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. 8573260-10
BMW F20 F21 116d Diesel N47N 116HP ECU Kit DDE 8573260 + Keys + FEM Manual
€332.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 1439740
BMW X5 E53 Cable Starter-Base B Electrical Cable Wiring 3.0i M54 Petrol 1439740
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2059006615
Mercedes W205 Windscreen Rain Sensor Front Control Unit A2059006615
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 7527610-13
MINI One R50 W10 90HP Engine ECU Control Unit Module DME 7527610 Automatic
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 7843332
Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332
Promo price
€132.95
€79.77
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A1769051600
Mercedes W176 Front Pressure Impact Crash Sensor Unit Module
Promo price
€56.95
€48.41
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A2465401350
Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2465401350
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 3455305-2
3 x Mini R57 R58 R59 DWA Door Alarm System Module Control Unit Set 3455305
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9117801
Battery Bracket BMW X3 G01 X4 G02 Rear Holder Mount Carrier Support 9117801
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2044401705
Mercedes S204 Door Wiring Loom Cable Rear Left Right N/O/S A2044401705
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9343287
BMW i3 I01 Mini F56 Air Conditioning System A/C Control Unit Module 9343287
Promo price
€75.95
€64.56
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8K0959793Q
Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793Q
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A2118704626
Driver Seat ECU Mercedes W203 A209 W211 Memory Control Unit Module A2118704626
Promo price
€132.95
€79.77
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A6421509478
Mercedes ML W164 OM642 Diesel Engine Control Unit Module ECU A6421509478
Promo price
€189.95
€113.97
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8T0035223AP
Audi A4 S4 B8 Audio Amplifier Sound Booster Control Unit Module 8T0035223AP
Promo price
€189.95
€161.46
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. A2048708626
Mercedes W212 Media Interface Control Module Unit ECU A2048708626
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A2229067403
Mercedes W177 W247 M260 Exhaust Control Valve Flap Actuator Drive A2229067403
Promo price
€170.95
€102.57
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8654635
Mini Cooper S F55 F56 Petrol Positive Battery Alternator Starter Cable 8654635
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6998487
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6998487
Promo price
€155.95
€132.56
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A0045450405
Mercedes W169 W203 W639 W906 Relay 5-Pins Green Control Unit 12V A0045450405
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A0005457616
Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616
Product currently unavailable
-15%
Part no. A0141541102
Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102
Promo price
€94.95
€80.71
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 6906614
Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906614
Product currently unavailable
-15%
Part no. 9196935
Seat Module BMW X1 E84 E87 E90 E91 Seating Control Unit ECU 9196935
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9224866
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6934648
BMW X5 E70 E91 LCI Touring Tailgate Trap Circuit Aerial Amplifier 6934648
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6904620
BMW 7 Series E65 E66 Diversity Antenna Tuner Amplifier Wiring 6904620
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 3C0937125A
Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 04L907309A-1
Audi A3 8V 2.0 TDI CRLB 150HP Engine ECU Kit Ignition + 2 Keys 04L907309A Manual
Promo price
€284.95
€170.97
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2469009413-1
Mercedes W176 W246 Control Unit Body Control Module ECU A2469009413
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 3455306-2
4 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306
Promo price
€23.95
€20.36
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A0025421419
Mercedes A C E M W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A0009004613
EGR Module Mercedes W177 W205 Exhaust Gas Recirculation Unit ECU A0009004613
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
€47.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. X3E83REARWIRINGLOOMPDC
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9289580
Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen CID 8,8" 9289580
Promo price
€113.95
€96.86
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. A0028201326
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326
Product currently unavailable
-40%
Part no. 9290989-2
Radio Professional BMW F30 F31 F32 CD Bluetooth Player 9290989
Promo price
€85.95
€51.57
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A9075407312
Mercedes W907 Battery Fuse Box Positive Distribution Terminal A2479061803
Promo price
€56.95
€34.17
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6926445
BMW 5 Series E60 E61 LCI Heated Front Seat Control Module 6926445 9182128
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9230046
BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
Promo price
€37.95
€32.26
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 4F0953549A
Audi S6 C6 Steering Column Wiper Switch Stalk Cruize Control 4F0953549A
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6919812
BMW E60 E65 E66 E67 Front Seat Sensor Mat 6919812
Promo price
€28.95
€24.61
Free delivery - Mon, Nov 10
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
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6882969
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air Module 6882969
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 5Q0951605B
Audi Seat Skoda Volkswagen Golf Mk8 Anti Theft Alarm Siren 5Q0951605B
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 8573257-1
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 Automatic
€142.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6990090
BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9354457
BMW F20 F30 F31 F32 Front Seat Control Unit Module ECU 9354457
Promo price
€61.95
€37.17
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8585731
Engine Wiring BMW F30 F31 F36 N47N xDrive Automatic Gearbox Loom Harness 8585731
Promo price
€75.95
€45.57
