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. 7520912
BMW E60 E61 E63 E64 LCI Cover Electronic Box 7520912
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A0025428319
Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A1679008207
Telematics Module Mercedes W177 W247 Communication Control Unit ECU A1679008207
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. A2469000005
Mercedes W176 PDC Parking Distance Control Module Unit A2469000005
€66.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9335298
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9215715
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2139005223
SAM Module Mercedes W213 C238 Control Unit Front ECU A2139005223
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 9312764
Body Control Module BMW F10 LCI ECU Junction Box PL6 JBBFE III V2 9312764
Promo price
€56.95
€48.41
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6994419
BMW G20 Power Distribution Fusebox Cover Fuse Box Terminal 6994419
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A2579005100
Mercedes Sprinter W907 Telematics Services Communication Module A2579005100
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 8650701-1
BMW F80 M3 F82 F83 M4 S55 431HP Engine Module ECU DME Kit 8650701 Automatic
€1,125.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 1K0937132F
Vw Golf 5 Audi A3 8P Seat Leon 1P1 Fuse Box Cover Trim Panel Housing 1K0937132F
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 8516739
Mini One D R56 LCI R60 90HP N47N Engine Control Unit ECU DDE 8516739 Manual
€113.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A0038202926
Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2168204726
Mercedes W221 Bluetooth Control Module Mobile Phone Interface A2168204726
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 6949229-2
4 x Mini R52 Convertible DWA Door Alarm System Module Control Unit Set 6949229
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8380945
Genuine BMW 5 X5 Series E39 E53 Aerial Trap Circuit Antenna Noise Filter
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 4542789
Mini Cooper One R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 4542789
€28.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8K0959754H
Audi A5 8T Remote Button Smart Key Fob Unit 8K0959754H
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 8610635-3
BMW F20 F30 F31 120i 320i N20 184HP Engine Control Unit ECU DME 8610635 Manual
€237.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2075405205
Mercedes W207 Door Cable Wiring Loom Front Left Right Door N/O/S A2075405205
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 5Q0907361G
Seat Leon Mk3 5F Fuse Box Control Unit Module Relay Box 5Q0907361G
€28.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2469008516
Parking Brake Module Mercedes W176 W246 Electric Control Unit ECU A2469008516
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 05E907309-3
Volkswagen Golf VII 5G 1.5 TSI DACA 130HP Engine Control ECU 05E907309 Automatic
€32.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9267958
BMW F20 F30 MINI F56 Control Unit Air Conditioning Module 9267958
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 4H0907064BN
Audi A6 C7 Saloon CCM Comfort Control Module Onboard Unit ECU 4H0907064BN
Promo price
€51.95
€31.17
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2216890614
Mercedes W221 PDC Distance Control Holder Bracket A2216890614
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. JK2T15K868AB
Ford Transit Custom Rear Bumper PDC Cables Wiring Loom Harness JK2T-15K868-AB
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6933268
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933268
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 9287441
BMW F21 F22 F23 Wiring Loom Harness Passenger Side 9287441
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2229001306
Mercedes W910 Gearbox Module Transmission Basic Control Unit A2229001306
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. P0396890
BMW 1 Series E82 Rear Bumper PDC Cables Wiring Loom Set 0396890
Promo price
€80.95
€48.57
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A2479002307
Mercedes W177 W247 4Matic Transfer Control Unit Module ECU A2479002307
Promo price
€137.95
€82.77
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 4G8971365
Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2465405933
Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 1K0971349JQ
Audi A3 8P 1.2 TFSI CBZB Alternator Wiring Harness Cable Loom 1K0971349JQ
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6911584
BMW E65 E66 Steering Wheel MFL Phone Switch Buttons Left N/S 6911584
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9160558
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 9399427-1
Radio Head Unit BMW F20 F21 F22 F30 F31 Basic Media Navigation Headunit 9399427
€113.95
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 6824108
BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 8W0419065D
Audi A4 B9 A5 F5 Power Steering Column Control Unit Module 8W0419065D
Promo price
€47.95
€28.77
Free delivery - Tue, Dec 09
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 - Wed, Dec 10
If paid before 14:00

-40%
Part no. 9387561
Head Unit BMW I3 I8 Mini F56 Navigation Sat Nav DAB High Control Module 9387561
Promo price
€227.95
€136.77
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9214813
BMW X5 E70 Safety Airbag Control Unit Module ECU X6 E71 Bosch 9214813
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 7545877
Battery Cable BMW E60 E61 E63 E64 N62N Alternator Starter Base B+ Lead 7545877
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 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 - Wed, Dec 10
If paid before 14:00

