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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In Stock
Price

-40%
Part no. A1779004800
Mercedes W205 C63 AMG 476HP M177.980 Engine Unit ECU A1779004800 Automatic
Promo price
£617.95
£370.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2118209689
Mercedes-Benz E-Class S211 Estate Antenna Amplifier Rear Right O/S A2118209689
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2079002800
Mercedes W207 Convertible Door Module Front Right O/S Control Unit A2079002800
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

Part no. A4479004105
Mercedes W447 Tow Bar Towing Control Module Unit ECU A4479004105
£189.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A0009058000
Windscreen Camera Mercedes W207 W221 Front Windshield Module Unit A0009058000
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2128208726
Mercedes W212 Door Module Rear Left N/S Control Unit ECU A2128208726
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1765401707
Mercedes W176 Interior Roof Cable Ceiling Beam Wiring Loom A1765401707
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 284E75XA0A
Mercedes W470 Suspension Control Module Unit 284E75XA0A
Promo price
£51.95
£31.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6399003101
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003101
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2049006413
Mercedes W172 W204 C207 Airmatic Air Suspension Damper Adjustment A2049006413
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2195404505
Mercedes C219 Coupe Front Bumper Parking Sensor PDC Wiring Harness A2195404505
Promo price
£85.95
£73.06
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2123300135
Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-A2045450503
Mercedes W204 Fuse Box Cover Control Unit Holder Bracket A2045452147
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2218703779
Mercedes W221 Dashboard Instrument Cluster PDC Panel Button Switch A2218703779
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2535400401
Mercedes X253 Alternator Wiring Harness Loom Cable Busbar A2535400401
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A6511400800
Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2769007300-1
Mercedes C207 E400 BE M276.820 333HP Engine Control Unit ECU Kit A2769007300 Key
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2469005312
Mercedes X117 X156 W246 Relay Control Unit Module A2469005312
Promo price
£61.95
£37.17
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2218201875
Mercedes W221 Aerial Antenna Control Unit Keyless Go Entry Module A2218201875
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6519003203-5
Mercedes W906 310 CDI OM651.955 95HP Diesel Engine ECU Kit A6519003203 Key Lock
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-A2128202913
Mercedes-Benz C E W204 W207 W212 Heater Matrix Electrical Wiring Cable Harness
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A9075402087
Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401305
Promo price
£51.95
£31.17
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2059051106
Mercedes W205 Antenna Aerial Amplifier Module Receiver AMP Unit A2059051106
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1725451000
Mercedes R172 Amplifier Audio Unit Mount Support Bracket Holder A1725451000
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1665450403
Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

Part no. A6421508900-11
Mercedes W221 E350 CDI BE OM642 265HP Engine Control ECU A6421508900 Automatic
£189.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1185402504
Mercedes C118 Door Harness Rear Left N/S Door Wiring Loom A1185402504
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2465400308
Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2078202810
Mercedes W207 Convertible Anti Theft Roof ITS TPS Sensor Module Unit A2078202810
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2218707393
Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A1645451840
Mercedes W164 ECU Control Unit Bracket Holder A1645451840
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A1715400330
Mercedes SLK R171 Battery Cable Starter Alternator Wiring Harness A1715400330
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. RHD-A4705403401
Mercedes X470 Front Door Harness Cable Wiring Right O/S Driver's Side 241245XF0B
Promo price
£70.95
£60.31
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2465400335
Mercedes W176 W246 Negative Earth Cable Battery Terminal Wiring A2465400335
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. A2128270228-KB
Mercedes W212 C218 Roof Antenna Shark Kosmos Black Metallic - 191 A2128270228
£18.95
Free delivery: Mar 02
If paid before 14:00

Part no. A1718203389-1
Mercedes R171 Head Unit Radio Player Sat Nav Comand DVD APS A1718203389
£237.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A1698208626
Mercedes-Benz A B W169 W245 Door Control Module Right Rear O/S A1698208626
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1648206185
Keyless Go Module Mercedes W164 ECU Door Lock Control Unit A1648206185
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2074407613
Mercedes-Benz E-Class W207 Cabrio A207 Centre Console Divider Wiring Harness
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1679001520
Mercedes C118 W167 W177 W247 Ignition Control Module Unit ECU A1679001520
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 237105JK8B-1
Mercedes W470 X250D OM699.303 190HP Engine Module ECU Kit 237105JK8B Automatic
Promo price
£161.95
£97.17
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2129004206
Door Module Mercedes W212 E-Class Rear Right O/S Control Unit A2129004206
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2058270701
Mercedes W205 C253 Licence Information Software Disc A2058270701
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6519007500-19
Mercedes W204 C220 CDI 651.911 136HP Engine Unit ECU Kit A6519007500 Key Lock
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2465453740
Mercedes-Benz A B Class W176 W246 Rear Fuel Pump Control Unit Bracket Holder
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2055406921
Battery Wiring Mercedes X253 Diesel OM651 Alternator Harness Cable A2055406921
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2229002014
Mercedes X253 Door Module Rear Right Control Unit A2229002014
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2045402610
Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2074405433
Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2479002513
Telematic Control Module Mercedes W447 W907 W910 Telematics Unit A2479002513
Promo price
£94.95
£80.71
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2195404605
Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2466200514
Mount Support Mercedes W176 Battery Bracket Holder A2466200514
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A1694710141
Mercedes W169 W245 Fuel Pump Cable Harness Bracket Mount Trim A1694710141
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. A6421508100-3
Mercedes V251 642.950 4-Matic 224HP Engine Control ECU A6421508100 Automatic
£237.95
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. A2479008109
Mercedes V177 W247 Body Control Module BCM V2 Unit ECU A2479008109
£284.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6079002300-5
Mercedes W176 180 CDI 607.951 109HP ECU Kit A6079002300 Key Lock Automatic
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00

