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The installation notes specify that Johnson/Evinrude gasket sealing compound (or an equivalent marine-grade sealant) is required on the gasket surfaces to ensure a watertight and durable seal
Hose clamps are not included and must be purchased separately or reused if your existing clamps are in good
removing any old debris or impeller fragments
This is a complete
Install the new cartridge insert
Universal 1/8" NPT Temperature Sender for Oil/Water Monitoring (0–150°C / 0–300°F) Boat Accessories The installation notes specify thatProduct Details This Universal 1 8" NPT Temperature Sender for Oil Water Monitoring (0150C 0300F) is a direct fit replacement for Mercury and Mariner outboard and inboard engines that require OEM part 12415. Engineered for accuracy, it monitors engine oil or water temperature to ensure your vessel operates within safe limits. It serves as a direct interchange for Mercury 12415 and Sierra 18 5896. Features a standard 1 8" NPT single wire threaded
