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. A2059006330
Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006330
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6836210
Telematics Control Unit Mini F54 F55 F56 F57 F60 Module 84106836210 6836210
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8385157
BMW X3 E46 E83 LCI Start Point Housing Bracket Base B 8385157
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2128204926
Mercedes W212 Crash Impact Air Module Sensor Front Unit A2128204926
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6925936
BMW 5 Series E60 E61 Wiring Loom Harness Co-Drivers Passenger Side 6925936
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0131546802
Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
Promo price
€66.95
€56.91
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0009060401
Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8U0955559B
Audi A5 8T Windscreen Rain Sensor Control Unit 8U0955559B
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9331207
BMW F20 CD DAB Radio Bluetooth Head Unit 9331207
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 3450343
Ultra-sonic Alarm Mini Cooper R55 R56 System Module 3450343
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9171948
BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6850955
Brake Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6850955
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A1669008606
Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
Promo price
€85.95
€51.57
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7311541
BMW 2 Series F22 F87 M2 Rear Third Stoplamp Stop Lamp Brake Light White 7311541
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2661540902
Alternator Generator Mercedes W169 W245 Engine 115A 14V A2661540902
Promo price
€75.95
€64.56
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0055421218
Crash Sensor Mercedes W176 W204 W212 Impact Airbag Unit Module A0055421218
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9677006780
Citroen Berlingo B9 1.6 HDI 9HN Engine Control Unit ECU EDC 9677006780 Manual
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 1T0909606
VW Volkswagen Touran 1T Air Module Control Unit Crash Impact Sensor 1T0909606
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. P0148459-IB1
Mini Cooper One 1 R50 Fuel Filler Cover Fill In Flap Indi Blue Metallic 862
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A6512011909
Mercedes W212 OM651 Alternator Support Bracket Belt Tensioner Holder A6512011909
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00
-15%
Part no. F20-On-Board-Screen
On-Board Screen BMW F20 F21 F30 F31 Information Display Touch Monitor 8,8"
Promo price
€284.95
€242.21
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9165624
BMW E93 Air Module Control Unit Module ECU 9165624
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8K0959663
Audi A4 B8 A5 8T Voltage Stabilizer Converter Control Unit Module 8K0959663
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6998487
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6998487
Promo price
€155.95
€132.56
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0141541102
Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102
Promo price
€94.95
€80.71
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9224866
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6934648
BMW X5 E70 E91 LCI Touring Tailgate Trap Circuit Aerial Amplifier 6934648
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A0009004613
EGR Module Mercedes W177 W205 Exhaust Gas Recirculation Unit ECU A0009004613
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9289580
Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen CID 8,8" 9289580
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2465411005
Battery Cover Mercedes C117 W176 W246 Box Trim Lid Panel Housing A2465411005
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2038301613
Mercedes C CLK Class W203 C209 Engine Bay Fuse Box Right O/S Cover A2038301613
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2049060305
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049060305
Promo price
€108.95
€65.37
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6794618
EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 8506281
BMW E81 E87 E90 LCI 116d 316d 118d 318d N47 Engine ECU DDE 8506281 Manual
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 1K0915333H
Audi A3 8P Battery Box Tray Housing Holder Bracket Cover Mount 1K0915333H
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1665420018
Battery Cable Mercedes W176 Negative Lead Wiring Harness Control A1665420018
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2479007708
Rain Sensor Mercedes C118 W177 W247 Front Windscreen Light Unit A2479007708
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9124583-KAS
BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor Kaschmir Silver A72 9124583
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2045402710
Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 2753721
Mini R55 R56 Electric Window Lifter Actuator Motor Door Left N/S 2753721
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7638477
Ignition Coil BMW E81 E87N LCI E90 E91 E92 F10 F11 Bosch 7638477
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9866979
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9866979
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A2465400082
Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465400082
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1729007600
Seat Module Mercedes W204 Front Right O/S Memory Control Unit A1729007600
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1698209126
Door Module Mercedes W169 W245 Rear Left N/S Control Unit A1698209126
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7522284-1
Mini Cooper One R50 R52 W10 1 Battery Cable Plus Pole 7522284
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1729007500
Mercedes W204 Seat Module Memory Control Unit Front Left N/S A1729007500
Promo price
€51.95
€44.16
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9335347
