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

-40%
Part no. P0396890
BMW 1 Series E82 Rear Bumper PDC Cables Wiring Loom Set 0396890
Promo price
€80.95
€48.57
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 6778809
Mini Cooper One R55 R56 R57 Xenon Headlight Level Sensor 6778809
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 6905921
BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 9247474-1
BMW E93 LCI ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9247474
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2046190048
Mercedes-Benz C W204 Rear Battery Support Holder Mount Bracket A2046190048
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 9128569-1
BMW 1 Series E81 E82 E87 LCI E88 Wiring Harness Air Valve Air Flap 9128564
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2108208726
Mercedes-Benz W210 S210 Alarm Anti Theft System Control Module Unit A2108208726
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1635400734
Mercedes-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635400734
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 9233009
BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A0001594942
Mercedes-Benz C-Class W203 M111 Ignition Coil Cable Connector A0001594942
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2105400230
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105400230
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 8631833
Mini R55 R56 R57 LCI R60 Automatic Gearbox Basic Control Unit EGS 7356237
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00

-15%
Part no. 7641649
BMW F10 F20 F30 N20 125i 328i 528i N20 Wiring Harness Engine Module 1 7641649
Promo price
€85.95
€73.06
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2048200189
Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200189
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2048200089
Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200089
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 7634058
BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058
Promo price
€42.95
€25.77
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 9807759
Mini Cooper R60 Wiring Passenger Loom Front Door Cables Left N/S 9809480
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 7634056
Engine Wiring BMW F20 F21 F30 F31 N20 Cable Loom Harness 7634056
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 8621490
Alternator Cable BMW F21 F22 F30 LCI 125i 220i 228i 320i N20 Starter 8621490
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 8507906
BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1635409008
Mercedes-Benz M ML W163 Radio Aerial Antenna Amplifier Wiring Loom A1635409008
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A6394404906
Mercedes-Benz Vito W639 Loudspeaker Cable Wiring Loom Harness A6394404906
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 8636069
BMW F20 F30 LCI B48 Engine Gearbox Module Wiring Cable Loom Harness 8636069
Promo price
€85.95
€51.57
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00

-40%
Part no. 8636070
BMW 3 F30 LCI 330e B48X Engine Gearbox Module Wiring Cable Loom Harness 8636070
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 6916228
Mini Cooper R50 R53 VICS Receiver Control Unit Module Japan 6916228
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 8676222
BMW 3 F30 LCI Hybrid 330e Battery Starter Connecting Lead Cable Wiring 8676222
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 7625998
BMW F20 F21 F22 F30 F31 F32 F33 Line Cable Power Distribution Module 7625998
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 7619250
Alternator Bracket BMW F10 F20 F22 F30 F32 LCI G30 B47 Supporting Mount 7619250
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 8353447
BMW E36 E38 Relay Two Pole Make Contact 8353447
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1635402333
Mercedes-Benz M ML W163 Centre Console Wiring Harness Cable Loom A1635402333
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1636880035-1
Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. A1636801080-1
Mercedes-Benz M-Class ML W163 1 Cover Footwell Fuse Box Trim Right A1636801080
Promo price
€33.95
€28.86
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1635450440
Mercedes-Benz M-Class ML W163 Holder Bracket Engine Control Unit A1635450440
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1695457740
Mercedes-Benz A B W169 W245 Bracket Starter Alternator Control Unit A1695457740
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. A1645400641
Mercedes-Benz M-Class W164 Battery Ground Earth Strap Cable Wiring A1645400641
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00

-5%
Part no. 9136726-2
BMW Mini Cooper R55 R56 Multifuse B Battery Power Distributor Cable 9136726
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 9331597
BMW F20 F21 F22 F30 F31 Alpine CD Radio Player Head Control Unit 9331597
Promo price
€51.95
€44.16
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 9218261
Mini Clubman R55 Clubdoor Cable Wiring Loom Harness Set 9154133
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2074405433
Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00

