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. A1698209926
Mercedes W169 W245 ECU Air Control Unit Sensor Module A1698209926
Promo price
PLN 75.95
PLN 68.36
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9146330
BMW X5 E60 E65 E70 Front Right Seat O/S Height Adjustment Drive
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 9383069
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9383069
PLN 1,709.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2749003900
Mercedes Vito W447 Electronic Control Unit Module ECU A2749003900
Promo price
PLN 949.95
PLN 664.97
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8644492
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 2 Harness 8644492
Promo price
PLN 218.95
PLN 153.27
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6933270
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 6933270
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A1729003406
Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406
Promo price
PLN 141.95
PLN 99.37
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8S0959121
Audi TT FV 8S Crash Impact Sensor Pedestrian Protection Module Front 8S0959121
PLN 237.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9805075680
Citroen Relay Peugeot Boxer III Engine Glow Plugs Wiring Harness 9805075680
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1765450000
Mercedes-Benz A-Class W176 Bluetooth Unit Module Bracket Holder A1765450000
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0005463704
Mercedes C118 Positive Pole Battery Insulating Cap Cover Trim A0005463704
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A0009062822-1
Mercedes W207 W212 W906 Engine Diesel 200A 14V Alternator Generator LRA03818
Promo price
PLN 436.95
PLN 393.26
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 6850783
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6850783
Promo price
PLN 94.95
PLN 85.46
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A6519007401
Mercedes W212 E250CDI Blue Efficiency OM651 204HP Engine Module ECU A6519007401
PLN 379.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2229001912
Mercedes W205 C253 Door Module Rear Left N/S Control Unit ECU A2229001912
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2761509875
Mercedes W213 W222 A238 M276 Starter Screening Plate Shield A2761509875
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 5Q0919294K
Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
PLN 113.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7618644
BMW Z4 Series E89 Roadster Petrol N20 Cable Alternator-Starter-Base B 7618644
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 95B971228AA
Porsche Macan 95B Battery Starter Motor Alternator Wire Cable Loom 95B971228AA
PLN 379.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2118703285
Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703285
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1768200704
Sunroof Wiring Mercedes C117 W176 Panoramic Motor Cable Harness A1768200704
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2055409750
Door Harness Mercedes W205 Rear Left N/S Door Wiring Loom A2055409750
Promo price
PLN 94.95
PLN 85.46
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8576333-1
BMW F10 F11 520d X3 F25 20dX N47N 184HP ECU Kit DDE 8576333 Key CAS4 Automatic
Promo price
PLN 902.95
PLN 632.07
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 231A07345R
Smart Fortwo C453 Central Door Locking Control Unit Module ECU 231A07345R
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2469050101
Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier
Promo price
PLN 37.95
PLN 36.05
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8377601
BMW E38 Door Windows Control Unit Module ECU ZB PMBT LOW 8377601
Promo price
PLN 85.95
PLN 81.65
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A0009060922
Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
Promo price
PLN 237.95
PLN 214.16
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2045400150
Mercedes-Benz C E Class W204 W207 Fuse Distribution Box Interior A2045400150
Promo price
PLN 113.95
PLN 102.56
Free delivery - Mon, Dec 22
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 - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9267205-1
BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9267205
Promo price
PLN 104.95
PLN 99.70
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A0009004213
Adblue Module Mercedes W447 W906 Control Unit ECU A0009004213
Promo price
PLN 170.95
PLN 153.86
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8574091
BMW F10 F11 520d N47N 184HP Engine Control Unit ECU DDE 8574091 Automatic
Promo price
PLN 284.95
PLN 199.47
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 2753031
Mini Wiring Loom Harness Cable Plug Connector Socket Input 2753031
Promo price
PLN 37.95
PLN 36.05
