Lower Unit Gearcase Seal Kit – Fits Johnson/Evinrude 40HP, 48HP & 50HP 2-Stroke Outboards (Replaces 433550, 0777551) 3.3HP such as an oil filter

such as an oil filter wrench and a drain pan

Liberally lubricate the inside of the new pump housing and the impeller with silicone grease or dish soap

then carefully detach the lower unit

318335 2 gasket sets required per engine V4 Crossflow 75 2-Stroke 1960–1965 318358

Re-secure the thermostat housing and tighten bolts to the manufacturer's recommended torque

Lower Unit Gearcase Seal Kit – Fits Johnson/Evinrude 40HP, 48HP & 50HP 2-Stroke Outboards (Replaces 433550, 0777551) 3.3HP such as an oil filterProduct Details This Lower Unit Gearcase Seal Kit is designed to service the gearcases of Johnson and Evinrude 40HP, 48HP, and 50HP 2 stroke outboard engines manufactured from 1989 to 2005. It provides all necessary seals and gaskets to restore watertight integrity and prevent leaks. The kit serves as a direct interchange for several OEM and aftermarket part numbers, including Sierra 18 2694, GLM 87614, and Mallory 9 74104. Installs as a direct OEM