91212-PWA-003 Oil Seal (40X55X7) - Overview. The 91212-PWA-003 Oil Seal (40X55X7) is an essential component designed to support Honda marine and automotive engine systems. It functions as a crucial sealing element that prevents oil leakage around rotating shafts within engine assemblies, ensuring reliable operation and preventing contamination in the system. Manufactured to meet precise factory dimensions of 40mm inner diameter, 55mm outer diameter, and 7mm thickness, this oil seal ensures seaml