The Tecumseh 34865 Piston & Pin Assembly is a genuine OEM replacement part designed for various Tecumseh small engines. This assembly features a .020 inch oversize specification (0.508 mm), ensuring a precise fit for engines requiring this dimension. It is compatible with numerous Tecumseh engine models including H30, H35, H40, H50, H60, H70, HH60, HH70, HS40, HS50, HS60, HS70, LAV35, LAV40, LAV50, TVS75, TVS90, TVS100, TVS105, TVS120, V40, V50, V60, V70, V80, VM80, and VM100. This essential component helps restore engine compression and performance.