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. A2125403005
Mercedes W212 M271 Wiring Battery Alternator Starter Harness Cable A2125403005
€113.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A2129009705-1
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
€47.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 9270392-2
BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A0009061004
Mercedes W213 C238 C257 Parking Brake Actuator Motor A0009061004
€56.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. GK2112A650CA-2
Ford Transit Custom 2.0 EcoBlue 130HP FWD Engine ECU GK21-12A650-CA Manual
€151.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8K0907383E
Audi A5 8T Towbar Trailer Hitch Control Module Unit ECU HELLA 8K0907383B
€56.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9218381-1
BMW F10 F20 F30 Steering Wheel Module Electronics Control Unit 9209427
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 6C1T-12B637-JJ
Ford Transit Mk7 Engine Wiring Loom Harness Cables 2.2 TDCi 6C1T-12B637-JJ
Promo price
€132.95
€113.01
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. H1BT18K811LF
Ford Transit Custom Mk1 Radio Head Unit Control Panel H1BT18K811LF
€37.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. H1BT18B955EF
Ford Transit Custom Mk1 Dashboard Radio Head Unit Display H1BT-18B955-EF
€94.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. KV6T10C679BC
Ford Transit Connect Battery Cable Negative Lead Terminal Harness KV6T10C679BC
€28.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 03L903023K
Audi A3 8V A4 A5 B8 Alternator Generator Electrical Unit Diesel 03L903023K
Promo price
€61.95
€52.66
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. KV6T-14B060-AAF
Ford Transit Connect Battery Cable Engine Wiring Harness Loom KV6T-14B060-AAF
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 7809999-3
BMW X3 E83 LCI 1.8sd 2.0sd N47 177HP Engine Control Unit ECU DDE 7809999 Manual
€180.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 42024550
Mercedes W176 W246 C117 Starter Motor Herth+Buss Diesel Engine OM651 42024550
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. JK2T14F642AC
Ford Transit Custom Data Link Obd Port Module JK2T-14F642-AC
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. GK2T14B526CE
Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. JK2T15K868AB
Ford Transit Custom Rear Bumper PDC Cables Wiring Loom Harness JK2T-15K868-AB
€47.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8573257-9
BMW F20 F30 F32 120d 320d 420d Diesel N47N 163HP Engine ECU DDE 8573257 Manual
€32.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. FV6T-14324-BBB
Ford Transit Connect Mk2 Starter Earth Ground Wire Cable FV6T14324BBB
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 55585024
Vauxhall Opel Insignia A 2.0 TDCI Engine Control Module 55585024 Manual
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9663381380
Peugeot 207 Engine Wiring Harness Cable Loom 1.6 HDi DV6 9663381380
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9648588880
Peugeot 206 2.0HDI 90HP DW10TD Engine Control Unit ECU 9664843780 Manual
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9247481
BMW X3 F25 Control Module CAS Unit ECU 20dX Diesel N47N 9247481
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 95230-4H200
Hyundai H-1 iLoad Relay Module Control Unit ECU 95230-4H200
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 7578020-7
BMW E60 E90 LCI 325i 525i N53 218HP Engine Control Unit ECU DME 7578020 Manual
€436.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8578946-3
BMW F20 F30 F32 120d 320d 420d 184HP N47N Engine ECU Kit DDE 8578946 Automatic
€142.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. GK3T-14A120-AC
Ford Transit Positive Battery Lead Harness Wiring Cable Loom GK3T-14A120-AC
Promo price
€51.95
€44.16
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9643218980
Peugeot 206 1.6 NFU TU5JP4 109HP Engine Control Unit ECU 9643218980 Manual
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A2709002100-15
Mercedes C117 CLA 180 270.910 122HP Engine ECU Kit A2709002100 Automatic
€503.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 575035736A
Seat Ibiza FR Double USB C Charging Port Socket Connection 575035736A
€32.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. KT1T18B955EB
Ford Transit Connect Mk2 II Dashboard Display Screen Panel KT1T-18B955-EB
€123.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 059903143K
Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A0005458416
