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
-10%
Part no. 8605144
BMW F20 F21 LCI F23 F30 F32 F33 Engine Wiring Loom Harness Cable 8605144
Promo price
PLN 237.95
PLN 214.16
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8580053
Starter Cable BMW G30 G31 G32 Alternator Wiring Starter-Base B+ 8595355
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A1775404507
Mercedes V177 C118 W247 Fuse Box Relay Control Unit Module A1775404507
Promo price
PLN 189.95
PLN 170.96
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 2622610
Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9171900
BMW X5 E70 X6 E71 Computer Control Unit DVD Player RSE MID PLUS PL4 9171900
Promo price
PLN 1,424.95
PLN 997.47
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2829003300
Mercedes W177 A200 163HP M282.914 Engine Control Unit ECU A2829003300 Automatic
Promo price
PLN 237.95
PLN 214.16
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 4E0941817B
Audi A6 A8 D4 Q7 4M CAN Bus Jumper Contact Bridge Connector Plug 4E0941817B
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A9105400805
Mercedes Sprinter W910 Fuel Tank Wiring Loom Cable Harness A9105400805
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6820235
BMW F20 F30 Mini F55 F56 Control Unit Air Conditioning Module 6820235
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9188377
BMW F01 KaFAS Camera Front Windscreen Lane Departure Camera Module 9188377
Promo price
PLN 123.95
PLN 111.56
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8X0959792B
Audi A1 8X Door Module Control Unit Controller Front Passenger's Side 8X0959792B
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8589948
BMW G20 G21 Positive Battery Cable Wiring Loom 8589948
Promo price
PLN 94.95
PLN 66.47
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6923215
BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. A4539009506
Smart Fortwo C453 Sat Nav Control Unit Navigation Module Unit A4539009506
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0035453501
Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2059068501
Mercedes W205 Fuse Box Rear Relay Electrical Control Unit Box A2059068501
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8506657
BMW X3 F25 Starter Motor Diesel Engine 12V Bosch 8506657
PLN 75.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7790368
Mini Cooper One D R50 W17 Diesel Alternator Cable Starter Base B 7790368
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 3419515
BMW E83 LCI Valvetronic Starter Cable Wire Loom 3419515
Promo price
PLN 75.95
PLN 72.15
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9180402
BMW E90 Front Sport Seat Lumbar Wiring Loom Harness Cable 9180402
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A0009001704
Fuel Pump Module Mercedes W176 W204 C207 W212 W246 Control Unit ECU A0009001704
Promo price
PLN 265.95
PLN 239.36
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8574093-5
BMW F10 F30 320d 520d 163HP Engine Control N47N ECU DDE 8574093 Automatic
PLN 142.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A6269000000
Mercedes W205 C 200 d 626951 626.951 136HP Engine Unit ECU A6269000000 Automatic
Promo price
PLN 617.95
PLN 556.16
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9264974
BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974
PLN 332.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8678967
Mini Cooper R56 Petrol Engine Installation Wiring Loom Harness 8678967
Promo price
PLN 142.95
PLN 100.07
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2475451000
Mercedes W177 W247 Battery Bracket Battery Mount Holder Trim A2475451000
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A1695451940
Mercedes W169 W245 Fuse Box Module Unit A1695451940
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 3453954
Mini Cooper One R57 R58 Aerial Antenna Amplifier Diversity Module 3453954
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 4F0907280E
Audi Q7 4L On Board Power Supply Control Module Unit ECU 4F0907280E
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 9166782
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782
PLN 370.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A1779000304
Airbag Module Mercedes V177 W177 C118 Air Bag SRS Control Unit ECU A1779000304
Promo price
PLN 51.95
PLN 46.76
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2105400230
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105400230
Promo price
PLN 56.95
PLN 54.10
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8W0959595H
Audi A5 F5 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595H
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2469005515
Mercedes W176 Rain Light Sensor Control Unit Front Windscreen Camera A2469005515
PLN 142.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2135406631
Mercedes W213 Rear Door Wiring Harness Cable Left N/S A2135406631
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8507202-2
BMW 3 Series E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Automatic
Promo price
PLN 1,139.95
PLN 797.97
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 6832270
BMW F10 F12 F13 F20 F22 F30 F31 Navigation Radio Sat Nav Head Unit High 6832270
PLN 474.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6968652
BMW 3 Series E93 E93N LCI Aerial Antenna AM / FM Right O/S 6968652
Promo price
PLN 56.95
PLN 54.10
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8843416
BMW G30 Battery Cell Module Supervision Circuit Control Unit 8843416
Promo price
PLN 189.95
PLN 132.97
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6946108
BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8200663057
Renault Clio Alternator Mount Bracket Holder Carrier 8200663057
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8C1T14A073BG
Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T14A073BG
Promo price
PLN 180.95
PLN 162.86
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 5Q0955559C
Volkswagen Golf 8 Rain Sensor Front Windscreen 5Q0955559C
PLN 61.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6935667-1
BMW Z4 Series E85 Roadster Battery Lead Positive Cable Plus Pole 6935667
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 8P0907063R
Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R
PLN 284.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2044401005
Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
Promo price
PLN 66.95
PLN 63.60
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 6957343
BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
PLN 188.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8632687
BMW i3 I01 Engine Motor Sensors Module Wiring Cable Wire Harness 8632687
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6943585
BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7L0959772D
VW Touareg Phaeton Heated Seat Control Module Unit 7L0959772D
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 95B980654D
Porsche Macan 95B Front Windscreen Lane Assist Kafas Camera 95B980654D