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A0038206926
Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926
Promo price
PLN 189.95
PLN 170.96
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 4M0959792H
Audi A5 F5 Door Module Control Unit ECU Front Passenger Side 4M0959792H
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9352861
FEM Unit BMW F20 F22 F30 F32 Control Unit Module ECU Fuse Box 9352861
Promo price
PLN 569.95
PLN 398.97
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 81A035502
Audi A3 8V Wireless Charger Centre Console Phone Charging Module Unit 81A035502
Promo price
PLN 123.95
PLN 111.56
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 1357210
DAF 85CF 85.430 XF 315M Starter Motor 1357210
Promo price
PLN 379.95
PLN 341.96
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8R0959655G
Audi Q5 8R Air Module Control Unit SRS System ECU 8R0959655G
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A2479002307
Mercedes W177 W247 4Matic Transfer Control Unit Module ECU A2479002307
Promo price
PLN 569.95
PLN 398.97
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 8602802
BMW i3 I01 Hybrid Rex Engine Wiring Cable Harness Bracket Mount Trim 8602802
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9151516
BMW E60 E63 E64 LCI Body Control Unit Module 9151516
Promo price
PLN 85.95
PLN 81.65
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9208452
Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452
Promo price
PLN 284.95
PLN 199.47
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 5K0959793C
Skoda Octavia RS 1Z Door Module Control Unit ECU 5K0959793C
PLN 237.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9231174
BMW 3 4 F30 F32 Touring Amplifier Rear Window Antenna Diversity 9231174
Promo price
PLN 66.95
PLN 63.60
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0009006007
Fuel Pump Module Mercedes W205 Control Unit ECU A0009006007
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A9065410140
Mercedes-Benz Sprinter W906 Battery Tray Holder Mounting Bracket A9065410140
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9365304
BMW F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Control Module 9365304
Promo price
PLN 94.95
PLN 85.46
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 5WA907007AC
Volkswagen Golf Mk8 Air Conditioning A/C Control Unit Module 5WA907007AB
Promo price
PLN 474.95
PLN 332.47
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2079011800
Mercedes W204 W207 Control Unit ECU Sensor Module Air SRS Bag A2079011800
Promo price
PLN 237.95
PLN 214.16
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2128270228-SEL
Mercedes W212 Roof Antenna Amplifier Shark Selenite Grey - 992 A2128270228
Promo price
PLN 85.95
PLN 81.65
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 5K0962132A
Audi Q3 F3 Keyless Entry Amplifier Control Box Module Aerial Antenna 5K0962132A
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A6541592501
Mercedes W213 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541592225
Promo price
PLN 75.95
PLN 72.15
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 4KE959655H
Audi Q7 4M Air Module Control Unit ECU SRS Module Unit 4KE959655H
PLN 617.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7607454
Battery Insert BMW F13 F12 F06 Battery Crashpad Foam Insulator 7607454
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 4F0959795N
Door Module Audi A4 B8 A6 C6 Rear Unit Control ECU Left N/S 4F0959795N
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A6229000700
Mercedes W447 Bosch Glow Plug Relay Controller Unit Control Module A6229000700
PLN 332.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9145172
BMW E90 E91 E92 E93 LCI Battery Bracket Lower Section Box 9145172
Promo price
PLN 47.95
PLN 45.55
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9240945
Mini Cooper D R55 R56 R57 R60 LCI Electrical System Fuse Distribution Box
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A6071550335
Alternator Belt Tensioner Mercedes W176 OM607 Diesel Holder Mounting Panel
Promo price
PLN 113.95
PLN 102.56
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 9315151
BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151
Promo price
PLN 94.95
PLN 90.20
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A1779007716
Mercedes W177 Front Door Control Module Left Right N/O/S Unit ECU A1779007716
Promo price
PLN 265.95
PLN 186.17
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2034404913
Mercedes-Benz CLC CL203 Rear Tailgate Boot Lid Wiring Harness Loom A2034404913
Promo price
PLN 65.95
PLN 62.65
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A0005454516
Mercedes W204 Automatic Gearbox EGS Control Module Unit ECU A0005454516
Promo price
PLN 132.95
PLN 119.66
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7928682
Radio Receiver BMW F40 F44 G20 G26 Radio Remote Control Unit 434 MHZ 7928682
