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
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In Stock
Price
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Part no. A2661539679-1
Mercedes W169 W245 B170 M266.940 116HP Engine Control Unit Set A2661539679
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1644400040
Mercedes W164 Daytime Running Lights Wiring Harness Cable Front A1644400040
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2039000100
Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2039000100
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2215450601
Mercedes W221 Dashboard Fuse Box Front Left N/S Control Module A2215450601
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2135402531
Mercedes W213 Door Wiring Harness Loom Front Right O/S A2135402531
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2469002616
Mercedes W176 W246 PDC Parking Distance Sensor Control Unit Module A2469002616
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2139006016
Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139006016
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6401508334-1
Engine Control Unit Mercedes W245 B200 CDI OM640.941 140HP ECU A6401508334
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2189000104
Mercedes CLS X218 Parktronic PDC Parking Assist Control Module A2189000104
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1776204701
Battery Holder Mercedes C118 W177 W247 Tray Frame Base A1776204701
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1729056500
Mercedes-Benz A B Class W176 W246 Aerial Antenna Cable A1729056500
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519007500-22
Mercedes C204 C250CDI 651.911 Engine ECU Kit A6519007500 Ignition + 2 Keys
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1779004705
Head-Up Display Mercedes W177 C118 Dashboard Dash Screen Monitor A1779004705
Promo price
£94.95
£80.71
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2048200015
Telephone Cable Mercedes W204 C207 W212 Wiring Adapter Line A2048200015
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2711504279-3
Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU Kit A2711504279 Manual
£379.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A4475409882
Mercedes Vito W447 Battery Bracket Mount Holder Support A4475409882
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2479001416
Mercedes CLA C118 W177 W247 4matic AWD Module Control Unit A2479001416
Promo price
£80.95
£68.81
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2468200035
Mercedes-Benz A-Class W176 Mikrophone Roof Control Module A2468200035
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2469052602
Dashboard Panel Mercedes W176 W246 Switch Dynamic Select Start/Stop A2469057902
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2045402210
Mercedes W204 Front Door Ribbon Electrical Cable Wiring Loom A2045402210
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A9065400041
Mercedes Sprinter W906 Battery Cable Negative Lead Wiring Harness A9065400041
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1695403945-1
Mercedes W169 W245 Central Gateway Control Unit Module ECU A1695403945
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1645400436
Mercedes ML164 Alternator Wiring Starter Motor Harness OM642 A1645400436
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2045452647
Mercedes W204 Aerial Antenna Control Unit Bracket Holder Mount A2045452647
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0025428419
Relay Mercedes W176 W246 4-Pin Black Hella 12V A0025428419
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2469005315
Transmission Module Mercedes W176 OM607 Diesel Control Unit A2469005315
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2218708326
Mercedes W221 Rear View Backup Camera Control Unit Module A2218708326
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2215400205
Mercedes W221 Brake Pad Wear Indicator Sensor Front Left Right N/O/S A2215400205
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2214409035
Mercedes-Benz S W221 Wiring Loom Cable Door Rear Left Right N/O/S A2214409035
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 277605XB0A
Heater Module Mercedes W470 Nissan Navara D23 Air Conditioning Unit 277605XB0A
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A2129063102-2
Fan Blower Mercedes W212 Comand Navi CD Control Unit Module Cooler A2129063102
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A0009004434-2
Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
Promo price
£118.95
£71.37
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. A2035409213
Mercedes W203 Door Wiring Harness Front Left Right N/O/S Wiring Loom A2035409213
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2059001611
Mercedes W205 Door Module Front Right O/S Control Unit ECU A2059001611
Promo price
£18.95
£16.11
Free delivery: Mar 02
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
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A9109053300
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable A9109053300
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2129001606
Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001606
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1665420218
Negative Cable Mercedes W169 W204 W212 Battery Boot Negative Lead Sensor
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2475400700
Mercedes W177 Rear Axle Wheel RPM Speed Left N/S Sensor Wire Harness A2475400700
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2465451500
Mercedes W176 Control Unit Bracket Holder Mount A2465451500
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A7893432511
Mercedes H243 EQA Plate Mount Support Holder Bracket A7893432511
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2059065806
Mercedes W205 W213 C253 Fuse Box Front Relay Control Unit Module A2059065806
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2218702292
Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2389000401
Mercedes C238 E53 Coupe Window Lifter Comfort Module Unit Rear A2389000401
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1769980001
Door Wiring Plug Mercedes W176 W246 Cable Lead Connector A1769980001
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2045456301
Mercedes W204 Comfort Control Module Front Fusebox A2045456301
£427.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2475400600
Mercedes W177 Rear Axle Wheel RPM Speed Right Sensor Wire Harness A2475400600
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2178706189
CD Changer Mercedes W164 CD Changer 6 Disc Player A2178706189
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A9106863000
Mercedes W910 Battery Plastic Top Cover Left N/S A9106863000
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. A2185403405
Mercedes CLS C218 Rear Door Wiring Harness Loom Left Right O/S A2185403405