-15%
Part no. 7583225-11
BMW E87 LCI E90 118i 318i N43 143HP ECU Control Kit DME 7583225 Automatic
Promo price
€270.95
€230.31
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2124405833
Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2124405833
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6933267
BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6933267
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A0009056001
Battery Cable Mercedes W213 S213 Negative Lead Wiring Harness A0009056001
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 6874337
BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6874337
€61.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 4F9035225AA
Audi A6 C6 Antenna Amplifier Control Unit Module 4F9035225AA
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 8512047-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8512047 Automatic
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 4H0035225N
Audi A8L 4H Antenna Aerial Amplifier 4H0035225N
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 9393667
BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9393667
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 9186215-1
BMW E90 M-Audio Controller System Control Unit Module Navigation 9186215
Promo price
€123.95
€74.37
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8379766
BMW E65 E90 E91 E92 E93 Auto Boot Release Switch Tailgate 8379766
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6933270
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 6933270
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A1765400103
Battery Cable Mercedes C117 W176 Starter Alternator Wiring Harness A1765400103
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9341546
BMW F40 G20 G30 Accelerating Sensor 9341546
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 8720310
Telematics Module Mini F54 F55 F56 F60 Bluetooth Control Unit ECU 8720310
€61.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A1775402111
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775402111
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6929556
BMW E65 E66 Driver's Seat Air Module Sensor Control Unit Module 6929556
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 7790996
Mini One D R50 W17 Base B+ Battery Terminal Point Engine Compartment 7790996
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A1768200704
Sunroof Wiring Mercedes C117 W176 Panoramic Motor Cable Harness A1768200704
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 5G6867657
Volkswagen Golf 5G Mk7 Rear Lamp Light Bulb Cover Left N/S 5G6867657
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 5Q0971250P
Audi S3 8V Battery Wire Cable Negative Earth Lead 95Q0971250P
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 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 - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6981142
Window Lifter Motor BMW E60 E61 Drive Actuator Front Right O/S 6981142
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 03E971612AE
Volkswagen Polo 6R Mk5 Engine Wiring Loom Harness Cable 03E971612AE
€123.95
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2535407830
Mercedes C253 AMG Rear Bumper PDC Wiring Parking Sensor Loom Harness A2535407830
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A1718701410
Mercedes SLK R171 Alarm Anti Theft System Control Module Unit Roof A1718701410
Promo price
€94.95
€80.71
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9218261
Mini Clubman R55 Clubdoor Cable Wiring Loom Harness Set 9154133
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 9266410
BMW X3 F25 X4 F26 Central Gateway Module Control Unit Lear ZGW-02 9266410
€28.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 7222633
BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 5Q0937125G-1
Seat Ateca Audi Q3 Mk2 TT 8S Fuse Relay Box Engine Bay Supply Unit 5Q0937125G
€37.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6951855
BMW 6 E64 E64N LCI Convertible Suppression Filter Aerial Module Antenna 6951855
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 4E0941817B
Audi A6 A8 D4 Q7 4M CAN Bus Jumper Contact Bridge Connector Plug 4E0941817B
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 5WA915343B
Battery Bracket VW Golf 8 CD1 Audi A3 8Y Battery Clamp Holder 5WA915343B
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 1K0906093D
Volkswagen Golf Mk5 Fuel Pump Control Relay Module Unit ECU 12V 1K0906093D
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 6989080-OLI
BMW E65 E66 E67 PDC Rear Parking Sensor Ultrasonic Olivin Metallic
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2055400555
Mercedes W205 Door Electrical Wiring Harness Front Left N/S A2055400555
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 6820386
Mini F54 F55 F56 Operating Unit Audio Radio Control Switch Panel 6820386
Promo price
€474.95
€284.97
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8W1959595
Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6872066
Mini F54 F60 Trailer Towing Control Module Cover Bracket Mounting 6872066
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2465400340
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. 9316576
BMW 3 Series F30 F31 Battery Cable Wire Lead Positive Underfloor 9316576
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 9328591
BMW X6 F16 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9328591
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2048702126
Mercedes W204 Door Module Control Unit Module Front Right O/S A2048702126
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. A2229005315
Bluetooth Module Mercedes W176 W205 Multimedia Control Unit ECU A2229005315
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 8373700-1
BMW E60 E63 E87 E90 E91 2X Relay Make Contact White Green Set 8373700
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 9128569-1
BMW 1 Series E81 E82 E87 LCI E88 Wiring Harness Air Valve Air Flap 9128564
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6958525-1
BMW 5 X5 X6 Series 1 E60 E61 E70 F07 F10 F11 Seat Adjustment Switch Left N/S
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-15%
Part no. 2G0971104C
Volkswagen Polo Mk6 PDC Sensor Wiring Loom Harness Cable Rear Bumper 2G0971104C
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. A2218211251
Mercedes W221 Dashboard Instrument Cluster Panel Button Switch A2218211251
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 2Q0971537AB
VW Polo Mk6 Seat Ibiza Mk5 KJ1 Battery Negative Cable Earth Wiring 2Q0971537AB
€23.95
Free delivery - Wed, Dec 10
If paid before 14:00

Part no. 7P6907530C
VW Volkswagen Touareg 7P MK2 Gateway Control Unit Module ECU 7P6907530C
€28.95
Free delivery - Wed, Dec 10
If paid before 14:00

-40%
Part no. A6429002900-4
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key Lock
Promo price
€503.95
€302.37
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 4H0035225
Audi A8L 4H Aerial Antenna Amplifier AMP Booster Module 4H0035225
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 10
If paid before 14:00

-5%
Part no. 6938217
BMW 3 Series E90 E91 Wiring Loom Cable Front Door Left Passenger Side 6938217
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 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 .