91301-ZV7-000 Pump Cover O-Ring - Overview. The 91301-ZV7-000 Pump Cover O-Ring is a critical sealing component within Honda marine engine systems, particularly designed for the pump cover of Honda outboard motors. This OEM rubber O-ring supports the oil pump system and functions primarily to prevent leaks of oil or water, ensuring reliable and efficient operation of the pump housing. Engineered to factory specifications, it guarantees seamless integration with existing parts, maintaining optima