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. 7519051
BMW 7 Series E65 E66 E67 Electric valve 735i 745i 735Li 745Li 745LiS
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6882969
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air Module 6882969
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6824110
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Loom Harness 6821420
Promo price
€94.95
€80.71
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9176884
BMW E93 ECU Body Control Module H3 Junction Box 61359176884 9176884
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9285505
Distribution Junction BMW X5 X6 F15 F16 Power Battery Control Unit 9285505
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7301554
BMW F10 F20 F30 F32 Control Unit For Fuel Pump 7301554
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
Part no. 9367700
BMW X6 F16 PDC Bumper Park Assist Wiring Harness Loom 9367700
€66.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7951288
BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 7951288
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6957330
BMW E60 E61 E63 Power Distribution Electrical Fuse Box 6957330
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6926445
BMW 5 Series E60 E61 LCI Heated Front Seat Control Module 6926445 9182128
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 5A923C4
BMW F40 G20 G21 G30 G31 X3 G01 HiFi Audio Sound Amplifier RAM Module 5A923C4
Promo price
€189.95
€113.97
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9462544
BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 9462544
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9199996
Holder BMW F13 TV Video Switch Control Module Unit Bracket Mount 9199996
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7810863
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 7810863
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6842986
BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 6842986
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6938664
BMW E65 E66 Control Unit Front Centre Console Module 6938664
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6797031
BMW F25 Shock Absorber Sensor Adapter Wiring Loom Cable Front Axle 6797031
€28.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 5A07600
BMW F40 Heater Air Conditioning System Control Unit Module 5A075F7
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6975015-1
BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8482940
BMW F30 LCI G11 G30 Battery Cell Supervision Circuit Module Unit 8667593
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8581370
BMW 1 Series F40 MINI F56 F57 F60 Control Unit Box 8581370
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9169521
BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9298960
REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8606777-4
BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Manual
€455.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9259468
BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9259468
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 1388911-3
BMW E36 E38 E85 Mini R52 R57 5x Change-Over Contact Relay Violet Set 1388911
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8736083
BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6938226-1
BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right 6938225
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9315151
BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6957348
BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Right O/S
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9274357
BMW 4 F32 Wiring Loom Harness Cable 9274357
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9124585
BMW 1 3 Series E87 E90 Front Rear PDC Ultrasonic Parking Sensor Sedonarot Red
Promo price
€26.95
€25.60
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9354457
BMW F20 F30 F31 F32 Front Seat Control Unit Module ECU 9354457
Promo price
€61.95
€52.66
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9350003-1
Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9389070-1
BMW F36 Fuse Box Control REM Electric Power Distribution 9389070
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8586536-8
BMW F30 F32 LCI 335dX 435dX N57Z 313HP Engine ECU Kit DDE 8586536 Automatic
€450.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6906621-1
BMW E87 E90 E91 E92 E93 Fuse Box Power Distribution Front 6906621
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 1724740
BMW E36 E39 E46 Engine Starter Electrical Earth Cable 1724740
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8581370-1
BMW F40 Mini Cooper F56 F57 F60 Bracket Control Unit Box Engine 8581370
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9231174
BMW 3 4 F30 F32 Touring Amplifier Rear Window Antenna Diversity 9231174
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 5A44586
BMW F40 Ultrasonic Alarm System Module Control Unit 5A44586
Promo price
€66.95
€40.17
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9207913
BMW F20 F21 F22 F30 F31 F32 F33 F36 G30 Fan Motor Relay 9207913
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6948182
BMW E60 E61 LCI Alarm System Unit Ultra Sonic Module
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 6958358
BMW 5 X5 Series E39 E53 Hands-free Electronics Charging Module MULF 6958358
Promo price
€132.95
€79.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6968651
BMW 3 Series E93 Cabrio Rear Left N/S Aerial Antenna Unit AM/FM 6968651
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9257098
BMW F10 F11 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9257098
