4912776
Fuel Water Separator
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$234.95 $279.59

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins Fuel Water Separator 4912776 is a component designed to enhance the operation of commercial trucks by ensuring the fuel delivered to the engine is free from water contamination. This part plays a significant role in maintaining the integrity of the fuel system and contributes to the overall efficiency and reliability of the vehicle.

Basic Concepts of Fuel Water Separators

A Fuel Water Separator is a device that removes water from diesel fuel before it reaches the engine. Water can enter the fuel system through condensation or contamination during storage and transport. The presence of water in diesel fuel can lead to corrosion, reduced fuel efficiency, and potential damage to the engine. The separator works by allowing fuel to pass through a filter medium that captures water droplets, ensuring that only clean fuel is delivered to the engine 1.

Purpose of the Cummins Fuel Water Separator

The Cummins Fuel Water Separator 4912776 is designed to maintain fuel quality and support engine performance in commercial trucks. By removing water from the fuel, it helps prevent corrosion within the fuel system and ensures that the engine operates on clean, dry fuel. This contributes to consistent engine performance, reduced wear on fuel system components, and overall improved reliability of the vehicle.

Key Features

The Cummins Fuel Water Separator 4912776 incorporates several design elements that enhance its performance. It is constructed using durable materials to withstand the demands of commercial truck operations. The separator includes a high-efficiency filter medium that effectively captures water contaminants. Additionally, it features an easy-to-use drain valve for convenient water removal and a transparent bowl that allows for visual inspection of the fuel quality.

Benefits of Using the Cummins Fuel Water Separator

Incorporating the Cummins Fuel Water Separator 4912776 into a truck’s fuel system offers several advantages. It contributes to improved engine efficiency by ensuring that the engine operates on clean fuel. This can lead to better fuel economy and reduced emissions. Additionally, by preventing water-related corrosion and component wear, the separator can help lower maintenance costs and extend the life of the engine and fuel system components.

Installation Process

Installing the Cummins Fuel Water Separator 4912776 involves several steps to ensure proper integration into the truck’s fuel system. The process requires basic hand tools and may involve disconnecting and reconnecting fuel lines. It is important to follow the manufacturer’s instructions carefully to ensure a secure and leak-free installation. Proper placement and alignment of the separator are crucial for optimal performance.

Routine Maintenance

Routine maintenance of the Cummins Fuel Water Separator 4912776 is important to ensure its continued effectiveness. Regular inspection intervals should be established to check for water accumulation in the separator bowl. The drain valve should be used to remove any collected water. Additionally, the filter element may need to be replaced periodically, following the manufacturer’s guidelines, to maintain optimal filtration efficiency.

Troubleshooting Common Issues

Common issues with the Cummins Fuel Water Separator 4912776 may include water accumulation, reduced filtration efficiency, or leaks. Troubleshooting steps may involve inspecting the separator for proper installation, checking the condition of the filter element, and ensuring that the drain valve is functioning correctly. Addressing these issues promptly can help maintain the performance and reliability of the fuel system.

Performance Impact on Engine

The Cummins Fuel Water Separator 4912776 plays a role in engine performance by ensuring that the fuel delivered to the engine is free from water contamination. This can contribute to improved fuel efficiency, consistent power output, and reduced emissions. By maintaining clean fuel, the separator supports the overall health and performance of the engine.

Environmental Considerations

Using the Cummins Fuel Water Separator 4912776 can have positive environmental impacts. By ensuring that the engine operates on clean, dry fuel, it helps reduce emissions associated with incomplete combustion and engine inefficiency. This contributes to more sustainable operations and supports efforts to minimize the environmental footprint of commercial truck fleets.

Compatibility with Cummins Engines

The Cummins Fuel Water Separator 4912776 is compatible with various Cummins engines, including the 6C8.3, K19, K38, and K50 engines. This part is engineered to fit seamlessly into the fuel systems of these engines, ensuring that water and other impurities are effectively removed before the fuel reaches the engine. This compatibility is crucial for maintaining engine performance and reliability 2.

Integration with Key Components

The Cummins Fuel Water Separator 4912776 works in conjunction with other key components of the fuel system, such as the fuel filter, fuel system accessories, and mounting components. Proper installation and maintenance of these components ensure that the fuel delivered to the engine is free from water, which can cause corrosion and other damage over time 3.

Conclusion

The Cummins Fuel Water Separator 4912776 is a vital component for maintaining the integrity and efficiency of an engine’s fuel system. By removing water and other contaminants from the fuel, it ensures cleaner and more reliable combustion, contributing to improved engine performance, reduced maintenance costs, and positive environmental impacts.


  1. Forbes Aird, Bosch Fuel Injection Systems, HP Books, 2001.

  2. Robert Huzij, Angelo Spano, Sean Bennett, Modern Diesel Technology Heavy Equipment Systems, Delmar Cengage Learning, 2014.

  3. Cummins Inc., Service Manual (6314864), M14 CM2670 M111C.

SPECIFICATIONS

Package Dimensions
26.0 x 18.0 x 17.0 in
Weight
2.94 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.