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. 9160558
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. R50-PARK-LANE
Mini R50 Park Lane Sticker Rear Window Decals Plates Set
Promo price
PLN 75.95
PLN 72.15
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 06J903023D
Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D
Promo price
PLN 237.95
PLN 166.57
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6972611
BMW 5 Series E60 E61 Wiring Rear Left Right Door Cable Harness N/O/S 6982362
Promo price
PLN 75.95
PLN 72.15
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6864206
Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206
Promo price
PLN 61.95
PLN 58.85
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8Y0971693D
Audi S3 8Y Sportback Rear Door Wiring Harness Loom Left Right N/O/S 8Y0971693D
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 9322122-1
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
PLN 123.95
PLN 111.56
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 7809999-3
BMW X3 E83 LCI 1.8sd 2.0sd N47 177HP Engine Control Unit ECU DDE 7809999 Manual
PLN 664.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0025426918
Mercedes W211 W220 Crash Sensor Left Right N/O/S A0025426918
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
Part no. 8579480-1
BMW F20 120d F30 320d F10 520d N47N 184HP Engine Control Unit DDE 8579480 Manual
PLN 474.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 02M911024
Starter Motor Volkswagen VW Golf VI Passat B6 Tiguan Diesel Engine 02M911024
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7700844682A
Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9255048
BMW 1 Series E81 E87 E87N Battery Wire Cable Negative Earth Lead 9255048 6929705
Promo price
PLN 18.95
PLN 18.00
Delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 9117847
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847
Promo price
PLN 113.95
PLN 102.56
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1635403110
Mercedes-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635403233
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2129010700
Mercedes W212 ECU Control Unit Sensor Module Airbag A2129010700
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A6395406609
Wiring Loom Vito Mercedes W639 Front Door Cable Left Right N/O/S A6395406609
Promo price
PLN 61.95
PLN 58.85
Free delivery - Wed, Oct 08
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
PLN 61.95
PLN 58.85
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2118705526
Mercedes W219 Motorola Telephone Control Module DC UHI MOST A2118705526
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 8585641
Engine Wiring BMW F20 F21 F30 F31 N47N Diesel Loom Harness Cable 8585641
Promo price
PLN 142.95
PLN 128.66
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 6982386
BMW X1 E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982386
PLN 237.95
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 4G8971085DP
AUDI A6 C7 A7 FY Sensor Harness Installation PDC Radar 4G8971085DP
Promo price
PLN 284.95
PLN 199.47
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 1J0973332A
Audi RS4 B8 Cable Loom Wiring Plug Socket 2 Pins 1J0973332A
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 8582280-4
BMW F20 116d N47N 116HP Engine Control ECU DDE 8582280 Automatic Transmission
Promo price
PLN 854.95
PLN 598.47
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2465400082
Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465400082
Promo price
PLN 75.95
PLN 72.15
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 9176682
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682
Promo price
PLN 237.95
PLN 214.16
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 9867503
Navigation Head Unit BMW F20 F21 F30 F31 LCI F32 Radio CD Player High 2 9867503
Promo price
PLN 1,947.95
PLN 1,753.16
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6853705
BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6853705
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6799677
BMW F11 Touring Rear Axle Air Suspension Control Unit ECU Module 6799677
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 36100-2A550
Kia Sportage 3 1.7 Diesel Engine Starter Motor Denso 36100-2A550
Promo price
PLN 56.95
PLN 54.10
Delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. rhd-A1185407902
Mercedes C118 Front Door Left Right N/O/S Electrical Wiring Harness A1185407902
Promo price
PLN 113.95
PLN 102.56
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7567776
Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2056186000
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186000
Promo price
PLN 47.95
PLN 45.55
Delivery - Wed, Oct 08
If paid before 14:00
Part no. 9350995
BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
PLN 332.95
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 8514766
