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.
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Make
Category
Subcategory
Condition
In Stock
Price
-15%
Part no. A2128208826
Mercedes W212 Door Control Module Unit ECU Rear Right O/S A2128208826
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1695457740
Mercedes-Benz A B W169 W245 Bracket Starter Alternator Control Unit A1695457740
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. RHD-A2054405433
Mercedes C205 Front Door Wiring Harness Cable Left Right N/O/S A2054405433
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2215405950
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215405950
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. RHD-A1405400750
Mercedes C140 Fuse Box Relay Box Control Module Unit A1405400750
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1698200089
Mercedes A B Class W169 W245 Aerial Antenna Amplifier Right O/S A1698200089
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1779061102
Fuse Box Mercedes W177 Relay Fuse Box COntrol Module Unit A1779061102
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A2055400708
Door Wiring Mercedes C205 Front Door Right Left N/o/S Lock Harness A2055400708
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A9075409482
Fuse Box Mercedes Sprinter W907 Prefuse Box Module Relay Holder A9075409482
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
Part no. A2125420018-TNG2
Mercedes W169 W204 W212 Front Parking Sensor PDC Sensor Tenorite Grey 755
£13.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-A2125405433
Mercedes W212 Cable Wiring Power Steering Rack Loom Harness A2125405433
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2649060400
Mercedes W205 W257 Starter Engine Motor A2649060400
Promo price
£94.95
£56.97
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. A2198203526
Mercedes CLS W219 Door Module Rear Left N/S Control Unit A2198203526
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1669005517
Mercedes W207 Telematic Communication Control Unit Module A1669005517
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2661530791-1
Mercedes W169 A170 266.940 Engine Control ECU Kit A2661530791 Key Lock Automatic
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1779007716
Mercedes W177 Front Door Control Module Left Right N/O/S Unit ECU A1779007716
Promo price
£51.95
£31.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1648205389
Mercedes ML W164 Aerial Antenna Amplifier Unit Module A1648205389
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0009006007
Fuel Pump Module Mercedes W205 Control Unit ECU A0009006007
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2125403005
Mercedes W212 M271 Wiring Battery Alternator Starter Harness Cable A2125403005
Promo price
£94.95
£56.97
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. A2215408562
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408562
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2218230050
Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2059004433
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059004433
Promo price
£218.95
£186.11
Free delivery: Mar 02
If paid before 14:00
Part no. A2139008807
Mercedes W213 Entry Keyless Kessy Control Module Unit ECU A2139001810
£75.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2059009421
Mercedes GLC X253 Seat Control Unit Module ECU Front Right O/S A2059009421
Promo price
£70.95
£60.31
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0035423019-1
Power Relay Control Mercedes W176 W246 Module 4 Pin 12V 20A A0035423019 SET
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6421509078
Mercedes C219 CLS320 CDI OM642.920 224HP Engine Module ECU A6421509078 Automatic
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2198200226
Door Module Mercedes C219 Rear Door Left N/S Control Module A2198200226
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2139004711
Mercedes W213 W222 Tailgate Bootlid Comfort Module Control Unit A2139004711
£18.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-A6395450202
Mercedes Vito W639 Fuse Box Relay Carrier Holder Bracket Mount A6395450202
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A6229001000
Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000
£332.95
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. 13720856
Mercedes W212 Negative Cable Battery Terminal Wiring 13720856
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1695453740
Mercedes-Benz A-Class W169 Fuse Box Unit Holder Bracket Frame A1695453740
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1635400534
Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635400534
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2129006101-1
TV Tuner Mercedes W204 C207 W212 C218 Digital Video Control Module A2129006101
Promo price
£275.95
£234.56
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0009050038
Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050038
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1695456332-1
Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2065403645
Mercedes W206 Front Door Wiring Harness Cable Left Right N/O/S A2065403645
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00
Part no. A2139004911
Mercedes W213 PDC Module Parking Assistant Parktronic Unit A2139004911
£123.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A6429061000
Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000
Promo price
£61.95
£52.66
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2128203515-1
Media Connector Cable Mercedes W204 W212 Audio Wire A2128203515
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. A6461505572-1
Mercedes W211 E220CDI OM646.821 170HP Engine ECU Kit A6461505572 Automatic
£189.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2229005415
Mercedes W205 W213 W222 Comunication Module Telematic Bluetooth A2229005415
Promo price
£61.95
£37.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2078201089
Mercedes W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201089
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1729060205-1
Mercedes SLK R172 Rear SAM Fuse Relay Box Control Unit Module A1729060205
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1635400734
Mercedes-Benz M ML W163 Rear Left Right Door Wiring Loom Harness A1635400734
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2048701226
Mercedes S204 Door Module Rear Right O/S Control Unit ECU A2048701226
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
Part no. A2319006905
Mercedes SL R231 Roof Module Controller ECU A2319006905
£213.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2048702751
Mercedes W164 W197 W204 W207 W212 W251 Intake Air Temperature Sensor A2048702751
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A9075405440
Mercedes Sprinter W907 Power Steering Rack Cable Wiring Harness Loom A9075405440