-15%
Part no. A6681530979
Mercedes W168 A 160 CDI OM668 Engine Control Module A6681530979
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 6980089
BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6980089
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 7787581
BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 7638194
BMW F20 F21 F22 F30 F31 Engine Starter Motor N20 N26 N55 Petrol 7638194
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 7619136
BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A4148200526
Mercedes Vaneo W414 Front Left Right Door N/O/S Control Unit Module A4148200526
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A4145400130
Mercedes-Benz Vaneo W414 Cable Starter Line Positive Line Battery A4145400130
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 9264640
BMW 1 3 F20 F21 F30 F31 Wiring Loom Cable Seat Passenger's Side Set 9264641
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 8385157-1
BMW X3 3 Series E46 E83 LCI 1 Start Point Housing Bracket Base B 8385157
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 6934011
BMW 7 Series E65 E66 Cable Harness Loom Front Door Wiring Left N/S 6934010
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 6942990
BMW 5 6 Series E60 E61 E63 E64 Actuator Air Distribution Flap Matrix Heater
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2205401124-1
Fuse Box Unit Mercedes CL S C215 W220 1 Front Right O/S ECU A2205401124
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 7540369
BMW E46 N46 Wiring Harness Engine Gearbox Module Loom Cable 7540369
Promo price
€94.95
€56.97
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 7848469
BMW F80 M3 F82 F83 M4 Wiring Harness Engine Gearbox Module 7848469
Promo price
€94.95
€56.97
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 7631558
Engine Starter BMW F20 M135i F30 335i F32 435i F80 M3 F82 M4 Motor Start 7631558
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. 9170452
BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM II NSW 9170452
Promo price
€132.95
€113.01
Free delivery - Wed, Oct 08
If paid before 14:00

Part no. 7160897-1
BMW E53 E60 E65 E81 E87 E90 E91 Bulb Holder Turn Indicator 7160897
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A0025422619
Mercedes ML W163 Relay 4-Pin Grey Tyco A0025422619
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1636801080
Mercedes ML W163 Cover Footwell Fuse Box Trim Right A1636801080
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1635457932
Mercedes ML W163 Transfer Box Control Unit Module ECU A1635457932
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1635400382
Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 8571350
BMW 1 5 Series F10 F11 F20 F21 LCI B47 Starter Acoustic Vibration Plug 8571350
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 8586573
BMW 1 3 Series F20 F30 LCI 120dX 320dX B47 Wiring Harness Engine Gearbox Module
Promo price
€265.95
€159.57
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 7809002-2
BMW E81 E82 E87 LCI E88 N47S 123d Engine ECU Kit DDE 7809002 CAS3 + Key Manual
Promo price
€222.95
€133.77
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 6986987
BMW Z4 Series E85 Cable Loom Passenger's Door Wiring Harness 6986987 6986982
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 7534921-1
BMW 3 X3 Z4 Series E46 E83 E85 Engine Control Unit Box Bottom Part 7534921
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 3451405
Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2038209489
Mercedes CLK W203 W209 Antenna Amplifier Radio Right O/S A2038209489
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2038219751-1
Mercedes-Benz C-Class W203 Alarm Sensor Module Unit A2038219751
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2038219751
Mercedes C-Class W203 Roof Alarm Motion Sensor Cover Trim Grey A2038219751
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1695453740
Mercedes-Benz A-Class W169 Fuse Box Unit Holder Bracket Frame A1695453740
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-40%
Part no. 8514766
BMW 1 Series F20 114d 116d ed N47N Wiring Harness Engine Glow Module 8514766
Promo price
€170.95
€102.57
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 8583653
BMW F10 F30 F31 LCI N57N Wiring Harness Engine Glow Module 8583653
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

Part no. 7570488-2
Mini Cooper 2 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Remy 7570488
Product currently unavailable

-5%
Part no. 9213373
Mini Cooper R57 Convertible Cabrio Petrol Fuse Box 9213373
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00

-5%
Part no. A2038000178
Mercedes-Benz C CLK Class W203 C209 Vacuum Solenoid Valve A2038000178
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2038202185
Mercedes W203 Door Control Module Rear Left N/S A2038202185
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. 1405523
Mini One D R50 R53 Cooper S Fuse Box 1405523
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2038202285
Mercedes-Benz C-Class W203 Door Control Module Right Rear O/S A2038202285
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1698208626
Mercedes-Benz A B W169 W245 Door Control Module Right Rear O/S A1698208626
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1718300272
Mercedes A B ML Class W166 W169 W245 Interior Temperature Sensor A1718300272
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1695400209
Mercedes W169 W245 Diesel Engine Starter Wiring Loom Cable A1695400209
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A1715420123
PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A0015423723
Mercedes A E Class W169 W211 Parking Sensor Display Control PDC A0015423723
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-15%
Part no. A0051517401
Starter Motor Mercedes W169 W245 Diesel Engine A0051517401
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2025402373-1
Mercedes A C E Class 1 W169 W203 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2038270642
Mercedes-Benz CLC-Class CL203 Antenna Amplifier Rear Right O/S A2038270642
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A0018209126
Mercedes CLC CLK Class CL203 W203 C209 Crash Sensor A0018209126
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2036901430
Mercedes C CLC Class CL203 W203 Rear SAM Unit Fuse Box Trim Cover A2036901430
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

-5%
Part no. A2035450803
Mercedes W203 Battery Terminal Fuse Box Electrical Unit A2035450803
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00

Part no. A0025422519
Mercedes W168 W169 W245 Blue Relay 4-Pin Tyco A0025422519
€23.95
Free delivery - Wed, Oct 08
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 .