This part is a standard replacement for many small engines and is often recommended to be replaced alongside its corresponding O-ring seal (part #91353-671-003) to ensure a leak-free connection. Function: Connects the fuel tank to the fuel line and acts as an internal strainer/filter. Compatibility: Fits a wide range of Honda GX Series engines, including GX110, GX120, GX140, GX160, GX200, GX240, GX270, GX340, and GX390. Equipment: Commonly found on generators, snowblowers, tillers, water pumps, and lawn mowers. Replaces: This part replaces the older Honda part number 16955-ZE1-000.