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
-5%
Part no. 9130047
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 7599881-4
BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key
Promo price
€165.95
€141.06
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 5A25FC9
BMW G30 Fuel Pump Module Control Unit ECU 5A25FC9
Promo price
€89.95
€53.97
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2205400382
Mercedes CL S Class C215 W220 Fuse Box Unit Front Right O/S Cover A2205400382
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9664016980
Citroen C4 Starter Motor Diesel Engine HDI Actuator Unit 9664016980
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9154349
BMW MINI Clubman R55 Cable Wiring Loom Splitdoor Split Door Rear Left N/S
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A2741504704
Mercedes X253 Engine Wiring Harness Line Supply Line A2741504704
Promo price
€113.95
€68.37
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A4475400600
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400600
€42.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9264917
BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2465400508
Battery Cable Mercedes C117 W176 W246 Alternator Wiring Harness A2465400508
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 1709317
BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8T0919611-1
Audi A4 B8 Head Unit Media Player Controller Knob Switch Panel 8T0919611
Promo price
€66.95
€56.91
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8X0959793F
Audi A1 8X Front Door Module Unit Control Driver's Side Right O/S 8X0959793F
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8K0907551
Audi A4 S4 B8 3.0 TFSI 333HP CAKA Quattro Engine Control Unit ECU 8K0907551
Promo price
€189.95
€113.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8E0035411B
Audi A4 B7 Door Speaker Tweeter Front Left Right N/O/S 8E0035411B
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 6822077
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 6822077
Promo price
€70.95
€60.31
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8W0907063CG
Audi Q5 FY 2.0 TFSI DAXB Petrol Supply Body Control Module Unit 8W0907063CG
Promo price
€56.95
€34.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2128203589
Antenna Amplifier Mercedes W212 Aerial Module Rear Roof Frame Right A2128203589
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A1679007012
Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012
€56.95
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9352861
FEM Unit BMW F20 F22 F30 F32 Control Unit Module ECU Fuse Box 9352861
Promo price
€142.95
€85.77
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 4F0941824
Audi S6 C6 Wirie Cable Fuse Box Holder Support 4F0941824
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8T0862335A
Audi A4 B8 Bluetooth Interface Module Control Unit ECU 8T0862335A
Promo price
€51.95
€31.17
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9264916
BMW E82 E88 E92 E93 LCI Control Unit Airbag ECU NO CRASH DATA 9264916
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8P0035192SX
Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192QX
Promo price
€237.95
€202.26
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 028903025G
Volkswagen Polo 6N Alternator Generator BOSCH 14V 70A 028903025G
Promo price
€61.95
€52.66
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 9267535
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9267535
€37.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A0999008701
Mercedes W177 Steering Column Control Module A0999008701
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2661503133
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661503133
Promo price
€113.95
€96.86
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9159311
BMW 5 Series F10 F11 Mini R55 R56 R57 Door Sensor Airbag 9159311
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8K0907472
Audi A4 B8 Headlight Headlamp LED Module Control Unit 8K0907472
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 7822015
BMW G20 G21 G26 330d 430d B57P Diesel Starter Cable Wiring B+ 7822015
Promo price
€80.95
€68.81
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9329339
BMW F32 Telematics Telephone Control Unit Module Bluetooth TCB ECE 9329339
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 2GA035284B
Audi Q2 GA Online Services Control Module ECU Unit 2GA035284B
€142.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8K0907357A
Audi A5 8T Headlight Range Headlamp Control Unit Module ECU 8K0907357A
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2076822704
Trim Panel Mercedes W212 Dashboard Module Control Unit Cover A2076822704
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9252815
BMW F01 F02 F10 F11 LCI Power Distribution Fuse Box Front 9252815
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A2118704126
Mercedes W221 Door Control Module Right Rear O/S A2118704126
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8476016
Battery Cable BMW X3 G01 X4 G02 Diesel Alternator Starter Positive Cable 8476016
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A1679003811
Door Module Mercedes W205 W213 C253 Front Left N/S Control Unit ECU A1679003811
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 5A130F9
BMW F40 F44 G20 Parking Control Module Unit USS ECU LOW 5A130F9
Promo price
€37.95
€32.26
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9226357-1
Loudspeaker BMW F20 F30 Top-HiFi Door Speaker Tweeter Set Harman Kardon 9226357
Promo price
€42.95
€36.51
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 6R0971537N
Seat Ibiza 6J Battery Ground Line Earth Negative Cable Wiring 6R0971537N
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0009054807
Mercedes W118 W177 W206 W247 NOX Sensor A0009054807
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A1685453532-2
Mercedes W168 A140 ESP + HBA Electronic Stability Control Module A1685453532
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8K0959793J
Audi A4 B8 Door Module Front Right O/S Control Unit Module ECU 8K0959793J
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 2K5951172
VW Volkswagen Caddy Maxi Interior Roof Alarm Sensor Module Unit 2K5951172
Promo price
€108.95
€92.61
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6947216
BMW 3 Series E93 Convertible Rear Bumper FM Radio Aerial Antenna 6947216
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6923215
BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 1439743
BMW E46 X5 E53 E60 E65 X3 E83 Z4 E85 Z3 Cable Alternator Starter 1439743
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7075943-5
BMW 5 7 X5 Series 5 E60 E61 E65 E70 Front Left Seat Height Adjustment Drive N/S
