Marine Drain Screw Gaskets

Drain screw & gasket fits MerCruiser I, R, MR, Alpha One, TR, TRS and all outboards with 3/8-16 non-magnetic gear lube fill or vent screws.

Part Number: QSV-79953Q04

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Estimated Ship Date: Today

Drain Screw Gasket for the 3/8-16 drain/fill screw on all MerCruiser and most Mercury/Mariner outboards except Verado and those of Japanese origin.

Part Number: QSV-19183Q02

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Estimated Ship Date: Today

Lower unit drain screw and seal used on all MerCruiser sterndrives, Mercury/Mariner outboards except the Verado series.

Part Number: QSV-8M0058389

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Estimated Ship Date: Today

Lower unit drain screw and seal is used with 8x1.25 metric drain/fill hole screw on all Mercury/Mariner outboards made in Japan.

Part Number: QSV-8M0083059

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Estimated Ship Date: Today

Drain Screw Gasket, Composite, Mercury Marine, Pair

Part Number: RRA-18-2945-9

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Estimated Ship Date: Feb 24, 2026 if ordered today

• Drop Ship
• Special Order