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. A0025428919
Relay Mercedes W176 W246 5-Pin Yellow Hella 12V A0025428919
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A1728200815
Mercedes W204 C207 Centre Console Aux Port Socket Plug Terminal A1728200815
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0025428819-1
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819 Set x2
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-5%
Part no. A1695450001
Mercedes-Benz A B Class W169 W245 Fuse Box Relay Module Unit A1695450001
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2469055003-1
Ignition Switch Mercedes W167 W177 W247 Lock Control Unit Module A2469055003
Promo price
€51.95
€44.16
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0009822112
Energy Distributor Mercedes W205 W238 Power Control Unit Module A0009822112
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2469005315
Transmission Module Mercedes W176 OM607 Diesel Control Unit A2469005315
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A2059008204
Mercedes W205 SAM Module Fuse Box Relay Control Unit A2059008204
Promo price
€89.95
€53.97
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0009820912
Mercedes W176 W222 W246 Voltage Converter Power Distributor Fuse A0009820912
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0009007607
Mercedes-Benz E-Class W207 W212 Front Windscreen Windshield Lane Assist Camera
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. A1765405408
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A2129003922
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2465400140
Mercedes-Benz A-Class W176 Equipment Electrical Cover Fuse Box A2465400140
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. A0005428418
Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A1779000304
Airbag Module Mercedes V177 W177 C118 Air Bag SRS Control Unit ECU A1779000304
Promo price
€33.95
€28.86
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0038207726
Mercedes W212 Siren Alarm Horn Signal Module Unit A0038207726
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2079004400
Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. A0009820412
Mercedes W176 W205 W212 Voltage Converter Power Distributor Plug A0009820412
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0025421119
Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2079058802
Roof Antenna Mercedes W204 W212 Shark Aerial Antenna Cable Harness A2079058802
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0009007604
Adblue Module Mercedes W205 W213 W177 W907 SCR Control Unit EGR ECU A0009007604
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A2465407632
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407632
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2229000905
Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2048704426
Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A6519007500-1
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A9065460121
Mercedes W906 Battery Cable Negative Lead Wiring Harness A9065460121
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A6519003701-1
Mercedes W212 OM651.924 E220CDI 170HP Engine ECU Kit + Key + Lock A6519003701
Promo price
€194.95
€116.97
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2059006330
Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006330
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2128204926
Mercedes W212 Crash Impact Air Module Sensor Front Unit A2128204926
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. A0009060401
Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A6519000601-1
Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601
Promo price
€284.95
€242.21
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A1669008606
Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0055421218
Crash Sensor Mercedes W176 W204 W212 Impact Airbag Unit Module A0055421218
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A1715450032
Mercedes SLK R171 PDC Parking Distance Control Unit Module Sensor A1715450032
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A6512011909
Mercedes W212 OM651 Alternator Support Bracket Belt Tensioner Holder A6512011909
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A0009004613
EGR Module Mercedes W177 W205 Exhaust Gas Recirculation Unit ECU A0009004613
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2465411005
Battery Cover Mercedes C117 W176 W246 Box Trim Lid Panel Housing A2465411005
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2038301613
Mercedes C CLK Class W203 C209 Engine Bay Fuse Box Right O/S Cover A2038301613
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2049060305
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049060305
Promo price
€108.95
€92.61
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-15%
Part no. A1769051000
Mercedes W176 Front Crash Impact Air Module Sensor Unit A1769051000
Promo price
€75.95
€64.56
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2045402710
Mercedes W204 Wiring Loom Cable Door Rear Left Right N/O/S A2045402710
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2465400082
Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465400082
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A1729007600
Seat Module Mercedes W204 Front Right O/S Memory Control Unit A1729007600
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A1698209126
Door Module Mercedes W169 W245 Rear Left N/S Control Unit A1698209126
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A1729007500
Mercedes W204 Seat Module Memory Control Unit Front Left N/S A1729007500
Promo price
€51.95
€44.16
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2025402373
Mercedes W169 W203 W204 W211 OBD Diagnostic Plug Cover A2025402373
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2125420018-TNG
Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey - 755 A2125420018
