Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 7791352
BMW X5 Series E53 3.0d M57N Cable Starter Base B 7791352 12427791352
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 7520429
BMW 1 3 Series E87 E90 E91 Petrol N45 N46 118i 320i Flywheel Automatic 7520429
Promo price
€30.95
€26.31
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6926961-1
BMW E60 E61 X5 E70 X6 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6926961
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6R0915181E
Audi A1 8X Battery Cable Loom Harness Wiring Negative Terminal 6R0915181E
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2055451500
Power Connection Mercedes W205 W213 C238 X253 Battery Starter Alternator Wiring
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8573260-7
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 Key FEM Lock Manual
Promo price
€441.95
€265.17
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2059067200
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9252550
BMW F10 F12 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9252550
€94.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6835155
BMW 1 2 3 Series F40 F44 G20 Radio Antenna Amplifier Suppression Filter 6835155
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8P0907063R
Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R
€123.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 5QS915181
Audi A3 S3 8Y Battery Negative Terminal Cable Wire 5QS915181
€56.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2055463100
Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2049005003
Mercedes S204 Estate Fuse Box Rear SAM Module Control Unit A2049005003
Promo price
€51.95
€44.16
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2045420623
Mercedes W204 Warning Device Parktronic Display Rear Sound Signal A2045420623
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 5Q0971250Q
Audi A3 S3 8V Negative Battery Terminal Earth Cable Lead Wiring 5Q0971250Q
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 9217033
Battery Cable BMW F01 F02 Positive Wiring Plus Pole Red 9217033
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 4H0919275-SDA
Skoda Octavia 1Z PDC Parking Sensor 4H0919275 Anthracite Grey Metallic - F8J
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8580389
BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Diesel Engine Starter Motor 8580389
€61.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9293311
BMW F20 F21 F30 F31 Rear Body Control Unit Module REM 9329703
€32.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6864206
Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8644492
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 2 Harness 8644492
Promo price
€70.95
€42.57
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6826985
BMW F22 F23 F30 F34 LCI Control Unit Air Module ECU 6826985
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 99661510100
Porsche Boxster 986 Fuel Pump Relay Control 12V 15A 99661510100
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 95B919606E
Porsche Macan 95B MMI Multimedia Navigation Control Head Unit 95B919606E
€332.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6980177-2
BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6R0802717B
Seat Ibiza 6J Audi A1 8X Battery Tray Holder Mounting Bracket Cover 6R0802717B
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2078201089
Mercedes W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201089
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 89393773
Audi Q7 4L Headlight Module Ballast Control Unit 89393773
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9329339
BMW F32 Telematics Telephone Control Unit Module Bluetooth TCB ECE 9329339
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8200881264
Alternator Support Nissan Qashqai Renault 2.0 dCi Engine Bracket 8200881264
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. NTG-SCREEN
Mercedes W212 Display Screen Radio Multimedia Navigation Sat Unit NTG4 4+64 GB
Promo price
€237.95
€142.77
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9110621
BMW 3 Series E90 E92 LCI Suppression Filter for Antenna 9110621 652 9110621
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6950374
Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8506374-6
BMW E60 E87 E90 120d 177 HP N47 ECU Engine Control Unit DDE 8506374 Manual
Promo price
€113.95
€96.86
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 3Q0907338P
Audi Q2 GA Headlight Light Headlamp Lamp Control Module Unit ECU 3Q0907338P
€104.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9243896-1
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8K0959792D
AUDI S5 8T Door Control Module ECU Front Left N/S 8K0959792D
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8368932
BMW E39 Alarm Sensor Comfort Control Module Unit ECU 55892110
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2465400512
Seat Wiring Mercedes C117 Front Seat Left Wiring Harness a2465400512
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 1S0919275D-TOG
Audi Q3 8U PDC Parking Distance Control Sensor Tornado Grey-X7P 1S0919275D
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9874189
BMW 1 3 Series F20 F30 MINI F56 Control Unit Air Conditioning Module 9284440
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0009054807-2
Mercedes W118 W177 W206 W247 NOX Sensor Electronics Module A0009054807
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2139005311
Mercedes W213 Head Unit CD Media Player Audio Auto Radio Controller A2139005311
Promo price
€170.95
€102.57
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 899543000
Porsche Boxster 986 A/C Air Conditioning Relay Control 12V 10A 899543000
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9247467-1
BMW E92 LCI Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8X0971693A
Audi A1 8X Door Wiring Harness Loom Rear Left Right N/O/S Cabling 8X0971693A
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2749000800-7
Mercedes W205 C200 274.920 184HP Engine Control ECU Kit A2749000800 Automatic
€303.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6947786
BMW E60 E61 E63 E64 Steering Column Adjuster Switch 6947786
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8512415-9
Mini One D R60 N47N 90HP Diesel Engine Control Module ECU DDE 8512415 Manual
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9166869
Mini Cooper R56 Hands-free Electronics Charging MULF2 9166869
Promo price
€108.95
€65.37
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8649179
BMW X5 F15 Positive Wiring Harness Cable Battery 8649179
