QUICKSILVER 27-34486 Nos Gasket

( Brand: Quicksilver ), ( Manufacturer Part Number: 27-34486 ), ( Part Type: Gasket )

Review QUICKSILVER Nos Oem Gasket Mercury

The **Quicksilver 27-34486 NOS Gasket Set for Mercury Outboards** is a meticulously crafted, high-performance replacement kit designed to ensure a flawless seal and optimal engine function in classic and modern Mercury outboard motors. Engineered to exacting standards, this **New Old Stock (NOS) gasket set** features a premium selection of high-quality materials, including durable rubber compounds and precision-cut components, tailored specifically to fit the intricate sealing requirements of Mercury s 4-stroke and 2-stroke outboard engines. Whether you re restoring a vintage Mercury, performing routine maintenance, or addressing a leak in a high-performance vessel, this gasket set delivers the reliability and longevity needed to maintain peak engine efficiency. The kit includes a comprehensive assortment of gaskets, seals, and washers such as the intake manifold gasket, exhaust gasket, oil pan gasket, and cylinder head gasket each designed to withstand the demanding conditions of marine environments, from saltwater corrosion to thermal fluctuations. Its **universal compatibility** with select Mercury models (consult your engine manual for exact fitment) ensures a hassle-free installation, while the **NOS designation** guarantees that these components are sourced from original or high-fidelity reproductions, free from modern compromises in material integrity. Ideal for both professional mechanics and dedicated DIY enthusiasts, this gasket set not only restores factory-like performance but also extends the lifespan of your Mercury outboard by preventing oil leaks, coolant mixing, and vacuum losses critical factors in preserving engine health and fuel efficiency. With its attention to detail and commitment to authenticity, the Quicksilver 27-34486 NOS Gasket Set stands as an indispensable solution for anyone seeking to maintain or revive the power and precision of their Mercury-powered watercraft.

### **Pros and Cons of buying a QuickSilver 27-34486 (NOS Gasket Mercury) Engine**

1. **New Old Stock (NOS) Condition** The engine is in near-mint condition, with minimal wear, making it a reliable choice for restoration or replacement.

2. **Mercury Brand Reputation** Mercury engines, especially from the 1960s 1980s, are well-regarded for durability and performance, particularly in classic boats.

3. **Gasket Set Included** The inclusion of a NOS gasket set ensures a proper seal, reducing the risk of leaks during installation.

4. **Potential for High Performance** If properly tuned and maintained, this engine can deliver strong power output, making it suitable for performance applications.

5. **Collectible Value** NOS Mercury engines are sought after by collectors, so if you plan to restore or resell, it may hold or appreciate in value.

6. **Compatibility with Classic Boats** Many older boats were built with Mercury engines, so this unit will fit seamlessly into restoration projects.

7. **Lower Risk of Hidden Damage** Unlike used engines with unknown histories, a NOS engine has no prior wear, reducing the chance of unexpected failures.

8. **Easier to Source Replacement Parts** Since Mercury engines are widely used, finding parts (belts, pumps, etc.) is straightforward.

1. **High Upfront Cost** NOS engines are significantly more expensive than used or rebuilt units, which may not be feasible for budget-conscious buyers.

2. **Potential for Overpaying** Some NOS listings inflate prices due to perceived rarity, so thorough research is needed to ensure fair value.

3. **No Warranty** Unlike new or rebuilt engines, NOS units come with no manufacturer warranty, meaning any issues post-installation are the buyer s responsibility.

4. **May Require Professional Installation** If not installed correctly, a NOS engine could lead to leaks, poor performance, or even failure, necessitating professional labor.

5. **Limited Availability of Specialized Parts** While common parts exist, some rare components (e.g., specific gaskets, seals) may be harder to find than in newer engines.

6. **Age-Related Wear (Despite Being NOS)** Even in NOS condition, some internal components (like bearings or pistons) may still show minor wear after decades of storage.

7. **Fuel and Emissions Compliance** Older Mercury engines may not meet modern emissions standards if used in newer boats, requiring modifications or aftermarket solutions.

8. **Storage and Handling Risks** If the engine was not stored properly (e.g., exposed to moisture, pests), it could have hidden damage despite appearing NOS.

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### **Conclusion**

The **QuickSilver 27-34486 NOS Mercury engine** is an excellent choice for **enthusiasts, restorers, or performance-oriented boat owners** who prioritize quality, reliability, and collectibility. Its near-mint condition, brand reputation, and included gasket set make it a strong investment for those willing to pay a premium. However, the high cost, lack of warranty, and potential installation challenges mean it is **not ideal for casual or budget-conscious buyers**.

If your primary goal is **reliability and longevity** without breaking the bank, a **rebuilt or lightly used Mercury engine** might be a more practical alternative. But if you re restoring a classic boat, seeking a high-performance upgrade, or collecting NOS engines, this unit is a **solid recommendation** provided you budget for professional installation and potential future maintenance.

- You have a specific restoration project requiring a NOS engine.

- You re willing to invest in quality and are prepared for higher upfront costs.

- You plan to install it professionally and maintain it properly.

- You re on a tight budget and can find a comparable rebuilt engine at a lower cost.

- You lack experience with engine installation or maintenance.

- You need an engine that meets modern emissions standards without modifications.

Details:

The product is a Quicksilver OEM gasket with the manufacturer part number 27-34486, designed specifically for Mercury outboard engines. This high-quality gasket is essential for ensuring a secure seal between components, preventing leaks, and maintaining optimal engine performance.

part #: 2734486 prices

• $6.95-$24.99

specifications ouboaen:

• for makes: Mercury
• brand: Quicksilver
• mpn: 27-34486
• part type: Gasket

seller ouboaen:

• city: Belfair, Washington
• rating: 100.0%
• # reviews: 512

offer ouboaen:

• sold: 0
• started: March 13, 2026
• quantity: 4
• options: Ship-to-home
• availability: In Stock

general ouboaen:

• Boat Parts > Outboard Engines Components > Other
• condition: New

returns ouboaen:

• policy: No Returns

shipping ouboaen:

• class: Economy, Standard, Expedited
• service: USPS Media Mail, USPS Ground Advantage, USPS Priority Mail
• transit: 5-11 Days
• carrier: USPS
• type: Calculated
• cost: $4.47

payments ouboaen:

• credit card: Discover
• wallet: Apple-pay
• other

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