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2048600405
Mercedes W204 Air Module Rear Right O/S Door SRS Control Unit A2048600405
Promo price
£51.95
£44.16
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2129060205
SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2129008816
Mercedes X218 Radio Comand Navigation Seat Control Unit Module A2129008816
Promo price
£218.95
£131.37
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. A0009004410
Adblue Module Mercedes W213 C238 Control Unit A0009004410
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A0009983802
Mercedes-Benz M ML W164 1 Door Cable Harness Wiring Loom Rear Left N/S 13542340
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519002803-4
Mercedes W447 114 CDI OM651.950 136HP Engine Unit ECU Kit A6519002803 Automatic
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2319055301-1
Mercedes SL R231 Front Bumper Pedestrian Protection Pressure Sensor A2319055301
Promo price
£85.95
£73.06
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1679008406
Mercedes W167 W177 W247 Ignition Engine Control Unit Module A1679008406
Promo price
£142.95
£121.51
Free delivery: Mar 02
If paid before 14:00
Part no. A2219002704
Mercedes CL C216 ABC Suspension Module Control Unit ECU CL63 A2219002704
£189.95
Free delivery: Mar 02
If paid before 14:00
Part no. A1185404715
Mercedes C118 X118 Front Door Wiring Harness Cable Driver Side A1185404715
£47.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2129000204
Mercedes W212 Fuse Box Control Unit SAM Module Relay A2129000204
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6429004201
Mercedes W221 BlueTec Exhaust Gas Aftertreatment Control Unit Module A6429004201
Promo price
£123.95
£74.37
Free delivery: Mar 02
If paid before 14:00
Part no. A2218700693
Mercedes W221 Navigation CD DVD Player Changer Unit A2218700693
£336.95
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. A1669005511
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005511
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6421500577-1
Mercedes W251 R320 CDI OM642.950 Engine ECU Kit Ignition + 2 Keys A6421500577
Promo price
£284.95
£170.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2059001136
Mercedes C238 Vehicle Dynamic Transmission Control Unit Module A2059001136
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0045450201
Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2044400605
Mercedes W204 Wiring Loom Cable Harness Door Front Left N/S A2044400605
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2135402405
Mercedes W213 Brake Wear Indicator Wiring Harness Front Right O/S A2135402405
£18.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2218702987
Seat Module Mercedes W211 Rear Seat Control Unit Module A2218702987
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0009050001
Windscreen Camera Mercedes W207 W221 Front Windshield Module Unit A0009050001
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2059007539
Fuse Box Mercedes S205 Interior Front Relay Fuse Box Sam Module A2059007539
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1669063801
Relay Box Mercedes ML W166 Engine Compartment Relay Module A1669063801
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0009054807-2
Mercedes W118 W177 W206 W247 NOX Sensor Electronics Module A0009054807
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. RHD-A1185408813
Mercedes C118 Door Electrical Wiring Harness Front Left Right N/O/S A1185408813
£18.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2075406332
Mercedes-Benz E-Class A207 Trunk Lid Left N/S Wiring Loom Cable Harness
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1779007616
Mercedes C118 W177 W247 Front Door Module Control Unit Right O/S A1779007616
Promo price
£32.95
£28.01
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2135403205
Lever Sensor Wiring Mercedes W213 C238 Rear Left Right N/O/S Cable A2135403205
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A0009825323
Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0005455416
Mercedes C207 Transmission Control Unit Module A0005455416
Promo price
£142.95
£121.51
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2218208202
Mercedes W221 Front Centre Dashboard Tweeter Speaker A2218208202
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519007003-3
Mercedes GLA 220d X156 4matic 651.930 177HP Engine ECU A6519007003 Automatic
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519009602-1
Mercedes W176 A200 CDI OM651.930 136HP Engine ECU Kit A6519009602 Automatic
Promo price
£218.95
£131.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6269010000
Mercedes W205 C200d 626.951 136HP Engine Control Unit ECU A6269000000 Manual
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2465450840
Mercedes GLA 250 X156 Battery Holder Bracket Support Batteries Box A2465450840
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A6549009600-4
Mercedes X118 W177 W247 CLA 220 654.920 190HP Engine ECU A6549009600 Automatic
£123.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-A2475402506-2
Control Unit Bracket Mercedes W177 W247 SAM Module Panel Cover A2475402506
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2661536779
Mercedes W169 A150 M266.920 95HP Engine Control Module A2661536779 Automatic
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519007500-15
Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1768200704
Sunroof Wiring Mercedes C117 W176 Panoramic Motor Cable Harness A1768200704
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. A0018276804
Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804
£13.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1669008607
Mercedes W166 Air Suspension Control Unit Module ECU A1669008607
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1775408340
Mercedes W177 W247 Electrical Wiring Harness Left Right N/O/S A1775408340
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0009008718
Climate Control Module Mercedes W205 W213 Air Conditioning A/C Unit A0009008718
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1698207526-1
Mercedes W169 W245 Door Control Unit Left N/S Rear A1698207526
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2074407913
Mercedes-Benz E-Class A207 Wiring Loom Cable Harness A2074407913
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2125400072
Mercedes W212 Fuse Box Housing Relay Unit Module A2125400072
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2059006923
Air Conditioning Module Mercedes C205 X253 A/C Control Unit ECU A2059006923
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2055409131
Door Wiring Mercedes C205 Front Left Right N/O/S Door Wiring Harness A2055409131
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2119820302
Mercedes W211 C219 Prefuse Fuse Distribution Box Electric Unit Front A2119820302
Promo price
£28.95
£17.37
Free delivery: Mar 02
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 .