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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Part no. 8519663-18
Mini Cooper D R55 R56 LCI N47N 1.6 112HP Diesel ECU Kit DDE 8519663 CAS3 Keys
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BMW F10 520d F20 120d F30 320d N47N 184HP Engine Unit ECU DDE 8578995
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Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
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BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7584113 Manual
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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BMW E92 Seat Covering Panel Sports Left Right Thigh Support Cover Black Leather
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Battery Cable BMW X3 F25 X4 F26 Underfloor Positive Plus Lead Harness 9321002
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Starter Renault Trafic II Opel Vivaro A 2.0 dCi Starter Motor Remy 233002654R
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Differential Lock Module BMW F13 M6 F80 M3 Rear Axle Control Unit ECU 8065118
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BMW E60 E61 525d M57N 177HP Engine Control Unit ECU DDE 7798422 Automatic
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Part no. 7600020-11
Mini One R56 N12 1.4 95HP Engine Control Unit Module ECU DME 7600020 Automatic
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Mercedes V251 Gateway Module Control Unit ECU A1645407901
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Mercedes W251 W211 Air Suspension Control Module Unit ECU A2515450316
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Mini Cooper F56 Wiring Driver's Loom Front Right O/S Door Cables 9338910
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Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
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Part no. 7595179-13
BMW E81 E87 LCI N43 116i 2.0 122HP Engine ECU Kit 7595179 DME CAS3 Key Manual
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Saab 9-3 1.9 Ttid Z19DTR Diesel Engine Alternator Generator 93169260
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Part no. A0131542102
Alternator Mercedes Vito W639 OM646 Engine Alternator Generator A0131542102
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BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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Part no. 8610680-1
BMW F10 F11 550i F12 F13 650i N63 408HP ECU Kit DDE 8610680 Key CAS4 Automatic
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BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key CAS4 Automatic
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Mercedes W176 A180 CDI 607.951 109HP Engine ECU Kit A6079002000 Key Lock Manual
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Part no. 23127JG71B
Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B
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Mini Cooper F54 F55 F56 F60 Radio CD Player Media Head Unit Alpine 9344044
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Part no. 5A4C367-1
Mini Cooper F54 F56 F60 JCW B48E 306HP Engine ECU Kit DME 5A4C367 BDC Key
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Part no. A6461500091-2
Mercedes W203 C220 CDI 646.963 150HP Engine ECU Kit A6461500091 + Key + Lock
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Part no. A6461500977-1
Mercedes Vito W639 646.980 Engine Unit ECU Kit A6461500977 Key Lock Automatic
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Part no. 9386604
BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
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Ford Transit Connect 1.6 TDCI Engine Control ECU Module Manual DV6112A650CEC
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Mercedes W202 W210 Engine Cooling Radiator Fan Control Unit Module
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CAS4 Module BMW F01 F10 F11 Key Reading Control Unit 9257036
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Part no. 8570845-1
Starter Motor Mini Cooper One F54 F55 F56 F57 F60 B37 B47 Engine 8570845
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Part no. 9187108-2
Autoradio CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional 9187108
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Part no. A1111531879-1
Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732
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Part no. 7540993
Alternator BMW X5 E53 Engine N62 Alternator Generator 14V 100/180A Valeo 7540993
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Part no. 7555178
Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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BMW E46 M43 Engine Wiring Loom Harness Ignition Module Cable 1437967
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Mercedes W177 Automatic Gearbox Wiring Loom Harness Cable A2517253714
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Module Mercedes C205 Front Door Right O/S Control Module Unit A2229001614
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM3R Basis Lear 9224616
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Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
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BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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Part no. CC1T-10300-CC
Alternator Ford Transit MK7 Diesel 2.2 Tdci Bosch CC1T-10300-CC
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Part no. 7806976-6
BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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Part no. 9313933
BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
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Mercedes S211 Rear Axle Self Levelling Device Cable A2115405332
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Part no. 8570238
BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 8570238
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Part no. 8695512
BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Part no. A2229006014
Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Part no. 9261703
Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Part no. 6952994
Air Module BMW E60 E63 Control Unit Centre Sensor ECU 6952994
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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Part no. A1718204126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Part no. 9315682
Body Control Module BMW F20 F21 F30 F31 F32 Comfort Unit FEM ECU LR01 9315682
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Part no. 9247386
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9247386
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Part no. 7579142-18
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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Part no. 9244261
Module BMW F10 Central Gateway Control Unit Module ZGW-01 High 9244261
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Part no. A2229063202
Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202
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Part no. A2059007218
Automatic Closing Motor Mercedes S205 Estate X253 Trunk Lid A2059007218
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Part no. 6807634
BMW X5 F15 F20 F30 SRS Air Module Bag Control Unit Module ECU 6807634
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Part no. 7638322-2
Mini One R56 LCI N16 98HP Engine ECU Kit DME 7638322 + CAS3 + Key Automatic
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Part no. 1439874
BMW E46 316i M43 Petrol Engine Wiring Harness Engine Module Wiring 1439874
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Part no. 93452999
Fuse Box Vauxhall Vivaro B Renault Trafic III Relay Control Unit Module 93452999
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Part no. A6519000603-1
Mercedes W205 C205 BlueTec OM651.921 Engine Control Unit ECU Kit A6519000603 Key
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Part no. A0009006706
Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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Part no. A2118707226
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
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Part no. 93867998
Vauxhall Vivaro B Radio Stereo Head Unit Mount Bracket Holder Support 93867998
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Part no. A2059008917
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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Part no. 8586544
BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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Part no. A2035450701
Mercedes W203 Fuse Box Rear SAM Module Relay Control Unit A2035450701
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Part no. 6963828
BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Part no. 93868139
Renault Trafic III Opel Vivaro B Air Module Control Unit ECU 93868139 985101902R
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Part no. A2118701026
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Part no. 8383149
BMW E46 Radio Business Cassette Player Audio Control Head Unit 8383149
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Part no. 7521116
Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116
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Display Screen Citroen Dispatch Dashboard On Board Dash Monitor 9809842880
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Mercedes SLK R171 Roadster Soft Top Folding Roof Control Module A1718204926
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BMW F20 F21 F30 F31 Driver Assist ACC Lane Change Switch Button Panel 9268478
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Mercedes Vito W639 SAM Module Electric Control Unit A6395450601
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Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000511
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Part no. 7521137-1
BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
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Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409
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Renault Scenic III 1.5 Dci Engine Alternator Generator 12V 120A 8200960533
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Part no. A6519009402-1
Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
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Part no. A1775404307
Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
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Part no. A2469009412-1
Radio Panel Mercedes W176 W242 W246 Radio Multimedia Switch Control A2469009412
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Part no. A2115455301
Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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Part no. 8634166
Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Part no. 9423397
AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Part no. A0009009209
Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209
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Part no. A2469009412
Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
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Part no. A2229000905
Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
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Module Mercedes W205 Fuel Pump Control Module In Trunk Rear ECU A0009003505
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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 .