Gearcase Drain Plug Seal – Fits Mercury/Mariner/MerCruiser Marine Engines (Replaces 26-830749, 8M0204693) family-yamaha-c90tlrx 90758-ZW1-B00 (Cotter Pin) × 1

90758-ZW1-B00 (Cotter Pin) × 1

Water Pump Impeller Kit – Fits Yamaha 4HP/5HP 2-Stroke

Once it's secure

Clean the threads on the manifold to ensure a good seal

Thermostat Replacement: Locate the thermostat housing on the cylinder head

Gearcase Drain Plug Seal – Fits Mercury/Mariner/MerCruiser Marine Engines (Replaces 26-830749, 8M0204693) family-yamaha-c90tlrx 90758-ZW1-B00 (Cotter Pin) × 1Gearcase Drain Plug Seal Fits Mercury Mariner MerCruiser Marine Engines (Replaces 26 830749, 8M0204693) This gearcase drain plug seal is designed for use with a wide range of Mercury Mariner outboard engines and MerCruiser sterndrive units. It functions as a critical sealing washer for the gearcase drain and fill plugs, preventing gear oil leakage from the lower unit and protecting it from water intrusion. This component is a direct replacement for