Lower Unit Gearcase Seal Kit – Fits Johnson/Evinrude 40HP, 48HP & 50HP 2-Stroke Outboards (Replaces 433550, 0777551) 3.3HP Re-secure the thermostat housing and

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

Connect the other end to the corresponding terminal on the distributor cap or coil

and all required seals and hardware

(and other 25/35 HP models) 25/35 2-Stroke 1978 375638

Lower Unit Gearcase Seal Kit – Fits Johnson/Evinrude 40HP, 48HP & 50HP 2-Stroke Outboards (Replaces 433550, 0777551) 3.3HP Re-secure the thermostat housing andProduct 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