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Automotive spare part for outboard engines aiming to restore correct sealing and fit. The SouthMarine Cylinder Head Gasket matches listed OEM numbers for a straightforward fit on 2.5HP and 3.5HP two-stroke outboards. Will it be the right replacement for Tohatsu, Nissan and compatible Mercury applications?
⚡ At a Glance
- • Sealing Reliability: Made to match OEM fitment references 309-01005-1 and 30901-0051M for proper alignment
- • Best for: Owners of small two-stroke outboards, specifically 2.5HP and 3.5HP engines
- • Not ideal for: Larger outboards or four-stroke engines outside the listed compatibility
Fits OEM numbers 309-01005-1 and 30901-0051M for 2-stroke 2.5HP and 3.5HP outboards. Sold new with international terms that may affect labelling and instructions.
Straightforward OEM Fit – with listed OEM-number compatibility
Compatibility is specified against OEM numbers 309-01005-1 and 30901-0051M, indicating alignment with original mounting and sealing points. Fitment aims to match the original geometry used by the engine manufacturer.
A direct part-number match reduces guesswork during replacement and simplifies locating the correct gasket for the engine.
Restored Engine Sealing – with compatibility for 2-stroke 2.5HP and 3.5HP engines
Designed for two-stroke 2.5HP and 3.5HP powerheads, so sealing surfaces correspond to those specific engine families. Correct installation is implied by the declared engine compatibility.
Proper sealing helps limit leaks and supports steady running once the gasket is installed per workshop practices.
Clear Purchase Terms – with new condition and international supply note
Listed as new and accompanied by a seller notice that international items are sold from abroad and may differ from local products in fit, age ratings and labelling. Buyers should expect possible variations in packaging and instructions.
Check listings and seller terms before purchase to confirm compatibility and avoid surprises on receipt.
✨ The 4 Key Reasons for SouthMarine Cylinder Head Gasket
- New Condition – Fresh part reduces chance of corrosion or prior damage on arrival
- OEM Compatibility – Direct fitment to specified OEM numbers avoids trial-and-error fitting
- Compact Size – Small, straightforward component needs minimal storage and handling space
- International Supply Notice – Sellers may ship with different labelling or instructions than local units
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Fitment / OEM Number: 309-01005-1, 30901-0051M
- Engine Type: 2-stroke outboard, 2.5HP and 3.5HP
- Compatible Brands Mentioned: Tohatsu, Nissan, Mercury (Quicksilver/Mercruiser references)
- Condition: New
❓ Frequently Asked Questions
Q: Which engines does this fit?
A: Fits two-stroke outboard engines rated at 2.5HP and 3.5HP and is listed against OEM numbers 309-01005-1 and 30901-0051M.
Q: Is the part new or used?
A: Condition is stated as new in the product description.
Q: Are there any differences to watch for when ordering?
A: International products are sold from abroad and may differ from local items in fit, age ratings and labelling or instructions, so check the listing details before purchase.
🏆 Our Verdict
Ideal for owners and repairers of small two-stroke outboards who need a direct replacement matching the listed OEM references. OEM-number compatibility combined with new condition makes it a practical choice for restoring correct fit and sealing. Given the international supply notice, confirm compatibility and instructions upfront to ensure long-term value and avoid return hassles.
