GENUINE MERCURY REPLACEMENT PART
NOT SOLD SEPARATE
Part no. NSS
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Check compatibility first.
The model name alone may not be enough; the same model uses different parts across serial ranges.
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- Brand
- Mercury Marine
- Product group
- Gaskets & Seals
- Part number
- NSS
KNOW THE PART BETTER
Make the choice clear.
Gaskets and o-rings usually come as kits (cover set, powerhead set) rather than single pieces. Locate the area to be opened in the illustrated catalog.
Explore inside the engineHave this ready when asking for a quote
Engine serial number, which area will be opened (gearcase, cover, powerhead) and the old kit code if known.
Used on these engines
- 500R HP 4.6L V8 Racing — Cylinder BlockPos. 1 · qty 1 · go to diagram →
- 500 HP 7.6L V12 SeaPro — Electrical Plate AssemblyPos. - · qty 1 · go to diagram →
- 450R HP 4.6L V8 Racing — Cylinder BlockPos. 1 · qty 1 · go to diagram →
- 360 HP 4.6L V8 APX — Intake SystemPos. 1 · qty 1 · go to diagram →
- 350 HP 2.6L L6 Verado — Tie Bar Kit Rear Mount (Factory Installed)Pos. - · qty 1 · go to diagram →
- 350 HP 2.6L L6 Verado — Power Trim/Transom AssemblyPos. - · qty 1 · go to diagram →
- 350 HP 2.6L L6 Verado — Electrical Box ComponentsPos. - · qty 1 · go to diagram →
- 350 HP SCi Verado — Power Trim/Steering CylinderPos. - · qty 1 · go to diagram →
- 350 HP SCi Verado — Electrical Box ComponentsPos. - · qty 1 · go to diagram →
- 250 4.6L V8 APX — Long Block Assembly ComponentsPos. 1 · qty 1 · go to diagram →