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. A2055404596
Mercedes W205 Electrical Ground Line Wire Earth Cable A2055404596
Promo price
PLN 94.95
PLN 85.46
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9677006780
Citroen Berlingo B9 1.6 HDI 9HN Engine Control Unit ECU EDC 9677006780 Manual
Promo price
PLN 113.95
PLN 102.56
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7948144
BMW F40 F44 Seat Occupancy Mat Control Unit Sensor 7948144
Promo price
PLN 104.95
PLN 99.70
Free delivery - Thu, Dec 18
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 - Thu, Dec 18
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 - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9258350
Air Module BMW F20 F21 F22 F30 F31 F32 Control Unit ECU 9258350
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 8573260-5
ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual
Promo price
PLN 1,234.95
PLN 864.47
Free delivery - Thu, Dec 18
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 - Thu, Dec 18
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 - Thu, Dec 18
If paid before 14:00
Part no. 3D0909601E
VW Volkswagen Touareg 7L Air Module Control Unit ECU SRS 3D0909601E
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
Part no. ML34-13C148-AE
VW Volkswagen Amarok NF Front Lamp Headlight Control Unit Module ML3413C148AE
PLN 303.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. A1775401758
Mercedes W118 W177 W247 Starter Alternator Wiring Loom Harness Cable A1775401758
PLN 341.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A2469064201
Antenna Amplifier Mercedes X117 W176 W205 Rear Aerial Module A2469064201
Promo price
PLN 127.95
PLN 115.16
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 8200279219
Smart Fortwo C453 Positive Battery Terminal Plus Pole Point Case 8200279219
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2218704192
Mercedes W221 Air Condition Climate Control Module Unit A2218704192
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 9311296
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
PLN 142.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6927311
BMW E60 Front Seat Control Unit Module Controller ECU 6927311
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 899543000
Porsche Boxster 986 A/C Air Conditioning Relay Control 12V 10A 899543000
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 8573257
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual
Promo price
PLN 379.95
PLN 265.97
Free delivery - Thu, Dec 18
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 - Thu, Dec 18
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 - Thu, Dec 18
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 - Thu, Dec 18
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 - Thu, Dec 18
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 - Thu, Dec 18
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 - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9291387
BMW X5 E70 X6 E71 Side View Camera Top Rear Control Unit Module 9291387
Promo price
PLN 237.95
PLN 214.16
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 5P0951171C
Seat Altea 5P1 Interior Ultrasound Alarm Sensor Module Unit 5P0951171C
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 4G5971687BQ
Audi A6 C7 4G Rear Door Harness Wiring Loom Cable Left N/S 4G5971687BQ
PLN 80.95
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 9343259
B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140
Promo price
PLN 123.95
PLN 86.77
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 954104H411
Hyundai H-1 Body Control Module Control Unit BCM ECU Module 95410-4H411
Promo price
PLN 284.95
PLN 199.47
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 8512415
Mini Cooper D R60 ALL4 N47N 112HP Diesel Engine Control Unit ECU DDE 8512415
Promo price
PLN 189.95
PLN 132.97
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 9287265
BMW F10 M5 Active Sound Unit Control Module Design Amplifier 9287265
Promo price
PLN 275.95
PLN 193.17
Free delivery - Thu, Dec 18
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 - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1685400830
Mercedes A W168 Petrol Engine Starter Alternator Electrical Cable A1685400830
Promo price
PLN 123.95
PLN 117.75
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2125407605
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2125407605
Promo price
PLN 46.95
PLN 44.60
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 6929950
BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950
Promo price
PLN 93.95
PLN 84.56
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 8518269-6
BMW E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8518269 Manual
Promo price
PLN 712.95
PLN 499.07
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2215401833
Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215401833
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. A1645407901
Mercedes V251 Gateway Module Control Unit ECU A1645407901
Product currently unavailable
Part no. 4H4907357G
Audi TT 8S Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357G
PLN 260.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 2100493N
Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 2100493N
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1568200089
Mercedes W176 W246 Tailgate Aerial Antenna Amplifier Unit A1568200089
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9356156
External Ignition Base BMW F20 F30 F32 F33 Power Terminal Distribution 9356156
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9374508
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 3456625
Mini R56 MMI Multimedia Switch Button Panel Radio Reader Boost CD Player 3456625
Promo price
PLN 1,424.95
PLN 997.47
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7H0937617
Volkswagen Transporter T5 T30 Fuse And Relay Box Wiring Cable 7H0937617
PLN 75.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 6986081-2
CD Changer BMW E60 E61 E63 E64 Compact CD Changing Unit 6986081
Promo price
PLN 161.95
PLN 145.76
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2129004114
Door Module Mercedes W204 W212 Rear Left N/S Control Unit A2129004114
Promo price
PLN 37.95
PLN 36.05
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 7823731
BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8387568
BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8387568
Promo price
PLN 18.95
PLN 18.00
Delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 8604258
Mini Cooper R56 Positive Battery Cable Alternator Lead 8604258
Promo price
PLN 379.95
PLN 265.97
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 259901385R
Smart Fortwo C453 Central Electronic Control Unit Module ECU 259901385R
PLN 237.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 5G0971104D
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104D
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2129004106
