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. 5Q0937084AJ
Audi A3 8V Body Control Comfort Unit Module BCM Unit ECU 5Q0937084AJ
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Part no. 7L5907530D
Porsche Cayenne 9PA Body Gateway Module ECU Control Unit 7L5907530D
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Part no. 6910381
BMW 7 Series E65 E66 Dashboard Dash Sun Solar Sensor Speaker Cable 6910381
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Part no. RIPCA-FUSE-BOX
Ripca 12 Way Standard Blade Fuse Box Dual Bus Electrical Unit Module
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Part no. 7823420-2
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Part no. 02E911022H
Audi S3 8Y 2.0 TFSI Starter Motor Engine Petrol 02E911022H
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Part no. 7550469-2
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Part no. A6421509078-1
Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
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Part no. A6399000300-1
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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Part no. 8650701
BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8679840 Drivelogic
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Part no. 9211323
Mini Cooper R55 R56 R57 Cable Wiring Set HiFi Electrical System 9211323
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Part no. 9193758
Dashboard Monitor BMW E60 E63 E90 E91 LCI Dash Display Screen 6,5" 9193758
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Part no. A2139002501
Mercedes W213 OM654.920 Automatic Transmission Control Unit Module A2139002501
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Part no. A2118702626
Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118702626
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Part no. A9069820109-1
Mercedes W907 Positive Battery Terminal Cover Cap Trim Red A9069820109
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Part no. A2669000200-2
Mercedes W169 A180 266.940 Engine Control ECU Kit A2669000200 Key Lock Automatic
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Part no. 7241551
BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551
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Part no. 9152262-1
BMW X5 X6 E70 E71 Front Impact Crash Sensor Module 9152262
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Part no. 6918780
BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6918780
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Part no. A6461541102
Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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Part no. 9320144
BMW F10 Sound Audio Amplifier Control Unit Module 9320144
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Part no. 5A19DB2
Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
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Part no. 9809590-1
Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Part no. 4898111
Iveco Eurocargo F4AE0481 Engine Module ECU 4898111
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Part no. 8P0035399B
Audi A3 8P Speaker Tweeter Front Left Right N/O/S Pillar A 8P0035399B
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Part no. 9646321880
Peugeot 307 Citroen Berlingo Diesel Engine Alternator Generator 9646321880
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Part no. 6G9T14B533KL
Module Land Rover Freelander 2 ECU Front Door Window Control Unit 6G9T-14B533-KL
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Part no. 04B903023B
Volkswagen Polo Mk5 Alternator Generator 140A Diesel Engine 04B903023D
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Part no. 4G0906093F
Audi A6 C7 Fuel Pump Control Unit Module 4G0906093F
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Part no. 5Q4959392E
Skoda Octavia 5E Front Door Module Control Unit ECU Passenger Side 5Q4959392E
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Part no. 8E0910115K
Audi A4 B7 2.0 TFSI BWE 200HP Engine Control ECU 8E0910115K Manual
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Part no. 8626472-1
BMW F20 F21 M135i N55 326HP Petrol Engine Control Unit ECU DME 8626472 Automatic
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Part no. A6409004600
Mercedes W245 B180 CDI 640.940 Engine Control Unit ECU A6409004600 Automatic
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Part no. 8XA959655A
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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Part no. 8372521
BMW 3 5 Series E39 E46 Airbag Control Unit Module 8372521
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Part no. 1308310406
BMW F46 Light Control Module Unit Basis 1308310406
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Part no. A2055455440
Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440
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Part no. 6856283
BMW F30 F31 Lane Change Wiring Sensor Module Master Right O/S HC-2 6856283
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Part no. 6907657
BMW E46 GM V Body Control Unit Module Junction Box 6907657
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Part no. 6987997-1
BMW 1 Series E90 Footwell Light Control Module (LCM) NSW 6987997
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Part no. 9T11-12A650-GH
Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Part no. 7E0971794A
Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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Part no. 9813237
Mini R60 Rear PDC Ultrasonic Parking Sensor Midnight Grey Metallic 9813237
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Part no. 9193748
BMW E60 E63 On-board Navigation Display Monitor Screen 6,5" 9193748
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Part no. 7542529-2
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Part no. 7640005-8
Mini Cooper R56 N12 1.6 120HP ECU Kit Engine DME 7640005 + CAS3 + Keys Manual
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Part no. A1561540102
Mercedes W204 C63 AMG M156 Engine Alternator Generator BOSCH 180A A1561540102
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Part no. 9141682-1
BMW 1 3 Series E81 E87 E90 E91 1 Radio BMW Business CD Player 9141682
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Part no. A1645458532
Mercedes ML W164 SAM Module Passenger Side Control Unit A1645402501
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Part no. 8473167
