91311-ZV5-822 O-Ring (1.5X3.5) - Overview. The 91311-ZV5-822 O-Ring (1.5X3.5) is an essential sealing component within Honda marine engine systems. This small yet vital part helps maintain watertight integrity, preventing leaks and contamination in the engine's oil filter housing and other associated systems. Designed precisely to factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precisely sized O-Ring with 1.5mm inner diameter and 3.5mm outer diameter for accurate sealing.. Genuine OEM Honda marine engine part guaranteeing reliable fit and long-lasting durability.. Crucial for maintaining a watertight seal in oil filter housing and related marine engine systems.. Manufactured to meet exact factory specifications, dimensions, and tolerances.. Ensures smooth operation by integrating cleanly with hoses, filters, and housings.. OEM style helps maintain expected performance, durability, and reliabilit