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. 8639582
BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Automatic
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Audi A5 8T 2.0 TDI CNHA 190HP Engine Control Unit ECU 04L906021BG Automatic
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Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
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Mercedes ML W163 Comfort Control Module Central Electronics A1635457332
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Mercedes SLK R171 Rear SAM Control Unit Module Relay Fuse Box A1715450701
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BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
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Mercedes W204 W212 Windscreen Rain Sensor Control Unit A2049017801
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Audi Q7 4L Diesel Alternator Generator Engine Electrical Unit 059903018E
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BMW 6 Series E63 E63N LCI Antenna Amplifier Diversity 868 MHZ 9187682
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BMW 1 Series e87 ECU BODY CONTROL MODULE H2 61359131778 9131778
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BMW 1 3 Series E81 E87 E90 Hands-Free Electronics Charging Module MULF 9111718
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BMW 3 E91 ECU Body Control Module Junction Box M PL2RR JBBFE IIIR 9264577
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Dashboard Wiring BMW G30 G31 Front Centre Console Loom Harness 9366338
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BMW E81 E87 E90 E91 E92 CAS 3 Key Reading Module Control Unit ECU 9147196
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Part no. A1648703726
Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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Part no. 7304593
Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Part no. 6822602
BMW F20 F21 F30 F31 Head Unit Basic Media Navigation Headunit 6822602
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Part no. 6970894
BMW 7 Series E65 E66 E67 Sensor B-Pillar Airbag Right O/S 6970894
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Part no. A6511509000
Mercedes Sprinter W906 Diesel OM651 Engine Wiring Loom Harness A6511509000
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Part no. 7610011-3
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key 7610011 Manual
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Part no. A2098206126
Mercedes W209 Convertible Rain Light Sensor Windscreen Module A2098206126
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Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702
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Part no. 1K0971250
Skoda Octavia II Negative Battery Terminal Cable Wire Wiring 1K0971250
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Part no. 7790548
BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
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Part no. 9138444
BMW E87 E90 E91 Professional CCC Navigation System Controller
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Part no. A2118702889
Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Part no. 6801509
Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509
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Part no. 05L903026B
Audi Q2 GA 3.0 TDI DTTC Diesel Engine Alternator Generator 05L903026B
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Part no. A2035454901-1
Mercedes CL203 Fuse Box Control Unit Module SAM A2035454901
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Part no. A2711534691-3
Mercedes R171 SLK200 271.944 163HP Engine ECU Kit A2711534691 Key Lock Ignition
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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. 7823648
Engine Wiring BMW F10 F11 520d N47N Diesel Loom Harness Cable 7823648
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Part no. 7583225-16
BMW 1 3 Series E81 E87 E90 E91 120i 320i N43 ECU Kit DME CAS3 Key 7583225 Manual
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Part no. 7575665-1
BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7575665 CAS3 + Key
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Part no. 96665877ZD
Peugeot 3008 Head-Up Display Hud Project Dash Screen Control Unit 96665877ZD
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Part no. 6926795
BMW 7 Series E65 Battery Cable Plus Pole 6926795 61126926795
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Part no. 7600020
BMW Mini One R55 R56 N12 1.4 95HP ECU Kit DME CAS 3 Key 7600020
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Part no. 2H0959655B
VW Volkswagen Caddy Maxi Interior SRS Air Module Unit Control Sensor 2H0959655B
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Part no. A2118704726
Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
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Part no. 02M911024P
Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
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Part no. 5H0907383D
Audi Q2 GA Towing Hitch Trailer Hook Module Control Unit 5H0907383D
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Part no. 8519663-10
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual
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Part no. 9241002
BMW E87 LCI Light Module BASIS LCM Footwell Module PL2 FRM II 9241002
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Part no. 9352574
Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
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Part no. A2539003809
Mercedes W253 Display Screen Monitor Radio Sat Nav Navigation Unit A2539003809
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Part no. 8634166
Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Part no. 9203081-1
BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Part no. 02M911021S
Audi TT FV Starter Motor Engine Diesel 02M911021S
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Part no. A0065427018
Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Part no. 05L907309B-1
Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key
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Part no. 6959114
BMW E65 Navigation GPS DVD System Computer Unit 6959114
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Part no. A6519060026-2
Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Starter A6519060026
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Part no. A1695451940-1
Fuse Box Mercedes W169 W245 Electrical Relay Control Module Unit A1695451740
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Part no. 95710-1h700
Screen Kia Ceed MK1 ED Dashboard Information Dsiplay 95710-1H700
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Part no. A1698202675
Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Part no. 04E971612BD
Audi A1 8X 1.4 TFSI CZCA Engine Wiring Harness Loom Manual Gearbox 04E971612BD
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Part no. A6429000401-1
Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401
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Part no. A2479009412
Bluetooth Module Mercedes W247 W447 Multimedia Control Unit ECU A2479009412
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Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
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Part no. 9134281
BMW X5 E70 Aerial Antenna Amplifier Diversity 9193847 9134281
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Part no. A6395450191
Mercedes Vito W639 Positive Battery Terminal Cover Cap Trim Red A6395450191
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Part no. A1648209585
Mercedes ML W164 Air Module System Control Unit A1648209585
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Part no. 3457403
BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
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Part no. 9646679980
Peugeot 207 1.6 HDI Diesel Engine Starter Motor Engine Unit 9646679980
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Part no. A1635402810
Mercedes-Benz M ML W163 OM612 Engine Wiring Harness Loom Cable A1635402810
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Part no. A2208203685
Mercedes W220 Headlight Head Lamp Control Module Unit A2208203685
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Part no. 6G9Q10K019AA
Land Rover Freelander 2 L359 2.2 Alternator Support Bracket Mount 9661310080
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Part no. A4475407880
Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
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Part no. A2128702951-1
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Part no. 6983843
BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
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Part no. A0009068802-1
Mercedes Sprinter W906 Alternator Generator Diesel 180A 14V A0009068802
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Part no. A2229009519
Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
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Part no. 9246187
BMW E93 Audio Radio Sound Amplifier Unit HIFI System Lear 9246187
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Part no. 7809000-3
BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
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Part no. A0009008129-1
PDC Module Mercedes W177 Parktronic Parking Assist Control Module A0009008129
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Part no. A6511400800-1
Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300
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Part no. 6943287-1
BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943287
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Part no. A0035423918
Yaw Sensor Mercedes W203 W209 ESP Rotation Rate Control Unit Module A0035423918
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Part no. A1645404601
Mercedes ML W164 Control Unit Module Fuse Box SAM A1645404601
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Part no. 022911024A
VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A
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Part no. A1695455332
Mercedes W169 PDC Parking Sensor Distance Control Module Unit ECU A1695455332
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Part no. 02A911023L
VW Volkswagen New Beetle 1.6 BFS Petrol Starter Generator Motor 02A911023L
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Part no. 9159812
BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM3R Lear 9159812
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Part no. 1387751
BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
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Part no. 1T0971693BM
Volkswagen VW Touran Door Harness Loom Cable Wiring Rear Left Right 1T0971693BM
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Part no. A2469003818
Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469003818
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Part no. A1635422318
Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Part no. A1695407705
Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Front Left N/S
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Part no. 6754289
Speed Sensor BMW Z3 E36 3 E46 DSC Yaw Rotational Speed Sensor 6754289
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Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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Part no. 6967184
BMW X5 X6 Series E70 E71 Positive Battery Cable Terminal Box Base B+ 6967184
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Part no. 6970680
IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6970680
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Part no. 7171587
Mini R60 Xenon Headlight Adaptive Ballast Control Unit 7171587
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Part no. 03G906016JD
Audi A4 B7 2.0 TDI Diesel Engine Control Unit ECU Module Manual 03G906016JD
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Part no. 7787925
Range Rover L322 3.0 Starter Motor Diesel Engine Denso 7787925
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Part no. 3C0906093C
Audi TT Mk2 8J Petrol Engine Fuel Pump Control Unit Module 3C0906093C
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Part no. 9207074
BMW X3 E83 Telematics Bluetooth Control Unit Module Computer 9207074
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Part no. 9229240
Radio Business BMW E81 E87 E90 LCI CD Player 9229240
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Part no. 7520321
Engine Wiring Loom Mini R50 Petrol W10 Module Harness Cables 7520321
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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 .