FF266 Fuel Filter Paper Core FF266 fuel filter paper core is a high-efficiency aftermarket filter element matching Fleetguard original standard, cross-referenced with OEM numbers 5335504, 3698447 and SP133752. This pleated composite paper core adopts advanced nano filtration media, which can effectively capture rust debris, metal particles, sediment, colloidal impurities and separate tiny water droplets mixed in diesel fuel. With stable 7.2μm high-precision filtration performance, it provides full protection for high-pressure fuel injectors and fuel pumps, avoids injector blockage, engine power drop and abnormal fuel consumption under long-distance heavy-load transportation and off-road construction working conditions. Strictly produced according to original dimensional standards, this filter core maintains stable fuel flow and long service life, perfectly meeting daily maintenance demands of heavy-duty trucks, engineering excavators and logistics fleets equipped with Cummins diesel engines, greatly reducing vehicle breakdown risks and overall maintenance expenses.
Product Material Description:
This FF266 filter paper core uses imported composite cellulose blended with ultra-fine glass fiber as main filtering medium, treated with special hydrophobic and diesel-resistant resin impregnation to prevent fiber shedding, swelling and hydrolysis after long-term contact with diesel. It is equipped with ribbed reinforced plastic end caps and rigid internal support tube to avoid pleat collapse under variable fuel pressure. The matched sealing accessory is high-elastic NBR nitrile rubber gasket, which features outstanding aging resistance, oil corrosion resistance and wide temperature adaptability. All raw materials comply with IATF16949 automotive filtration standards, with uniform fiber distribution, balanced fuel permeability and large dirt & water holding capacity.
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