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. A2045400440
Battery Bracket Mercedes W204 W207 Battery Mount Support Holder A2045400440
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2038202185
Mercedes W203 Door Control Module Rear Left N/S A2038202185
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2219050018
Mercedes-Benz S-Class W221 Headlining Alarm Sensor Module Cover Trim A2219050018
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2465406607
Positive Cable Mercedes W176 W246 Battery Lead Plus Pole Red A2465406607
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A6395480174
Mercedes-Benz Vito W639 Fuse Box Cooling Outlet Pipe Air Duct A6395480174
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2098209610
Mercedes CLK W209 Convertible Alarm Anti Theft System Control Unit A2098209610
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2465402050
Mercedes W176 Fuse Box Control Unit SAM Module Relay A2465402050
Promo price
€51.95
€31.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2469067100-1
Mercedes W176 W246 C117 Fuse Relay Box Unit Cables Wiring Loom A2469067100
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2709060026
Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A2709060026
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2045409907
Mercedes W204 Battery Wiring Cable Harness Loom A2045409907
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2129004718
Door Module Mercedes W212 Front Right Control Unit Module A2129004718
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
Part no. A6229000700
Mercedes W447 Bosch Glow Plug Relay Controller Unit Control Module A6229000700
€75.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0038206926
Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128208726
Mercedes W212 Door Module Rear Left N/S Control Unit ECU A2128208726
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2129004014
Mercedes W204 W212 Front Door Module Control Unit Module Left N/S A2129004014
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2079013700
Mercedes-Benz E-Class W207 Windscreen Windshield Rain Sensor Control Unit
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1725403405
Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A6519002803-3
Mercedes Vito W447 114 CDI OM651.950 Engine ECU Kit Ignition + 2 Key A6519002803
Promo price
€474.95
€284.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6519064800
Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2761509875
Mercedes W213 W222 A238 M276 Starter Screening Plate Shield A2761509875
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1679003418
Mercedes W205 C253 W257 Door Module Rear Left N/S Control Unit ECU A1679003418
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1775401910
Mercedes W177 Door Wiring Rear Door Left N/S Module Harness Cables A1775401910
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128203785
Door Module Mercedes W204 W212 Front Right O/S Control Unit VST A2128203785
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0038202826
Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2129006518
Door Module Mercedes W204 W207 W212 Front Right O/S Control Unit A2129006518
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A0045425218
Mercedes W221 Blind Spot Radar Sensor Module Control Unit A0045425218
Promo price
€208.95
€125.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2048200189
Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200189
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0015424423
Parktronic Screen Mercedes W207 W212 Front Parking Sensor Display A0015424423
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1715400107
Mercedes SLK R171 Window Lifter Lift Switch Cable Wiring Harness A1715400107
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1695400606
Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A0024463140-4
Mercedes W169 A160 CDI 95HP M266.920 Engine ECU Kit A0024463140 Automatic
Promo price
€222.95
€133.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2115402105
Battery Cable Mercedes W211 Starter Alternator Wiring Harness A2115402105
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2218708992
Mercedes W221 C216 Telephone Bluetooth Connection Control Module A2218708992
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0535450226
Mercedes Sprinter W906 Fuse Box Connector Plug Socket A0535450226
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2079012500
Air Module Mercedes C204 C207 Sensor Control Unit ECU A2079012500
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0035421019
Relay Mercedes C117 GLA X156 ML W166 W176 W246 5 Pins Yellow A0035421019
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2218207502
Mercedes W221 Front Centre Dashboard Speaker Logic 7 A2218207502
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2135409916
Earth Ground Cable Mercedes W213 S213 Battery Wiring Loom Engine A2135409916
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1635400734
Mercedes-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635400734
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2059006537
Mercedes C205 Coupe Air Bag Control Module ECU A2059006537
Promo price
€170.95
€102.57
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0051517401
Starter Motor Mercedes W169 W245 Diesel Engine A0051517401
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0121542002
Mercedes W903 OM611 Diesel Alternator Engine Generator 14V 90A A0121542002
Promo price
€108.95
€92.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1648207926
Mercedes ML W164 Air Module SRS Control Unit ECU A1648207926
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2048207385
Mercedes-Benz C W204 Front Left Door N/S Control Unit Module A2048207385
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2539059800
Mercedes W205 Lid Boot Trunk Tailgate Smart Opener Control Module A2539059800
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1695408033
Mercedes-Benz A W169 Front Driver's Side Door Wiring Loom Harness A1695408033
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1669005417
Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2218101817