Promo price
€89.95
€53.97
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A0009009114
Mercedes W205 Air Conditioning Climate Control Module ECU A0009009114
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2465406809
Mercedes W176 W246 Wiring Loom Cable Door Rear Left Right N/O/S A2465406809
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 4H0959795P
VW Touareg 7P Rear Door Module Control Unit Left Right N/O/S 4H0959795P
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8T0035225J
Audi A5 8T Antenna Aerial Amplifier Module Control Unit 8T0035225J
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 4F1910336B
Telephone Control Module Audi A8 4E S8 D3 Bluetooth Unit 4F1910336B
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 9312768
BMW F06 F07 F10 F11 Comfort Module Body Control Unit Module BCM Unit ECU 9312768
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2056105402
Mercedes W205 Battery Recess Trunk Floor Battery Box Base Plate A2056105402
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 6H52-18C808-BD
Land Rover Freelander II Audio Amplifier Control Module 6H52-18C808-BD
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A4479053905
Mercedes W447 Aerial Antenna Amplifier Control Unit Module A4479053905
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2035407408
Mercedes-Benz C W203 Rear Left Right Door Wiring Loom Harness A2035407308
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2045402610
Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9805533-1
Mini R60 Rear PDC Parking Sensor Royal Grey Metallic - A48 9805533 SET x2
€28.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9257426
Fuse Box Grouping BMW F10 F11 Fuse Placement Map Card Diagram 9257426
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 6J0035342E
Seat Altea 5P1 Media-IN Socket Multimedia Interface Module 5P0035341G
€42.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9381113
Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 9381113
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A2539059800
Mercedes W205 Lid Boot Trunk Tailgate Smart Opener Control Module A2539059800
€37.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8K0907401-1
Audi A5 8T 3.0TDI CAPA Quattro 240HP Engine ECU Kit Ignition 8K0907401 + Key
€227.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 2Q0980653G
Audi Q2 GA Front Camera Module Lane Assist Control Unit 2Q0980653G
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 8506375-3
BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + Key
Promo price
€113.95
€68.37
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9231283-IBB
PDC Parking Sensor BMW X5 E70 F10 Ultrasonic Sensor Imperial Blue A899231283
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 4E0907280B
Audi A8 4E S8 D3 Power Supply Control Module Unit ECU 4E0907280B
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 504092575
Iveco Daily 3 Electrical Wire Earth Cable Battery Power Wiring 504092575
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A0045454140
Mercedes ML W164 W251 Door Wiring Joint Protective Cap Bracket
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8570659
Wiring BMW X3 F25 N47N Engine Automatic Gearbox Module Wiring Harness 8570659
Promo price
€47.95
€40.76
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 1357210
DAF 85CF 85.430 XF 315M Starter Motor 1357210
Promo price
€89.95
€76.46
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 1432237
BMW 3 5 7 Z3 Z4 X5 Series E38 E39 E46 E53 Climate Comprresor Supporting Bracket
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 3Q0959354A
Seat Leon Mk3 Door Crash Impact Sensor Front Left Right N/O/S 3Q0959354A
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9878658
BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9878658
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 8058634
Engine Wiring BMW X3 M F97 X4 M F98 Loom Harness Ignition Module 8058634
€237.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2218201875
Mercedes W221 Aerial Antenna Control Unit Keyless Go Entry Module A2218201875
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8721882
BMW F20 F21 F22 F30 F31 LCI Head Unit Media DAB Navigation Professional 8721882
Promo price
€522.95
€444.51
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 1K0971250AL
Audi A3 8P Negative Battery Terminal Cable Wiring Battery Wire 1K0971250AL
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 5Q4959592C
Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592C
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2118210197
Mercedes E-Class W211 Rear Door Wiring Loom Harness Rubber Grommet A2118210197
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 1K0937086S
Seat Altea 5P1 Body Control Comfort Unit Module BCM 1K0937086S
€70.95
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. A1669003208
Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208
€142.95
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2649001200
Mercedes W177 A35 AMG 306HP M260.920 4-Matic Engine ECU Control Unit A2649001200
Promo price
€227.95
€136.77
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. 9274276
BMW F07 Gran Tourismo Headlight Footwell Light Control Module FRMIII 9274276
Promo price
€51.95
€31.17
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. 8617709
BMW Mini Cooper F55 F56 Wiring Harness Motor Sensorsystem Module 8617709
Promo price
€113.95
€96.86
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 8T0959795J
Audi A5 8T Rear Door Module Control Unit Module ECU Left Right N/O/S 8T0959795J
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. A2218705087
Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6949382
BMW E65 E66 Rear Door Wiring Harness Loom Cable 6949382
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 9238195
Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A2139002817
Mercedes W177 W205 C257 Radar Sensor Front Control Unit Module A2139002817
Promo price
€189.95
€113.97
Free delivery - Mon, Dec 29
If paid before 14:00
Part no. 9171984
BMW E60 E61 E63 E64 LCI Control Unit Lane Departure Warning Module ECU 9171984
€23.95
Free delivery - Mon, Dec 29
If paid before 14:00
-15%
Part no. A2059007218-2
Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 29
If paid before 14:00
-40%
Part no. A1779002510
Mercedes W177 W247 Safety Module Air Module SRS Control Unit ECU A1779002510
Promo price
€142.95
€85.77
Free delivery - Mon, Dec 29
If paid before 14:00
-5%
Part no. 6928267
BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 29
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 .