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. 9452468
BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
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Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
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Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059000628
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BMW E60 E61 M-ASK M-Audio System Controller CD Player 9117532
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Mercedes W204 W207 Centre Console Connector AUX USB Port Socket Trim A2078210411
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Mercedes CLK C209 Keyless Go Module ECU Entry Door Control Unit A2098202526
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BMW E87 E90 116i 316i N45 116HP Petrol ECU Kit DME 7545046 CAS 2 + Key Manual
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Mini F56 Module Active Sound Design Audio Control Module Harman Becker 9363496
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Mercedes ML W163 Module SAM Electronics Control Unit A1635457032
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BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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BMW X5 E70 E90 LCI F20 Engine Wiring N55 Valvetronic Servomotor Cable 7592508
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BMW F32 F36 F80 F82 M4 LCI Headlight Indicator Light LED Module Left N/S 7493231
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Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C
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Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9068201589
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Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
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BMW 5 X5 Series E39 E53 Radio Business CD Player 6921960
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Audi A4 B8 Seat Exeo Servotronic Relay Control Unit 9 Pin 8E0907307F
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367
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Mercedes W166 Head Roof Curtain Right O/S Side Air Module A1668600602
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Mercedes Sprinter W906 OM651 Battery Wiring Harness Loom Cable A9065403815
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Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
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Adblue Module Mercedes W166 W212 R172 C218 C292 Control Unit ECU A0009003213
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BMW X1 Series E84 Battery Cable Wire Lead Positive 9207515 61129207515
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BMW E36 Relay Yellow 5 Pin 1389105
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Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
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Mercedes-Benz C E Class W202 W210 ESP Yaw Rotation Rate Sensor A0015404517
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2049009701
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Mercedes ML W164 Diesel OM629 Wiring Alternator Starter Harness A1644406532
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Audi RS4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064JJ
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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V 03G903016A
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Mini Cooper D R55 R56 LCI R60 N47N 1.6 112Hp Diesel ECU Kit DDE 8519663 CAS3 Key
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049004306
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BMW X3 E83 2.0d M47N2 Diesel Engine Control Unit ECU DDE 7796571 Manual
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Mini Cooper One D R50 W17 Alternator Generator 130A 7790879
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Automatic
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BMW 1 Series E81 LOW Light control footwell module ECU PL2 FRM II 9197154
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Battery Cable BMW X3 F25 X4 F26 Positive Plus Pole Lead 9321005
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BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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BMW 5 X5 Series E39 E53 Radio Business CD Player 6961218
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Mercedes W164 W212 Alarm Sensor Warning Buzzer Module Unit A1648220230
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BMW E81 E82 E87 LCI E90 Radio Business CD Player Unit 9210510
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Mercedes W205 Air System Control Unit Module ECU A2059001814
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Volkswagen New Beetle 1.6 BFS 102HP Engine ECU Kit 06A906033DP Ignition + 2 Keys
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BMW F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 6836764
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Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549B
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Negative Cable BMW X5 F15 X6 F16 Battery Boot Negative Lead Sensor 9380966
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BMW X3 E83 Light Lamp Switch Wiring Wire Cable Plug 3405795
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BMW F31 Touring Body Control Unit Module HKFM 7388490 0066245503 F005V01610
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9868386
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 8K0955559D
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BMW E60 E61 LCI 520d N47 Diesel Engine Control Unit ECU DDE 7812500 Manual
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BMW G20 Trunk Boot Lid Tailgate Pushbutton Lock System Trim Cover Panel 7405634
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Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630
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Audi Q7 4L Parking Control Unit ECU Module Sensor PDC 4F0919283H
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BMW 3 5 X3 Series E46 E60 E65 E83 5 M54 Petrol Engine Starter Motor 2354693
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BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9340337
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Part no. 8583423
Mini D R60 R61 ALL4 N47N 112HP Engine ECU Control Unit DDE 8583423 Manual
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BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.5-8 7843326
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Porsche Macan 95B Air Module Control Unit ECU 95B959655G
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Part no. 5Q0919294K
Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
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Part no. 8J0035223C
Audi TT 8J Audio Amplifier Premium Sound Booster Control Unit Bose 8J0035223C
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Part no. 09D927750KC
Audi Q7 4L 3.0 TDI CASA Automatic Gearbox Control Module Unit ECU 09D927750KC
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Part no. 7807828-1
BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox
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Part no. A2095451701-1
Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Part no. A2115459301
Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit A2115459301
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Part no. 9116260
BMW E60 Light Control Module Unit Lear LMF6X 9116260
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Audi A5 8T Alternator Generator Rack Mount Bracket 04L903141B
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BMW E60 LCI E90 330d 530d M57N2 235HP Engine Control ECU DDE 7806976 Automatic
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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Part no. 3456859
Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Part no. 9193745-1
BMW 3 5 E60 E61 E90 LCI 1 Display Screen 8.8" Monitor Sat Nav 9193745
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BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099
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BMW E60 E61 E90 E91 Xenon Adaptive Headlight Ballast Control Module
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Mercedes W202 W208 Anti Theft Alarm Module Control Unit ECU A2028207426
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BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Mercedes C216 W221 Display Screen Multifunction Navi Command A2218206389
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Opel Vivaro B 1.6 CDTI Alternator Generator 150A 95519888
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Volkswagen Sharan 7N Engine Starter Motor Lucas 02E911024CX
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Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
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Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835
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Head Unit BMW F20 F21 F32 F36 LCI Radio Media GPS Sat Navigation Unit 6809244
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Audi A3 8P VW Scirocco Mk3 Starter Motor Engine Valeo 1.4 TSI Petrol 02Z911024P
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Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Automatic
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Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
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BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6938310
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Audi A4 B7 2.0 TDI Negative Battery Terminal Earth Cable Lead 8E1971235L
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BMW 3 5 7 Series E30 E34 E36 E38 E46 Petrol Engine Starter Motor 2354709
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Part no. 9252816
BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Part no. A6121533279-1
Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121533279 Key Automatic
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Part no. 9160186
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9160186
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Part no. 9160190
BMW 3 Series E93 ECU Body Control Module H3 Junction Box PL2 JBBFE II 9160190
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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 .