Powerhead Base Gasket for Mercury / Mariner 2.2HP–3.3HP 2-Stroke Outboards

High-quality powerhead base gasket, suitable for Mercury and Mariner 2-stroke outboards from 2.2HP to 3.3HP. This part ensures a reliable seal between the crankcase and cylinder block — essential for proper compression and performance.

Fits the following Mercury / Mariner 2-stroke outboards:
• 2.2HP
• 2.5HP
• 3.3HP

Supersedes Quicksilver Part Number:
• 27-815076002

Genuine Tohatsu Manufactured Part
• Tohatsu was the OEM manufacturer for many small Mercury/Mariner engines
• This is a factory-quality gasket compatible with your engine

Product Features:
• Genuine Tohatsu powerhead base gasket
• Marine-grade material for durability
• Maintains proper compression and prevents leaks
• Direct fit — easy installation
• Suitable for service, rebuilds, or preventative maintenance

Please check compatibility before purchasing.
It is the buyer’s responsibility to ensure this part fits their engine.
If unsure, contact us — our SSI Marine team is happy to help!

Why Buy from SSI Marine?
• Genuine and aftermarket marine parts at great prices
• UK stock — same-day dispatch before 1 PM
• Tracked 24-hour delivery
• Expert customer support from marine specialists

Order now from SSI Marine — your trusted UK supplier for Mercury outboard gaskets and parts.

2.2 2.5 3.3 HP 2-Stroke Mercury Mariner Outboard Powerhead base gasket