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

-40%
Part no. A2649060400
Mercedes W205 W257 Starter Engine Motor A2649060400
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0035421619-1
Mercedes W177 Relay 052 Fuse Box Relay Slot B D E 70A Tyco SET X2 A0035421619
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2049005410
Mercedes W204 Sat Nav Radio CD Player Radio Head Unit A2049005410
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2129001929
Mercedes W176 Keyless Control Module Unit ECU A2129001929
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2128205026
Mercedes W212 Impact Crash Sensor Door Left Right A2128205026
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2466200018
Mercedes-Benz A-Class W176 Battery Frame Holder Bracket Mount Plate A2466200018
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2129006518
Door Module Mercedes W204 W207 W212 Front Right O/S Control Unit A2129006518
Promo price
PLN 42.95
PLN 36.51
Delivery: Mar 03
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
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A9075401805
Mercedes Sprinter W907 Battery Terminal Unit Connection Box A9075401805
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A0015452616
Mercedes W212 Transmission Control Unit Module VDO EGS 722.646 A0015452616
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A0009004613
EGR Module Mercedes W177 W205 Exhaust Gas Recirculation Unit ECU A0009004613
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2048207385
Mercedes-Benz C W204 Front Left Door N/S Control Unit Module A2048207385
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A1679003118
Door Module Mercedes W205 W213 X253 Front Right O/S Control Unit A1679003118
Promo price
PLN 322.95
PLN 193.77
Free delivery: Mar 03
If paid before 14:00

Part no. A2045400608
Mercedes W204 Front Bumper PDC Wiring Parking Loom Harness A2045400608
PLN 237.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1779004106
Door Module Mercedes C118 W177 W247 Front Right O/S Control Unit A1779004106
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A1698204185
Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A9064461142
Air Module Mercedes W639 W906 Control Unit ECU A9064461142
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2479004411
Mercedes V177 W247 Windshield Camera Driver Assists Front Camera A2479004411
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2118703185
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A1679050200
Mercedes A238 Tailgate Boot ECU Control Unit Module A1679050200
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2465401850
Prefuse Box Mercedes W176 OM607 Fuse Relay Control Unit A2465401850
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A0009002218
Mercedes C253 Fuel Pump Module Control Unit ECU A0009002218
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1665400182-1
Mercedes C292 Fuse Box Cover Trim Panel Lid Black A1665400182
Promo price
PLN 184.95
PLN 175.70
Free delivery: Mar 03
If paid before 14:00

Part no. A9108805600
Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
PLN 123.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2025402373-1
Mercedes A C E Class 1 W169 W203 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0025428719
Mercedes W176 W204 W207 W166 Relay 4 Pin Grey Hella A0025428719
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A2389009000
Air Module Mercedes A205 A238 A217 SRS Protection Control Unit A2389009000
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1695401006
Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1729058300
Mercedes SLK R172 Pedestrian Protection Impact Crash Sensor Module A1729058300
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009820112
Mercedes W177 W207 Power Energy Distribution Unit Module A0009820112
Promo price
PLN 51.95
PLN 49.35
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A1669051702
Mercedes-Benz A C M W166 W176 W205 Aerial Antenna Amplifier Unit A1669051702
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A4479058203
Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

