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
Part no. A4539018900
Smart ForTwo C453 Air Module Impact SRS Control Module ECU A4539018900
PLN 474.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8K0971104AE
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104AE
Promo price
PLN 189.95
PLN 180.45
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6953467
BMW 1 3 Series E88 E93 Convertible Tel Phone Antenna Aerial 6953467
Promo price
PLN 104.95
PLN 99.70
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 9212916
BMW 5 7 X5 E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor 9212916
Promo price
PLN 47.95
PLN 43.16
Delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8K9035225
Audi RS4 B8 Radio Aerial Antenna Amplifier AM/FM 8K9035225
Promo price
PLN 94.95
PLN 90.20
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 8617709
BMW Mini Cooper F55 F56 Wiring Harness Motor Sensorsystem Module 8617709
Promo price
PLN 503.95
PLN 453.56
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2465400308
Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308
Promo price
PLN 94.95
PLN 90.20
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. A1679007012
Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012
PLN 218.95
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 8W0907777L
Audi RS5 F5 Chassis Module Control Unit 8W0907777L
PLN 1,234.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 10723AF
Ford Transit Connect Battery Box Tray Housing Holder Bracket 10723AF
Promo price
PLN 75.95
PLN 72.15
Free delivery - Tue, Dec 23
If paid before 14:00
-30%
Part no. A2059006047
SAM Module Mercedes W205 GLC X253 Rear Comfort Control Unit ECU A2059006047
Promo price
PLN 474.95
PLN 332.47
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. A1775404007
Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1775404007
Promo price
PLN 218.95
PLN 197.06
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 1K0906093G
Audi A1 8X VW Seat Skoda Fuel Pump Control Unit Module 1K0906093G
Promo price
PLN 123.95
PLN 111.56
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 02Z911024Q
Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q
PLN 189.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8F0035399
Audi A5 8F Door Speaker Tweeter Front Left N/S 8F0035399
Promo price
PLN 42.95
PLN 40.80
Delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8W1959595
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595
Promo price
PLN 94.95
PLN 90.20
Free delivery - Tue, Dec 23
If paid before 14:00
-30%
Part no. 9314234
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9314234
Promo price
PLN 379.95
PLN 265.97
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-10%
Part no. A1679004712
Bluetooth Module Mercedes W205 W213 W222 W238 Control Unit ECU A1679004712
Promo price
PLN 94.95
PLN 85.46
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 5Q4959393E
Skoda Octavia 5E Front Door Module Control Unit ECU Driver's Side 5Q4959392E
PLN 42.95
Delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A1698204515
Media Plug Mercedes W169 W245 Multimedia Connection Cable Wire A1698204515
Promo price
PLN 104.95
PLN 99.70
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2465409611
Mercedes-Benz A B Class W176 W246 Battery Surround Trim Box Bracket A2465409611
Promo price
PLN 61.95
PLN 58.85
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. 5Q0959392B
Audi A3 S3 8V Door Control Module Front Passenger Side Left N/S 5Q0959392B
Promo price
PLN 75.95
PLN 72.15
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 7620624
Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
PLN 427.95
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 9257009
BMW F01 F10 CIC Professional Unit Sat Nav Infotainment DAB Radio Player 9257009
Promo price
PLN 949.95
PLN 854.96
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
Part no. 4F0910655Q
Audi A6 C6 4F Control Unit Air Module ECU Bosch 4F0959655G
PLN 85.95
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-10%
Part no. A1728100011-1
Navigation Processor Mercedes W176 W212 Control Unit Module NTG 4.5 A1728100011
Promo price
PLN 284.95
PLN 256.46
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2058201201
Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
Promo price
PLN 75.95
PLN 72.15
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 7PP035620GC
