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BFO 9LVFSY Voltage Regulator Circuit 0125812009 W156 14.3V

fits make: Mercedes. year: 2015–2020.

0125812009 Bfo 9lvfsy Voltage Regulator For Mercedes Gla250 W156 2015-2020 B-circuit 14.3v

( Brand: Bfo ), ( Manufacturer Part Number: 9LVFSY ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Circuit Type: B-circuit ), ( Features: Durable, Easy Installation ), ( For: For Mercedes-benz W117 Cla250, W156 Gla250 ), ( Ipn: 0125812009 ), ( Manufacturer Warranty: 2 Years ), ( Oe/oem Part Number: 0272220809, 0272220839, Vrb839, 0125711030, 0125711055 ), ( Performance Part: Yes ), ( Terminal Id: Lin ), ( Type: Voltage Regulator ), ( Universal Fitment: No ), ( Voltage: 14.3v ), ( Voltage Set Point: 14.30v )

Review BFO Voltage Regulator Mercedes B circuit 14.3v fits GLA250 2015–2020

The BFO 9LVFSY Voltage Regulator is an essential component for maintaining the electrical system in Mercedes-Benz GLA250 models produced between 2015 and 2020 with the W156 chassis. This voltage regulator is specifically designed for the B-Circuit, which operates at a voltage of 14.3V.

This voltage regulator ensures that the electrical system in your vehicle receives a consistent and stable power supply. It regulates the voltage output from the alternator, preventing fluctuations that could potentially damage sensitive electrical components. The regulator is designed to work seamlessly with the vehicle's electrical system to ensure optimal performance and efficiency.

The BFO 9LVFSY Voltage Regulator is built with high-quality materials to ensure durability and reliability. It features a robust housing that protects the internal components from environmental factors, such as moisture and dust. The regulator also includes a diode that prevents the battery from discharging when the engine is off, preserving the battery's charge.

Installation of the BFO 9LVFSY Voltage Regulator is a straightforward process that can be completed by most DIY enthusiasts. However, if you're not comfortable working on your vehicle, it's always best to consult a professional mechanic to ensure the job is done correctly.

When you purchase the BFO 9LVFSY Voltage Regulator, you can trust that you're getting a high-quality product that meets the rigorous standards set by Mercedes-Benz. This voltage regulator is a direct replacement for the original equipment, ensuring a perfect fit and function in your vehicle. By investing in a genuine OEM voltage regulator, you can enjoy the peace of mind that comes with knowing your electrical system is in good hands.

In summary, the BFO 9LVFSY Voltage Regulator is a crucial component for maintaining the electrical system in your Mercedes-Benz GLA250. It regulates the voltage output from the alternator, ensuring a consistent and stable power supply to your vehicle's electrical components. Built with high-quality materials and designed to meet the rigorous standards set by Mercedes-Benz, this voltage regulator is a direct replacement for the original equipment and guarantees optimal performance and efficiency.

The BFO 9LVFSY Voltage Regulator is a component used in Mercedes-Benz GLAs produced between 2015 and 2020, specifically for the 14.3V B-circuit. This part, which is identified by the part number 0125812009, plays a crucial role in maintaining the correct voltage level for various electrical systems in the vehicle. In this response, we will discuss the pros and cons of buying this voltage regulator for a Mercedes GLA250.

Pros:

1. OEM Compatibility: The BFO 9LVFSY Voltage Regulator is an original equipment manufacturer (OEM) part produced by Bosch, ensuring it fits perfectly and functions as intended in your Mercedes GLA250.

2. Improved Performance: A new voltage regulator can lead to improved electrical system performance, as it maintains the correct voltage level for all electrical components.

3. Reliability: By replacing a faulty or aging voltage regulator, you can increase the overall reliability of your vehicle's electrical systems.

4. Warranty: OEM parts typically come with a manufacturer's warranty, which can provide peace of mind and cover any potential issues with the part.

Cons:

1. Cost: OEM parts like the BFO 9LVFSY Voltage Regulator can be more expensive than aftermarket alternatives.

2. Availability: Depending on your location and the availability of parts from Mercedes-Benz dealerships, it might take some time to obtain the part.

3. Installation Complexity: Installing the voltage regulator may require specialized tools and knowledge, which could add to the overall cost and time investment.

Conclusion:

The decision to buy the BFO 9LVFSY Voltage Regulator for your Mercedes GLA250 ultimately depends on your priorities. If you value the peace of mind that comes with using OEM parts and are willing to invest in the cost and installation complexity, then this part is an excellent choice. However, if you're looking for a more cost-effective solution, aftermarket alternatives might be worth considering.

Recommendation:

If you prefer the certainty and reliability of OEM parts, we recommend purchasing the BFO 9LVFSY Voltage Regulator from a trusted Mercedes-Benz parts supplier or dealership. Make sure to have the necessary tools and knowledge for installation or plan to pay for professional installation services. If you're looking for a more budget-friendly option, consider researching and purchasing a high-quality aftermarket voltage regulator from a reputable supplier.

Details:

. For Mercedes-Benz CLA250 All Sub model W117 2014 - 2014, 4Matic 2015 -2016, Base 2017 -2019, GLA250 W156 2015 -2020. Soft Start 25 % LRC 3 Sec, Item Type: Alternator voltage Regulator, condition: Brand New, voltage : 14.3V, Set Point: 14.30V, Circuit B-Circuit, Terminal ID: LIN.

OE/Part Number, VRB839, A,. Fast Shipping.

specifications altnagen:

  • for makes: Mercedes
  • for years: 2015-2020
  • brand: Bfo
  • mpn: 9lvfsy
  • california prop 65 warning: California Prop 65 Warning
  • circuit type: B-circuit
  • features: Durable, Easy Installation
  • for: For Mercedes-benz W117 Cla250, W156 Gla250
  • ipn: 0125812009
  • manufacturer warranty: 2 Years
  • oe/oem part number: 0272220809, 0272220839, Vrb839, 0125711030, 0125711055
  • performance part: Yes
  • terminal id: Lin
  • type: Voltage Regulator
  • universal fitment: No
  • voltage: 14.3v
  • voltage set point: 14.30v

seller altnagen:

  • # reviews: 5446
  • rating: 99.2%
  • city: Elk Grove Village, Illinois

returns altnagen:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

offer altnagen:

  • best offers: True
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: March 20, 2026

shipping altnagen:

  • type: Fixed
  • service: Standard
  • transit: 4-7 Days
  • cost: $0.00
  • class: Standard

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  • wallet: Apple-pay
  • credit card: Mastercard

general altnagen:

  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
  • condition: New
for makes: mercedes, for years: 2015-2020, california prop 65 warning: california prop 65 warning, circuit type: b-circuit, features: durable, easy installation, for: for mercedes-benz w117 cla250, w156 gla250, manufacturer warranty: 2 years, oe/oem part number: 0272220809, 0272220839, vrb839, 0125711030, 0125711055, performance part: yes, terminal id: lin, type: voltage regulator, universal fitment: no, voltage: 14.3v, voltage set point: 14.30v,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > alternators generators, sku: 18681425370881881,
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