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. 9110846
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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Opel Zafira Insignia 2.0 A20dth Cdti Glow Plug Wiring Loom Harness 55567591
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Door Module Mercedes Vito W447 Rear Right O/S Door Control Unit A4479000101
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Mercedes W176 W246 Radio COMAND Nav CD Player Control Head Unit A2469003519
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069003502
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Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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Audi A4 B8 B9 A6 C8 Engine Starter Motor Denso 2.0 TFSI Petrol 06Q911024
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Blind Spot Sensor BMW F40 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 7915643
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Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B
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Amplifier Bracket BMW X1 F48 F46 Control Unit Module Holder Mount 6831329
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Mini Cooper R56 Footwell Light Control Unit Module LOW ECU PL3 FRM II 3452093
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BMW F30 LCI G11 G30 High Voltage Battery Charging Unit Module 6819838
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Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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Fuse Box BMW E90 E91 E92 Front Power Distribution 9119447
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Fuel Pump Module BMW F20 F21 F30 F31 N13 Petrol Control Unit 7447895
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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
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Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532
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Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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BMW 3 Series E46 Valvetronic Valve VVT Control Unit Module ECU 7516809
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Mercedes W176 Front Crash Impact Airbag Sensor Pressure Sensor Unit A1769051000
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BMW E90 E91 E92 Professional CCC Navigation System Controller 9159041
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Light Module BMW F10 LCI Control Footwell Lightning ECU Unit FRM3 9313930
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Headlight Ballast Control BMW F06 F12 F13 F15 F16 LED Adaptive Module 7316210
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Airbag Module Mercedes w176 Air Bag SRS Control Unit ECU A1179008600
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Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
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Part no. 95B959655G
Porsche Macan 95B Air Module Control Unit ECU 95B959655G
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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BMW E60 E61 E63 E64 Body Gateway Module KGM LOW
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Headlight Module BMW F36 Headlamp Control Unit FLE2 MAX 7429125
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Mini Cooper One 1 R55 R56 R58 N12 Petrol Engine Starter Motor NAPA NSM1093
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BMW X3 E83 LCI 2.0d N47 Engine ECU Kit DDE 7809999 + EWS IV + Key Automatic
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Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202
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Audi A4 B7 Bluetooth Module Interface Control Unit Hands Free 8P0862335D
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Part no. 7L0909606C
Volkswagen Touareg 7L Front Impact Crash Sensor Right Left N/O/S 7L0909606C
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Part no. 6939712
BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6939712
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Mercedes-Benz C E Class W204 W207 Aerial Antenna Amplifier Unit A2048200089
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Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334
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Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506
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Mercedes W203 W209 Fuse Box Rear SAM Module Relay Control Unit A2035453801
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Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B
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Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
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Mercedes W221 S500 Audio Amplifier Sound System Control Module A2218205289
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Audi A8 4E S8 D3 Comfort Module Electric Steering Column Unit 4E0907279S
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Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual
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Part no. 6822625
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 6822625
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BMW 7 Series E65 E66 E67 Telephone Navigation Adapter 6938360
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Audi Q3 8U Rear Bumper PDC Parking Sensor Wiring Harness Loom Cable 8U0971104E
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Mercedes W203 W221 Wind Screen Wind Shield Rain Sensor Unit A2218708826
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Battery Junction Block Mercedes W176 W246 Battery Plus Pole Terminal A2469068601
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Mercedes W205 Control Unit Power Distribution Box Electrical A0009060086
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Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 5-8 Loom Valve Ignition 7856775
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Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
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BMW F30 F32 LCI 335dX 435dX N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
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Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
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BMW F30 F31 F32 Control Unit Module Active Sound Design 6820696
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Radio Boost Mini R50 R53 Dolby Cassette Tape Player Control Unit Module 6918529
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Mini Cooper D F55 F56 B37 Engine Injector Wiring Harness Cable Loom 8518411
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BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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Part no. 281006430084
Toyota RAV4 Diesel Starter Motor Engine Actuator DENSO 28100-64300-84
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Part no. A2139004409
Mercedes W213 Door Module Front Right O/S Control Unit A2139004409
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Part no. 8200621305A
Renault Trafic II Opel Vivaro B 2.0 DCI Diesel Engine Starter Motor 8200621305A
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Part no. 9119493
BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493
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Part no. 2522564
Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585
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Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
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Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
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Part no. 1406067
Alternator Ford Transit MK2 Sierra Scorpio 2.0 Engine Generator 1406067
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Part no. 8581370-2
BMW F40 MINI F56 F57 F60 Control Unit Box Cover Trim Bracket 8581370
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Part no. 8577839
BMW X3 F25 30dX Diesel N57N 258HP Engine Module ECU DDE 8577839 Automatic
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Mini Cooper S R53 Petrol W11 Engine Control Unit ECU DME Manual 7527610
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Part no. A1779006604
Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779006604
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BMW F10 F20 F30 Petrol N20 Wiring Harness Motor Sensor System 2 Module
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Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289
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Mini Cooper R57 Cabrio Convertible Wiring Loom Harness Rear Trunk Lid 9144846
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BMW 1 3 5 Series E87 LCI E90 E60 Hands Free Bluetooth Module High MULF2 9178898
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BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950
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Seat Wiring BMW X3 F25 X4 F26 Driver's Side Loom Cable 9316654
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BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CY
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Mercedes C140 Body Control Comfort Unit Module BCM Unit ECU A0185458332
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Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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BMW 3 Series E90 E91 E92 AUX USB Lead Cable Wire 61129202724 9202724
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Audi Q2 GA NAV Multimedia Navigation Display Screen MMI 8,25" 81A919605B
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Starter Renault Trafic II Opel Vivaro A 2.0 dCi Starter Motor Remy 233002654R
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Radio CD Player Audi A4 B9 A5 F5 Q5 FY Stereo Sat Nav Head Unit 8W5035035B
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Part no. A2038201585-1
Mercedes W203 Door Module Control Unit Front Left N/S A2038201585
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Part no. 5A25FC9
BMW G30 Fuel Pump Module Control Unit ECU 5A25FC9
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Part no. 4G0035192H
Audi A6 C7 Multimedia Radio CD Player Head Unit 4G0035192H
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Part no. 4E0907282A
VW Volkswagen Audi Glow Plug Relay Unit Bosch 11 Pins 4E0907282A 0281003029
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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 .