Sierra 18-2680 Lower Unit Seal KitSierra replacement lower unit seal kit for Johnson/Evinrude Outboards. Fits: Johnson/Evinrude 6HP 1967-68 (1967 "S" Suffix Only, 1968 "C" Suffix Only); Interchangeable with: GLM; 87616; Seal Kit Contains: 18-4248-9 Drain/Fill plug washer; 18-2891 Bearing housing gasket; 18-2534 Seal; 18-7100-9 O-ring; 18-7117 O-ring; 18-7120 O-ring; 18-2035 Oil seal; 18-2023 Oil seal;