Up for sale is a new original Eska fuel pump element. 7/8" long
This is a common fix for engines that won't stay running for more than 30 seconds, your fuel may be leaking out your exhaust.
Eska part # 630953
May also work with some Sears, Ted Williams, Game Fisher, Hiawatha, JC Penny, Sea Cruiser and probably more that were based off of Tecumseh engines.