Part no. A1775404442
Mercedes C118 W177 W247 DC/DC Converter Cable Wiring Harness M260 A1775404442
£23.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A6394404906
Mercedes-Benz Vito W639 Loudspeaker Cable Wiring Loom Harness A6394404906
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. RHD-A2315400508
Mercedes R231 Front Door Lock Wiring Harness Cable Right O/S A2315400508
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1725400433
Electric Wire Mercedes SLK R172 M271 Alternator Prefuse Box Wiring A1725400433
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2229001814
Door Module Mercedes W205 X253 Rear Left N/S Control Unit A1698209126
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A0038206926
Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926
Promo price
£42.95
£36.51
Free delivery: Mar 02
If paid before 14:00

Part no. A4155401005
Mercedes Citan W415 Renault Kangoo Front Door Wiring Loom Left N/S 8200809160
£32.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2048703994
iPod Interface Amplifier Mercedes W204 Module Control Unit ECU A2048703994
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-A2126840137
ECU Holder Mercedes W212 Legroom Support Bracket Control Unit Module A2126840137
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2055400124
Mercedes W205 Fuse Box Relay Housing Cover A2055400124
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2115406545
Mercedes W211 PDC Parking Distance Control Unit Module Parktronic A2115406545
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. A2129060605-1
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
£70.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2059009827
Mercedes A205 Air Module Control Unit ECU A2059009827
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2135400200
Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. A6421509777-1
Mercedes W221 S320 CDI 232HP Engine Control Module ECU Set A6421509777 Automatic
£222.95
Free delivery: Mar 3 – 10
If paid before 14:00

-5%
Part no. A2044406135
Mercedes W204 Door Harness Loom Cable Wiring Rear Right O/S A2044406135
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2124407952
Battery Cable Mercedes W212 W218 Negative Lead Terminal Harness A2124407952
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2044405935
Mercedes W204 Door Card Harness Loom Cable Wiring Front Left N/S A2044405935
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6394460446
Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6394460446
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

Part no. A6519007600-5
Mercedes W176 A180 CDI OM651.901 109HP Engine Unit ECU Kit A6519007600 Automatic
£170.95
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. A2711500391-12
Mercedes W204 C207 W212 M271.820 156HP Engine ECU Kit A2711500391 Automatic
£332.95
Free delivery: Mar 3 – 10
If paid before 14:00

-40%
Part no. A1679001419
Bluetooth Module Mercedes W167 W205 Multimedia Control Unit ECU A1679001419
Promo price
£80.95
£48.57
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A0035421619
Mercedes W177 Relay 052 Engine Fuse Box Relay Slot B D E 70A Tyco A0035421619
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1669005412
Mercedes W166 Door Module Rear Left N/S Control Unit ECU A1669005412
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2135451540
Camera Module Bracket Mercedes W213 S213 Rear Housing Left N/S A2135451540
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A0015456403
Mercedes Sprinter W906 Fuse Box Relay Cover Box Cap A0015456403
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2074405734
Mercedes W207 Wiring Loom Harness Cable A2074405734
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6429002900-4
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key Lock
Promo price
£427.95
£256.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A9075407160
Mercedes W907 W910 Battery Electrical Wiring Harness Ground Line A9075407160
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2135406631
Mercedes W213 Rear Door Wiring Harness Cable Left N/S A2135406631
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2045451047
Control Unit Bracket Mercedes W204 W212 Audio Module Holder Mount A2045451047
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2118203375
Antenna Booster Mercedes W211 Rear Boot Lid Tailgate Amplifier A2118203375
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. 002-736-05
Mercedes C219 ECO PowerXtra Engine Chiptuning Performance Module ECU 002-736-05
£284.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2115406606
Mercedes W211 Cable Loom Wiring Parking Sensors Rear A2115406606
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6519000601-4
Mercedes W906 210 CDI 651.956 95HP Engine ECU Kit A6519000601 Ignition + Key
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2055400428
Battery Wiring Mercedes GLC X253 C253 Diesel OM651 Starter Cable A2055400428
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0009051811
Mercedes W206 Negative Batery Cable Wiring Harness Minus Pole A0009051811
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00

Part no. A2139009020-1
Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
£170.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1665402950
Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950
Promo price
£127.95
£76.77
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2215450701
Mercedes W221 Fuse Box Distribution Dashboard A2214409107
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-A1705400224
Mercedes SLK R170 Control Unit Module ECU Cover Box Housing Bracket A1705400224
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2218207389
Mercedes W221 Seat Headrest Display Monitor Rear Entertainment Unit A2218207389
Promo price
£180.95
£108.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2094400705
Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
Promo price
£23.95
£14.37
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 .