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. A4475400010
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400010
€28.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7618644
BMW Z4 Series E89 Roadster Petrol N20 Cable Alternator-Starter-Base B 7618644
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 8512500-1
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8512500 CAS3 + Key Manual
€336.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2135403839
Mercedes W213 C238 Power Relay Fuse Box Unit Cover A2135403839
Promo price
€56.95
€48.41
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0009828223
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 5Q0907530P
Audi A3 8V Gateway Control Module Unit ECU 5Q0907530P
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 9318579
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9318579
Promo price
€47.95
€28.77
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0009055504-TNG1
Mercedes W166 C207 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A0009006102
Mercedes Vito W639 ECU Control Unit Crash Impact Module Air Module A0009006102
Promo price
€56.95
€48.41
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9298962
BMW F20 F21 F22 F30 F31 F32 F33 F80 M3 Body Control Unit Module REM V5 9298962
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 9231515
BMW F31 Rear Antenna Aerial Amplifier AM/FM DAB 9231515
€89.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8W0959592H
Audi A4 B9 A5 F5 Front Door Module Control Unit ECU Passenger Side 8W0959592H
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 5Q0959393B
Audi A3 8V Front Door Control Module Unit Right O/S 5Q0959393B
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9231399
Camera Module BMW F01 F07 F10 F11 F12 Based Assist Systems Control Unit 9231399
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8580307
BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual
Promo price
€94.95
€80.71
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 6980020
BMW E63 E64 Rain Light Sensor Control Unit Module HUD 6980020
Promo price
€56.95
€48.41
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2055406621
Starter Cable Mercedes W205 GLC X253 Electrical Wiring Harness A2055406621
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A9079001703
Display Screen Mercedes W907 W910 Head Unit Touch Monitor 7" A9079001703
Promo price
€113.95
€68.37
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9805670
Mini R60 Countryman Door Window Lifter Regulator Motor Front Right O/S
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 03G903016F
Audi A4 B8 2.0 TDI Alternator Generator 150A Diesel Engine Unit 03G903016F
€94.95
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 5N0035341G
Volkswagen Golf Scirocco CC Multimedia Interface Module Box 5N0035341G
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 7P5907381B
Porsche Cayenne 92A Front Headlight Xenon Ballast Control Module Unit 7P5907381B
€89.95
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 06N971627B
Audi A3 8Y Engine Injector Module Wiring Harness Cable 2.0 TFSI 06N971627B
€47.95
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 4H0907063CF
Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
Promo price
€47.95
€40.76
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8K0915181L
Audi A1 8X Negative Battery Terminal 8K0915181L
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 8W0959655F
Audi A4 B9 Air Module Crash Control Module Unit ECU 8W0959655F
Promo price
€222.95
€133.77
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 9293307
BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 8W8959107B
Audi Q5 FY Rear Boot Trunk Lid Tailgate Control Unit Module ECU 8W8959107B
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. 4F0919887M
Audi A5 8T Navigation System Car Sat Nav Computer Head Unit 4F0919887M
Promo price
€104.95
€62.97
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9321879
BMW F10 LCI Body Control Module Gateway ECU 9321879
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A2118705189
Sound Amplifier Mercedes W204 W211 W212 C219 Audio Harman Becker AMP A2118705189
Promo price
€42.95
€25.77
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. 575035736A
Seat Ibiza FR Double USB C Charging Port Socket Connection 575035736A
Promo price
€32.95
€28.01
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 9225824
PDC Module BMW E81 E82 E87 E90 E91 E92 Parking Distance Control Unit 9225824
€94.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 8574048
Mini F54 F55 F56 F57 F60 Engine Starter Motor Plug Bracket Holder Mount 8574048
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7795779
BMW 5 Series E60 E61 Cable Alternator Starter Base B 520d Diesel M47N2 7795779
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. A6401501891-1
Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine ECU Kit Key A6401501891
Promo price
€237.95
€142.77
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 9136726
BMW Mini Cooper One R55 R56 Multifuse B Battery Power Distributor 9136726
€23.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 7168153
BMW MINI Cooper One Clubman R55 R55N LCI Wiper Motor Window Left Rear N/S 716815
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9126106
BMW Mini R55 R56 R57 Cabrio Adapter Lead Outside Temperature Sensor 9126106
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 9217004
Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A1688200289
Mercedes W168 Antenna Amplifier Unit Roof Rear Rail A1688200289
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. EXHAUST-FLAP-CONTROL
Audi A3 8V 1.6 TDI CLHA Drive Exhaust Flap Control Module Unit Actuator
Promo price
€28.95
€24.61
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 3D0941329B
Volkswagen Passat B7 Headlight Cornering Module Control Unit 3D0941329B
€51.95
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A0015424623-1
Mercedes-Benz C E A207 W204 W212 1 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. A6397600340
Mercedes Vito W639 Door Handle Cable Catch Bowden Cable Rear A6397600340
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-5%
Part no. 6963014
BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014
Promo price
€23.95
€22.75
Free delivery - Fri, Nov 07
If paid before 14:00
-15%
Part no. A2049005410
Mercedes W204 Sat Nav Radio CD Player Radio Head Unit A2049005410
Promo price
€66.95
€56.91
Free delivery - Fri, Nov 07
If paid before 14:00
-40%
Part no. CVS-012-5
CVS-012-5 Expansion Module Electrical Unit Light Control Module
Promo price
€56.95
€34.17
Free delivery - Fri, Nov 07
If paid before 14:00
Part no. 8576333
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8576333 Automatic
€113.95
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 .