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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BMW Z4 E89 2.3i 3.0i N52N Petrol Engine Wiring Loom Harness Cable 7598076
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Airbag Module BMW G20 G21 SRS Control Unit Module ECU 9476858
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BMW F07 F10 F11 F12 Diesel N57 Engine Wiring Injection Wiring Harness 8583575
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BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
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BMW 1 Series E87 Footwell Light Control Module Unit PL2 FRMFA Lear 6987997
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BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804
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BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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BMW F20 F22 F30 Rear Electronic Module REM Fuse Box Control Unit V5 ECU 6809053
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BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921
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BMW 1 3 X1 X3 E83 E84 E87 E90 E91 N45 N46 Petrol Enigne Starter Motor 1,1 kW
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BMW E39 Alternator Generator 14V 50/90A 1432978
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Radio Professional BMW E81 E82 E87 E88 E90 E91 E92 E93 Autoradio CD 9231928
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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BMW E60 M57 Engine Starter Motor 7794952 0001115041
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9189200
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BMW X5 E53 3.0i Petrol M54 231HP Engine ECU Kit DME 7519308 EWS3 Key Automatic
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BMW E81 E87 LCI Board Monitor Central Information Display 6,5" 9193753
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BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Kit DDE 8510592 CAS3 Key Manual
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BMW 1 3 Series E81 E87 LCI E88 E90 M3 E92 Speed Cluster Sensor 6780334
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BMW E81 E82 E87 E88 E90 E91 Radio Professional CD Player 9242502
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BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
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BMW 3 X1 Series E91 LCI E84 Switch Cluster Cruise Control Stalk Unit 6989588
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
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BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114
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BMW E81 E87 E90 LCI Professional Navigation System Car Computer CIC 9198826
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BMW E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual
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BMW X1 E84 18dX Diesel N47N 143HP Engine Control Unit ECU DDE 8519005 Manual
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BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9216459
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BMW 3 Series E90 Footwell Light Control Module AHL PL2 FRMII 61359166709 9166709
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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Headlights Control Module BMW E81 E82 E87 Adaptive Xenon Unit ALC 7171789
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BMW X1 F30 F31 LCI Starter Motor Engine 8612576
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BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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BMW E90 E92 335i Petrol N54 306HP ECU Engine Unit Module DME 7586933 Automatic
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B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9274021
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BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
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Part no. 8589145
BMW F20 F21 F30 LCI 118d 318d B47 DDE Engine Control Unit ECU 8589145 Automatic
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Part no. 6978272
BMW 1 3 Series E87 E90 Power Distribution Fuse Box Front 6906611
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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Part no. 7809000-5
BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 CAS3 + Key Automatic
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BMW F10 F11 F12 540i 640i N55 315HP Engine Control ECU DME Kit 7629420 Automatic
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BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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BMW X5 E70 CAS3 Key Reading Module Unit Control ECU 9278746
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Part no. 8512047-1
BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE + CAS3 + Key 8512047 Manual
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Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9159034
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7304626
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BMW F20 F21 LCI F30 150HP 118d 318d B47 Engine Unit ECU DDE Set 8587952 Manual
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Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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BMW X5 Series E53 PDC Parking Control Module Unit PDC 4104215
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Part no. 9119496
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
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BMW 3 5 X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182 DAMAGE
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Part no. 9285930
BMW F01 LCI Facelift Footwell Module Unit LED TEMIC FRM III 9285930
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Part no. 6969418
BMW 5 Series E60 E61 Centre Console Switch DTC PDC 6969418
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Part no. 7412610
BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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Part no. 9364819
BMW 3 E93 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9364819
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Part no. 8378766
Door Module BMW E39 Passenger Door Control Module Hella 8378766 6904242
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Part no. 9316663
Seat Wiring BMW X3 F25 X4 F26 Cable Loom Harness Passenger's Side 9316662
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Part no. 6927313
Seat Module BMW E60 E61 E65 E66 Front Control Unit ECU 6927313
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Part no. 9372743
Central Gateway BMW F01 F06 F10 LCI Module ECU Control Unit 9372743
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Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166
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BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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Engine Wiring BMW X3 G01 X4 G02 B57 Diesel Module 2 Loom Harness 8588681
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BMW E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
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BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
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BMW E88 E90 E91 E92 LCI F20 F21 F30 Ignition Wiring N55 Engine Harness 7592511
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BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286238
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BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key CAS4 Automatic
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BMW E60 E61 Professional Navigation System CIC Sat Nav Controller 9222874
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Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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BMW 3 Series E36 Cable Harness Door Rear Right O/S Wiring Loom 8379056
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Engine Wiring BMW F10 F20 F30 N20 125i 328i 528i N20 Harness Module 7641659
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9156230 DAMAGE
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Boardmonitor BMW X3 E83 Central Information Display Screen 6,5" 3420851
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BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
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Tailgate Module BMW F01 F10 Rear Boot Trunk Lid Control Unit ECU 7327886
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BMW F30 F31 F32 Control Unit Module Active Sound Design 6820696
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Part no. 7801710-2
BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Part no. 7799854-1
BMW 1 3 Series E87 E90 M47N2 118d 318d 122HP ECU KIT DDE + CAS2 + Key 7799854
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BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
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iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800
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BMW 1 2 3 Series F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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BMW E90 LCI 330d N57 245HP ECU Engine Control Unit DME Automatic Gearbox
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BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
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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 .