Crank Case. D & E series.Replaces OEM #: 602763
Reed Plate Gasket to Cylinder. C & D series.Replaces OEM #: 608362
Replaces OEM #: Lawnboy 609476Fits Lawnboy F series engines.
Fits "C" & "D" series.Replaces OEM #: 604116
Replaces OEM #: 681737,36-071Two ring set "F" Engines
Replaces Lawn-Boy 682986, 92-4923Piston has a small hole in the top. It is a compression release.