Mercedes-Benz W221 Rear Left Right N/O/S Headlining Interior Mirror A2218101817
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128203985
Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2055401900
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900
Promo price
€80.95
€48.57
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. lhd-A2215403310
Mercedes W221 Battery Electrical Ground Line Wire Earth Cable A2215403310
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0025421319
Mercedes W204 Genuine Universal In Car Black Relay 4-Pin Tyco A0025421319
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2218705089
Mercedes W221 Audio Amplifier Sound Harman Becker Control Unit A2218705089
€949.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2219009903
Mercedes-Benz S-Class W221 Rear Door N/O/S Control Unit Module A2219009903
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2465408109
Door Wiring Mercedes W176 Loom Cable Rear Left Right N/O/S A2465408109
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2125406905
Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2128270228-SEL
Mercedes W212 Roof Antenna Amplifier Shark Selenite Grey - 992 A2128270228
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A1568200089
Mercedes W176 W246 Tailgate Aerial Antenna Amplifier Unit A1568200089
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6399001001
Mercedes W639 PDC Parking Park Sensor Distance Control Module A9064460046
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A0009003806
Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
Promo price
€89.95
€53.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0001502780
Mercedes W203 CL203 W204 M272 Petrol Ignition Coil Cable Connector A0001502780
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2129004502
Mercedes W204 W207 Front Right Door Control Unit Module A2129004502
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A4479060400
Mercedes W447 Fuse Relay Box Module Control Unit A4479060400
Promo price
€61.95
€37.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0025467940
Receptacle Housing Mercedes W164 W203 W639 Dashboard Wiring Harness A0025467940
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2469000717
Mercedes C117 X156 All Wheel Drive Control Unit Module ECU MFA A2469000717
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1669005612
Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2139003617
Telematics Module Mercedes W176 W207 W205 Bluetooth Control Unit A2139003617
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2125406105
Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1648204326
Mercedes MLW164 Air Module Control Unit ECU Air Module Sensor A1648204326
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2129003508
Mercedes W207 W906 Fuel Pump Control Unit Module ECU A2129003508
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2229007109
SAM Module Mercedes C205 GLC X253 Coupe Rear Control Unit A2229007109
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2465404300
Mercedes W176 Door Harness Loom Cable Wiring Rear Right A2465404300
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2129004402
Door Module Mercedes W212 E-Class Front Left N/S Control Unit A2129004402
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2059007218
Automatic Closing Motor Mercedes S205 Estate X253 Trunk Lid A2059007218
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1698200611
Mercedes W245 Bluetooth Module Telephone Control Unit A1698200611
Promo price
€89.95
€53.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2188701489
Mercedes W218 Audio Amplifier Harman Kardon Subwoofer Control Unit A2188701489
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0018209126
Mercedes CLC CLK Class CL203 W203 C209 Crash Sensor A0018209126
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2055404596
Mercedes W205 Electrical Ground Line Wire Earth Cable A2055404596
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A0038212751
Mercedes-Benz M S W221 ML W164 Airbag Impact Crash Sensor Door A0038212751
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2045406662
Mercedes-Benz C W204 PDC Parking Sensor Distance Control Module A2045406662
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A0009000716
Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009000716
Promo price
€104.95
€62.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2045451047
Control Unit Bracket Mercedes W204 W212 Audio Module Holder Mount A2045451047
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2474703702
Mercedes W177 W247 Solenoid Valve Line Pipe Hose Starter A2474703702
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2513200158-1
Valve Block Mercedes W251 W906 Air Suspension Control Unit Module A2513200158
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2125406505
Mercedes W212 Door Wire Wiring Loom Front Right O/S A2125406505
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0009057908
Mercedes C238 Rear Bumper Blind Spot Radar Sensor Left Right N/O/S A0009057908
Promo price
€151.95
€129.16
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0009009114
Mercedes W205 Air Conditioning Climate Control Module ECU A0009009114
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2465403005
Mercedes W176 W245 Front Right Door Wiring Loom Harness A2465403005
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6421507100
Mercedes W164 ML350 OM642 4-Matic 224HP Engine Control ECU A6421507100 Automatic
€146.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2219000804
Parking Module Mercedes W221 W216 Sensor PDC Distance Control Unit A2219000804
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1729007003
Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729007003
Promo price
€104.95
€62.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2479004505-1
Mercedes Vito W447 Sprinter W907 W910 Telematics Module Control Unit A2479004505
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2479002707
Communication Module Mercedes W177 W247 Hermes LTE Control Unit A2479002707
Promo price
€51.95
€31.17
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 .