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 51871158
Vauxhall Combo Fiat Doblo Positive Battery Cable Lead Wire 51871158
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 3455306-1
2 x Mini R57 Cabrio Convertible DWA Door Alarm System Control Module Set 3455306
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A0009002414
Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A2129014204
Mercedes-Benz W212 ECU Control Unit Sensor Module Airbag A2129014204
Promo price
€37.95
€32.26
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 8518568-4
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8518568 Automatic
Promo price
€89.95
€76.46
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 9266383
Display Screen BMW F12 F13 Central Information Monitor 10" Multimedia 9266383
Promo price
€142.95
€85.77
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8516739-6
Mini SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8516739 + CAS3 + Key, Manual
Promo price
€227.95
€136.77
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A0061514101
Starter Motor Mercedes W164 OM642 Diesel Engine Starter Actuator A0061514101
Promo price
€42.95
€25.77
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8586540-5
BMW F30 F32 LCI 330d 430d N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key
Promo price
€398.95
€239.37
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8506444-3
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
Promo price
€256.95
€154.17
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2135409616
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8510221-16
BMW E90 E91 E92 LCI 325d Diesel N57 204HP ECU Engine Module DDE 8510221 Manual
Promo price
€104.95
€62.97
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A2055409750
Door Harness Mercedes W205 Rear Left N/S Door Wiring Loom A2055409750
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8638585
BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6940763
BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6982348
BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2118205885
Mercedes E-Class S-Class W211 W220 Nokia Phone Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 8516739
Mini One D R56 LCI R60 90HP N47N Engine Control Unit ECU DDE 8516739 Manual
Promo price
€113.95
€68.37
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8602994
BMW 1 X1 X2 Series F39 F40 F48 Mini Cooper One F55 F56 Earth Cable Wire 8602994
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 9343304
BMW X5 F15 X4 F26 Antenna Aerial Diversity Trap Circuit Control Module 9343304
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A6394409909
Wiring Loom Mercedes W639 Vito Cable Sliding Door Rear Left N/S A6394409909
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A9079051602
Mercedes W907 Aerial Antenna Amplifier Control Unit Module A9079051602
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2129001529
Mercedes-Benz C E Class W204 W207 W212 Front Left Door N/S Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. H1BT18B955EF
Ford Transit Custom Mk1 Dashboard Radio Head Unit Display H1BT-18B955-EF
Promo price
€94.95
€80.71
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 6917552-BRG
Mini R50 R52 R53 Rear PDC Ultrasonic Parking Sensor British Racing Green
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8K0937517A
Audi A4 B8 A5 8T Battery Postive Terminal Distribution Power Board 8K0937517A
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2465411005
Battery Cover Mercedes C117 W176 W246 Box Trim Lid Panel Housing A2465411005
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 7515200
Mini Cooper R50 R52 R53 Battery Wire Cable Negative Earth Lead 7515200
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8507906
BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 04L903018A
Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A
Promo price
€123.95
€105.36
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A9067601304
Mercedes-Benz Sprinter W906 Front Right Door O/S Handle Bowden Pull Cable
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. A2038301613
Mercedes C CLK Class W203 C209 Engine Bay Fuse Box Right O/S Cover A2038301613
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 6977982-2
Mini Cooper R50 R53 R56 R57 R60 Relay No Contact Taubenblau Blue Set 2X 6977982
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 8321087-1
BMW E60 Front Seat Height Adjustment Electric Motor Actuator 0390203234 8321087
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. A0009057802
Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
€28.95
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. 6843898
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 6843898
Promo price
€132.95
€79.77
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A2049060305
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049060305
Promo price
€108.95
€65.37
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6887358
BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. A1775408312
Door Wiring Mercedes W177 W247 Driver Side Cable Harness Loom A1775408312
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 5Q0907530Q
Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 6935597-TS1
BMW E81 E87 Front Rear Parking Sensor PDC Titansilber Silver 354 6935597
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 6794618
EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618
Promo price
€32.95
€28.01
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 5M5T14B192EA
Ford Transit Custom Relay 4-Pin Black 12V 40A FOMOCO 5M5T14B192EA
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 9289115
Radio Professional BMW E81 E87 E90 E91 LCI Autoradio CD Bluetooth 9289115
Promo price
€170.95
€145.31
Free delivery - Mon, Nov 10
If paid before 14:00
-40%
Part no. A2139002722
Door Module Mercedes W205 W213 X253 Rear Left Door Control Unit A2139002722
Promo price
€56.95
€34.17
Free delivery - Mon, Nov 10
If paid before 14:00
Part no. 420919275-BLM
Audi A5 8T Rear Bumper PDC Parking Distance Sensor Black Magic Pearl - C9Z
€23.95
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. H1BT18K811LF
Ford Transit Custom Mk1 Radio Head Unit Control Panel H1BT18K811LF
Promo price
€37.95
€32.26
Free delivery - Mon, Nov 10
If paid before 14:00
-5%
Part no. 6929701
BMW 7 Series E65 E66 Alarm System Ultra Sonic Module 65756929701 6929701
Promo price
€23.95
€22.75
Free delivery - Mon, Nov 10
If paid before 14:00
-15%
Part no. 7808257
BMW E90 E91 LCI F10 Wiring Harness Engine Glow Module N57 7808257
Promo price
€47.95
€40.76
Free delivery - Mon, Nov 10
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 .