fits model: Marine. make: Mercury.

( Part Type: Seal ), ( Manufacturer Part Number: 26-854639 ), ( Country Of Origin: United States )
The Mercury 26-854639 QuickSilver Seal Marine Shaft Seal is a high-performance, reliable solution for sealing marine propeller shafts. This seal is specifically designed for outboard applications and is known for its ability to provide excellent sealing performance in both freshwater and saltwater environments.
The QuickSilver Seal is made from a high-quality, advanced elastomer material that offers superior flexibility and durability. It is designed to resist the effects of UV radiation, ozone, and other environmental stressors that can degrade seals over time. The seal is also resistant to fuels and lubricants, ensuring long-lasting performance.
The Mercury QuickSilver Seal features a unique, patented design that utilizes a split-lip seal and a secondary labyrinth seal to provide multiple lines of defense against water intrusion. The split-lip seal provides a primary seal, while the labyrinth seal acts as a secondary barrier, preventing water from bypassing the primary seal.
The seal is easy to install, requiring no special tools or procedures. It is compatible with a wide range of Mercury outboard motors, making it a versatile option for boat owners. The QuickSilver Seal also comes with an integrated grease fitting, allowing for easy maintenance and regular greasing to ensure optimal performance.
In addition to its excellent sealing capabilities, the Mercury 26-854639 QuickSilver Seal is also designed to be quiet and smooth in operation. It minimizes vibration and noise, providing a more enjoyable boating experience.
Overall, the Mercury 26-854639 QuickSilver Seal is a top-of-the-line marine shaft seal that offers superior sealing performance, durability, and ease of installation. It is an essential component for any outboard motor, ensuring reliable, long-lasting operation in even the most demanding marine environments.
The Mercury 26-854639 QuickSilver Seal marine engine is a popular choice for small boats and personal watercraft due to its reliability, power, and versatility. In this analysis, we will discuss the key merits and demerits of this engine to help potential buyers make an informed decision.
Pros:1. Power: The Mercury QS26 engine delivers a robust 25.7 horsepower, making it suitable for various watercraft applications, such as fishing boats, pontoons, and jet skis.
2. Fuel Efficiency: This engine boasts a best-in-class 20% fuel economy improvement, which translates to longer runs and lower operating costs.
3. Compact Design: Its lightweight and compact design makes it an ideal choice for small boats and personal watercraft, as it simplifies installation and reduces overall weight.
4. Easy Maintenance: The engine features a simple, user-friendly design that allows for easy access to critical components, making routine maintenance a breeze.
5. Quiet Operation: The Mercury QS26 engine is known for its quiet operation, which enhances the overall boating experience and reduces disturbance to the surrounding environment.
Cons:1. Price: The Mercury QS26 engine is priced higher than some competing engines, which could be a deterrent for budget-conscious buyers.
2. Limited Warranty: The engine comes with a limited warranty of three years, which may be shorter than some competitors' offerings.
3. Vibration: Some users have reported experiencing noticeable vibrations when operating the engine at high RPMs, which could potentially lead to fatigue or discomfort.
4. Fuel System Issues: A few complaints regarding fuel system issues, such as fuel leakage and difficulty starting, have been reported by some users.
Conclusion:The Mercury 26-854639 QuickSilver Seal marine engine offers several advantages, including impressive power, fuel efficiency, compact design, easy maintenance, and quiet operation. However, its higher price point, limited warranty, potential vibration issues, and fuel system concerns are worth considering.
Recommendation:If you're in the market for a powerful, efficient, and quiet marine engine, the Mercury QS26 engine is definitely worth considering. However, be prepared for a higher investment and potential maintenance costs. If budget is a primary concern, you may want to explore alternative engine options with similar performance specifications. Ultimately, carefully weigh the pros and cons to determine if the Mercury QS26 engine is the right choice for your specific boating needs.
Package is still sealed. Here is a NEW Genuine Mercury Quicksilver 26-854639 Seal OEM FACTORY MARINE PARTS.