PLN 902.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 7419610
BMW F30 F31 LCI Headlight LED Module Insert Light Source Set 7419610
Promo price
PLN 189.95
PLN 170.96
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6925642
BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642
Promo price
PLN 37.95
PLN 36.05
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2479009312
Mercedes W910 Telematics Module Communication Blutooth Control A2479009312
Promo price
PLN 341.95
PLN 239.37
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 5Q0959592F
Door Module Audi A3 8V Volkswagen Golf 7 Control ECU Front Left N/S 5Q0959592F
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 5QF959655BT
Seat Ibiza Mk5 Air Module Control Unit 5QF959655BT
PLN 1,899.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8P0971085A
Audi A3 8P Rear Bumper PDC Parking Sensor Wiring Harness Loom 8P0971085A
PLN 142.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 5Q0971371
VW Volkswagen Golf Mk7 Positive Battery Terminal Cable Lead Wiring 5Q0971371
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8574351
BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual
Promo price
PLN 379.95
PLN 341.96
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 5A56078
Mini F55 F56 Ignition Lock Barrel Key Unit 5A56078
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6960219
Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9302937
BMW F01 LCI Cable Door Rear Left Right N/O/S Wiring Harness 9262882
Promo price
PLN 142.95
PLN 135.80
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9805654
Mini Cooper R60 R61 Trailer Towing Control Module Cover Bracket 9805654
Promo price
PLN 18.95
PLN 18.00
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 4H0919604H-1
Audi A8L 4H Navigation Dashboard Display Hud Screen 4H0919604H
PLN 617.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8X0971687C
Audi A1 8X Rear Door Harness Left N/S Wiring Loom Cable 8X0971687C
Promo price
PLN 180.95
PLN 162.86
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9226333-1
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9226333
Promo price
PLN 218.95
PLN 153.27
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2519062200-1
Mercedes W251 COMAND Navigation Head Unit Radio Sat Nav Screen A2519062200
Promo price
PLN 1,424.95
PLN 997.47
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 5Q4959593
Seat Leon Mk3 5F Door Module Control Unit Front Driver's Side Door 5Q4959593
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
Part no. A2215408908
Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908
PLN 113.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2048200189
Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200189
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9234424
BMW F10 F11 Fuse Box Power Distribution Control Unit Box Rear 9234424
Promo price
PLN 66.95
PLN 63.60
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9371789
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8408783
BMW X5 E53 Flap Radio Partition Mounting Part Cover Dashboard 8408783
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 8K0951253-1
Audi VW Volkswagen Seat Relay 643 Unit Module 4 Pins Set X2 8K0951253
PLN 61.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9189906
BMW E88 E93 LCI Air Module Control Unit ECU 9189906
Promo price
PLN 123.95
PLN 111.56
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 3D0909601E
VW Volkswagen Touareg 7L Air Module Control Unit ECU SRS 3D0909601E
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 7H0919506D
VW Transporter T5 Engine Cooling Radiator Fan Control Unit Module 7H0919506D
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 1K0971349JQ
Audi A3 8P 1.2 TFSI CBZB Alternator Wiring Harness Cable Loom 1K0971349JQ
PLN 100.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7621860
Mini Cooper One R55 R56 R57 Control Unit Module Bracket Holder EGS 7621860
Promo price
PLN 27.95
PLN 26.55
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2469000717
Mercedes C117 X156 All Wheel Drive Control Unit Module ECU MFA A2469000717
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2125400080
Mercedes W212 Fuse Box Housing Relay Unit Module A2125400080
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9360372
BMW X6 F16 Fuse Box Power Distribution Relay Control Unit Box Rear 9360372
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7810860
BMW E90 E91 E92 LCI N47N Engine Alternator Starter Cable B 7810860
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9177118
CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9177118
Promo price
PLN 161.95
PLN 145.76
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0035420419
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Black A0035420419
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A6519000601-1
Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
Promo price
PLN 1,234.95
PLN 1,111.46
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9266328
ICM Module BMW F07 GT F01 F02 F03 F04 Air Module Control Unit ECU 9266328
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2469009512
Multimedia Switch Mercedes X156 C117 W176 CD Player Radio Head Unit A2469009512
Promo price
PLN 569.95
PLN 398.97
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 8621500
BMW F20 F21 F30 LCI Petrol N13 N20 Cable Alternator Starter Base B+ 8621500
Promo price
PLN 61.95
PLN 55.76
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2118704926
Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704926
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. lhd-A2215403310
Mercedes W221 Battery Electrical Ground Line Wire Earth Cable A2215403310
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 06K907425B-17
Volkswagen Polo GTI 6R 1.8 TSI DAJA 192HP Engine ECU Kit 06K907425B BCM + Key
PLN 664.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 4G8971365
Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
Promo price
PLN 94.95
PLN 85.46
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9395173
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9395173
Promo price
PLN 569.95
PLN 398.97
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2469006816
Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469006816
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8055326
BMW 3 4 Series F80 M3 F82 M4 LCI Fuel Tank Heat Insulation Plate 8055326
Promo price
PLN 189.95
PLN 132.97
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 6993311
Seat Module BMW F20 F32 F33 Control Unit Front Left Right N/O/S 6993311
Promo price
PLN 522.95
PLN 366.07
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9399466
Mini F54 F55 F56 F57 F60 Telematics Control Unit Module 84109399466 9399466
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 1S0919275D-TOG
Audi Q3 8U PDC Parking Distance Control Sensor Tornado Grey-X7P 1S0919275D
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
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 .