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A6519007500-3
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
Promo price
€313.95
€266.86
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2048205015
Mercedes W204 W207 Wiring Loom Cable Harness AUX Jack A2048205015
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-5%
Part no. A1648205585
Mercedes W164 Air Module Control Unit SRS Sensor ECU Bosch A1648205585
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A1695420018-HBL
Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2218204189
Mercedes W221 Antenna Amplifier Aerial A2218204189
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A1769980001
Door Wiring Plug Mercedes W176 W246 Cable Lead Connector A1769980001
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A0009821923-1
Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relays Set A0009821923
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A6511508300
Engine Wiring Mercedes W910 OM651.958 Diesel Harness Loom Cable A6511508300
Promo price
€170.95
€145.31
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A2661534079
Mercedes W169 A170 266.940 116HP Engine Control Unit ECU A2661534079 Automatic
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2129004206
Door Module Mercedes W212 E-Class Rear Right O/S Control Unit A2129004206
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2198200226
Door Module Mercedes C219 Rear Door Left N/S Control Module A2198200226
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2115452647
Bracket Mount Mercedes W211 W219 Control Unit Module SAM Holder A2115452647
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A1679008406
Mercedes W167 W177 W247 Ignition Engine Control Unit Module A1679008406
Promo price
€170.95
€145.31
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2038700426
Door Module Mercedes CL203 Front Right O/S Control Unit A2038700426
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2105460141
Mercedes-Benz E-Class W210 Battery Cable Box Connector Petrol A2105460141
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2048702626
Door Module Mercedes W204 Rear Right O/S Control Unit Module A2048702626
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2469050101
Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

Part no. A2749000800-7
Mercedes W205 C200 274.920 184HP Engine Control ECU Kit A2749000800 Automatic
€303.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A2059007143
SAM Module Mercedes W205 Trunk Rear SAM Control Module A2059007143
Promo price
€132.95
€79.77
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2124401851
Mercedes W212 Door Wiring Loom Cable Rear Left Right N/O/S A2124401851
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2465400512
Seat Wiring Mercedes C117 Front Seat Left Wiring Harness a2465400512
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2139007105
Air Module Mercedes W213 S213 W238 SRS Control Unit ECU A2139007105
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. A1648702726-1
Mercedes W164 Boot Trunk Lid Tailgate Control Unit Module ECU A1648702726
€51.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. A6519002803
Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
€284.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. A0009052200
Windscreen Camera Mercedes W209 W212 W221 Front Control Unit Module A0009052200
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A0018275101
Mercedes W164 Tyre Pressure Sensor Rear Right Left Antenna Module A0018275101
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. A0009006920
Mercedes W205 W213 Battery Control Unit Charging Terminal Module A0009006920
€332.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2048700185
Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185
Promo price
€99.95
€84.96
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A2135406200
Fuse Box Mercedes W213 S213 W238 Rear Electrical Control Unit Module A2135406200
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A9075406960-1
Mercedes Sprinter W907 Fuse Box Prefuse Box Module F150/1 - MFB-1 A9075406960
Promo price
€80.95
€48.57
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2215402062
Fuel Pump Module Mercedes ML W164 W204 Petrol Control Unit ECU A2215402062
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2129003614
Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129003614
Promo price
€118.95
€101.11
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A6519007500-11
Mercedes W204 C 200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Key Lock
Promo price
€170.95
€102.57
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A1669004002
Door Module Mercedes C117 W176 W246 Front Left N/S Control Unit A1669004002
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. A6429004201
Mercedes W221 BlueTec Exhaust Gas Aftertreatment Control Unit Module A6429004201
Promo price
€151.95
€91.17
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A1569057900
Mercedes W176 Aerial Antenna Amplifier A1569057900
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A0009005517
Mercedes W177 W205 W238 W257 Gearbox Control Unit Module ECU A0009005517
Promo price
€113.95
€96.86
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. A9065410140
Mercedes-Benz Sprinter W906 Battery Tray Holder Mounting Bracket A9065410140
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-5%
Part no. A6394404906
Mercedes-Benz Vito W639 Loudspeaker Cable Wiring Loom Harness A6394404906
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2215408045
TPM Module Mercedes W221 S500 C216 Tire Pressure System Module RDK A2215408045
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. A2711500420
Mercedes W204 M271 Solenoid SOLV Valve Wiring Harness Petrol A2711500420
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
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 .