Recorder Control Unit A0004461160
Promo price
€132.95
€79.77
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9362395
BMW F20 F30 F31 F34 Electrical Body Control Unit Module REM V2 9362395
Promo price
€42.95
€25.77
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A0005400764
Mercedes W205 Battery Negative Ground Bonding Line Wire Earth Cable A0005400764
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A2215403110
Mercedes W221 Positive Battery Cable Wire A2215403110
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
Part no. A6511504133
Mercedes W204 W212 Engine Wiring Diesel Harness Loom Cable E250 CDI A6511504633
€94.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. A2479009412
Bluetooth Module Mercedes W247 W447 Multimedia Control Unit ECU A2479009412
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A1729007500
Mercedes W204 Seat Module Memory Control Unit Front Left N/S A1729007500
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6958449
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 61356958449 6958449
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 7M0951253C-1
VW Volkswagen T5 Audi Seat Skoda Relay Black Control Unit 5 Pin 12V 7M0951253C
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 6923502
Mini R50 One D Diesel W17 Cable Starter Base B- Wire 6923502
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 8681185
BMW F40 F44 F46 X1 F48 Mini F54 F56 F57 F60 Engine Wiring Loom Harness 8681185
Promo price
€42.95
€36.51
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 9187647
BMW E82 E90 E92 LCI Antenna Amplifier Diversity 9187647
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 8K0959795A
Audi A4 B8 Rear Door Module Control Unit ECU Left N/S 8K0959795A
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 3424581
BMW X3 Series E83 Airbag Control Unit Module ECU 65773424581 3424581
Promo price
€36.95
€31.41
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 9303543
BMW F20 F30 F31 Fuse Box Electrical Power Distribution 9303543
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. 37820-P73-013
Honda Integra Type R JDM DC2 Engine Control Unit Module ECU 37820-P73-013
Promo price
€379.95
€227.97
Free delivery - Tue, Oct 21
If paid before 14:00
-40%
Part no. A2118704626
Driver Seat ECU Mercedes W203 A209 W211 Memory Control Unit Module A2118704626
Promo price
€132.95
€79.77
Free delivery - Tue, Oct 21
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 - Tue, Oct 21
If paid before 14:00
Part no. 9304007
BMW G30 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 9304007
€32.95
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 7410612
BMW F34 GT Tailgate Lift Module Rear Boot Trunk Lid Control Unit ECU F005V01708
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 6927548
BMW Z4 E85 Drive For Window Lifter Motor Front Right O/S 6927548 9116626
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 21
If paid before 14:00
-15%
Part no. 6821135
BMW F20 F21 F22 F30 F31 Head Unit Media DAB Navigation Business Headunit 6821135
Promo price
€113.95
€96.86
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 9315151
BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. 1J0919506M
Volkswagen Skoda Seat Audi Radiator Cooling Fan Relay Control Unit 1J0919506M
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
If paid before 14:00
-5%
Part no. A1765406708
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 21
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 .