Porsche Macan 95B Navigation Tracking Control Module 7PP035620GC
PLN 569.95
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8385164-2
BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164
Promo price
PLN 61.95
PLN 58.85
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. A2229001306
Mercedes W910 Gearbox Module Transmission Basic Control Unit A2229001306
Promo price
PLN 123.95
PLN 111.56
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. TM450
Trafficmaster TM450 GPS Vehicle Location Tracker Control Unit Module ECU
Promo price
PLN 47.95
PLN 45.55
Delivery - Tue, Dec 23
If paid before 14:00
-30%
Part no. 8606445
Wiring Harness BMW F20 F21 F30 LCI Motor Sensor System Module 1 8606445
Promo price
PLN 104.95
PLN 73.47
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 9111165-PB2
PDC Sensor BMW E81 E82 E87 E88 E90 E91 Ultrasonic Parking SET X4 Platinbronze
Promo price
PLN 189.95
PLN 170.96
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 6824110
BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Loom Harness 6821420
Promo price
PLN 284.95
PLN 256.46
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 9134631
Seat Module BMW E65 E66 Front Seat Control Unit ECU 9134631
Promo price
PLN 142.95
PLN 128.66
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 8589158
Battery Cable BMW G01 G02 B47B B47D Alternator Base B+ Lead 8589158
Promo price
PLN 94.95
PLN 85.46
Free delivery - Tue, Dec 23
If paid before 14:00
-30%
Part no. 6820386
Mini F54 F55 F56 Operating Unit Audio Radio Control Switch Panel 6820386
Promo price
PLN 189.95
PLN 132.97
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 7P6919603
VW Volkswagen Touareg 7P Dashboard Multimedia Display Screen Panel 7P6919603
PLN 664.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8J0971237A
Audi TT 8J Starter Motor Negative Battery Wiring Harness Cable 8J0971237A
Promo price
PLN 61.95
PLN 58.85
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 2751445
Mini Cooper One R56 R55 R57 R58 LCi Retaining plate fuse box SPEG 2751445
Promo price
PLN 18.95
PLN 18.00
Delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9113355
BMW E87N E90 E91 Mini Cooper R56 DC/DC Torque Converter Wandler 9113355
Promo price
PLN 42.95
PLN 40.80
Delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-30%
Part no. A1669004719
Audio Amplifier Mercedes W166 C292 Sound Control Unit Harman Kardon A1669004719
Promo price
PLN 2,659.95
PLN 1,861.97
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 03L906018JR
Audi A4 B8 2.0 TDI CJCB 136HP Engine Control Unit Module ECU 03L906018JR Manual
PLN 949.95
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2465408109
Door Wiring Mercedes W176 Loom Cable Rear Left Right N/O/S A2465408109
Promo price
PLN 47.95
PLN 45.55
Delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-10%
Part no. 4H0959107AC
Audi A8 4D Tailgate Lift Boot Lid Control Unit Module Trunk 4H0959107AC
Promo price
PLN 180.95
PLN 162.86
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 8Y0035465
Audi A3 8Y A4 B9 Q5 FY Harman Speaker Amplifier Booster Sound System 8Y0035465
Promo price
PLN 237.95
PLN 214.16
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. A1648205685
Air Module Mercedes ML W164 W251 SRS Control Unit ECU A1648205685
Promo price
PLN 104.95
PLN 99.70
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 5QA919283B
Skoda Octavia 5E III Park Parking Assist PDC Distance Control Module 5QA919283B
PLN 61.95
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 4M0971349Q
Audi Q7 4M Electric Alternator Starter Positive Wiring Harness Cable 4M0971349Q
PLN 123.95
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
Part no. 9389070-1
BMW F36 Fuse Box Control REM Electric Power Distribution 9389070
PLN 42.95
Delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-30%
Part no. 919504H071
Hyundai H-1 Fuse Box Module Control Unit ECU 919504H071
Promo price
PLN 436.95
PLN 305.87
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6949081
BMW 1 3 Series E81 E82 E88 E92 Front Seat Easy Entry Adapter Wire Cable 6949081
Promo price
PLN 37.95
PLN 36.05
Delivery - Tue, Dec 23
If paid before 14:00
Part no. A6399003200
Mercedes Vito W639 Door Module Front Right O/S Control Unit ECU A6399003200
PLN 237.95
Free delivery - Tue, Dec 23
If paid before 14:00
-30%
Part no. 9348358
BMW E60 Body Comfort Control Unit DDE Module ECU 9348358
Promo price
PLN 427.95
PLN 299.57
