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 F20 M135i N55 326HP Engine Control Unit ECU DME 8626762 Automatic
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Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
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Renault Trafic F83 M9R 2.0 DCI Engine Control Unit Module ECU 8200935115 Manual
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Hands Free BMW E81 E87 LCI E90 Electronics Charging MULF2 9207361
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BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283
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Mercedes ML W163 SRS Control Module Sensor Unit Temic A1635422218
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Audi Q3 8U 2.0 TDI 140HP CFFB Quattro Engine Control Unit ECU 03L906018CN Manual
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Module Mercedes W177 W247 Instrument Cluster Control Module A2479001608
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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479005807
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Battery Cable BMW F45 Mini F54 F56 B48 Alternator Starter Wiring 8602973
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Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661
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Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880
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Audi TT 8J Driver's Side Door Wiring Harness Loom 8J0971029AD
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BMW 5 6 7 Series E60 E61 E65 N62N Petrol Alternator Generator 180A 7542934
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Audi Q7 4L Body Comfort Control BCM Onboard Supply Module Unit ECU 4L0910553L
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BMW F06 Electric Wiring Cable Loom Harness 9269983
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Audi A1 8X Air Module Sensor Control Unit Module 8X0959655A
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Mini Cooper R55 R56 R57 1 CCC Navigation Navi Sat Nav Head Unit 9138452
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Mercedes W203 C220CDI OM611.692 116HP Engine Unit ECU Kit A6111537779 Key Lock
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BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882
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VW Polo 9N Seat Body Control Comfort Unit Module BCM Convenience Unit 6Q1937049B
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530AA
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Audi A1 8X PDC Assistance Parking Distance Control Module Unit ECU 8X0919475AE
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Audi A7 S7 4G 4.0 TFSI Petrol Engine Alternator Generator 079903015P
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BMW 1 Series 1 E87 6-disc CD Changer Without Magazine 6958198
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Gearbox Wiring BMW F10 F11 520i 528i N20 Automatic Engine Loom Harness 7634063
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Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Part no. 7802928
BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
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Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673
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Part no. 3456051-3
BMW Mini Clubman R55 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Renault Master III Opel Movano B 2.3 DCI CDTI Alternator Generator 231001822R
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Audi A3 8V Bang Olufsen Audio AMP Amplifier Module Control Unit ECU 81A035466B
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BMW Z4 Series E89 Roadster Cabrio Convertible Top Module CTM 09281723 9281723
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Audi A5 8T A6 C7 USB Adapter Port Socket Connector Cable Wiring 4F0051510Q
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Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522
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BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear
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Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401
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BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
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BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
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Audi A6 A8 Q7 CAN Bus Jumper Contact Bridge Connector 4E0941817
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 9176953
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Audi A6 C6 6-disc Compact CD Changer 4E0035111A
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Dashboard Monitor BMW E60 E63 E90 E91 LCI Dash Display Screen 6,5" 9193758
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
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BMW X5 X6 Series E70 E71 TV Video Module Control Unit ECU 9146615
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Part no. 7543083
BMW 1 3 5 Series E60 E61 E87 E90 E91 N52 Alternator Generator 155A 7543083
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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Mercedes W204 C180 156HP Kompressor M271.952 Engine ECU Kit A2711502779 Key
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Mini Cooper D R55 R56 Diesel W16 109HP ECU Kit DDE 7823934 CAS3 Key Automatic
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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 C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440
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BDC Module BMW X5 F15 Body Domain Controller BDC Unit 9355750
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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BMW X5 E53 3.0i Petrol M54 Alternator Valeo 140A 7551252
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Mercedes C CLK Class W203 W209 Antenna Amplifier Radio Left N/S A2038200189
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Part no. 7613226-2
Mini Cooper S R56 LCI N18 184HP ECU Kit Control DME 7613226 CAS3 Key Automatic
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Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
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BMW E60 E65 Petrol 530i 730i M54 Engine Control Unit DME 7527072 Automatic
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Mini Cooper F55 F56 F57 LED Navigation Visual Boost 6,5" Display Screen
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Part no. 7790879-1
Mini Cooper One D R50 W17 Alternator Generator 130A 7790879
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Part no. 8573260
BMW F20 F21 114d 116d Diesel N47N Engine Control Unit DDE 8573260 Manual
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Part no. A1649004600
Mercedes ML W164 W251 SAM Module Control Unit ECU A1649004600
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BMW X1 E84 Radio Navigation Head Unit Android CarPlay Display 10.25 XRC8667
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Part no. 9147184
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147184
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Part no. 8506666-4
Mini One R56 LCI R60 90HP Diesel N47N Engine ECU Kit DDE 8506666 + CAS3 + Key
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Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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BMW Mini Cooper One R50 R53 Radio Wave Stereo Cassette Tape Player 6909665
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Mercedes ML W164 Control Unit Module Fuse Box SAM A1645404601
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Part no. 8645325
Alternator BMW F20 F21 F30 F31 LCI F32 F33 F34 Petrol Engine Unit 180A 8645325
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Part no. 9172018
BMW E60 E61 E63 E85 Air Module Control Unit Module ECU ACSM 9172018
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Part no. 9186211
BMW X5 E70 M Audio Professional Radio CD Player Navigation Head Unit 9186211
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Mercedes W177 Relay 052 Fuse Box Relay Slot B D E 70A Tyco SET X2 A0035421619
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Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426
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BMW 1 Series E87 LCI Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9156230 DAMAGE
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BMW 1 3 Series E81 E87 E90 E91 Cigarette Lighter Socket with LED 9175932
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BMW F20 F30 116i 316i N13 Engine ECU KIT DME 8603352 + FEM + Key Manual
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BMW F30 Fuse Box Relay Control Unit Module 9314235
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Mini F55 F56 F57 Central Cover Information Instrument Radio 9367672
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High Voltage Inverter BMW i3 I01 Hybrid 60Ah Rex Electrical Machine Electronics
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Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987
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BMW E60 E61 LCI N47 520d 177HP Engine Control ECU DDE Kit 7812500 Automatic
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Part no. 9258350-1
Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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Audi RS6 C7 Acceleration Yaw Rate Sensor Module Control Unit ECU 4G0907637L
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Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
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Starter Motor Mercedes C118 W177 C247 Petrol OM282 Starter Motor A2829062000
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Part no. 6983843
BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
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BMW 5 Series E60 E61 CCC CD Professional Navigation Controller 6951856
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Part no. 7571510-2
BMW Z4 E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Part no. 9505275
BMW F40 F45 X1 F48 Mini F55 F56 Control Unit SAS Module ECU 9505275
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Part no. 8603352
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Manual
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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 .