Yuchai YC4S diesel filter insert

9980010 & S50000-1012240 Oil Filter Paper Core 9980010 cross-reference S50000-1012240 oil filter paper core is an OEM-standard lubrication filter cartridge exclusively engineered for Yuchai YC4S EFI diesel engines that meet National V emission standards. This deep-pleated composite filter medium efficiently captures metal wear debris, carbon sludge, oxidation sediment and micro abrasive particles suspended in high-temperature engine oil. It maintains stable, unobstructed oil circulation under long-distance heavy-load transport and harsh high-temperature working conditions, effectively reducing friction and abrasion on crankshaft, bearings, cylinder liners and piston assemblies. By keeping lubricating oil consistently clean, it stabilizes engine power output, cuts abnormal fuel consumption and lowers engine breakdown risks. Manufactured strictly following original dimensional specifications (Φ109×247mm, thread 1-1/2-12 UNF) and fully passing IATF16949 filtration performance tests, this dual part-number filter core serves as a durable, cost-effective aftermarket maintenance spare part for Chenglong heavy trucks, logistics fleets and engineering machinery equipped with matching Yuchai power systems, greatly extending overall engine service life and slashing long-term vehicle maintenance costs.  Product Material Description: This S50000-1012240 / 9980010 filter paper core adopts high-density composite cellulose fiber blended with ultra-fine glass fiber as the primary filtering medium. The filter paper undergoes professional high-temperature, oil-resistant resin impregnation treatment to prevent fiber shedding, softening, swelling and hydrolysis after long-term contact with hot engine oil. It is fitted with a thick rigid reinforced paper inner support tube and integrated positioning end caps to avoid pleat collapse under fluctuating high oil pressure. The matched sealing accessory is high-elastic NBR nitrile rubber gasket, featuring outstanding aging resistance, oil corrosion resistance and wide temperature tolerance (-40℃ to 125℃). All raw materials comply with heavy-duty automotive filtration standards, with uniform fiber distribution, balanced oil permeability and ultra-large dirt holding capacity for long service mileage.