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
Part no. A2469016002-1
Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
PLN 332.95
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 2G0907357A
VW Polo Mk6 AW Headlight Head Lamp Range Control Unit Module ECU 2G0907357A
PLN 189.95
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 5N0971349AT
Volkswagen Tiguan 5N Alternator Generator Wiring Harness Cable 5N0971349AT
PLN 94.95
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-30%
Part no. A2129060005
Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129060005
Promo price
PLN 142.95
PLN 100.07
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6951855
BMW 6 E64 E64N LCI Convertible Suppression Filter Aerial Module Antenna 6951855
Promo price
PLN 80.95
PLN 76.90
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. 3425833
BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247
PLN 94.95
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. A0035420219-1
Relay Mercedes W639 W906 5-Pin Black 12V 20A A0035420219 Set X2
Promo price
PLN 94.95
PLN 85.46
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. 6925942
BMW E60 E61 Cable Loom Door Wiring Harness 6925942
Promo price
PLN 94.95
PLN 90.20
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-10%
Part no. 8605454
Engine Wiring BMW F10 F21 F30 LCI F36 N20 Loom Module Harness Cable 8605454
Promo price
PLN 237.95
PLN 214.16
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. A1679006613
Mercedes W177 Sliding Roof Module Sunroof Panoramic Control Unit A1679006613
Promo price
PLN 379.95
PLN 341.96
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. LHD-R56-CARPLAY
Mini R56 R57 Display Screen Instrument Cluster Speedo Android CarPlay 4+64GB LHD
Promo price
PLN 1,424.95
PLN 1,282.46
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. A1698700689-3
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
PLN 189.95
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. KCR12
Chip Power Chiptuning Box CRS KCR12 Control Unit Module Tuning Set
Promo price
PLN 332.95
PLN 299.66
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2469002603-1
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
Promo price
PLN 42.95
PLN 40.80
Delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. 9329702
BMW F20 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9329702
Promo price
PLN 65.95
PLN 59.36
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9231442
BMW 2 3 4 Series F22 F30 F32 F36 Antenna Suppression Filter Aerial 9231442
Promo price
PLN 42.95
PLN 40.80
Delivery - Tue, Dec 23
If paid before 14:00
-30%
Part no. A2469005312
Mercedes X117 X156 W246 Relay Control Unit Module A2469005312
Promo price
PLN 42.95
PLN 30.07
Delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9225830
BMW F07 Right O/S Central Bass Loud Speaker Stereo System Unit 9164582
Promo price
PLN 61.95
PLN 58.85
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 443937105A
VW Volkswagen Audi Skoda Seat Little Fuse Amp 30A 12V 443937105A
Promo price
PLN 42.95
PLN 40.80
Delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. A2219007701
Mercedes W221 Door Module Rear Right Left N/O/S Control Unit A2219007701
Promo price
PLN 61.95
PLN 58.85
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-10%
Part no. A2055406304
Mercedes W205 Hybrid Battery Cable Starter Wiring Loom Harness A2055406304
Promo price
PLN 113.95
PLN 102.56
Free delivery - Tue, Dec 23
If paid before 14:00
Part no. A2710106644-1
Mercedes R171 SLK200 M271.944 163HP Engine Control ECU A2710106644 Automatic
PLN 617.95
Free delivery - Tue, Dec 23
If paid before 14:00
-30%
Part no. 03E971612AE
Volkswagen Polo 6R Mk5 Engine Wiring Loom Harness Cable 03E971612AE
Promo price
PLN 569.95
PLN 398.97
Free delivery - Tue, Dec 23
If paid before 14:00
-10%
Part no. A2229005315
Bluetooth Module Mercedes W176 W205 Multimedia Control Unit ECU A2229005315
Promo price
PLN 113.95
PLN 102.56
Free delivery - Tue, Dec 23
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 - Tue, Dec 23
If paid before 14:00
-5%
Part no. 9244392
BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9244392
Promo price
PLN 61.95
PLN 58.85
Free delivery - Tue, Dec 23
If paid before 14:00
-5%
Part no. 8200587119
Renault Trafic III Vauxhall Vivaro B Relay 5-Pin Grey Unit 8200587119
Promo price
PLN 42.95
PLN 40.80
Delivery - Tue, Dec 23
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 .