Alpha 1 Gen 1 part number for water tube bushing

Does anyone know the part number for this. Its the rubber bushing that goes around the water tube that goes through the transom.

Thank You

for the 3/4 hose its 416751 if its the smaller hose 5/8 28055 that might be the same as the MC1 hyr cylinder bushing 89574

tks for the number

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