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2055404596
Mercedes W205 Electrical Ground Line Wire Earth Cable A2055404596
Promo price
PLN 94.95
PLN 85.46
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 5A41CA2
Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2
Promo price
PLN 949.95
PLN 854.96
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 2Q0980653H
Seat Ibiza KJ1 VW Polo MK6 Front Camera Lane Assist Control Unit 2Q0980653H
PLN 284.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7678321
BMW X4 F26 Harness Wiring Cable Loom 7678321 767832-113
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A0009000716
Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009000716
Promo price
PLN 427.95
PLN 299.57
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8507909
BMW F20 F30 Wiring Harness Engine Transmission Module Diesel Manual N47N 8507909
PLN 360.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 6797439
BMW F07 GT ICM Management Control Unit Module DSC Brakes 6797439
Promo price
PLN 189.95
PLN 132.97
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 4F0907280A
Audi A6 C6 On Board Onboard Supply Module Control Unit ECU 4F0907280A
Promo price
PLN 66.95
PLN 63.60
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A9076830400
Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400
Promo price
PLN 61.95
PLN 58.85
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2129000217
Mercedes W212 Radio Head Unit Navi CD Player Control Unit A2129000217
Promo price
PLN 949.95
PLN 854.96
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 6986987
BMW Z4 Series E85 Cable Loom Passenger's Door Wiring Harness 6986987 6986982
Promo price
PLN 142.95
PLN 100.07
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8577839-1
BMW F32 F33 430d N57N 258HP Engine ECU DDE Kit 8577839 FEM + Key Automatic
Promo price
PLN 949.95
PLN 664.97
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8E0057185KX
Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert 8E0057185KX
Promo price
PLN 237.95
PLN 166.57
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 4H0962239A
Audi A8 D4 Rear Hatch Boot Lid Tailgate Opening Cable Wiring Line 4H0962239A
PLN 189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9166869
Mini Cooper R56 Hands-free Electronics Charging MULF2 9166869
Promo price
PLN 284.95
PLN 199.47
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2218200210
Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210
Promo price
PLN 142.95
PLN 128.66
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
Part no. Q0001211V012000000
Smart Fortwo C450 Air Module Control Unit 0001211V012
PLN 42.95
Delivery - Mon, Dec 22
If paid before 14:00
Part no. A1775401758
Mercedes W118 W177 W247 Starter Alternator Wiring Loom Harness Cable A1775401758
PLN 341.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. A1669005612
Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612
Promo price
PLN 61.95
PLN 43.37
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 6940763
BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9230680
BMW Mini Cooper One R55 R56 R57 CD Changer 6 Disc Player 9167081
Promo price
PLN 237.95
PLN 166.57
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0015456403
Mercedes Sprinter W906 Fuse Box Relay Cover Box Cap A0015456403
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. 7796127
BMW X5 X6 Series E70 E71 Diesel Battery Cable Starter-Base B+ 7796127
Promo price
PLN 42.95
PLN 40.80
Delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1695406409
Mercedes W169 W245 Battery Earth Negative Cable Wiring Loom A1695406409
Promo price
PLN 37.95
PLN 36.05
Delivery - Mon, Dec 22
If paid before 14:00
Part no. 9133913
BMW Z4 E89 Roadster Convertible HiFi Speaker System Amplifier 9133913
PLN 283.95
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 9228914
Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914
Promo price
PLN 949.95
PLN 664.97
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. 9387266
FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266
Promo price
PLN 569.95
PLN 512.96
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 7843332
Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332
Promo price
PLN 522.95
PLN 366.07
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 7583526-1
BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual
Promo price
PLN 1,614.95
PLN 1,130.47
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. 8576333
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8576333 Automatic
PLN 427.95
Free delivery - Mon, Dec 22
If paid before 14:00
-10%
Part no. A2129014606-1
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
Promo price
PLN 332.95
PLN 299.66
Free delivery - Mon, Dec 22
If paid before 14:00
-30%
Part no. 8678968
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968
Promo price
PLN 474.95
PLN 332.47
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 .