Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Make
Category
Subcategory
Condition
In Stock
Price

-15%
Part no. RHD-A2215404710
Mercedes W221 M272 Petrol Engine Starter Cable Harness Wiring A2215404710
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2049007111
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049007111
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2069003613
Mercedes W206 BCM Body Control Unit On Board Power Distribution A2069003613
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1669059302-1
Mercedes W166 Rear View Reversing Camera Trunk Lid Tailgate A1669059302
Promo price
£118.95
£101.11
Free delivery: Mar 02
If paid before 14:00

Part no. A2129005614
Mercedes C207 W212 W218 Radio Head Unit Navi CD Player Navigation A2129005614
£180.95
Free delivery: Mar 02
If paid before 14:00

Part no. A2139003110
Mercedes W213 COMAND Head Unit Radio Navi Player Control Unit A2139003110
£522.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A0009050238
Windscreen Camera Mercedes W204 W212 Front Windshield Camera Unit A0009050238
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2465408111
Mercedes W246 Door Wiring Loom Cable Front Right A2465408111
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0024463140-3
Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic
Promo price
£208.95
£125.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2208208410
Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A7899826201
Mercedes H243 EQA Intica Control System Module Unit Box A7899826201
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2769007300
Mercedes SL400 R231 276.825 333HP Engine Control Unit ECU A2769007300 Automatic
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-A2115459640
ECU Bracket Mercedes W211 CLS W219 Control Unit Module Holder Mount A2115459640
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1669003602
Mercedes W204 R172 DAB Receiver Digital Audio Control Unit Module A1669003602
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A0535450226
Mercedes Sprinter W906 Fuse Box Connector Plug Socket A0535450226
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2115401430
Mercedes W211 OM642 Battery Cable Starter Wiring Harness Loom A2115401430
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2055457200
Mercedes W205 Radio Stereo Head Unit Mount Bracket Holder Support A2055457200
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2129014204
Mercedes-Benz W212 ECU Control Unit Sensor Module Airbag A2129014204
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2049060805-1
Mercedes S204 Estate Rear SAM Control Module Unit Fuse Box A2049060805
Promo price
£61.95
£37.17
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2469000717
Mercedes C117 X156 All Wheel Drive Control Unit Module ECU MFA A2469000717
Promo price
£42.95
£36.51
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2469004313
Gearbox Module Mercedes W176 Automatic Transmission Unit ECU A2469004313
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. A2711502879-1
Mercedes W204 C200 M271.950 184HP Engine ECU Kit A2711502879 Ignition + Key Lock
£474.95
Free delivery: Mar 3 – 10
If paid before 14:00

-40%
Part no. RHD-A2214406610
Mercedes W221 Door Wiring Front Right O/S Harness Loom Cable A2214406610
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2308204226
Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A1695450003
Mercedes W169 Fuse Box Cover Trim Panel A1695450003
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. RHD-A2215400436
Mercedes C216 W221 Alternator Wiring Front Loom Harness Cable A2215400436
£23.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1669004302
Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2465407711
Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A2465407711
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. RHD-A2055403603
Mercedes W205 Battery Cable Starter Wiring Loom Harness M274 Petrol A2055403603
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2235403115
Mercedes W206 Rear Trunk Fuse Box On Board Power Distribution A2235403115
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0009009704
Adblue Module Mercedes W207 Exhaust Gas Treatment Control ECU Unit A0009009704
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2139004310
Mercedes W213 C238 Head Unit Radio Navigation Media Player Unit A2139004310
Promo price
£189.95
£161.46
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2055405626
Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
Promo price
£75.95
£64.56
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-A2465407414
Door Cable Mercedes W176 W246 Wiring Loom Front Right Door O/S A2465407414
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2075404107
Mercedes W204 M276 NOX Sensor Adapter Left N/S Harness Wiring Cable A2075404107
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2465402705
Mercedes W176 Door Harness Loom Cable Wiring Front Left Right N/O/S A2465402705
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6429001100-1
Mercedes C207 E350 CDI OM642.836 231HP Engine Unit ECU Kit A6429001100 Key Lock
Promo price
£265.95
£159.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2218708292
Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2468201915
AUX Jack Port Mercedes C117 W246 W176 Wiring Loom Cable Harness A2468201915
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2465454140
Mercedes W176 Battery Bracket Mount Holder Carrier Support A2465454140
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1729006503
Mercedes SLK R172 Roadster Folding Roof Module Vario Control Unit A1729006503
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2059000146
Mercedes W205 Display Screen Instrument Cluster Speedo Meter Sat Nav A2059000146
Promo price
£474.95
£284.97
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2709002100-14
Mercedes W176 W246 A180 270.910 122HP Engine Control ECU Kit A2709002100 Manual
Promo price
£427.95
£256.77
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2239050802
Mercedes W206 Brake Signal Level Sensor Control Unit Automatic A2239050802
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1669005012
Mercedes W166 Front Door Module Left N/S Control Unit ECU A1669005012
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

