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. 03L903023
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
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Volkswagen Sharan 7N Sliding Door Catch Upper Locking Plate Right O/S 7N0843638
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Audi A1 8X Negative Battery Terminal 8K0915181L
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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VW Volkswagen Polo 6R Air Module Bag Control Unit 6R0959655K
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BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9159022
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Mercedes Sprinter W906 Air SRS Bag Control Module Unit 0285010033 A9064460742
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Mercedes W211 W219 Navigation Reader DVD CD Player Control Unit A2118705226
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BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
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BMW E81 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797
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Audi A1 8X Air Module Sensor Control Unit Module 8X0959655A
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Mercedes W176 W205 W212 Voltage Converter Power Distributor Plug A0009820412
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BMW Z4 Series E85 E86 Aerial Antenna Amplifier Module Rod
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BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646
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Part no. A6519005301
£Mercedes W212 E220CDI OM651 Diesel Engine Control Unit Module ECU A6519005301
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Part no. A2129007104
Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9258164
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Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A2095420018
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BMW F20 F21 F30 116d 120d 316d 320d N47N Wiring Harness Engine Module 8586141
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Pedestrian Protection Sensor BMW F10 F11 Front Bumper Crash Impact Unit 9261962
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Audi Q3 8U PDC Assistance Parking Distance Control Module Unit ECU 8X0919475N
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Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450
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Part no. 6906621
BMW E87 E90 E91 E92 E93 Power Distribution Fuse Box Front 6906621
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Part no. 06F903023J
Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
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Part no. A1645403472
Mercedes W164 Fuse Box Relay Module Unit A1645403472
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Part no. 7615981
BMW Mini Cooper R56 LCI R60 R61 Petrol N16 DME Engine Control Unit ECU 7615981
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BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Part no. 6R0971235C
VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6C0971235A
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Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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Part no. A1765405905
Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
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Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100
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Part no. 0-390-201-999
BMW 5 Series E60 E61 Front Seat Backrest Adjustment Bosh 0 390 201 999
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Part no. 7809794-1
Mini Cooper D R55 R56 Diesel W16 1.6 109HP ECU Kit DDE 7809794 CAS3 + Key Manual
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Part no. 9127086
BMW E39 E46 E53 E83 Control Unit EWS IV 9127086
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Part no. 8519663-3
Mini Cooper D R55 R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 CAS 3 Key
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Part no. 8591073
BMW F20 F30 LCI 120d 320d ed B47 163HP Engine ECU Unit DDE 8591073 Manual
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Part no. P0148459-PS
Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Pure Silver - 900
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Part no. 9659285480
Peugeot 207 1.4 HDI Fuse Box BSI Control Unit Module ECU 9659285480
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Part no. 504121602
Iveco Daily 2.3 Diesel Engine F1AE0481 Unit Module ECU Manual 504121602
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BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
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Citroen Dispatch Jumpy III 9HM DV6UC 1.6 Diesel Engine Module ECU 9807885980
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Part no. 6863389
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863389
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Part no. 03G906018DN-2
Audi A3 8P 2.0 TDI 170HP BMN Engine Control Unit ECU 03G906018DN Automatic
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Part no. 3455528
Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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BMW E90 E91 E92 Professional CCC Navigation System Controller 9170721
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Part no. 6936653
BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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Part no. 8P0862335H
Audi A4 B7 Bluetooth Interface Phone Conectivity Control Module 8P0862335H
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Part no. A0001501780
Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780
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Part no. 3457429
Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Part no. 8680374-1
BMW F45 Alternator Generator 14V 180A DENSO 8680374
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Part no. A2469002718-1
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718
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Part no. 2622598
BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
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Part no. 9803844
Mini Cooper Countryman R60 R61 Aerial Roof Antenna Base Module 9803844
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Part no. 9251975-1
Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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Part no. 3452092
Mini Cooper One R56 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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Audi A5 8T CD Player Radio Multimedia MMI Head Unit ECU 8T2035666D
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Part no. 03P971612
VW Volkswagen Polo 5 1.2 TDI Engine Wiring Harness Loom Cable 03P971612
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Part no. 6969268
Electronics Charging Module BMW E81 E87 E90 Hands Free Charging MULF 6969268
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Part no. 9128570
PDC Loom Cables BMW E81 E87N LCI Front Bumper Wiring Set 9128570
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Part no. 9110887
BMW E90 E92 E93 Switch Cluster Steering Column Cruise Control 9110887
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Part no. 6937223
BMW E60 E61 E65 X5 E70 X6 E71 Control Unit Xenon Light 5DV 009 000-00
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Part no. 4N0959651D
Audi Q5 FY Crash Impact Sensor Unit Module Left Right N/O/S 4N0959651D
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Part no. 8631727-3
BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
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Part no. 7199819
Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819
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Part no. A0075451432
ECU Mercedes W124 E280 M103.940 Engine Control Unit Automatic Jetronic
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Part no. A2539052100
Mercedes GLC C253 X253 Pedestrian Protection Pressure Crash Sensor A2539052100
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Part no. 9281723
BMW Z4 Series E89 Roadster Cabrio Convertible Top Module CTM 09281723 9281723
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Part no. 8W0907064EB
Audi A4 B9 2.0 TFSI DEMA BCM Body Control Module Unit ECU 8W0907064EB
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Part no. 4F0051510Q
Audi A5 8T A6 C7 USB Adapter Port Socket Connector Cable Wiring 4F0051510Q
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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. 6913080
BMW E46 Passenger Front Door Wiring Loom Cable Harness 6913078 6913080
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Citroen Berlingo Peugeot Partner CD Player MP3 Radio Stereo Head Unit 9666968177
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Gearbox Module Mercedes W177 W205 W213 Control Unit ECU Automatic A2139003217
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Part no. 6933867
BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
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Part no. 9150961
Navigation System BMW E90 E91 E92 Professional CCC Sat Nav Controller 9150961
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Part no. 6862244
BMW Z4 E89 Roadster Control Unit EMF Rear Wheel Brake Module 6794260
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Part no. 3456089-1
Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna Rod Unit 3456089
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Part no. 3456588-1
Mini R57 LCI Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456588
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Part no. 9145102-1
Dashboard Screen BMW E60 E90 Dash Onboard Monitor Display 8.8" CCC 9145102
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Part no. 9273628
BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
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Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802
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Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401
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Mini Cooper SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Part no. A0009067902
Mercedes W204 S204 C204 Alternator Generator 150A 14V 1.8 Petrol A0009067902
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Part no. 3456851
Mini Cooper R56 LCI High SPEG Fuse Distribution Box 3456851
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Part no. A6519007600-4
Mercedes W176 A200 CDI BE OM651.901 Engine ECU Kit A6519007600 Key + Lock
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Part no. A2661540902
Alternator Generator Mercedes W169 W245 Engine 115A 14V A2661540902
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Part no. A1698204085
Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085
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Part no. A9069003502
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069003502
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Part no. 04L907309B-1
Audi A3 8V 1.6 TDI CLHA 105HP Engine Unit ECU Kit 04L907309B Key Ignition
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Part no. 9289118
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional DAB Unit 9289118
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Part no. 9243212
BMW F10 Light Module Control Unit ECU Lear ZGW-02 Mid Plus 9243212
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Part no. 5N0971228F
Audi Q3 8U Battery Positive Terminal Cable Plus Pole Wiring Harness 5N0971228F
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Part no. 5WA907530Q
Audi A3 RS3 8Y Gateway Control Unit Module ECU GW2020 High 5WA907530Q
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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 .