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
-40%
Part no. A1669003208
Mercedes ML W166 SAM Control Unit Rear Fuse Module A1669003208
Promo price
£104.95
£62.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1718704794
Mercedes SLK R171 Radio Comand Nav CD Player Control Head Unit A1718704794
Promo price
£759.95
£455.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2439000800
Drivetrain Module Mercedes H243 Transmission Control Unit ECU A2439000800
Promo price
£132.95
£79.77
Free delivery: Mar 3 – 10
If paid before 14:00
Part no. A2214404913
Mercedes W221 Door Harness Wiring Loom Front Passenger Side A2214404913
£37.95
Free delivery: Mar 02
If paid before 14:00
Part no. A2055407942
Mercedes W205 Front Door Harness Wiring Cable Left Right N/O/S A2055407942
£28.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1718200015
Mercedes SLK R171 Rear Window Heating Cable Loom Heat Wiring Harness A1718200015
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-A2124405713
Alternator Cable Mercedes W212 OM651 Battery Prefuse Box A2124405713
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A2465403408
Mercedes X156 Door Wiring Cable Harness Loom Front Rear Right O/S A2465403408
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A2034403332
Mercedes CLC-Class CL203 Door Cable Harness Wiring Loom Left N/S A2034403332
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2115400008
ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2208200764-2
Mercedes W220 Rear Tail Light Lamp Side Wiring Plug Harness Left N/S A2208200764
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1728202989
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1728202989
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
Part no. A1695450046-1
Mercedes W169 W204 Battery Relay Module Box A1695450046 A0035422619
£13.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6401502579
Mercedes W169 200CDI OM640.941 140HP Engine Control Unit Module ECU A6401502579
Promo price
£142.95
£85.77
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. 9876793
BMW M2 F87 Telematics Module Telephone Communication Control Unit 9876793
Promo price
£180.95
£108.57
Free delivery: Mar 02
If paid before 14:00
Part no. A2215408508
Mercedes W221 Door Harness Wiring Loom Rear Left N/S A2215408508
£28.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1635450440
Mercedes-Benz M-Class ML W163 Holder Bracket Engine Control Unit A1635450440
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A2135404139
Fuse Box Mercedes W213 C238 C257 Front Relay Module Control Unit A2135404139
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2048210197
Door Cable Guide Mercedes W204 Front Wiring Loom Harness Channel A2048210197
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A2535407831
Mercedes C253 Front Right O/S Door Electrical Wiring Harness A2535407831
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
Part no. A2169000101
Mercedes CL C216 Door Control Unit Module ECU Front Left N/S A2169000101
£80.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0045454140
Mercedes ML W164 W251 Door Wiring Joint Protective Cap Bracket
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0018275101
Mercedes W164 Tyre Pressure Sensor Rear Right Left Antenna Module A0018275101
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 284B15XA0B
Mercedes W470 BCM Body Control Module Unit ECU 284B15XA0B
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2218705093
Mercedes W221 Door Control Module Unit ECU Rear Left Right N/O/S A2218705093
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2239003530-1
Mercedes W206 W223 Remote Trunk Closing Control Unit Module A2239003530
Promo price
£132.95
£79.77
Free delivery: Mar 02
If paid before 14:00
Part no. A1775400840
Mercedes C118 W177 W247 Engine Compartment Fuse Box M260 Petrol A1775400840
£61.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2128270228-PAL
Mercedes W212 Aerial Fin Roof Antenna Shark Palladium Silver - 792 A2128270228
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2038219751-1
Mercedes-Benz C-Class W203 Alarm Sensor Module Unit A2038219751
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2133402600
Mercedes W205 W213 Battery Holder Mounting Bracket Support A2133402600
£28.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-A2075400533
Mercedes C207 Door Cable Wiring Harness Loom Front Right O/S A2075400533
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2075405105
Mercedes W204 C207 W212 Panoramic Sunroof Wiring Cable Harness A2075405105
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A9062700060
Mercedes Sprinter W906 Mechatronic Automatic Gearbox Control Unit A9062700060
Promo price
£436.95
£262.17
Free delivery: Mar 02
If paid before 14:00
Part no. CPLA-14D455-AF
Range Rover L405 Blind Spot Radar Sensor Module Control Unit CPLA-14D455-AF
£113.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1664409735
Mercedes ML W166 Battery Cable Alternator Starter Motor Wiring A1664409735
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2128204713
Seat Wiring Mercedes W212 Front Loom Harness Passenger Side A2128204713
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2469067100-1
Mercedes W176 W246 C117 Fuse Relay Box Unit Cables Wiring Loom A2469067100
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6429002900-6
Mercedes C207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
Promo price
£113.95
£68.37
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. A2078200075
Antenna Mercedes W212 Keyless Go Comfort Access Antenna Module Unit A2078200075
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1679001420
Central Locking Module Mercedes C118 W177 Door Lock Control Unit A1679001420
Promo price
£61.95
£37.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2055402594
Mercedes W205 Hybrid Power Electronic Drive Control Unit Wiring A2055402594
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2208205042
Mercedes-Benz S W220 Front Seat Adjustment Left Motor Actuator N/S A2208205042
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6394460027
Mercedes W639 Gateway Control Unit Module ECU A6394460027
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. 237305XA1A
Mercedes W470 X250D AdBlue Emission Control Unit Module Unit 237305XA1A
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2475400600-1
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. A2319000808
Mercedes R231 Radio Sat Nav Seat ESP Control Panel Head Unit A1769022301
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2139008430
Mercedes W910 Gearbox Control Module A2139008430
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. A6421502277-1
Mercedes ML W164 280CDI 4-Matic OM642 Engine Control ECU Kit A6421502277 Automat
£123.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A9065450240
Mercedes Sprinter W906 Front Seat Fuse Box Bracket Mount Holder A9065450240
