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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Price

Part no. A2649001200-5
Mercedes C205 C200 M264.915 Engine Control Unit ECU A2649001200 Automatic
£189.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1779005509
Door Module Mercedes C118 W177 H243 Rear Left N/S Door Control A1779005509
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2479052503
Mercedes Sprinter W910 Remote Key Control Unit A2479052503
Promo price
£75.95
£64.56
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A7899826101
Mercedes H243 EQA Intica Systems Mount Support Holder Bracket A7899826101
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2045420323
PDC Display Mercedes W204 Front Parking Sensor Screen Control Unit A2045420323
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2038219751-3
Mercedes W203 C209 Roof Alarm Motion Sensor Module Cover Trim Beige A2038219751
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-A2046840137
Mercedes-Benz E-Class W207 A207 C207 Control Unit Module Bracket Passenger Side
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A1645453040
Mercedes-Benz ML GL R W164 W251 Additional Backup Battery Holder A1645453040
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A1660080799
Mercedes W166 Map Card Fuse Box Grouping Diagram A1660080799
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0009001017
Mercedes S205 W205 Air Conditioning Control Module A/C ECU Unit A0009001017
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2515400524
Mercedes W251 Fuse Relay Electrical Box Housing Cover A2515400524
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

Part no. A2189009003
Mercedes CLS C218 Front Headlight Xenon Ballast Control Module Unit A2189009003
£56.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. RHD-A1664404337
Mercedes C292 Positive Cable Battery Starter Alternator Plus Wiring A1664404337
Promo price
£70.95
£42.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2465409934
Mercedes W176 Door Harness Left Right N/O/S Rear Door Wiring Loom A2465409934
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6089001500-2
Mercedes W177 A180d 116hp OM608.915 Engine ECU Kit A6089001500 Key Lock
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2474703702
Mercedes W177 W247 Solenoid Valve Line Pipe Hose Starter A2474703702
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1669061202
Mercedes W221 Fuse Box Control Unit Module Relay A1669061202
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2049000607
Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2059004521
Door Module Mercedes W205 GLC C253 Rear Left N/S Control Unit ECU A2059004521
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A0038201926
Mercedes W221 Door Crash Impact Sensor Rear Left Right N/O/S A0038201926
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2059008143
Mercedes W205 Front Telephone Wireless Charging Load Wattage Module A2059008143
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0009068705
Mercedes S205 Negative Battery Cable Terminal Clamp Wire A0009068705
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2198201326
Mercedes C219 Passenger Side Front Control Module A2198201326
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2128203313
Mercedes W212 Wiring Loom Headrest Cable Harness Rear A2128203313
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. RHD-A2465452940
Bracket Mount Mercedes W246 Gearbox Control Unit Holder Bracket A2465452940
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2769064400
Mercedes W212 Petrol Engine Starter Motor A2769064400
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2649000700-1
Mercedes W205 C200 264.915 198HP Engine Control ECU Kit A2649000700 Automatic
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2479006213
Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213
Promo price
£446.95
£379.91
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2129003708
Mercedes W212 COMAND Radio Head Unit Navi CD DVD Player Navigation A2129003708
Promo price
£161.95
£137.66
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2048200811
Mercedes W204 W207 W212 Phone Adapter Contact Plate Holder Telephone A2048200811
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1679005231
Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005231
Promo price
£427.95
£256.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A1645403132
Mercedes-Benz M-Class ML W164 Wiring Loom Cable Harness Fuel Tank A1645403132
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2465400308-1
Mercedes W176 W246 OM651 Alternator Cable Battery Prefuse Box A2465400308
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2215452716
Mercedes-Benz S-Class W221 PDC Parking Sensor Control Unit Module A2215452716
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. 241255XF0B
Mercedes W470 Rear Right O/S Door Wiring Loom Harness 24125 5XF0B
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2215404550
Mercedes W221 Front Fuse Box Unit A2215404550
Promo price
£70.95
£42.57
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2045409533
Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2045409533
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2125455640
Mercedes W212 Battery Holder Mount Bracket Support E-Class A2125455640
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6421503972-1
Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421503972 Key Lock
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2125406705
Wiring Loom Mercedes W212 Cable Front Door Right O/S Driver Side 8
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2045402410
Mercedes W204 Door Wiring Front Left N/S Door Cable Harness A2045402410
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2045401434
Mercedes W204 OM642 Alternator Starter Wiring Harness Cable A2045401434
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2075402013
Door Cable Mercedes W212 Wiring Loom Front Left Right Door N/O/S A2075402013
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-A1775406801
Door Cable Mercedes V177 Wiring Loom Front Right Driver Door O/S A1775406801
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. A2055404207-1
Mercedes W205 Front Bumper PDC Parking Sensor Wiring Harness Cable A2055404207
£89.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-A2115458240
ECU Bracket Mercedes W211 CLS C219 Control Unit Module Holder Mount A2115458240
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2465406809
Mercedes W176 W246 Wiring Loom Cable Door Rear Left Right N/O/S A2465406809
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2129068800-2
Mercedes W212 Radio Head Unit COMAND Navi CD DVD Player Control Unit A2129068800
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00

