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. 6950814
BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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Part no. 6908950
BMW 3 5 X5 Series E39 E46 E53 6-disc CD Changer Without Magazine 6908949
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BMW 1 3 5 F10 F20 F30 Can Bus Interface Data Terminating Resistor 586509
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Part no. 9217004
Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
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Part no. 8200635663
Vauxhall Movano A 2.5 CDTI G9U 650 Engine Module Unit ECU 8200635663 Manual
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Part no. 8P4971036K
Audi A3 S3 RS3 8P Front Door Harness Cable Loom Passenger Side 8P4971036K
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9394669
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Part no. 5M5T-14B192-CA-1
Ford Transit Custom Relay 4-Pin Black 12V 40A FOMOCO Set Pair 5M5T14B192CA
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Part no. 4L0907290A
Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Part no. A1698202675-1
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698202675
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Part no. 9281517-1
BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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Part no. 9257150
BMW F01 F02 F03 F10 F11 F20 F21 F30 F31 Bluetooth Module Combox Media 9257150
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Part no. 8R0907441A
Audi Q5 8R Reversing Camera ECU Control Unit Module 8R0907441A
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Part no. 079911024
Audi A7 S7 4G8 A8 D4 4.0 TFSI Starter Motor Denso Petrol Engine 079911024
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Part no. 1K0937125C
Fuse Box Audi A3 8P Volkswagen Golf Mk5 Cover Trim Panel Housing 1K0937125C
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Part no. CK3T12B637GAF
Ford Transit MK7 Diesel Engine Wiring Loom Harness Cable CK3T12B637GAF
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Part no. A0009824823
Mercedes Sprinter W907 Fuse Box Battery Relay Gruner A0009824823
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Part no. 03C903023F
Volkswagen New Beetle 1.4 TSI Petrol Engine Alternator Motor 14V 110A 03C903023F
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Part no. 6933875
BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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Part no. 7798179-2
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE 7798179 CAS2 + Key
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Part no. 6903096
BMW E46 Coupe Convertible Door Wiring Passenger Side Cable Harness Loom 6903096
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Part no. 9192680
BMW 5 6 E60 LCI E63 Radio CHAMP Business Player System Controller 9192680
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Part no. 9214977
BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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Part no. 9230454
BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9230454
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Part no. 6945072
BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
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Part no. 6952914
Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914
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Part no. 8K0971029M
Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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Part no. A2118704085
Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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Part no. A2098204189
Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Part no. A2229000618
Mercedes GLC X156 Estate Trunk Lid Tail Gate Relay Amplifier Module A2229000618
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Part no. 9663593480
Peugeot 207 Airbag Module ECU Control Unit Air Bag 9663593480
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Part no. 9387262
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262
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Part no. 6989078
BMW 5 X3 Series E60 E61 E83 Front PDC Parking Distance Sensor Orientblau Blue
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Part no. A2098205226
Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226
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Part no. 09185826
Vauxhall Opel Relay Speed Signal Electrical Unit 5 Pin Siemens Orange 09185826
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Part no. 7610011-6
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 + 2 Keys 7610011 Manual
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Part no. 3450543
Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch 3450543
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Part no. 9264978
BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09264978
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Part no. 7592529
BMW F20 F23 F11 N55 Engine Wiring Harness Motor Adapter Sensor System 2 7592529
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Part no. 7426095
BMW F10 F20 F30 F32 Fuel Pump Control Module Unit 7426095
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Part no. 8W0035502B
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Part no. 7588620
BMW E60 E90 325i 525i N53 218HP ECU Engine Control Module DME 7588620 Automatic
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Part no. 1K0937125D-1
Audi A3 8P Volkswagen Touran Mk1 Skoda Yeti Engine Fuse Box 2.0 TDI 1K0937125D
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Part no. 4G1035192A
Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A
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Part no. 7595179-15
BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
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Part no. A9069006303
Mercedes W906 Fuse Box Control Unit Module ZGS Temic A9069006303
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Part no. A2129014606
Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
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Part no. A2385407716
Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716
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Part no. 8P0959802K
Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802K
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Part no. 9119359
BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359