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2198203626
Mercedes CLS W219 Door Module Rear Right O/S Control Unit A2198203626
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2069004815
Mercedes W206 Active Parking Camera 360 Control Unit Module ECU A2069004815
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1776203400
Mercedes W177 W247 Battery Bracket Mount Holder Support A1776265300
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519007500-24
Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Manual
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
Part no. RHD-A1779008116
Mercedes C118 W177 W247 Dashboard Multimedia Display Speedo Screen A1779008116
£151.95
Free delivery: Mar 02
If paid before 14:00
Part no. A2048204697-2
Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
£142.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1679009521
Mercedes W177 Keyless Entry ECU Control Module Unit A1679009521
Promo price
£70.95
£42.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1779005409
Door Module Mercedes C118 W177 H243 Front Right O/S Door Control A1779005409
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2118704085
Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1695408505
Mercedes W169 Heater Cable Wiring Fan Box Loom Harness Diesel A1695408505
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519002803-3
Mercedes Vito W447 114 CDI OM651.950 Engine ECU Kit Ignition + 2 Key A6519002803
Promo price
£379.95
£227.97
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. rhd-A1725450101
Mercedes SLK R172 Fuse Box SAM Module Unit Bracket Carrier Holder A1725450101
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A0009003039
Mercedes C118 W177 Starter Battery Control Unit Module DC Converter A0009003039
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2218200115
Mercedes W221 Universal Handy Interface UHI Adapter Wiring Harness A2218200115
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2188201926
Mercedes CLS C218 Bi-Xenon Headlight Ballast Module Control Unit A2188201926
Promo price
£85.95
£73.06
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2319008207
Mercedes R231 Engine Sound Generator Module Control Unit A2319008207
Promo price
£123.95
£74.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-A2129063102
Fan Blower Mercedes W212 Comand Navi CD Control Unit Module Cooler A2129063102
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0025409117
Mercedes W221 Blind Spot Radar Distance Sensor Rear Left Right N/O/S A0025409117
Promo price
£241.95
£205.66
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2535848913
Mercedes C253 Fuse Box Grouping Fuse Placement Map Card Diagram A2535848913
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2479004505-1
Mercedes Vito W447 Sprinter W907 W910 Telematics Module Control Unit A2479004505
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2124404250
Mercedes W212 Front Air Vent Centre Cable Wiring Dashboard Loom A2124404250
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A1779061302-1
Mercedes EQA H243 X118 W247 Fuse Box Relay Control Unit Module A1779061302
£66.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2059067200
Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2218201811-1
Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter A2218201811
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2229004220
Mercedes GLC X253 Communication Module LTE Telephone Bluetooth A2229004220
Promo price
£175.95
£105.57
Free delivery: Mar 02
If paid before 14:00
Part no. A1668311246
Mercedes ML W166 Music CD Player Ventilator Blower Fan A1668311246
£32.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A9065410740
Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2059000219
Mercedes C117 W176 W205 Telematics Module Communication Control Unit A2059000219
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2205451840
Mercedes CL S Class C215 W220 Control Module Fuse Box Unit Holder A2205451840
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2139004119
Module Mercedes W205 Drivetrain Gearbox Control Module Unit A2139004119
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2518204426
Mercedes V251 W164 Front Lamp Headlight Control Module Unit HELLA A2518204426
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2319006106
Mercedes R231 Sam Control Module Fuse Box Unit A2319006106
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A9078209400
Mercedes Sprinter W907 W910 Radio Stereo Player Head Unit A9078209400
Promo price
£94.95
£80.71
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6401500101
Mercedes W169 W245 A160 B160 CDI OM640.942 82HP Engine ECU A6401500101 Automatic
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2188701489
Mercedes W218 Audio Amplifier Harman Kardon Subwoofer Control Unit A2188701489
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1695407205
Mercedes-Benz B W245 Parktronic Parking Sensor Wiring Cable Rear PDC A1695407205
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2469009802
Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2129004001
Mercedes W212 Fuse Box Control Unit Module SAM Relay Electrical Unit A2129004001
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2129060105
Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129060105
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2661503133
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661503133
Promo price
£94.95
£80.71
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2519063200
Mercedes W251 Rear DVD Entertainment System Video Player Unit A2519063200
Promo price
£237.95
£142.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1698204415
Media Plug Mercedes W169 W245 Multimedia Connection Cable Wire A1698204415
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. A1779009902-1
Mercedes W177 Front Windscreen Windshield Camera Multi Purpose Unit A1779009902
£32.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2215408245
Mercedes W221 Air Suspension Control Unit Module ECU A2215408245
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1765405508
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405508
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2098205126
Mercedes CLK A209 Convertible Roof Top Control Unit Module ECU A2098205126
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1729058300
Mercedes SLK R172 Pedestrian Protection Impact Crash Sensor Module A1729058300
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2135409616
Mercedes Sprinter W910 Battery Sensor Negative Terminal Cable Wiring A2135409616
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. A2319001407
Mercedes R231 Display LCD Screen Information Navigation Dashboard A2319001407
£313.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1669005612
Door Module Mercedes ML W166 Rear Right O/S Door Control Unit A1669005612
Promo price
£18.95
£16.11
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 .