Seller notes

POSEIDON MARINE Vist Our Website: Oil seal for Johnson Evinrude High-quality marine engine spare parts. Marine grade stainless steel prop shaft oil sealReference to Johnson / Evinrude : 321481Sierra: 18-2029Internal diameter 0.6875" Most of you will already understand these basics of how an oil seal is designed but we wanted to put this tip out for people new to the field. In an oil seal environment, there is a shaft that is rotating inside a housing or bore. Because of friction, there must be s...

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