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Gasket, open. Fits center riser Mercruiser.
Gasket, open. Fits center riser Mercruiser.

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Gasket, open. Fits center riser Mercruiser. Common use is at base of spacer block along with 8503-GR at riser. Allows spacer to fill with water. Replaces Mercruiser # 27-87105.

SKU: OSC8503-GO
Price: $5.41 


Quantity:   

Osco RISER MERCRUISER #98503
Osco RISER 3" MERCRUISER #98503
Osco RISER4
Mercruiser Osco RISER 4", 7º down angle.
   

Gasket, blocked. 27-41811
Gasket, blocked. 27-41811
Mounting Kit, riser. Fits 8503A riser.
Mounting Kit, riser. Fits 8503A riser.
Osco RISER 3
Osco RISER 3" MERCRUISER #98503
Seloc Manual Mercury Mariner Outboard 1965-1989
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