Crank Case. D & E series.
Replaces OEM #: 602763

Reed Plate Gasket to Cylinder. C & D series.
Replaces OEM #: 608362

Replaces OEM #: Lawnboy 609476
Fits Lawnboy F series engines.

Fits "C" & "D" series.
Replaces OEM #: 604116

Replaces OEM #: Lawn-Boy 602850, 98-1362
Fits Lawn-Boy Engine Models C & F series (Plastic Carburetor)

Replaces OEM #: 681737,36-071
Two ring set "F" Engines

Replaces Lawn-Boy 682986, 92-4923
Piston has a small hole in the top. It is a compression release.