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 2383676
Battery Cable BMW F22 Negative Earth Cable Minus Electrical Wire 7625999
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8507924
Gearbox Wiring BMW F20 F30 125d 325d N47S1 Engine Loom Harness Cables 8507924
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8373901
BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 2622610
Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7636937
Ping Sensor BMW F20 F31 LCI Mini F55 F56 Engine Block Knock Sensor 7636937
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9244189
BMW F20 F21 F30 F31 Telematics Module Bluetooth Combox Telematik ECU 9244189
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6927000
BMW E63 E64 Amplifier Holder Catch Bracket Video Module 6927000
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7559811
Earth Ground Cable BMW E60 E61 E63 N62N 540i 550i 650i Battery Starter Wiring
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9306220
Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7843332
Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332
Promo price
€132.95
€79.77
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9264573-1
BMW E81 ECU Body Control Module Unit Junction Box H2 PL2 RR JBBFE 9264573
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9264975
BMW X5 E70 X6 E71 Front Seat Control Unit Module Memory ECU 9264975
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 9132254
BMW Z4 E85 E86 CID Control Unit CD Player Radio Audio System 9132254
Promo price
€199.95
€119.97
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8373700-1
BMW E60 E63 E87 E90 E91 2X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9438239
BMW X4M F98 A/C Air Condition Climate Control Unit ECU 9439239
€37.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8639595-12
BMW F30 F31 F32 328i 428i N20 245HP Engine Control ECU DME 8639595 Automatic
€222.95
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9227238
BMW E93 LCI Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9227238
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8510221-1
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
€132.95
€79.77
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 8055326
BMW 3 4 Series F80 M3 F82 M4 LCI Fuel Tank Heat Insulation Plate 8055326
Promo price
€61.95
€37.17
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9111165-PB2
PDC Sensor BMW E81 E82 E87 E88 E90 E91 Ultrasonic Parking SET X4 Platinbronze
Promo price
€51.95
€44.16
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 6938975
BMW E60 E61 E63 E64 6-disc Compact CD Changer 6938975
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 3428557
BMW Z4 E86 Alarm System Ultrasonic Roof Control Module 3428557
Promo price
€75.95
€45.57
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8631637
Earth Ground Cable BMW i3 I01 Battery Starter Terminal Wiring 8631637
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 8509105
BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9119355
BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module 9119355
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6825835
BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6910542-1
BMW E46 X3 E83 Battery Cable Plus Pole Power Positive Wiring 6910542
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6951079
BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 9264974
BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974
€85.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 6826983
BMW F20 F21 F30 F31 Air Module Control Unit ECU Controller 6826983 0 285 013 626
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00
Part no. 8664661-3
BMW F23 F30 F32 228i 328i 428i N20 184HP Engine Unit ECU DME Kit 8664661 Manual
€351.95
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8633997
Ground Line BMW G11 G12 G20 G30 G31 Battery Earth Cable Wire 8633997
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6929347
BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin 6929347 6950704
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 7612860
BMW F20 F21 F30 F31 F32 Battery Holder Bracket Supporting Rail 7612860
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8240500
Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6921979
Door Module BMW E65 E66 E67 Front Door Control Unit Passenger Side 6921979
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 8616810
BMW 1 2 3 4 Series F20 F21 F22 F23 F30 F31 F32 Battery Cable Connecying Line
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 5A0BD89
BMW F40 Power Distribution Fuse Box LIN Control Unit Module 5A0BD89
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9315096
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315096
Promo price
€56.95
€48.41
Free delivery: Feb 16 – 19
If paid before 14:00
-40%
Part no. 7644747
BMW F10 F11 F30 Petrol N20 ECU DME Engine Control Unit Module 7644747 Manual
Promo price
€398.95
€239.37
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9273630
BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 9265835
Fuse Box Holder BMW X5 F15 X6 F16 Control Unit Module Bracket Carrier 9265835
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6946108
BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-5%
Part no. 6865245
BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6865245
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9194824
BMW Z4 E89 Convertible Roadster Air Module ECU Control Unit 9194824
Promo price
€94.95
€80.71
Free delivery: Feb 16 – 19
If paid before 14:00
-15%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
€170.95
€145.31
Free delivery: Feb 16 – 19
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 .