Mercedes W639 Automatic Gearbox Control Unit Module ECU A0005458416
Promo price
€279.95
€237.96
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8W1907063AG
Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AG
€284.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2188201926
Mercedes CLS C218 Bi-Xenon Headlight Ballast Module Control Unit A2188201926
Promo price
€89.95
€76.46
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 6R0971349AM
Volkswagen Polo Mk5 V 6R Battery Cable Alternator Starter 6R0971349AM
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 03C903023F
Volkswagen New Beetle 1.4 TSI Petrol Engine Alternator Motor 14V 110A 03C903023F
Promo price
€66.95
€56.91
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. BK3T18D815BG
Ford Transit MK8 Radio Head Unit Control Panel BK3T-18D815-BG
€32.95
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-15%
Part no. A6549003300
Mercedes W177 Glow Plug Relay Preglow Module Diesel OM654 A6549009900
Promo price
€42.95
€36.51
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-15%
Part no. 7524715
BMW Z4 E85 Roadster Starter Earth Ground Wire Cable 2.0 Petrol 7524715
Promo price
€51.95
€44.16
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. HC345H297AA
Ford Transit Mk8 2.0 EcoBlue AdBlue Module Control Unit HC34-5H297-AA
€28.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8662411-5
BMW F22 F23 F30 F31 LCI 218i 318i B38 136HP Engine ECU DME 8662411 Manual
€237.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. GK2T15604FAF
Ford Transit Mk8 VI Body Control Module Fuse Box GK2T-15604-FAF
€146.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 5G0971104L
VW Volkswagen Golf Mk7 Wiring Loom PDC Rear Harness Parking Sensor 5G0971104L
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 06L903027
Audi Q5 FY Alternator Generator Valeo 2.0 TFSI 06L903027
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. KV6T-11000-BC
Ford Transit Connect Starter Motor Engine 1.5 TDCI Diesel KV6T-11000-BC
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A1645400436
Mercedes ML164 Alternator Wiring Starter Motor Harness OM642 A1645400436
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A2065403645
Mercedes W206 Front Door Wiring Harness Cable Left Right N/O/S A2065403645
€94.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 06J903023BX
Audi A1 8X Seat Leon Mk3 Cupra 5F Alternator Generator Petrol Engine 06J903023BX
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A6511501879-8
Mercedes Vito W639 651.940 116 CDI 163HP Engine ECU Kit A6511501879 Lock + Key
€379.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 9314229
BMW F20 Front Electronic Module Body Control Unit FEM ECU 9314229
€284.95
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 3C8035730
VW Volkswagen Tiguan 5N Bluetooth Interface Control Module ECU 3C8035730
€42.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. DE8T19H463DC
Ford Transit Connect Mk2 II Rain Sensor Control Unit Module FoMoCo DE8T19H463DC
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. F1FT10C679BA
Ford Transit Mk7 V Negative Battery Terminal Cable Wiring F1FT10C679BA
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. AV6T14A067BC
Ford Transit Connect Mk2 II Fuse Box Battery Terminal Unit Module AV6T14A067BC
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 9384988
BMW F20 F45 F46 Kafas Camera Control Module Unit ECU 9384988
€23.95
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-15%
Part no. 2706050200
Lexus LS400 1UZFE V8 Petrol Engine Alternator Generator Denso 2706050200
Promo price
€170.95
€145.31
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 9144260
BMW F01 F02 F20 F21 Interior Antenna Aerial Convenience Comfort Access 9144260
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 9118263
BMW F01 F02 F03 F10 Antenna Amplifier Module Trap Circuit 9118263
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 5Q0971250T
Volkswagen Golf Mk7 Seat Leon 5F Battery Wire Negative Earth Lead 5Q0971250T
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8X0959793B
Audi A1 8X Door Module Control Unit Controller Front Driver's Side 8X0959793B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8X0959792B
Audi A1 8X Door Module Control Unit Controller Front Passenger's Side 8X0959792B
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8C1T18K931AD
Ford Transit Mk7 V Radio CD Multimedia Player Head Unit ECU 8C1T-18K931-AD
€332.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 0CQ907554E