£18.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2218708992
Mercedes W221 C216 Telephone Bluetooth Connection Control Module A2218708992
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-A2125400832
Door Wiring Mercedes W212 Cable Front Left N/S Door Harness Loom A2125400832
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6569060300
Mercedes W213 C238 Starter Motor Engine Actuator Unit OM656 Diesel A6569060300
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2721530692
Mercedes A209 CLK290 M272.940 231HP Engine Control ECU A2721530692 Automatic
Promo price
£260.95
£156.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A0009007009
Mercedes Vito W447 Diesel Adblue Module Control Unit ECU A0009007009
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1668200400
Mercedes GLE W166 C292 Front Seat Occupancy Sensor Wire Harness A1668200400
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
Part no. A2135406831
Mercedes W213 Rear Door Wiring Harness Keyless Left Right N/O/S A2135406831
£23.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A4475403755
Mercedes W447 Wiring Harness Loom Cable A4475403755
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0025450601
Mercedes W906 Fuse Relay Box Module Control Unit A0025450601
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
Part no. A2169000501
Mercedes CL C216 Comand Radio Navi Head Unit CD Player 6-Disc A2169000501
£949.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2044409734
Mercedes C204 Front Bumper PDC Wiring Parking Sensor Loom Harness A2044409734
Promo price
£42.95
£36.51
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2315407410
Mercedes R231 AMG Front Brake Lining Harness Wiring Cable Right O/S A2315407410
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1645451240
Mercedes Benz M-Class ML W164 Control Unit Module Bracket Mount A1645451240
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519009702-4
Mercedes W176 A200d 651.930 136HP Engine ECU Kit Ignition + Key A6519009702
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2129000004-1
Mercedes W212 SAM Module Fuse Box Relay Electrical Control Unit A2129000004
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2059004021
Mercedes W205 GLC X253 Door Module Control Unit Front Left N/S A2059004021
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
Part no. A2185403005
Mercedes CLS C218 Front Door Wiring Harness Loom Passenger Side A2185403005
£18.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2038212489
Trunk Mercedes S203 Estate Rear Right O/S Wiring Cable Loom Channel A2038212489
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2139004709
Mercedes W213 Door Module Rear Left N/S Control Unit A2139004709
Promo price
£14.95
£14.20
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 284B17052R
Mercedes W415 Nissan Navara Body Control Module Unit BCM ECU 284B17052R
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1695420018-HBL
Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1775455800
Mercedes W177 AMG Control Unit Bracket Module Holder Mount A1775455800
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A4475401053
Mercedes Vito W447 Control Unit Module Bracket Holder Mount Carrier A4475401053
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2115453932
Mercedes W211 Parking Control Module Unit ECU Parktronic A2115453932
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2129007024
Mercedes CLS C218 Front Fuse Relay Box On Board Supply A2129007024
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
Part no. B67824565
Mercedes W164 iPod Interface Multimedia Music Connection Module B67824565
£23.95
Free delivery: Mar 02
If paid before 14:00
Part no. A2185402605
Mercedes CLS C218 Front Door Wiring Harness Loom Driver Side A2185402605
£18.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2518203910
Mercedes W164 Dew Point Fan Blower Humidity Resistance Sensor Unit A2518203910
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2139005009
Mercedes W213 Door Module Rear Right O/S Control Unit A2139005009
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2215402462
Mercedes W221 SAM Fuse Box Comfort Control Module Unit ECU A2215402462
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2229004618
Mercedes C205 Keyless Go Easy Entry Control Module Unit A2229004618
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0005459812
Mercedes Vito W447 W213 OM654 Power Distribution Relay Unit Module A0005459812
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519007401-7
Mercedes W212 E250 CDI OM651.924 204HP Engine ECU Kit A6519007401 Ignition Keys
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A9079051202
Mercedes Sprinter W907 Battery Wire Negative Lead Cable A9079051202
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519007500-13
Mercedes W212 E250 CDI 651.924 204HP Engine Unit ECU Kit A6519007500 Key Lock
Promo price
£265.95
£159.57
Free delivery: Mar 3 – 10
If paid before 14:00
Part no. A2135404825
Mercedes W213 Front Door Wiring Harness Ambiente Driver's Side A2135404825
£28.95
Free delivery: Mar 02
If paid before 14:00
Part no. A9064407353
VW Crafter I Mercedes Sprinter W906 Fuel Tank Wiring Loom Cable A9064407353
£13.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2185404607
Mercedes CLS W218 Rear Door Harness Loom Wiring Left Right N/O/S A2185404607
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2315400282
Mercedes R231 Fuse Box Cover Control Unit Holder Bracket A2315400282
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0009053816
Mercedes C118 W117 Battery Cable Negative Terminal Wiring A0009053816
Promo price
£32.95
£28.01
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-A6395408610
Mercedes-Benz W639 Battery Starter Alternator Positive Plus Cable A6395408610
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2135407525
Mercedes W213 Rear Door Wiring Harness Ambiente Left Right N/O/S A2135407525
£23.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2479003216
Mercedes C118 W247 Head Unit Radio Sat Nav Navigation Control Unit A2479003216
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2095404110
Mercedes CLK W209 Cabrio Door Wiring Front Left Right N/O/S Loom A2095404110
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1648209226
Mercedes ML W164 Keyless Go Module ECU Door Lock Control Unit A1648209226
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A4474404705
Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A6421508900-9
Mercedes W204 C350 CDI OM642.834 265HP BE Engine ECU Kit A6421508900 Automatic
£313.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A0005400764
Mercedes W205 Battery Negative Ground Bonding Line Wire Earth Cable A0005400764
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2229003210
Mercedes W205 Head Unit Audio Player Radio Sat Nav Module A2229003210
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 .