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. A0038201926
Mercedes W221 Door Crash Impact Sensor Rear Left Right N/O/S A0038201926
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2475400600
Mercedes W177 Rear Axle Wheel RPM Speed Right Sensor Wire Harness A2475400600
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2139009406
Mercedes W213 Display Screen Information Navigation Dashboard A2139009406
€66.95
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2049006003
Radio Player Mercedes W204 Audio 20 Navi CD Player Head Unit A2049006003
Promo price
€218.95
€186.11
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A1645400350
Mercedes-Benz M-Class ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2059008826
Mercedes C205 SAM Module Rear Comfort Control Unit ECU A2059008826
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A0028201326
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326
Promo price
€113.95
€96.86
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1669008009
Mercedes GLE W166 Rear Door Wiring Control Module Right O/S Unit ECU A1669008009
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2469003114
Transmission Module Mercedes W176 W246 Control Unit ECU A2469003114
Promo price
€42.95
€36.51
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2229067403
Mercedes W177 W247 M260 Exhaust Control Valve Flap Actuator Drive A2229067403
Promo price
€170.95
€145.31
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0009008004
Parking Module Mercedes W207 W212 PDC Distance Control Unit ECU A0009008004
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A6519007500-4
Mercedes W204 C250 CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
Promo price
€108.95
€65.37
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A0009001810
Windshield Camera Mercedes W166 R172 Driver Assist Front Camera A0009001810
€56.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2044401005
Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A6396890279
Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890279
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0025422619-3
Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A2229000016
Entry Module Mercedes C253 W205 W213 C238 Keyless Go Control Unit A2229000016
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2129004910
Radio Head Unit Mercedes W212 CD Audio Player Head Control Unit A2129004910
Promo price
€118.95
€101.11
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2229003210
Mercedes W205 Head Unit Audio Player Radio Sat Nav Module A2229003210
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2129009128
Door Module Mercedes W207 W212 CLS W218 Front Left N/S Control Unit A2129009128
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A1179001801
Mercedes W176 Air Module System Control Unit Module ECU A1179001801
Promo price
€85.95
€73.06
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A1679004712
Bluetooth Module Mercedes W205 W213 W222 W238 Control Unit ECU A1679004712
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2057200522
Mercedes GLC X253 Front Door Trim Cover Panel Strip Left N/S Black A2057200522
€66.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0009009209
Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2469016002-1
Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
€80.95
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A9069006503
Door Module Mercedes W906 Front Left Right N/O/S Control Unit ECU A9069006503
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A0994644206
Mercedes X253 Steering Wheel Contact Switch Control Plate A0994644206
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2469003417
Parking Brake Module Mercedes W176 W231 W246 Electric Control Unit A2469003417
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2118704926
Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704926
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2049001206
Mercedes W204 Coupe Door Module Front Left N/S Control Unit A2049001206
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2319003706
Mercedes R231 Control Unit Module Passenger Seat A2319003706
€127.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1679050700
Mercedes W177 Crash Impact Sensor Front Door Left Right Unit A1679050700
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A1645408101
SAM Control Module Mercedes W164 W251 Comfort Fuse Box Unit A1645408101
€237.95
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A2749000700
Mercedes W204 C180 BlueEFFICIENCY M274.910 156HP Engine Unit ECU A2749000700
Promo price
€284.95
€170.97
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2439000800
Drivetrain Module Mercedes H243 Transmission Control Unit ECU A2439000800
Promo price
€161.95
€137.66
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2469002616
Mercedes W176 W246 PDC Parking Distance Sensor Control Unit Module A2469002616
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2229009910
Mercedes W205 W213 C238 Seat Heating Heater Module Control Unit ECU A2229009910
Promo price
€66.95
€56.91
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2118203375
Antenna Booster Mercedes W211 Rear Boot Lid Tailgate Amplifier A2118203375
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2215404062
Mercedes W221 Air Suspension Control Unit Module Airmatic A2215404062
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1635402333
Mercedes-Benz M ML W163 Centre Console Wiring Harness Cable Loom A1635402333
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A9079001705
Mercedes Sprinter B907 Ignition Control Module Keyless A9079001705
€123.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2045409533
Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2045409533
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2045402410
Mercedes W204 Door Wiring Front Left N/S Door Cable Harness A2045402410
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2129008707-1
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2129060105
Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129060105
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A1646803535
Mercedes-Benz M-Class ML W164 B-Pillar Trim Cover Bottom Left N/S A1646801935
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A9079006906
Mercedes Sprinter W907 W910 Ignition Lock Control Unit Module ECU A9079006906
Promo price
€199.95
€169.96
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A1179009200
Mercedes W176 Air Module Belts System Control Unit ECU Bosch A1179009200
Promo price
€70.95
€60.31
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A6519007401-6
Mercedes SLK R172 250CDI 651.980 204HP Engine ECU Kit Ignition + Key A6519007401
€189.95
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2049007508
Mercedes W204 Display Screen Monitor Radio Sat Nav Navigation Unit A2049007508
