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. A6511503633
Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633
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Part no. A2049001202
Mercedes W204 S204 Estate Rear SAM Control Unit Module A2049001202
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Part no. A2711504279
Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual
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Part no. A1698205189
Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1698205189
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Part no. A2465410105
Battery Cover Mercedes C117 W176 W246 Frame Bracket Mount Holder A2465410105
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Part no. A2129009004-1
Radio Head Unit Mercedes C207 W207 COMAND Navi CD Player Navigation A2129009004
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Part no. A2098205226
Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226
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Part no. A6079002300
Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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Part no. A9065403527
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Part no. A6519060000
Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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Part no. A6511508656
Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511508656
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Part no. A9069000501
Mercedes W906 Door Module Front Left Right N/O/S Control Unit ECU A9069000501
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Part no. A0009000104
Mercedes W176 W204 W207 Fuel Pump Module Petrol Control Unit ECU A0009000104
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Part no. A2045842982
Mercedes W204 Fuse Box Grouping Fuse Placement Map Card Diagram A2045842982
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Part no. A0055461040
Energy Distributor Mercedes W204 W212 W906 Power Block Control Unit A0055461040
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Part no. A2711502933
Engine Wiring Harness Mercedes R171 W203 C209 M271 Loom Cable A2711502933
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Part no. A2075401850
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075401850
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Part no. A2049000902-1
Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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Part no. A1715403832
Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832
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Part no. A6461500400
Mercedes Vito W639 OM646.980 111 CDI 116HP Engine ECU Module A6461500400 Manual
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Part no. A2115403545
Mercedes W203 W211 Central Gateway Control Unit Module ECU
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Part no. A2038206489
Mercedes W203 Aerial Antenna Amplifier Module Unit A2038206489
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Part no. A6429002900-3
Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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Part no. A2049009501
Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module A2049009501
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Part no. A1405403481
Parktronic Mercedes Sprinter W901 W903 Front Bumper PDC Wiring Loom Harness
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Part no. A1718207326
Mercedes R171 Air Module SRS Control Unit Crash Sensor ECU A1718207326
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Part no. A6079002300-4
Mercedes W176 180 CDI OM607 Engine Control Unit Module ECU 237101754R Automatic
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Part no. A6461506479
Mercedes C209 220 CDI M646.966 150HP Engine Unit ECU A6461506479 Automatic
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Part no. A6421500856
Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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Part no. A0101540802
Mercedes W903 Diesel Engine Alternator Generator 45-90A 14V A0101540802
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Part no. A2045455401
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
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Part no. A6110780149
Mercedes-Benz M-Class ML W163 Pressure Regulation Valve Fuel A6110780149
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Part no. A6110920140
Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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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. A6511507386
Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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Part no. A1718207226
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207226
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Part no. A9069006701-1
SAM Module Mercedes Sprinter W906 Fuse Box Relay Control Unit A9069006701
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Part no. A1695455332
Mercedes W169 PDC Parking Sensor Distance Control Module Unit ECU A1695455332
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Part no. A2129000406
Fuel Pump Module Mercedes W207 C207 A207 Control Unit ECU A2129000406
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Part no. A9064461142
Air Module Mercedes W639 W906 Control Unit ECU A9064461142
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Part no. A1715451001
Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451001
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Part no. A2661539779-2
Mercedes W169 W245 M266.920 95HP Engine Control ECU Kit A2661539779 Manual
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Part no. A2219006404
Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Part no. A9015407309
Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
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Part no. A4159064900
Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R
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Part no. A6401540402
Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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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. A2128702751-1
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Part no. A1648204189
Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
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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. A6519062400
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
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Part no. A1765401201
Mercedes W176 Multimedia Box Wiring Loom Electrical Harness A1765401201
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Part no. A9069000103
Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069000103
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Part no. A1718207026
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207026
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Part no. A2035403533
Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533
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Part no. A6511501488
Mercedes Vito W639 OM651.940 Diesel Engine Wiring Cable Loom Harness A6511501488
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Part no. A2469067901
Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
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Part no. A6399005400-2
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Part no. A0018276604
Mercedes W207 Connection Media Interface Cable AUX Wire A0018276604
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Part no. A0018276804
Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804
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Part no. A2098700289
Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098700289
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Part no. A1699002000-1
Mercedes W169 W245 CD Player Radio Audio Head Unit Player A1699002000
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Part no. A2215402862
Mercedes W221 Fuse Box Front SAM Module Relay Control Unit A2215402862
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Part no. A6399000300
Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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Part no. A0001502550
Mercedes ML W163 Alternator Generator A0001502550
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Part no. A6519000700
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
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Part no. A9069006102
Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069006102
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Part no. A9065454401
Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401
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Part no. A6519000700-2
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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Part no. P04727770AC
Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P04727770AC Automatic
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Part no. A1645403462
Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Part no. A1648207926
Mercedes ML W164 Air Module SRS Control Unit ECU A1648207926
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Part no. A2098202526
Mercedes CLK C209 Keyless Go Module ECU Entry Door Control Unit A2098202526
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Part no. A1648200385
Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385
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Part no. A1648200485
Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485
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Part no. A2118704390
TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
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Part no. A0051510601
Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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Part no. A2118702085
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
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Part no. A2118701985
Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
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Part no. A2129008707
Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
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Part no. A2035400006
Mercedes-Benz C W203 Front Bumper Parking Sensor Wiring Loom Cable Harness
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Part no. A2118702885
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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Part no. A2118705390
Mercedes ML W164 SLK R171 W211 C219 CD Changer 6 Disc Player Unit A2118705390
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Part no. A1718205826
Mercedes SLK R171 Air Module Bag SRS Control Unit ECU A1718205826
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Part no. A0009061201
Exhaust Flap Control Mercedes C117 W176 W246 Actuator Drive Unit A0009061201
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Part no. A1569003203
BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Part no. A2038201411
Mercedes R171 W203 W211 Phone Adapter Contact Plate Holder Telephone A2038201411
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Part no. A2218207510
Mercedes W221 Anti Theft Roof Alarm Ultrasonic Motion Sensor Unit A2218207510
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Part no. A6397602004
Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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Part no. A1645402405
Mercedes ML W164 Cable Loom Wiring Parking Sensors Rear Bumper A1645402405
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Part no. A2035453801-1
Mercedes W203 W209 Fuse Box Rear SAM Module Relay Control Unit A2035453801
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Part no. A2218702826
Mercedes W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826
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Part no. A2469069600-1
Battery Cable Mercedes W176 W246 Negative Harness Lead Terminal A2469069600
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Part no. A1645403072
Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
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Part no. A1645402830
Mercedes ML W164 Battery Positive Cable Wiring A1645402830
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Part no. A1645453316
Mercedes ML W164 Parktronic Parking Control Unit Module A1645453316
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Part no. A1718205226
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718205226
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Part no. A1718205126
Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718205126
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Part no. A0018200826
Mercedes SLK R170 W202 W210 Module Control Unit SRS Sensor ECU Bosch A0018200826
Product currently unavailable
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 .