Honda GX340 / GX390 Replacement - Head Gasket

Replacement cylinder head gasket for Honda GX340 11HP and GX390 13HP small engines. Provides a reliable seal between the engine block and cylinder head. Replaces Honda OEM Part Numbers: - 12251-ZF6-W00 - 12251-ZF6-W01 Fits Honda GX340 and GX390 engine variants used in pressure washers, generators, water pumps, and other power equipment. Also compatible with many 389cc clone engines.