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A2469004519
Gearbox Module Mercedes W176 W246 Control Unit ECU Automatic A2469004519
Promo price
€56.95
€34.17
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A2049006301
Mercedes W204 Rear SAM Module Fuse Box Control Unit A2049006301
Promo price
€47.95
€28.77
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1698208426
Mercedes-Benz A B W169 W245 Front Right Door O/S Control Unit Module A1698208426
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2048709426
Mercedes W204 Air Module Control Unit SRS Sensor ECU A2048709426
€23.95
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2469066600
Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A1729017601
Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2125406462
Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A0025409117
Mercedes W221 Blind Spot Radar Distance Sensor Rear Left Right N/O/S A0025409117
Promo price
€284.95
€242.21
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2479007708
Rain Sensor Mercedes C118 W177 W247 Front Windscreen Light Unit A2479007708
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A6549061400
Starter Motor Mercedes W213 S213 W238 OM654 Diesel Engine Actuator A6549061400
€56.95
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A0009063322-1
Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
€28.95
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2229001414
Module Mercedes C205 Front Door Left N/S Control Module Unit A2229001414
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A0009060226
Starter Mercedes Vito W447 Diesel OM622 Starter Motor A0009060226
€70.95
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A1775401731
Mercedes W177 M282 Wiring Harness Battery Starter Motor Alternator A1775401731
Promo price
€89.95
€53.97
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0009006007
Fuel Pump Module Mercedes W205 Control Unit ECU A0009006007
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2059006537
Mercedes C205 Coupe Air Bag Control Module ECU A2059006537
€170.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A9065450003
Fuse Cover Mercedes Sprinter W906 Box Trim Panel Lid Grey A6395450003
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1695400209
Mercedes W169 W245 Diesel Engine Starter Wiring Loom Cable A1695400209
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1698202985
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698202985
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A0009006102
Mercedes Vito W639 ECU Control Unit Crash Impact Module Air Module A0009006102
Promo price
€56.95
€48.41
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0009822923
Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey A0009822923
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2059001722
Computer Mercedes W205 X253 W447 Navigation Radio Player Head Unit A2059001722
€203.95
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A2239053002
Mercedes Vito W447 Aerial Antenna Amplifier Control Unit Module A2239053002
Promo price
€66.95
€40.17
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2048702789
Aerial Antenna Amplifier Mercedes W204 Estate Left N/S Booster Unit A2048702789
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2229009915
Keyless Module Mercedes W205 W213 ECU Door Lock Control Unit A2229009915
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2079011900
Air Module Mercedes W207 A207 Control Unit ECU Air Module Sensor A2079011900
Promo price
€75.95
€64.56
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2218704192
Mercedes W221 Air Condition Climate Control Module Unit A2218704192
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A6395406209
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406209
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A1179001702
Mercedes GLA X156 Interior SRS Air Module Seat Belt Tensioner A1179001702
€127.95
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A0009006516
Bluetooth Module Mercedes S205 W205 W177 Active Parking Assist Control Rear
Promo price
€47.95
€28.77
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A1779005505
Door Module Mercedes W177 W247 Rear Left Right N/O/S Control Unit A1779005505
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0035421619
Mercedes W177 Relay 052 Engine Fuse Box Relay Slot B D E 70A Tyco A0035421619
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A0009003806
Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
Promo price
€89.95
€76.46
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A2229005415
Mercedes W205 W213 W222 Comunication Module Telematic Bluetooth A2229005415
€75.95
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A0009821923
Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relay A0009821923 Red
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2218709987
Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218709987
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A6519007703
Mercedes W906 Glow Plug Relay Module Unit A6519007703
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A0041518501-1
Mercedes W169 W245 Engine Starter Motor A0041518501
Promo price
€32.95
€28.01
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A1779004106
Door Module Mercedes C118 W177 W247 Front Right O/S Control Unit A1779004106
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A4478200087
Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket A4478200087
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A2049060305-1
Mercedes W204 SAM Module Control Unit Rear A2049060305
Promo price
€80.95
€48.57
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A9079051202
Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A1779003806
Door Module Mercedes C118 W177 W247 Front Left N/S Control Unit A1779003806
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2059006822
Module Mercedes W205 Relay Body Control Module Unit SAM BCM A2059006822
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-5%
Part no. A2465400950-1
Mercedes C117 W176 W246 Fuse Box Power Distribution Box A2465400950
Promo price
€23.95
€22.75
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A0009050438
Windscreen Camera Mercedes W204 W212 Front Windshield Camera Unit A0009050438
Promo price
€28.95
€24.61
Free delivery - Mon, Dec 22
If paid before 14:00
-40%
Part no. A2039000100
Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2039000100
Promo price
€113.95
€68.37
Free delivery - Mon, Dec 22
If paid before 14:00
Part no. A0009004434-2
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
€142.95
Free delivery - Mon, Dec 22
If paid before 14:00
-15%
Part no. A2049005601
Mercedes W204 S204 Estate SAM Control Unit Module Rear A2049005601
Promo price
€37.95
€32.26
Free delivery - Mon, Dec 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 .