BMW F30 F31 F32 LCI 330dX N57N Engine Gearbox Module Wiring Cable Loom 8578498
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Part no. 3457526
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457526
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Part no. 240113809R
Engine Wiring Renault Trafic II Loom Harness Module 240113809R
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Part no. 9259823
BMW 3 Series E92 E92 LCI Wiring Set Door Co-driver Passenger
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Part no. 6927904
Mini Cooper One R50 R52 R53 Radio Boost CD Player Unit Head Control 6927904
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Part no. 99661821901
Porsche Boxster 986 Air Module Control Unit ECU 99661821901
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Part no. 6938049
BMW 3 5 Series E39 E46 Touring Ultrasonic Roof Alarm Sensor Module ECU 6938049
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Part no. 3QF907561D
Volkswagen VW Golf Mk7 Front Radar Distance Control Unit Module 3QF907561D
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Part no. A2025458440
Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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Part no. 7579142-5
BMW E87 LCI E90 116i 316i 1.6 Petrol N43 122HP ECU Kit DME CAS3 Key 7579142
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Part no. 4L0035223J
Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Part no. 02E911024H
Volkswagen Seat Skoda Audi 2.0 TDI Diesel Engine Starter Motor Valeo 02E911024H
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Part no. ROAD-TOP-DECODER
Road Top HD Digital Decoder Retrofit Kit Module Camera CarPlay Control Unit
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Part no. A2469006710
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Part no. A2129000829
Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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Part no. 9179808
BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Part no. A2129006417
Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417
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Part no. 23127JG71B
Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B
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Part no. A2229008911-1
Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
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Part no. 9275509
BMW F07 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9275509
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Part no. 6827064
BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. A2129009705-1
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Part no. 7549396
Earth Ground Cable BMW E90 E91 E92 Negative Battery Lead Wiring 7549396
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Part no. 9140177
BMW MINI Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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Part no. 7640005-1
Mini Cooper R55 R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Key 7640005
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Part no. 9257151-1
Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
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Part no. A2118206026
Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026
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Part no. 7577968-2
BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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Part no. A0009062700-1
Mercedes W639 W906 W907 OM642 Diesel Engine Alternator Generator A0009062700
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Part no. 8K0907801H
Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
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Part no. 6945156
BMW 5 6 Series E60 E61 E63 Sensor B-pillar Airbag Right O/S
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Part no. 6977759
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6977759
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Part no. 6917541
BMW 7 Series E65 E66 E67 Diagnosis Interface Media System MOST Jumper 6917541
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Part no. 6969011
BMW E60 E63 E64 Body Control Module ECU Control Unit 6969011
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Part no. 9374507-1
BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507
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Part no. 5Q0906121M
Audi Q3 8U 2.0 TDI CUWA Fuel Pump Relay Control Unit Module ECU 5Q0906121M
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Part no. 7536020-1
MINI One R50 1.6i W10 90HP Engine ECU KIT DME 7527610 7536020 + Key Automatic
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Part no. 03G972619KP
Volkswagen VW Touran 2.0 TDI BKD Engine Wiring Harness Loom Cable 03G972619KP
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Part no. 4F0035110A
Audi A6 C6 CD Player Changer Multimedia Module Control Unit 4F0035110A
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Part no. 5N0959655AA
Volkswagen Tiguan 5N Air Module Crash Control Module Unit ECU 5N0959655A
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Part no. 7508054
BMW X5 E53 4.4i 4.6is M62 Water Cooled Alternator Generator 150A
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Part no. A0009062722-1
Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
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Part no. 9249083-1
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9249083
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Part no. A1775404307
Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
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Part no. 7555178
Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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Part no. 9313930
Light Module BMW F10 LCI Control Footwell Lightning ECU Unit FRM3 9313930
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Part no. 6994554
Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
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Part no. 3456988
Mini Cooper One R60 Footwell Light Module AHL EKS ECU LEAR PL3 FRM3R 3456988
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Part no. A1645400182
Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182
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Part no. 9231321
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9231321
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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 .