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. 8K0959793S
Audi A4 B8 Front Door Control Module Unit ECU 8K0959793S
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9267203
BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359267203 9267203
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6863385
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8579482
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8579482 Manual
Promo price
€94.95
€56.97
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 3456995
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456995
Promo price
€237.95
€202.26
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9110890
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
Promo price
€94.95
€56.97
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If paid before 14:00

-5%
Part no. A0015467435
Battery Cover Mercedes W906 Battery Positive Pole Cover Red A0015467435
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€23.95
€22.75
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If paid before 14:00

-15%
Part no. 5Q0971230HH
Audi S3 8V Starter Alternator Wiring Harness 5Q0971230HH
Promo price
€32.95
€28.01
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If paid before 14:00

-15%
Part no. 6H52-18C808-BD
Land Rover Freelander II Audio Amplifier Control Module 6H52-18C808-BD
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6857124
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6857124
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2045402610
Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00

-15%
Part no. 2755393
Sensor Mat Mini Cooper R55 R56 R57 R58 R59 R60 Passenger Side 2755393
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 3421562
Engine Wiring Harness BMW X3 E83 2.0i N46 Wiring Loom Manual Gearbox 3421562
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2055406304
Mercedes W205 Hybrid Battery Cable Starter Wiring Loom Harness A2055406304
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 3404568
BMW X3 Series E83 2.5i 3.0i Engine Starter Motor Positive Battery Cable 3404568
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2229003210
Mercedes W205 Head Unit Audio Player Radio Sat Nav Module A2229003210
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6964142
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 3453293
Mini Cooper One R56 SPEG PL3 M2 Fuse Distribution Box 3453293
€104.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8K0951253
Audi VW Volkswagen Seat Relay 643 Unit Module 4 Pins 8K0951253
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8J0915459
Audi A4 B8 A5 8T TT MK2 Positive Battery Terminal Cable Overload Fuse 8J0915459
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A1699000200
Mercedes-Benz A B W169 W245 Front Right Door Control Unit Module A1699000200
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A2319009106
Door Module Mercedes R231 Front Door Right O/S Control Module A2319009106
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7570254
Plus Cable BMW X1 E81 E87 E90 E91 N45 N46 Alternator Starter Wiring 7570254
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2075454440
Mercedes-Benz E-Class A207 Convertible Control Unit Module Bracket Trunk
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 5A402F3
Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
Promo price
€313.95
€188.37
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A0009003713
Mercedes W205 Tyre Pressure Control Module Unit A0009003713
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8577625
BMW F20 F21 116d ed N47N Engine Control Unit ECU DDE 8577625 Manual Transmission
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 4H0907801H
Parking Brake Module Audi A6 C7 A7 4G A8 4H Handbrake Control Unit 4H0907801H
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9271216
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9271216
Promo price
€66.95
€56.91
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A2229005914
Mercedes W205 Rear SAM Module Control Unit A2229005914
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A1645400182
Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 059903019H
Audi A8 D4 Alternator Generator Electrical Unit 3.0 TDI Diesel Engine 059903019H
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A0035421819
Mercedes C205 Fuse Box Relay Control Unit Module A0035421819
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8586571
BMW 1 3 F20 F30 LCI B47 Engine Gearbox Module Wiring Cable Loom Harness 8586571
Promo price
€66.95
€56.91
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 4F0959792T
Audi A6 C6 Front Left N/S Door Lock Control Module Unit ECU 4F0959792T
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6923207
Mini Cooper One R50 R53 Alarm System Inclination Sensor III
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8636054
BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8636054
Promo price
€165.95
€99.57
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 03E971612AC
VW Volkswagen Polo 6R Engine Wiring Harness Cable Loom 1.2 CGPA Petrol 03F971612
€94.95
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A0009008718
Climate Control Module Mercedes W205 W213 Air Conditioning A/C Unit A0009008718
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6913896
BMW Z4 E85 E86 Aerial Antenna Amplifier Module Rod 6913896
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8512047
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE CAS 3 Key 8512047 Manual
Promo price
€165.95
€99.57
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8K0959792S
Audi A4 B8 Front Door Control Module Unit ECU Passenger Side 8K0959792S
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 80A906093A
Audi SQ5 FY Petrol Fuel Pump Relay Control Unit Module ECU 80A906093A
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8582280
Engine Control ECU BMW F20 F21 116d N47N 116HP DDE 8582280 Manual Transmission
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2045420323
PDC Display Mercedes W204 Front Parking Sensor Screen Control Unit A2045420323
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2129004314
Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129004314
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6926433
BMW 1 3 Series E87 E90 E91 Mini R56 R57 Seat Control Unit Module Heating 6926433
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A0009060922
Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
Promo price
€66.95
€56.91
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A9079002407
Mercedes W907 Electronic Ignition Module Control Unit A9079002407
Promo price
€161.95
€97.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9261606
BMW 1 2 F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Mineralweiss White A96
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9258173
Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
Promo price
€142.95
€85.77
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8678967
Mini Cooper R56 Petrol Engine Installation Wiring Loom Harness 8678967
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1
BMW E92 LCI PDC Wiring Loom Harness Rear Bumper
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 1436340
BMW E36 E46 Engine Bay Battery Cable Guide 1436340
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 059903143K
Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8513184-3
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Manual
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8506666-5
Mini One R56 LCI 90HP N47N Diesel Engine ECU Control Unit DDE 8506666 Manual
Promo price
€89.95
€53.97
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8638588
BMW F20 F22 F30 LCI 125i 230i 320i 330i B48 Cable Alternator Starter 8638588
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6905639
BMW E65 E66 Japan Mobile Phone Buffer Module ECU J-buf 6905639
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 6CIT-10300-BC
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6CIT-10300-BC
€80.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9160558
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8K0971036B
Audi RS4 B8 Door Wiring Harness Cable Loom Front Right O/S 8K0971036B
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6976156
BMW E60 E61 E63 Passenger Side Door Air Control Module 6976156
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 2757722
Mini Cooper R57 R58 R59 Control Unit Module Bracket Holder PGS 2757722
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8585642
BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 6989713-1
BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6989068-PS
Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9120813
BMW E60 E61 Rear Right Left N/O/S Door Wiring Loom 9163173
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9159795
Control Unit BMW X5 X6 E70 E71 Air Module Bag ECU Unit Bosch 9159795
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6921309
BMW E65 E66 Centre Console Front Armrest Tray Cables Wiring Set 6921309
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9280622
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9280622
Promo price
€108.95
€65.37
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9365837
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Headunit 9365837
Promo price
€218.95
€186.11
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2049005601
Mercedes W204 S204 Estate SAM Control Unit Module Rear A2049005601
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9661094180
Ford Focus 1.6 TDCI Diesel Glow Plug Wiring Loom Cable Wire 9661094180
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6934030
BMW 7 Series E65 E66 Wiring Loom Harness Right O/S Front Door 6934028
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A6511590246
Wiring Cable Cover Mercedes W204 W212 W906 OM651 Engine Duct Bracket A6511590246
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A2059006651
Mercedes C205 GLC C253 Body Control Comfort Module Unit SAM BCM A2059006651
Promo price
€398.95
€239.37
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A2229000016
Entry Module Mercedes C253 W205 W213 C238 Keyless Go Control Unit A2229000016
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9257151-1
Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8577764-1
BMW F10 F11 520d Diesel N47N 184HP ECU Kit DDE 8577764 + Key + CAS4 Automatic
Promo price
€379.95
€227.97
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 6824383
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 6824383
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 1K0971349AQ
Volkswagen VW Golf Mk6 Alternator Cable Wiring Harness Loom 1K0971349AQ
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 9228323
BMW F01 F10 F20 F30 F32 Camera Module Reversing Rear View Control Unit 9228323
€113.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2466200028
Mercedes W176 Battery Support Holder Bracket Mount A2466200028
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9160187
BMW 1 Series E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9160187
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9247480
BMW X3 F25 CAS4 Key Reading Module Unit Control ECU 6809374
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8K0971104AC
Audi RS4 A4 B8 8K Parking Sensors Rear Bumper Wiring Loom 8K0971104AC
Promo price
€42.95
€36.51
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7631587
BMW 1 3 X5 Series E53 E81 E87 E90 LCI Battery Mounting Bracket Clamp Bolt Holder
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 8W0907159F
Audi A4 S4 B9 A5 S5 Impact Sound Actuator Control Module 8W0907159F
€37.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6990109
BMW X3 E83 LCI Front Door Speaker Tweeter 6990109
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A2129003502
Mercedes W212 Xenon Headlight Ballast Control Unit Module Hella A2129003502
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A2701506733
Wiring Harness Mercedes W246 M270 Petrol Engine Wiring Harness Loom A2701506733
Promo price
€208.95
€125.37
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 03G903016EX
Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX
Promo price
€66.95
€56.91
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A6079002300-1
Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2661501233
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A1668200400
Mercedes GLE W166 C292 Front Seat Occupancy Sensor Wire Harness A1668200400
Promo price
€89.95
€53.97
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2465400308
Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6940236
BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236
Promo price
€23.95
€22.75
Free delivery - 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 .