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. 7214939
LED Headlight Ballast Module Daytime Running Left N/S Lights Unit 7214939
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Mercedes W164 ML350 CDI OM642.820 231HP Engine Control Unit ECU A6429002900
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Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129060005
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BMW F10 F30 320d 520d ed 163HP Engine Control Unit N47N ECU DDE 8518477 Manual
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Reversing Camera Module BMW X1 E84 Rear View Camera Control Unit ECU 9277949
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Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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BMW F20 LCI 118i F30 LCI 318i B38 136HP Engine ECU Unit DME 8662411 Automatic
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Volkswagen Golf Mk5 Alarm Signal Sound Impact Body Control Module Unit 5K0907159
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Audi Q7 4L Alternator Generator Engine 3.0 TDI Diesel 059903016P
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Control Unit Bracket BMW G30 G31 Surround View Camera Module Holder 9352755
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BMW 5 X3 Series 1 E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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Mercedes W212 E250CDI 204HP OM651.924 Engine ECU Kit Key A6519005301 Automatic
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BMW E90 E91 LCI 325i N53 218HP Engine ECU Kit DME 7592080 CAS3 Key Automatic
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BMW E39 E46 E85 Automatic Gearbox Basic Control Unit Module EGS 7514265
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Part no. 8378090
BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2045403750
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Part no. 5Q0937084AC
Skoda Octavia 5E Audi A3 8V Body Control Comfort Module BCM ECU Unit 5Q0937084AC
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Audi TT 8J Starter Motor Engine Diesel Valeo 02M911024N
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Part no. 6926795
BMW 7 Series E65 Battery Cable Plus Pole 6926795 61126926795
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Part no. 7832033
Bmw E46 M3 Gear Speed Selector Adjustment Switch 7832033
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Body Control Module Mercedes Sprinter W907 W910 BCM V2 ECU A9079009205
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Module BMW F30 FEM Body Control Unit Module D3+ Electronic Lear 9290796
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Part no. 8663562-2
BMW F30 320i B48 184HP Engine Control Unit ECU Kit DME 8663562 FEM + 2 Keys
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Part no. 6944767
Seat Wiring BMW E87 E90 Front Passenger Seat Wiring Loom Harness Cable 6944767
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Part no. 7N0907530AP
Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 7N0907530AP
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Part no. A6549009600
Mercedes W177 W247 220 260920 260.920 190HP Engine ECU A6549009600 Automatic
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Part no. 8511385
BMW F10 F11 525d N57 204HP Engine Control Unit ECU Module DDE 8511385 Automatic
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Part no. 7L0971225
Audi Q7 4L 4.2 TDI Quattro Positive HV Battery Terminal Cable Harness 7L0971225
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Part no. 9335351
BMW F20 Radio Professional CD Player Control Module 9335351
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Part no. 6G9T14B534BL
Land Rover Freelander 2 Module ECU Door Lock Control Unit Module 6G9T-14B534-BL
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Part no. 9222828
BMW E81 E87 USB Adapter Wiring Cable Connection Lead Wiring Loom 1895MM 9222828
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Part no. 6956505-1
BMW 5 6 Series E60 E61 E63 E64 1 Power Distribution Fuse Relay Box Rear 6956505
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Part no. 7561817
BMW E60 E61 525i E90 E91 325i N52 Engine ECU Control Unit DME 7561817 Automatic
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Part no. 8X0919884H
Audi A1 8X A6 A7 C7 Card Map Pilot Navigation Europe 2015 8X0919884H
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Part no. 9811223
Mini Cooper S Cabrio R57 R57N LCI Airbag ECU Control Unit Module 9811223
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Part no. 9340337
BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9340337
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Part no. 1K0971250L
Skoda Octavia II Negative Battery Terminal Cable Wiring 1K0971250L
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Part no. 98053736XT00
Citroen Berlingo Peugeot Partner CD Player Radio Stereo Head Unit 98053736XT00
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Part no. 9666483680
Peugeot 3008 Multifunction Display Screen Unit Module Clock Dashboard 9666483680
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Part no. A1669002016
Mercedes ML W166 Transfer Case Gearbox Module Control Unit A1669002016
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Part no. 8664661-1
BMW F22 228i N20 245HP Engine Control Unit ECU Kit DME 8664661 Key FEM Automatic
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Part no. 5WA907007P
Audi S3 8Y A/C Air Condition Climate Control Module Unit ECU 5WA907007Q
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Part no. 2348833-1
Mini R55 R56 R60 Daytime Running LED Fog Lights Module Set 2348833
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Part no. 8571905-4
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch
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Part no. A6461540002-1
Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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Part no. 6820729
Bluetooth Module BMW F20 LCI F22 X3 F25 F32 Telematics Control Unit 6820729
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Part no. 9290171
Amplifier Sound BMW F30 F31 F32 Top Hifi Audio Amplifier Harman Kardon 9290171
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Part no. 8626172-1
BMW F10 LCI 528i N20 245HP Engine Control ECU Kit Module DDE 8626172 CAS4 Key
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Part no. 05E907309-2
Volkswagen Golf Sportsvan 1.5 TSI DADA 150HP Engine ECU 05E907309 Automatic
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Part no. 8486844-1
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DDE 8486844 BDC Key
