FS20190 Fuel Water Separator Filter Paper Core The FS20190 paper core is a premium aftermarket fuel-water separation filter inner element, perfectly cross-referenced with OEM part number WG9925550966, designed for heavy-duty common rail diesel engines used in commercial trucks and construction machinery. Manufactured strictly in accordance with IATF 16949 automotive quality standards, this filter core adopts multi-layer composite fiber filtration structure, which can efficiently trap rust particles, sediment, colloidal impurities and fine solid contaminants mixed in diesel fuel, while achieving excellent free water separation performance. It thoroughly purifies fuel before it enters the engine fuel injection system, providing full protection for precision fuel injectors, high-pressure fuel pumps and internal engine moving components. Tested rigorously to withstand long-time high-load operation, continuous vibration, high-temperature engine cabins and low-temperature harsh working environments, this filter paper core maintains stable filtration efficiency throughout its full service cycle. With precise OEM dimensional molding, it achieves direct plug-and-play installation with matched filter housings without modification, serving as a necessary routine maintenance consumable for global logistics fleets, freight transportation companies, mining teams and engineering vehicle fleets.
Product Material Description:
Main Filter Medium: High-density blended wood pulp filter paper compounded with fine glass fiber, featuring uniform fiber pores, stable permeability and outstanding dirt holding capacity, with a standard 7μm filtration precision.
Inner Support Framework: Reinforced high-strength plastic support frame with galvanized auxiliary ribs, resistant to deformation and collapse under fluctuating fuel pressure.
Sealing Components: High-performance NBR nitrile rubber end caps and sealing gaskets, with excellent oil resistance, high temperature resistance and anti-ageing properties to realize complete leakproof sealing.
Bonding Adhesive: Environmentally friendly oil-proof adhesive, firmly laminates multi-layer filter paper, and will not dissolve or peel off after long-term immersion in diesel fuel and biodiesel blends.
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