Door Module Mercedes W212 Rear Left N/S Control Unit A2129004106
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 4L0907468B
Audi Q7 4L Gateway Module Central Control Unit 4L0907468B
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 8577625
BMW F20 F21 116d ed N47N Engine Control Unit ECU DDE 8577625 Manual Transmission
Promo price
PLN 208.95
PLN 188.06
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2118701185
Air Module Mercedes W211 W219 Control Unit ECU A2118701185
Promo price
PLN 85.95
PLN 81.65
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. A1775405501
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775405501
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 6821404
High Voltage Cable BMW F45 Mini F60 Hybrid Plugin Alternator 6821404
Promo price
PLN 1,424.95
PLN 997.47
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 9286156
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9286156
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7640015-6
BMW E90 E91 E92 320i N43 170HP Engine Control Unit ECU DME 7640015 Automatic
PLN 474.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 5Q0971250N
Audi A3 8V Volkswagen VW Golf Mk7 Negative Cable Ground Wire Harness 5Q0971250N
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A0009062822
Alternator Generator Mercedes W207 W212 W906 Engine Diesel 200A 14V LRA03818
Promo price
PLN 379.95
PLN 341.96
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. A2218705687
Mercedes W221 Linguatronic Control Module Unit ECU English Version A2218705687
Promo price
PLN 360.95
PLN 252.67
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8624382
BMW 1 3 Series F20 F30 F31 LCI Line Cable Power Distribution Module 8624382
Promo price
PLN 56.95
PLN 54.10
Delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 2Q0980653G
Audi Q2 GA Front Camera Module Lane Assist Control Unit 2Q0980653G
Promo price
PLN 284.95
PLN 256.46
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A2535409530
Mercedes X253 Hybrid Engine Wiring Harness Loom Cable A2535409530
Promo price
PLN 142.95
PLN 128.66
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2135451140
ECU Bracket Mercedes W213 Control Unit Module Holder Mount A2135451140
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
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 - Thu, Dec 18
If paid before 14:00
-10%
Part no. 8678976
Engine Wiring Mini F56 BMW F40 Petrol B38C Valvetronic Servo Motor Harness
Promo price
PLN 94.95
PLN 85.46
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 8519663-4
Mini Cooper D ALL4 R60 N47N 1.6 Diesel Engine ECU Kit DDE 8519663 CAS3 + Key
Promo price
PLN 759.95
PLN 531.97
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 04L907309G-1
Volkswagen New Beetle 2.0 TDI CUUA 110HP Engine Unit ECU Kit 04L907309G Manual
PLN 949.95
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 8585935
BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
Promo price
PLN 189.95
PLN 132.97
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8355056
BMW 5 X5 Series E53 Fuel Tank Flap Actuator 8355056
Promo price
PLN 47.95
PLN 45.55
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 4F1941824A
Audi A5 F5 Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824A
PLN 61.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A1179005800
Mercedes W176 Airbag Belts System Control Unit Module ECU Bosch A1179005800
Promo price
PLN 189.95
PLN 170.96
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. A1729006609-2
Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
Promo price
PLN 617.95
PLN 556.16
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 7856771
Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 1-4 Loom Valve Ignition 7856771
Promo price
PLN 284.95
PLN 256.46
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. A2478207502
Mercedes C118 W177 W243 W247 Centre Console Dual USB-C Socket Ports A2478207502
PLN 123.95
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 8K0971095E
Audi A4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095E
Promo price
PLN 294.95
PLN 265.46
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 4H0959591A
Audi A8 D4 4H Sunroof Wind Deflector Module Control Unit 4H0959591A
PLN 123.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 9299265
BMW 1 2 3 Series F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9299265
PLN 474.95
Free delivery - Thu, Dec 18
If paid before 14:00
Part no. 7948147
BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor 7948147
PLN 42.95
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A1698208526
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
Product currently unavailable
Part no. N1XT-14630-TFE
VW Volkswagen Amarok NF Front Door Harness Wiring Passenger Side N1XT14630TFE
PLN 189.95
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2139062202
Mercedes W213 W222 Fuse Box Rear Electrical Fuse Unit Module A2139062202
Promo price
PLN 94.95
PLN 90.20
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 8693361
BMW F87 M2 Engine Control ECU Kit DME 8693361 N55 370HP Key Dual Clutch
Promo price
PLN 3,324.95
PLN 2,327.47
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 6960308
BMW 1 Series E88 Convertible Rear Bumper FM Radio Aerial Antenna 6960308
Promo price
PLN 65.95
PLN 62.65
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2129003922-1
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
PLN 170.95
PLN 162.40
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2038700426
Door Module Mercedes CL203 Front Right O/S Control Unit A2038700426
Promo price
PLN 132.95
PLN 126.30
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 5Q0959393
Audi A3 8V Control Unit Central Door Locking Module ECU 5Q0959393
Promo price
PLN 123.95
PLN 111.56
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. A2045420323
PDC Display Mercedes W204 Front Parking Sensor Screen Control Unit A2045420323
Promo price
PLN 61.95
PLN 58.85
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 5LA907357H
Audi A6 C6 Front Lamp Headlight Range Control Module Unit ECU 5LA907357H
Promo price
PLN 94.95
PLN 90.20
Free delivery - Thu, Dec 18
If paid before 14:00
-30%
Part no. 7848469
BMW F80 M3 F82 F83 M4 Wiring Harness Engine Gearbox Module 7848469
Promo price
PLN 427.95
PLN 299.57
Free delivery - Thu, Dec 18
If paid before 14:00
-10%
Part no. 9227181
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359227181 9227181
Promo price
PLN 123.95
PLN 111.56
Free delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8K0959793S
Audi A4 B8 Front Door Control Module Unit ECU 8K0959793S
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
-5%
Part no. 8W1959595D
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595D
Promo price
PLN 42.95
PLN 40.80
Delivery - Thu, Dec 18
If paid before 14:00
Part no. 5F4035225B
Seat Leon Mk3 Antenna Amplifier Module FM Right O/S Aerial Booster 5F4035225B
PLN 189.95
Free delivery - Thu, Dec 18
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 .