Part no. A4479000707
Mercedes Vito W447 Fuse Box Relay Control Unit Module A4479000707
£66.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2185450040
Mercedes CLS W218 Control Unit Bracket Amplifier Module Holder Mount A2185450040
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2185404507
Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185404507
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2115452301
Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2465401950
Battery Base Mercedes C117 W176 W246 Power Fuse Relay Box A2465401950
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6569001600-1
Mercedes W213 E400d 656.929 340HP Engine Unit ECU Kit A6569001600 Automatic
Promo price
£265.95
£159.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2069000618
Mercedes W206 Speedo Meter Module Control Unit ECU A2069000618
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

Part no. A0009058412
Mercedes C205 W205 Negative Earth Battery Cable Lead Loom Harness A0009058412
£32.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A1715400107
Mercedes SLK R171 Window Lifter Lift Switch Cable Wiring Harness A1715400107
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. A2218705089
Mercedes W221 Audio Amplifier Sound Harman Becker Control Unit A2218705089
£807.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2044402607
Earth Ground Cable Mercedes W204 W207 Battery Wiring Loom Engine A2044402607
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2475455500
Mercedes W177 Control Unit Bracket Amplifier Holder Mount Carrier A2475455500
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0045841181
Mercedes W211 C219 CD Media Player Radio COMAND Instruction APS A0045841181
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0005457616
Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0009009425
Mercedes W253 Air Conditioning Module A/C Climate Control Unit A0009009425
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0009007804
Mercedes X166 Surround View Camera Control Module Unit ECU A0009007804
Promo price
£208.95
£125.37
Free delivery: Mar 02
If paid before 14:00

Part no. A2125406905
Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905
£23.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-A2185401610
Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185401610
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-A6395402273
Mercedes Vito W639 Control Unit Module Bracket Holder Carrier A6395402273
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2059006413
Door Module W205 Rear Right O/S Door Control Unit Module ECU A2059006413
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. A2469056103
Mercedes SL R231 W246 Tailgate Rear View Reversing Camera A2469056103
£132.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A9065460643
Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1729051301
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2125409110-1
Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

Part no. A2125406105
Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105
£18.95
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. rhd-A2465408211
Door Cable Mercedes W176 W246 Wiring Loom Front Left Door N/S A2465408211
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6549009600-3
Mercedes GLC 220d X253 654.920 194HP 4Matic Engine Control Unit A6549009600
Promo price
£161.95
£97.17
Free delivery: Mar 3 – 10
If paid before 14:00

-5%
Part no. A1765405608
Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1775408609
Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2055406831
Door Wiring Mercedes A205 Pasenger Side Door N/S Harness Loom A2055406831
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2049005908-1
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A0005459712
Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712
Promo price
£13.95
£11.86
Free delivery: Mar 02
If paid before 14:00

Part no. A2719000600
Mercedes W203 C180 Kompressor M271.946 Engine Control Unit ECU A2719000600
£94.95
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2055406292
Mercedes C205 Rear Parking PDC Sensor Loom Wiring Harness Cable A2055406292
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2319003706
Mercedes R231 Control Unit Module Passenger Seat A2319003706
Promo price
£104.95
£62.97
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2479001709
Mercedes W907 Radio Control Unit ECU Module A2479001709
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A4475406777
Alternator Wire Mercedes Vito W447 Battery Alternator Cable A4475406777
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A0009009114
Mercedes W205 Air Conditioning Climate Control Module ECU A0009009114
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1718701410
Mercedes SLK R171 Alarm Anti Theft System Control Module Unit Roof A1718701410
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. rhd-A2925407000
Mercedes C292 Rear Door Left Right N/O/S Electrical Wiring Harness A2925407000
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1669001709
Mercedes ML W166 SRS System Air Module Control Unit ECU A1669001709
Promo price
£108.95
£65.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A6519003403-3
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2118704326
Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118704326
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2034450000
Mercedes Vito W639 Gateway Control Unit Module A2034450000
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A2549006200
Mercedes W206 C200 M254.915 204HP Engine Control Unit ECU A2549006200 Automatic
Promo price
£218.95
£131.37
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2055401604
Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A2055401604
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

Part no. A6429001100
Mercedes C207 E350 CDI OM642.836 231HP Engine Control ECU A6429001100 Automatic
£94.95
Free delivery: Mar 02
If paid before 14:00

Part no. A6421507100
Mercedes W164 ML350 OM642 4-Matic 224HP Engine Control ECU A6421507100 Automatic
£123.95
Free delivery: Mar 3 – 10
If paid before 14:00

Part no. A2055409591
Mercedes W205 Door Wiring Loom Harness Cable Rear Right Left N/O/S A2055409591
£47.95
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. rhd-A2218230350
Mercedes-Benz S-Class W221 Telephone Keypad Control Unit Module A2218230350
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-5%
Part no. A2135452840
Mercedes W213 ECU Bracket Control Unit Module Holder Mount A2135452840
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A1775457800
Suspension Module Bracket Mercedes W177 W247 AMG Control Unit Holder A1775457800
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00

-40%
Part no. A1649005001
Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001
Promo price
£522.95
£313.77
Free delivery: Mar 02
If paid before 14:00

-15%
Part no. A2139003317A
Mercedes C118 V177 W213 Diesel OM654 Automatic Transmission Module A2139003317
Promo price
£23.95
£20.36
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 .