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Part no. 5H0035411
Volkswagen Golf Mk8 A-Pillar Speaker Tweeter Sound Left Right N/O/S 5H0035411
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Part no. A2215458345
Mercedes W221 Fuse Box Relay Control Unit SAM Module A2215458345
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Part no. 8W5035035
Audi A4 S4 B9 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8W5035035
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Part no. 3456852
Fuse Box MINI R56 LCI Cooper One PL3 SPEG H5 Distribution Control Unit 3456852
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Part no. 8715710
BMW F40 Front Bumper PDC Parking Sensor Harness Wiring Cable Loom 8715710
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Part no. KV6A5H298CD
Ford Transit Connect II Ad Blue Control Module ECU Diesel Engine KV6A5H298CD
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Part no. 6808566
BMW F45 X1 F48 I01 Body Control Comfort Module Unit BDC FEM ECU LR01 6808566
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Part no. 3456906
Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456906
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Part no. SLI4
Audison Connection Sonus SLI 4 Channel Speaker Level
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Part no. 9329799
BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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Part no. 7545042-8
BMW E87 120i E90 E91 320i N46 150HP Engine ECU Unit DME 7545042 Automatic
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Part no. 8518167-3
ECU BMW E81 E82 E88 118d Diesel N47 Engine Control Unit Manual 8518167
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Part no. 8V0857273P
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P
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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. A1669006020
Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020
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Part no. A1669000709
Mercedes W204 Becker Map Pilot Navigation Module Sat Nav Navi Europe
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Part no. A2129000829
Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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Part no. VT2000
Genuine VisionTrack VT2000 Full HD Vehicle Recorder Dash Cam Camera
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Part no. 8509035-4
BMW X5 E70 3.0d M57N2 235HP Engine Module ECU KIT DDE 8509035 CAS3 + Key
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Part no. rhd-6974666-1
BMW 3 X1 Series E84 E90 E91 Instrument Cluster Speedo Clocks Manual 6974666
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Part no. 8E0880201DH-1
Audi S4 B7 Steering Wheel Air Module Driver's Side 8E0880201DH
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Part no. 8589145-14
BMW F20 LCI 116d B37 Engine Control Unit Module ECU DDE 8589145 Automatic
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Part no. 7191588
BMW E60 Rear Handle Carrier Door Comfort Access Module Right O/S 191588
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Part no. 3456587-1
Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3456587
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Part no. 6932369
BMW 3 X3 E46 E83 Body Control Unit Module GM5RD K-Bus HIGH 6932369
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Part no. rhd-7570550-2
BMW E87 E90 118i 318i N43 Engine Gearbox Wiring Loom Harness 7570550
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Part no. 4B0907357
Audi TT 8N Headlight Range Control Module Unit ECU 4B0907357
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Part no. 6935625-2
BMW X3 E83 Z4 E85 E86 Radio Business CD Player Head Unit 6935625
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Part no. 7586134-1
Mini Cooper S R56 N14 1.6 174HP ECU Kit Unit DME + CAS3 + 2 Keys 7586134 Manual
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Part no. 9286640
Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9286640
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Part no. A2129000122
Fuse Box Mercedes W212 Central Fuse Relay Control Unit Module A2129000122
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Steering Column Mercedes W205 C253 Switch Cluster Wiper Cruise Control Automatic
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Part no. 8733505
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 8733505
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Part no. 7600019-1
BMW Mini One R56 Petrol N12 1.4 N12B14A 95HP ECU Kit DME + CAS3 + 2 Keys 7600019
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Part no. 7514587-2
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7514587 + EWS + Key Automatic
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Mercedes-Benz CLA C117 W166 Head Unit Sat Nav Navigation Display Screen
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Mercedes W221 Headlining Interior Mirror Rear Left Right N/O/S A2218101817
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Part no. 8200051608
Renault Trafic 1.9 DCI Diesel Engine Control Unit Module ECU Manual 8200051608
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Part no. 8377197
BMW 5 7 Series E38 E39 Repair Cable Belt Tensioner Driver's Side 425 MM 8377197
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Part no. 9226345
Navigation Head Unit BMW E81 E87 E90 LCI Car Computer Sat Nav MID 9226345
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Part no. 8F0971035H
Audi A5 8F Cabriolet Door Card Wiring Harness Front Driver's Side 8F0971035H
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Part no. 7513981-1
Mini Cooper R50 W10 116HP Engine ECU Kit DME 7513981 + EWS + Key Manual
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Part no. F1BT18C815HE
Ford Transit Connect Radio CD Player Stereo Head Unit F1BT18C815HE
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Part no. A2048703390
Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2048703390
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Part no. 6863387
Air Module BMW F20 F23 F30 F32 F36 Safety Control Module ICM Plus Unit 6863387
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Part no. 9175653-1
BMW E88 Xenon Footwell Light Control Module Unit PL2 FRM II Lear 9175653
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Part no. A0015452616
Mercedes W212 Transmission Control Unit Module VDO EGS 722.646 A0015452616
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Part no. T1000-18039
Mini R56 Disc High Navigation DVD 2009-2 Road Map Europe T1000-14848
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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 .