Rear Diff Module Seat Leon Cupra 5F VW Golf Mk7 4motion Control Unit 0CQ907554E
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A2049003509
Mercedes W204 S204 Radio Head Unit Sat Nav CD Player 2049003509
€51.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8K0915181H
Audi A1 8X Negative Minus Battery Terminal Cable 1.4 TFSI CAXA Petrol 8K0915181H
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A1679008311
Mercedes C238 Door Control Unit Module ECU Front Left N/S A1679008311
€47.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A0015452616
Mercedes W212 Transmission Control Unit Module VDO EGS 722.646 A0015452616
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 03L903023
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
Promo price
€42.95
€36.51
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 4G8959795F
Audi A7 4G Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795H
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 6R0937085B
Volkswagen Polo 6R BCM Body Comfort Control Module Unit ECU 6R0937085B
€66.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. AV6Q6M0
Ford Transit Connect Mk2 Glow Plug Wiring Harness Engine AV6Q6M0
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 6C1T14A481CC
Ford Transit Mk7 Fuse Box Body Control Module ECU 6C1T14A481CC
Promo price
€70.95
€60.31
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8V21-11000-AE
Ford Transit Connect Mk2 Diesel Starter Motor 8V21-11000-AE
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8K0971104AE
Audi A5 8T Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104AE
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. AT1T-15T850-AA
Ford Transit Connect PDC Parking Aid Warning Control Module Unit AT1T-15T850-AA
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 5M5T14B192CA
Ford Transit Custom Relay 4-Pin Black 12V 40A FOMOCO SET 5M5T14B192CA
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
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 - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8610635-3
BMW F20 F30 F31 120i 320i N20 184HP Engine Control Unit ECU DME 8610635 Manual
Promo price
€237.95
€202.26
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 079903805J
Audi A4 B6 B7 4.2 V8 FSI Alternator Bracket Mount Holder 079903805J
Promo price
€51.95
€44.16
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. RHD-8T2035186Q
Audi S3 8V Multimedia MMI Radio Stereo Audio Head Unit CD Player 8T2035186Q
€32.95
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 5A243F5-1
Ultrasonic Sensor BMW F70 G60 U06 Rear Parking PDC Set Portimao Blue - C31
Promo price
€132.95
€113.01
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 4H0919275-SHB
VW Golf Mk6 Audi TT 8J Parking Distance Control Sensor Shark Blue Metallic - A5Q
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. A1685453532-2
Mercedes W168 A140 ESP + HBA Electronic Stability Control Module A1685453532
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. D1BT14D212NA
Ford Transit Connect Mk2 II Bluetooth Control Module Unit ECU D1BT14D212NA
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A2218707386
Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. A0038206926
Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 8507918
BMW F20 F21 N47S1 Engine Wiring Harness Injector Module Loom Cable 8507918
Promo price
€104.95
€89.21
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. DT1T14B321AG
Ford Transit Connect Mk2 II Air Module Control Unit ECU DT1T14B321AG
Promo price
€56.95
€48.41
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. GV6T14A073DF
Ford Transit Connect Mk2 II Fuse Box Body Control Module GV6T14A073DF
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 22
If paid before 14:00
-15%
Part no. 028903025G
Volkswagen Polo 6N Alternator Generator BOSCH 14V 70A 028903025G
Promo price
€61.95
€52.66
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 7619143
BMW F20 F21 F30 F31 Valvetronic Servomodule Wiring Cable Loom Harness 7619143
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. 8H0959655E
Audi A4 S4 B7 Cabrio Air Module Control Unit ECU Impact Sensor 8H0959655E
€23.95
Free delivery - Wed, Oct 22
If paid before 14:00
-5%
Part no. 8C113C190AB
Ford Transit Mk7 Yaw Rate Speed Control Unit Sensor Meter 8C113C190AB
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 22
If paid before 14:00
Part no. A0009003206
Mercedes W205 W222 Fuel Pump Module Control Unit A0009003206
€23.95
Free delivery - Wed, Oct 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 .