Part no. A2198200511-1
Mercedes CL C216 Bluetec Contact Plate Adapter Phone Recording A2198200511
£37.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1765406708
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2129063301
Head Unit Mercedes C207 W212 High Radio Sat Nav Navigation A2129063301
Promo price
£189.95
£161.46
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2045451040
Mercedes W204 W212 Multimedia Interface Unit Module Bracket Mount A22045451040
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2115405645-1
Mercedes W211 Central Gateway Module Control Unit A2115405645
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6549004300
Mercedes X253 GLC220 4Matic OM654.920 Engine Control ECU A6549004300 Automatic
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A0035455005
Mercedes W202 W210 Kick Down Kickdown Relay Electrical Module Unit A0035455005
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2465400508
Battery Cable Mercedes C117 W176 W246 Alternator Wiring Harness A2465400508
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2044400102
Mercedes W204 Airmatic Air Suspension Control Unit Module ECU A2044400102
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2315408813
Mercedes R231 Battery Negative Terminal Cable Wiring Wire A2315408813
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2319009006
Door Module Mercedes R231 Front Door Left N/S Control Module A2319009006
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2769004901
Mercedes A238 Convertible E450 M276.823 Engine ECU Unit A2769004901 Automatic
Promo price
£379.95
£227.97
Free delivery: Mar 3 – 10
If paid before 14:00

-15%
Part no. A2218708285
Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708285
Promo price
£474.95
£403.71
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1679004416
Keyless Go Module Mercedes C118 W177 W247 ECU Entry Control Unit A1679004416
Promo price
£42.95
£36.51
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6421509078-1
Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A7893432811
Mercedes H243 EQA Plate Mount Support Holder Bracket A7893432811
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. A2049003509-1
Mercedes W204 S204 Radio Head Unit Sat Nav CD Player A2049003509
£28.95
Free delivery: Mar 02
If paid before 14:00

Part no. A0009050254
Mercedes W212 Negative Battery Cable Terminal Wiring A0009050254
£13.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2229001408
Module Mercedes S205 Trunk Rear Tuner Digital Radio DAB Control Unit A2229001408
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2055408406
Mercedes W205 Door Wiring Front Left Right N/O/S Cable Harness A2055408406
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2129060205-1
SAM Module Mercedes W207 W212 Rear Control Unit ECU A2129060205
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A9075406749
Mercedes W907 Battery Electrical Ground Line Wire Earth Cable A9075406749
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-A1725400208
Mercedes SLK R172 Door Locking System Cable Wiring Harness Right O/S A1725400208
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2319000208
Mercedes SL R231 Vario Folding Roof Module Control Unit ECU A2319000208
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

Part no. A2218702989
Mercedes C216 W221 R230 TV Tuner Video Control Unit Module A2218702989
£142.95
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. A0009000646
Parktronic Mercedes C118 C167 W177 W247 Parking Control Unit Module A0009000646
£360.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. RHD-A2135400850
Fuse Box Mercedes W213 C238 Relay Module Control Unit A2135400850
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2829006700
Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic
Promo price
£218.95
£131.37
Free delivery: Mar 3 – 10
If paid before 14:00

-15%
Part no. A1635455032
Mercedes W163 Gearbox Transfer Case Control Module Unit ECU A1635455032
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A0035420219-2
Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue SET X2 A0035420219
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2215408362
Mercedes C216 W221 Gateway Control Unit Module ECU A2215408362
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2055400548
Mercedes W205 Front Right O/S Door Electrical Wiring Harness A2055400548
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2044409005
Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1779001802
Safety Module Mercedes W177 SRS Safety Systems Control Unit Bosch A1779001802
Promo price
£80.95
£48.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2044407351
Battery Cable Mercedes W204 C207 Starter Alternator Wiring Harness A2044407351
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00

Part no. A2711500391-11
Mercedes W204 C207 W212 C250 M271.860 204HP Engine ECU Kit A2711500391 Automatic
£275.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2218708685
Mercedes W221 Telephone Bluetooth Control Module A2218708685
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. A2129009922
Mercedes S212 Fuse Box Relay Control Unit SAM Module A2129009922
£56.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6429006301
Mercedes ML W166 BlueTec Exhaust Gas Aftertreatment Control Unit A6429006301
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1669001708
Mercedes X166 Module SAM Electronics Control Unit A1669001708
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1679005218
Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005218
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6409004900-1
Mercedes W169 W245 180 CDI OM640.940 109HP Engine ECU Kit A6409004900 Key Lock
Promo price
£132.95
£79.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2056186100
Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186100
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A7893432611
Mercedes H243 EQA Battery Bracket Holder Mount Cover Orange A7893432611
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A1695407505
Mercedes W169 Door Wiring Cable Front Right O/S Door Harness Loom A1695407505
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A4155404305
Microphone Cable Mercedes Citan W415 Wiring Loom Cable Harness 27083202
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2055409648
Mercedes W205 Door Wiring Front Right O/S Harness Loom Cable A2055409648
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A1765403104
Mercedes W176 Multimedia Box Wiring Loom Electrical Harness For RHD A1765403104
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2479002212
Multimedia Control Mercedes C118 W167 W177 W247 Module Unit ECU A2479002212
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

Part no. A2319007306-1
Mercedes R231 SAM Module Control Unit Fuse Relay Box Rear A2319007306
£94.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2055455400
Mercedes W205 Battery Power Connection Wiring Bar Rail Busbar A2055455400
Promo price
£32.95
£19.77
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 .