BMW F20 F21 F30 F31 Radio Player CD DAB Head Unit Audio Player 9335347
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9337880
BMW F20 F22 F30 Rear Electric Power Distribution Fuse Box 9337880
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2465405933
Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 1J6035111
VW Volkswagen Touareg 7L Golf 4 CD Changer 1J6035111
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2025402373
Mercedes W169 W203 W204 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2125420018-TNG
Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey - 755 A2125420018
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A6519007500-3
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
Promo price
€313.95
€188.37
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6935600
BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A0025422319-1
Mercedes Universal TYCO Relay Module 12V V23134-B52-X309 A0025422319
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9243922
BMW E81 E87 E90 E91 LCI Professional CD Radio With Bluetooth 9243922
Promo price
€189.95
€161.46
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 7575579
BMW X5 X6 Series E70 E71 Cable Wiring Harness Rear Differential Axle 7575579
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 5Q0959592D
Door Module Audi A3 8V VW Golf 7 Seat Leon 3 Front Right O/S 5Q0959592D
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6766003
BMW X3 E83 Z4 E85 E86 Fuel Pump Module Control Unit 6766003
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9231175
Diversity Antenna Amplifier BMW F30 F32 Rear Window DAB Module Unit 9231175
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A0009063903
Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6902285
BMW E39 E87 E90 E91 Trigger Contact PDC Sensor Tweeter Gong 6902285
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 3454345
Mini Cooper S Cabrio R57 R57N LCI Airbag ECU Control Unit Module 3454345
Promo price
€108.95
€92.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 8506434-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS 3 Key 8506434
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9315150
BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6906624
BMW E87 E90 E91 Power Distribution Fuse Box Front 6906624
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6915886
Air Module Mini R50 R53 Side Control Unit ECU 6915886
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6985748
BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6985748
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 7199998
Mini R52 Cabrio Convertible Folding Top Roof CVM Module Control Unit 7199998
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9382417
BMW 1 2 3 5 F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Module 9382417
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9186170
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 9316575
BMW 1 2 Series F20 F21 F22 Battery Cable Lead Positive Underfloor 9316575
Promo price
€75.95
€45.57
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9229240
Radio Business BMW E81 E87 E90 LCI CD Player 9229240
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 7253188
BMW E92 Sport Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2469003417
Parking Brake Module Mercedes W176 W231 W246 Electric Control Unit A2469003417
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. A2048707658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6921415
BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6921415
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-40%
Part no. 7823420-1
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
Promo price
€227.95
€136.77
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A9075450100
Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
Promo price
€75.95
€64.56
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2469008516
Parking Brake Module Mercedes W176 W246 Electric Control Unit ECU A2469008516
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 8647255
BMW F20 LCI F21 F22 Integrated Supply Control Module Unit 8647255
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 6826790
BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9387565
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 9154331
BMW MINI Clubman R55 Cable Wiring Loom Splitdoor Split Door Rear Right O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7618677
Battery Lead Cable BMW E81 E84 E87 RR1 RR2 RR3 Negative IBS 7618677
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7075907
BMW Z4 E85 Left N/S Contact Bush 7075907
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 8574102
BMW F20 F21 F30 F31 F32 Starter Motor Engine Actuator N47N Diesel 8574102
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. 9303546
BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1725420023
Mercedes W176 W204 W246 Front Parking Sensor Display Control PDC A1725420023
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00
-40%
Part no. 3456946
Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9270726
Promo price
€170.95
€102.57
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7530354
Mini Cooper R50 R52 Power Steering Pump Power Cables 7530354
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 1388911
BMW E36 E38 E21 E85 R52 R57 Change-Over Contact Relay Violet 1388911
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A2059068501
Mercedes W205 Fuse Box Rear Relay Electrical Control Unit Box A2059068501
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 6906548
Mini Cooper R56 Electrical System Fuse Distribution Box 6906548
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-15%
Part no. A1179001801
Mercedes W176 Air Module System Control Unit Module ECU A1179001801
Promo price
€85.95
€73.06
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. A1648203085
Mercedes ML W164 Window Windscreen Rain Light Sensor A1648203085
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00
-5%
Part no. 7476046
BMW F20 F21 F30 F31 Mini F55 F56 F57 Fuel Pump Module Control Unit ECU 7476046
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 .