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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Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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BMW E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Manual
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BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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BMW F20 F30 LCI 120d 320d ed B47 163HP Engine ECU Unit DDE 8591073 Manual
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BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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BMW E60 E90 E91 LCI 330i 530i N53 272HP ECU Kit DME 7616431 CAS3 + Key Automatic
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BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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BMW X5 X6 Series E70 E71 Navigation System Car Computer CIC 9222855
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9197127 9205279
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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On Board Navigation BMW E60 E61 E90 E91 Display Monitor Screen 6,5" 6962424
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9231321
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BMW F22 F30 F32 220i 320i 420i Petrol N20 184HP ECU Kit DME 8631725 + Key + FEM
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BMW F20 F30 116i 316i N13 Engine ECU KIT DME 8603352 + FEM + Key Manual
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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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BMW E60 E61 E90 E91 330d 530d M57N2 Engine DDE Control Unit 7799856 Automatic
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BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual
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BMW F20 F21 F30 Ultrasonic Parking Sensor PDC Front Havanna Metallic - A17
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BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Automatic
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BMW 1 Series E87 ECU Body Control Module H2 Junction Box PL2 JBBFE II 9187539
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BMW F25 F26 Head Unit Basis Media Navigation System Controller DAB 6821164
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BMW F01 F07 F10 F11 F12 F25 CAS4 Module Control Unit Key Reading 6809374
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BMW X3 Series E83 Wiring Passenger Side Loom Front Door Cables 3427751
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BMW E84 ECU Body Control Module Junction Box PL2RR JBBFE IIIR 9267421
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Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264
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BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit
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Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 ECU 9267515
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BMW 4 Series F32 F82 F83 M4 KaFAS Camera Assist Speed Limit Control 9384686
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BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 9112631
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BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7444684
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Airbag Module BMW F10 F12 F13 X3 F25 ECU Control Unit Air Bag 6837358
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Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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BMW F20 F21 F22 F30 F31 F32 Mini F55 F56 F57 Head Unit Basic Media DAB 8794297
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BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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BMW E88 E93 Convertible Rollover Bar Protection System Sensor Unit Module 800137
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BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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BMW 1 Series E88 ECU Body Control Module H3 Junction Box PL2RR 9247474
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Part no. 7794626
BMW X5 E53 3.0d M57N 218HP ECU Engine Control Unit DDE 7794626 Automatic
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Part no. 1393415-3
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. 1393415-1
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. 1378238-3
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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Part no. 1378238-2
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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Part no. 1742690-3
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Part no. 1742690-2
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Part no. 8506374-4
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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Part no. 8586536
BMW F10 F30 F32 LCI 335dX 435dX 535dX N57Z 313HP Control Unit ECU DME 8586536
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Part no. 9387265
Control Unit BMW F20 F21 F22 F30 F31 F32 F36 Module FEM ECU LR01 9387265
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Part no. 7561684-7
BMW Z4 E85 2.5si N52 218HP Engine ECU Control Unit DME 7561684 Manual
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Part no. 8580307-2
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8580307 CAS3 Key Automatic
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Part no. 9259425-1
Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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Part no. 7801173-1
BMW X5 X6 E70 E71 M57N2 Alternator Generator 180A VALEO 7801173
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Part no. 8512291-2
BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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Part no. 9335347-1
Radio Player BMW F20 F21 F30 F31 CD DAB Head Unit Audio Player 9335347
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Part no. 9226365
BMW F10 F11 Head Unit Basis Media Navigation System Controller Headunit 9226365
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Part no. 9280616
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9280616
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Part no. 9246503
Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503
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Part no. 9340339-2
BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 9340339
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Part no. 7812500-3
BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7812500 + CAS3 + Key
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE 7805287 Automatic
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Part no. 9134707
BMW X5 E60 E61 E63 E64 E70 Control Unit Module Passive Go 9134707
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Part no. 7552176-7
BMW Z4 E85 2.0i N46 150HP ECU Engine Control Kit DME 7552176 CAS2 Key Manual
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Part no. 9227184
BMW 1 Series E87 LCI ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9227184
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BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
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BMW F10 Footwell Light Control Module ECU Unit FRM3 TEMIC 9250455
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BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Kit DDE 8510221 CAS3 Key Manual
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BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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BMW F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596
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BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9229880
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Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation Business GPS 6840399
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9170454
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Antenna Amplifier BMW F01 F10 F13 Aeral Diversity 868 MHZ Control Unit 9267085
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Fuel Pump Module BMW F20 F21 F30 F31 N13 Petrol Control Unit 7447895
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BMW E63 E64 Rain Light Sensor Control Unit Module HUD 6980020
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Part no. 9264625
Seat Wiring BMW F20 F30 F31 F34 Passenger's Side Cable Loom Harness 9264625
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BMW 3 Series F30 F80 M3 Boot Trunk Lid Tailgate Wiring Loom Harness Cable Set
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BMW 5 X3 Series E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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BMW E46 Coupe Convertible Door Wiring Passenger Side Cable Harness Loom 6903096
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Part no. 7532140-4
BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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BMW X3 X5 E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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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 .