fits model: Astro. make: Yamaha.

( Manufacturer Part Number: OS-1351 ), ( Part Type: Oil Seal )
The OS-1351 Oil Seal is a crucial component of the driveline system in various Yamaha watercraft models, specifically those used in the Astro series with an unlimited class rating. The oil seal plays a significant role in preventing oil leakage from the driveline, ensuring the watercraft runs smoothly and efficiently.
This high-performance oil seal is manufactured with precision and made from premium materials, which offers superior sealing capabilities and long-lasting durability. The outer part of the OS-1351 Oil Seal is made from a customized elastomer compound that offers excellent resistance to wear, tear, and the harsh marine environment. The inner lip of the seal is designed to provide a tight seal against the rotating shaft, preventing any oil from escaping.
The cross-sectional design of the OS-1351 Oil Seal is crucial to its performance. It features a precise sealing surface that ensures a tight and consistent seal against the shaft, even under heavy loads and high-speed operations. The shaft diameter measurement for this oil seal is 1.351 inches, making it suitable for Yamaha watercraft models with corresponding dimensions.
The oil seal comes packaged with mounting hardware, which simplifies the installation process for the user. The hardware includes mounting tiles and fasteners, which provides a secure and reliable attachment to the watercraft's driveline housing. Detailed installation instructions are also included to ensure a correct and successful installation.
The OS-1351 Oil Seal is the ideal solution for Yamaha Astro watercraft with unlimited class ratings that experience regular use or demanding operations, ensuring reliable and efficient performance while minimizing downtime for maintenance. Therefore, it is a valuable investment for those seeking peak performance and longevity for their high-performance watercraft.
Background: An oil seal is a vital component of an engine's Differential or Transmission Seal System. The OS-1351 oil seal is a popular choice for use in Yamaha Astro engines. This analysis outlines the benefits and drawbacks of purchasing an OS-1351 oil seal.
Pros:1. Excellent Sealing Capability: The OS-1351 oil seal provides excellent sealing performance, keeping engine oil contained and preventing unwanted contaminants from entering the engine. This leads to improved engine efficiency and longevity.
2. High-Quality Material: Made of high-quality, durable materials, these oil seals can stand up to the demands of continuous engine operation and harsh operating conditions.
3. Wide Availability: The OS-1351 oil seal is readily available from various automotive parts retailers, allowing for easy replacement when needed.
Cons:1. Potential Need for Special Tools: Depending on the specific engine and accessibility, installing the OS-1351 oil seal may require the use of specialized tools, increasing the cost and complexity of the job.
2. Labor Costs: If you don't have the experience or tools to install the oil seal yourself, you may need to hire a professional mechanic, which could add significantly to the overall cost.
3. Potential for Leaks: Although the OS-1351 oil seal is known for its sealing ability, it is still possible for leaks to occur, especially if the engine has defects or wear. Regular inspections and maintenance are essential to prevent leaks and extend the life of the oil seal.
Conclusion:The OS-1351 oil seal is a reliable and effective choice for sealing applications in Yamaha Astro engines. Its excellent sealing capability, high-quality materials, and wide availability make it a solid investment. However, potential costs associated with installation, labor, and potential leaks should be considered. Ultimately, the decision to purchase an OS-1351 oil seal depends on the individual's budget, vehicle usage, and comfort level with DIY repairs or seeking professional help.
Recommendation:If you are comfortable with the potential costs and have the necessary tools, replacing the oil seal yourself could save you money. Alternatively, consider hiring a professional mechanic for the installation to ensure a proper fit and eliminate the risk of causing further damage to the engine. Proper maintenance practices, such as regular oil changes and engine inspections, can help minimize the need for oil seal replacements and extend the overall life of your Yamaha Astro engine.
Free shipping within the 48 continental us states. Goes to machines: sno-jet Yamaha mag - Astro SS, SST and others. This is a oil seal snowmobile Yamaha Astro and other machines oem os see list below.