Ensure a reliable air-tight seal on your single-cylinder utility engine using the genuine Honda OEM Carburetor Base Gasket (16221-Z5T-000). Rotationally stamped to match factory casting configurations perfectly, this non-stick composite gasket ensures smooth idling performance by blocking atmospheric air leaks at the critical carburetor junction.

Engine Compatibility

Fits select updated Honda GX340 and GX390 single-cylinder utility engines.

OEM Part Number

Replaces part number 16221-Z5T-000.