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Part no. A0009004301
Mercedes C204 C207 C214 C218 Module Fuel Pump Control Module Unit A0009004301
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Part no. A2709000900
Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900
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Part no. 9176880
BMW E90 Body Control Module BCM ECU Junction Box Footwell 6135 9176880
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Part no. 233008223R
Renault Kangoo Mercedes Citan W415 Engine Starter Motor 1.5 Diesel 233008223R
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Part no. 7811700-5
BMW 1 3 Series E81 E87 LCI E90 N47 120d 320d 177HP ECU Kit DDE 7811700 CAS3 Key
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Part no. A2059002629
Surround View Camera Mercedes W205 W447 Camera Control Unit Module A2059002629
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Part no. A0041518501-1
Mercedes W169 W245 Engine Starter Motor A0041518501
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Part no. 6965263
BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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Part no. 504121602
Iveco Daily 2.3 Diesel Engine F1AE0481 Unit Module ECU Manual 504121602
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Part no. 8K0907801N
Audi A5 8T Electric Hand Parking Brake Control Unit ECU 8K0907801N
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Part no. 7520019-10
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. 95860411300
Porsche Macan 95B Audi A8 D4 Starter Motor 12V DENSO 95860411300 06M911024
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Part no. A1694403805
Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Part no. A0005400650
Mercedes Sprinter W901 W638 Fuse Box Relay Control Unit Module A0005400650
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Part no. 0AM911023G
Audi A3 8V Engine Starter Motor Actuator Starter 0AM911023G
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Part no. 8P0035186S
Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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Part no. 6C1T-10B728-AC-1
Ford Transit Mk7 Battery Crash Disconnection Control Relay 6C1T-10B728-AC
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Part no. A0025426918
Mercedes W211 W220 Crash Sensor Left Right N/O/S A0025426918
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Part no. A2118702889
Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Part no. 8S0915459A
Audi TT FV 2.0 TFSI CHHC HV Battery Power Central Distribution Point 8S0915459A
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Part no. 9154944
BMW E60 LCI Light Control Module Unit Controller Lear LME6X AHL 9154944
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Part no. 9131710
BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Part no. 1430940-1
BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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Part no. 6927929
Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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Part no. 93169260
Saab 9-3 1.9 Ttid Z19DTR Diesel Engine Alternator Generator 93169260
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Part no. 8711938
BMW X1 F40 F48 Mini F54 F60 USB Bush Dual Double Socket Plug 8711938
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Part no. 9673749980
Citroen Berlingo B9 1.6 HDI Diesel Engine Wiring Cable Harness 9673749980
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Part no. 06F971082F
Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
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Part no. 8V0035020H
Audi A3 8V MMI Multimedia CD Player Head Unit Infotainment 8V0035020H
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Part no. 02Z911023E
Volkswagen New Beetle 1.4 TSI Petrol Engine Starter Motor 02Z911023E
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Part no. A1679001414
Head Unit Mercedes W167 W177 Audio Stereo Radio Player Control Unit A1679001414
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Part no. 9464652
Mini Cooper One F57 Convertible Folding Top Control Unit Module CVM 7457434
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Part no. A6519006401-1
Mercedes GLC X253 220d OM651.921 170HP Engine Unit ECU Kit A6519006401 Automatic
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Part no. 9663593380
Peugeot 207 Airbag Module ECU Control Unit Sensor Air Bag 9663593380
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Part no. 7640005-3
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Part no. 7511570-1
BMW X5 E53 3.0i Engine M54 231HP ECU Kit DME 7511570 + EWS + 2 Keys Automatic
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Part no. 9246503
Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503
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Part no. 7223190
Rear View Camera BMW F07 GT Trim Panel Cover Boot Lid Tailgate 7223190
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Part no. 6944844
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Part no. 3457579
Fuse Box Mini Cooper R57 Cabrio High SPEG PL3 DC/DC H4 Distribution 3457579
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Part no. A1729008612
Mercedes SLK R172 Amplifier Audio Sound Control Unit Module Harman A1729008612
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Part no. 7795844-4
BMW 1 3 Series E87 E90 E91 118d 318d Engine ECU Kit DDE CAS2 Key 7795844
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Part no. 1J0035505A
Volkswagen Polo 6N Aerial Roof Antenna Base Antenna Unit 1J0035505A
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Part no. 9210508
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9210508
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Part no. A1698205189
Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1698205189
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Part no. A2075406010-1
Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
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Part no. 6968037
BMW 1 Series E87 ECU Body Control Module Unit H2 PL2 JBBFE 61356968037 6968037
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Part no. 6853705
BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6853705
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Part no. 7810950-2
BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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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 .