BMW 1 Series F20 114d 116d ed N47N Wiring Harness Engine Glow Module 8514766
Promo price
PLN 759.95
PLN 531.97
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 9262753
BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
Promo price
PLN 142.95
PLN 128.66
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 6960222
Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
Promo price
PLN 474.95
PLN 427.46
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. A2711500420
Mercedes W204 M271 Solenoid SOLV Valve Wiring Harness Petrol A2711500420
Promo price
PLN 113.95
PLN 102.56
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 7565300-18
BMW Z4 E85 2.0 N46 150HP Engine Module ECU Kit DME 7565300 + EWS + Key Manual
Promo price
PLN 1,234.95
PLN 864.47
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 8691827-2
Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Key Manual
Promo price
PLN 1,709.95
PLN 1,196.97
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. ZR1328B
BMW X3 E83 PCT Automotive Towing Hitch Towbar Tow Bar Trailer Relay Unit ZR1328B
Promo price
PLN 284.95
PLN 199.47
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9252815
BMW F01 F02 F10 F11 LCI Power Distribution Fuse Box Front 9252815
Promo price
PLN 85.95
PLN 81.65
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2229063202-1
Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. A2479002707
Communication Module Mercedes W177 W247 Hermes LTE Control Unit A2479002707
Promo price
PLN 218.95
PLN 153.27
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. A6519060026
Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine DENSO A6519060026
Promo price
PLN 142.95
PLN 128.66
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7604347
BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347
Promo price
PLN 46.95
PLN 44.60
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 5N0035342G
VW Volskwagen Polo 6R Multimedia Electronic ECU Control Unit Module 5N0035342G
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2034400033
Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033
Promo price
PLN 47.95
PLN 45.55
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6935597-2
4 x BMW 1 3 E81 E87 E90 E91 PDC Set Parking Sensor Front Rear Titansilber Silver
Promo price
PLN 61.95
PLN 58.85
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8X0959793K
Audi A1 8X Door Module Front Right O/S Driver's Side Control Unit ECU 8X0959793K
Promo price
PLN 61.95
PLN 58.85
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6957761
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6957761
Promo price
PLN 28.95
PLN 27.50
Delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. A2229002710
Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
Promo price
PLN 237.95
PLN 166.57
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 8W0906259N-1
Audi A5 F5 45 TFSI DKNA 245HP Quattro Engine ECU Kit 8W0906259N Gateway + Key
Promo price
PLN 1,424.95
PLN 997.47
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 4F0959794E
Audi A6 C6 Rear Door Right O/S Module Unit Control ECU 4F0959794E
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6956750
BMW E87 Control Unit PDC Parking Sensor Module Nautikblau Blue - A21 6956750
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9114135
BMW X5 X6 Series E70 E71 Power Distribution Fuse Box 9114135
Promo price
PLN 75.95
PLN 72.15
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2044402607
Earth Ground Cable Mercedes W204 W207 Battery Wiring Loom Engine A2044402607
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2219009903
Mercedes-Benz S-Class W221 Rear Door N/O/S Control Unit Module A2219009903
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 4F0910177
Audi A6 C6 Safety Ultra Sonic Alarm Movement Detector Module Unit 4F0910177
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6950093
BMW X5 Series E70 Flat Cable Wiring Wire CAS Start Stop 6950093
Promo price
PLN 75.95
PLN 72.15
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A6395407809
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6395407809
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
Promo price
PLN 85.95
PLN 81.65
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 8W0959592E
Audi A4 B9 Front Door Control Module Unit Passenger Side ECU 8W0959592E
Promo price
PLN 180.95
PLN 126.67
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A9065403527
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
PLN 94.95
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 420919275-PHB1
Audi A5 8T Parking Distance PDC Rear Ultra Sonic Sensor Phantom Black - Z9Y
PLN 42.95
Delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. A0009008905
Windscreen Camera Mercedes W207 W212 W246 Front Control Unit Module A0009008905
Promo price
PLN 189.95
PLN 132.97
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6968836
BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836
Promo price
PLN 18.95
PLN 18.00
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 5Q0919283B
PDC Module Audi A3 8V Seat Leon Skoda Octavia Parking Control Unit 5Q0919283B
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7560626
BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 3455305-1
2 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
Promo price
PLN 47.95
PLN 45.55
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
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8373700-2
BMW E60 E63 E87 E90 E91 4X Relay Make Contact White Green Set 8373700
Promo price
PLN 56.95
PLN 54.10
Delivery - Wed, Oct 08
If paid before 14:00
Part no. 02Z911021C
Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
PLN 94.95
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A6519000601
Mercedes-Benz W906 313 CDI OM651 Diesel Engine Control Unit CRD ECU A6519000601
PLN 427.95
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 8585642
BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642
Promo price
PLN 237.95
PLN 214.16
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9314023
MINI Cooper R56 LCI Aerial Antenna Amplifier Diversity Module 9314023
Promo price
PLN 142.95
PLN 135.80
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9270495
BMW X5 X6 5 6 Series E70 E71 F10 F11 F12 PDC Ultrasonic Sensor Black 9270495
Promo price
PLN 47.95
PLN 45.55
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1698209126
Door Module Mercedes W169 W245 Rear Left N/S Control Unit A1698209126
Promo price
PLN 47.95
PLN 45.55
Delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 9132254
BMW Z4 E85 E86 CID Control Unit CD Player Radio Audio System 9132254
Promo price
PLN 807.95
PLN 727.16
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2059008218
Telematics Module Mercedes W176 W205 W218 Communication Control Unit A2059008218
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. A2055403706
Mercedes W205 Front Axle Damper Adjustment Left N/S Wiring Harness A2055403706
Promo price
PLN 123.95
PLN 111.56
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9177985
BMW E88 ECU Body Control Module H3 Junction Box 9177985
Promo price
PLN 94.95
PLN 90.20
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6911003
BMW 1 3 X1 X3 X5 X6 SERIES E81 E82 E84 E87 E88 E90 Accelerating Sensor 6911003
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6983075
BMW F01 F07 F10 F30 LCI Fan Motor For Amplifier Control Unit Module Controller
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 5N0035552K
VW Tiguan 5N Antenna Amplifier Module Control Right O/S Unit 5N0035552K
Promo price
PLN 61.95
PLN 58.85
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. P0396890
BMW 1 Series E82 Rear Bumper PDC Cables Wiring Loom Set 0396890
Promo price
PLN 189.95
PLN 132.97
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2129004718
Door Module Mercedes W212 Front Right Control Unit Module A2129004718
Promo price
PLN 70.95
PLN 67.40
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 9389600
BMW Gran Turismo G32 Radio Aerial Antenna Amplifier AM/FM 9389600
Promo price
PLN 123.95
PLN 111.56
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6928369
BMW E60 Dashboard Solar Receiver Sensor Plug Socket Wiring 6928369
Promo price
PLN 42.95
PLN 40.80
Delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9270490
BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
Promo price
PLN 47.95
PLN 45.55
Delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. 6824129
Inverter Wiring BMW F45 Mini F60 Hybrid High Voltage Battery Cable Loom 6824129
Promo price
PLN 284.95
PLN 199.47
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. A1718201726
Mercedes SLK R171 Seat Heated Heating Control Unit Module ECU A1718201726
Promo price
PLN 103.95
PLN 93.56
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. A2709000900-4
Mercedes W176 A45 4Matic M133.980 381HP Engine Control ECU A2709000900 Automatic
Promo price
PLN 2,374.95
PLN 1,662.47
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2215402062
Fuel Pump Module Mercedes ML W164 W204 Petrol Control Unit ECU A2215402062
Promo price
PLN 85.95
PLN 81.65
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9247067
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247067
PLN 379.95
Free delivery - Wed, Oct 08
If paid before 14:00
-10%
Part no. 06J903023BX
Audi A1 8X Seat Leon Mk3 Cupra 5F Alternator Generator Petrol Engine 06J903023BX
Promo price
PLN 522.95
PLN 470.66
Free delivery - Wed, Oct 08
If paid before 14:00
-30%
Part no. A2129008825
Mercedes C204 Fuse Box Control Unit SAM Module Relay A2129008825
Promo price
PLN 474.95
PLN 332.47
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0005427700
Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700
Promo price
PLN 85.95
PLN 81.65
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 .