Motorcycle Filter Core Sponge Replacement Fit For ZONTES ZT368E 368D 368M Engine Replacement Parts Fit For ZT368E; 368D; 368m; engine lubrication filter housing structure Direct replacement; fits preset filter slot inside engine case; no or extra required density sponge interception tiny debris oil ; keeps circulating ; reduces internal engine wear Elastic thickened sponge material; withstands long term engine temperature circulation; maintains stable filtering in daily commuting cut forming with unified thickness contour; consistent mounting dimension with filter sponge core