Fuel Filter Element FS19798 FS1291 FS19538 BF1296-O BF1346-O

What applications is the FS19798 used for?

• VOLVO  FH 12400

Professional Fuel Filter Element FS19798 FS1291 FS19538 BF1296-O BF1346-O

Q: What are the main features of the FS19798?

FS19798 is a fuel filter commonly used in construction machinery and diesel engine systems, mainly suitable for Cummins and other brand engines. It has efficient oil-water separation ability, which can effectively filter water and impurities in the fuel and protect the stable operation of the engine system.

The main features of this filter include:

Efficient fuel water separation: It can effectively remove free water and emulsified water from diesel, improve fuel cleanliness, and reduce engine wear.
Strong compatibility: Widely applicable to equipment equipped with Cummins engines, such as heavy-duty trucks, construction machinery, generator sets, etc., with strong model compatibility.
Strong durability: Using high-quality filtering materials, it has a long service life and stable filtering performance, suitable for high load working environments.
Multi brand adaptation: In addition to Cummins, it can also be used for equipment from brands such as John Deere, with high versatility.

Q: What is the micron rating for the FS19798?

10 micron

Q: What clogs a diesel fuel filter?

• Impurity deposition in diesel: Solid particles such as dust, metal debris, and iron oxide are mixed into the fuel during production, storage, or transportation, and long-term accumulation can clog the filter element.
• Formation of gum and sediment: Diesel fuel is prone to oxidation reactions at high temperatures, producing gum and solid sediment that adhere to the surface of the filter element and cause blockage.

• Wax crystal precipitation (low-temperature environment): When the ambient temperature is below the cold filter point (CFPP) of diesel, long-chain n-alkanes (C15-C42) in diesel will precipitate to form wax crystals, which accumulate on the filter element and cause blockage. For example, No. 0 diesel begins to precipitate wax crystals at -4 ℃.
• Freezing of moisture (winter): If sewage is not discharged in a timely manner in the oil-water separator, moisture will freeze and block the oil circuit when the temperature drops below 0 ℃.

• The filter element has not been replaced for a long time: The filter element has a service life. If it is not replaced regularly according to the maintenance manual (usually every 5000-10000 kilometers or 100-200 hours), impurities will gradually fill the pores of the filter material.
• Poor quality diesel or fuel system pollution: Using diesel with high sulfur content, high water content, or unqualified additives can accelerate the formation of gum, hydrochloric acid (sulfur+water reaction), and sediment, corrode and clog filters.

Other related factors

Oil tank or pipeline contamination: Corrosion on the inner wall of the oil tank, peeling of the inner layer of the oil pipe, or uncleaned joint filter screen can also produce impurities entering the filter.
Engine wear particles: Metal particles generated by the wear of components such as cylinder liners and piston rings flow with the fuel and are intercepted by the filter.