S00007280+02 Fuel Water Separator Filter Paper Core The S00007280+02 paper core is an OEM-grade fuel water separation inner filter cartridge with cross reference OE number L4700-1105350, specially customized to match Shangchai electronic injection diesel engines for heavy construction engineering machinery and commercial trucks. Produced strictly under IATF 16949 automotive industrial quality standards, this pleated composite filter core adopts multi-layer gradient fiber filtration technology. It efficiently captures rust debris, sediment, colloidal pollutants, fine solid particles and free water mixed in inferior diesel fuel, thoroughly purifying fuel before it flows into the high-pressure common rail injection system. It delivers full protection for precision fuel injectors, fuel transfer pumps and internal engine moving parts, effectively avoiding abrasive wear, water cavitation and injector blockage failures. Rigorously tested to adapt to harsh off-road working conditions including frequent vibration, high-load continuous operation, high-temperature engine cabins and low-temperature outdoor environments, this filter paper core maintains stable and consistent filtration efficiency throughout its full service cycle. With precise OEM dimensional molding, it supports direct plug-and-play installation with matched filter housings without modification, serving as an essential routine maintenance consumable for engineering fleets, road construction teams, mining equipment operators and heavy-duty truck logistics companies worldwide.
Product Material Description:
Main Filter Medium: High-density blended wood pulp filter paper compounded with ultra-fine glass fiber, featuring uniform pore distribution, excellent dirt holding capacity and professional hydrophobic water separation performance for long-cycle heavy-duty filtration work.
Reinforced Support Structure: Integrated thickened hard plastic upper and lower end caps with built-in positioning ribs, strong structural rigidity to prevent filter paper deformation or collapse under frequent fuel pressure fluctuations.
Sealing Components: Premium high-performance NBR nitrile rubber sealing rings, with outstanding oil resistance, wide temperature adaptability and long anti-aging lifespan to achieve complete leakproof sealing.
Bonding Adhesive: Environmentally friendly oil-proof hot melt adhesive, which firmly laminates all filter paper layers tightly, and will never dissolve or peel off after long-term immersion in standard diesel fuel.
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