Part no. A2139002022
Door Module Mercedes W213 C238 Front Left N/S Control Unit ECU A2139002022
PLN 132.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1698200089
Mercedes A B Class W169 W245 Aerial Antenna Amplifier Right O/S A1698200089
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. A0009009213
Mercedes W447 Fuel Pump Control Module A0009009213
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2038219751-2
Mercedes W203 CL203 Roof Alarm Motion Sensor Cover Trim Black A2038219751
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. A2059000441
Mercedes W205 Display Screen Multimedia Navigation Sat Head Unit A2059000441
PLN 569.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2139008530
Mercedes W213 W447 Transmission Gearbox Control Unit Module ECU A2139008530
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A6421508900-1
Mercedes W212 E350 CDI OM642.852 Engine Control Unit Module ECU A6421508900
Promo price
PLN 854.95
PLN 512.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A4479000900
Mercedes Vito W447 Air Module Control Unit ECU 4479000900
Promo price
PLN 474.95
PLN 284.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1775401910
Mercedes W177 Door Wiring Rear Door Left N/S Module Harness Cables A1775401910
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2139008730
Mercedes C253 W177 W205 W247 Gearbox Module Control ECU Automatic A2139008730
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2059005222
Seat Module Mercedes W205 W253 Memory Control Unit Passenger's Side A2059005222
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1665402350
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2115455332
Mercedes C219 SAM Module Comfort Control Unit A2115455332
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2135400414
Mercedes W213 C238 Fuse Box Relay Control Unit Module A2135400414
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2769007300
Mercedes SL400 R231 276.825 333HP Engine Control Unit ECU A2769007300 Automatic
Promo price
PLN 569.95
PLN 341.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2475400700
Mercedes W177 Rear Axle Wheel RPM Speed Left N/S Sensor Wire Harness A2475400700
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1779001704
Mercedes V177 Door Module Rear Right Control Unit A1779001704
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009002414
Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2035450803
Mercedes W203 Battery Terminal Fuse Box Electrical Unit A2035450803
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2466200514
Mount Support Mercedes W176 Battery Bracket Holder A2466200514
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A6395420018
Mercedes Vito W639 Steering Wheel Angle Sensor Ring Squib A6395420018
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A1779007403
Mercedes W177 Interior Ambiance Control Module ECU Unit A1779007403
Promo price
PLN 227.95
PLN 136.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2038202185
Mercedes W203 Door Control Module Rear Left N/S A2038202185
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009054807-2
Mercedes W118 W177 W206 W247 NOX Sensor Electronics Module A0009054807
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2046280218
Mercedes W204 Battery Bracket Mount Support Holder A2046280218
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0025421519
Mercedes-Benz M-Class ML W163 Relay 4-Pin Black Hella A0025421519
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A6395406209
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6395406209
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2038206626
Mercedes-Benz C-Class W203 Door Control Module Unit Rear Right O/S A2038206626
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2115458532
Mercedes W211 W219 Body Control Module Control Unit ECU A2115458532
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1775408220
Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408220
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2139003022
Door Module Mercedes W205 W213 X253 Rear Right Door Control Unit A2139003022
Promo price
PLN 94.95
PLN 56.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2229009910
Mercedes W205 W213 C238 Seat Heating Heater Module Control Unit ECU A2229009910
Promo price
PLN 284.95
PLN 242.21
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0009007607
Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1698207526-1
Mercedes W169 W245 Door Control Unit Left N/S Rear A1698207526
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. A2049000600
Mercedes W204 Fuse Box Relay Control Unit SAM Module A2049000600
PLN 949.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0055422618
Rate Sensor Mercedes W212 ESP Yaw Rotation Control Unit Module A0055422618
Promo price
PLN 46.95
PLN 44.60
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2601503100
Mercedes W177 M260 Petrol Engine Wiring Cable Loom Harness A2601503100
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0025428419
Relay Mercedes W176 W246 4-Pin Black Hella 12V A0025428419
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. A1695407705-1
Mercedes W169 W245 Door Cable Harness Wiring Loom Front Left N/S A1695407705
PLN 42.95
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A0018209126
Mercedes CLC CLK Class CL203 W203 C209 Crash Sensor A0018209126
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2129004414
Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129004414
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2129010700
Mercedes W212 ECU Control Unit Sensor Module Airbag A2129010700
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2229002014
Mercedes X253 Door Module Rear Right Control Unit A2229002014
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2118701185
Air Module Mercedes W211 W219 Control Unit ECU A2118701185
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0061516201
Starter Motor Mercedes Sprinter W204 W211 W212 OM646 Diesel Engine A0061516201
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A0009055700
Mercedes W639 Brake Yaw Rate Sensor ECU A0009055700
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. A2139004119
Module Mercedes W205 Drivetrain Gearbox Control Module Unit A2139004119
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A1645400641
Mercedes-Benz M-Class W164 Battery Ground Earth Strap Cable Wiring A1645400641
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2218207510
Mercedes W221 Anti Theft Roof Alarm Ultrasonic Motion Sensor Unit A2218207510
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. A2129060105
Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129060105
Promo price
PLN 132.95
PLN 113.01
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2045407435
Earth Ground Cable Mercedes W204 C207 W212 Line Strap Battery Lead A2045407435
Promo price
PLN 104.95
PLN 99.70
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1695403945-1
Mercedes W169 W245 Central Gateway Control Unit Module ECU A1695403945
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A1779001604
Mercedes W177 W247 Door Module Front Right Control Unit A1779001604
Promo price
PLN 47.95
PLN 40.76
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2059004021
Mercedes W205 GLC X253 Door Module Control Unit Front Left N/S A2059004021
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A6397600104
Bowden Cable Mercedes W639 Vito Door Handle Catch Top Rear Left Wire A6397600104
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. A2048210851
Mercedes W212 Windscreen Rain Sensor Temperature Humidity Unit A2048210851
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2118701885
Mercedes ML W164 Control Unit Module DC UHI MOST A2118701885
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A1698207326
Mercedes-Benz A B Class W169 W245 Door Control Unit Left N/S Front A1698207326
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A1665400841
Ground Line Mercedes ML W166 Battery Earth Negative Cable Wire A1665400841
Promo price
PLN 75.95
PLN 64.56
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A6395450203
Mercedes-Benz Vito W639 Fuse Box Cover Cap Trim A6395450203
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

Part no. A0061511001
Starter Motor Mercedes W906 M272 Engine Diesel Bosch A0061511001
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2059000524
Mercedes W207 W212 Telematics Services Communication Module A2059000524
Promo price
PLN 104.95
PLN 99.70
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A9067601304
Mercedes-Benz Sprinter W906 Front Right Door O/S Handle Bowden Pull Cable
Promo price
PLN 37.95
PLN 36.05
Delivery: Mar 03
If paid before 14:00

-15%
Part no. A2139003317A
Mercedes C118 V177 W213 Diesel OM654 Automatic Transmission Module A2139003317
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A2046801231
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046801231
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. A0015424523
Parktronic Display Mercedes W207 W212 PDC System Parking Sensor A0015424523
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
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 .