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Yamaha (75-250 HP
2 x Gaskets (27-993261)
and we can help confirm the correct fitment
351 Various 4-Stroke D5MZ8502 Ilmor 5
Shift the sterndrive into the forward gear position
Thermostat Cover Gasket – Fits Mercury Marine 200-300 HP (Replaces 27-850318, 27-8503181) 170-350HP Yamaha (75-250 HPProduct Details This Thermostat Cover Gasket Fits Mercury Marine 200 300 HP Outboard Motors ensures a proper seal for your engine's cooling system. It is designed for a wide range of Mercury Marine V6 outboard engines from 200 HP to 300 HP, including 2. 5L and 3. 0L models, as well as 250 HP SportJet DFI Jet Drives. This part directly replaces Mercury Marine part numbers 27 850318 and 27 8503181, Sierra 18 3675, and GLM 516 39, providing a reliable
