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Ultimax Snowmobile Belt- 138-4416U4

Ultimax PRO delivers optimum performance and belt life to mid-horsepower snowmobiles. Engineered specifically for your machine, Ultimax PRO features a thicker cross section to increase surface area to the clutch. This means less slippage over a broader speed range for quicker acceleration. The cog design provides strength, dissipates heat and aids flexibility to deliver enhanced performance, with increased lifespan.
  • Fiber-loaded rubber and strong aramid fiber cord construction grips the clutch and maintains performance without stretching
  • Fifth generation belt with decades of refinement and steady improvements
  • Top and bottom cog provide greater cord support for increased output
  • Runs cooler to handle the power of today's machines

The Ultimax Snowmobile Belt 138-4416U4 is engineered to deliver optimal performance and durability for mid-horsepower snowmobiles. Crafted with a thicker cross section, this belt increases surface area to the clutch, resulting in less slippage across a broad range of speeds and enabling quicker acceleration. Its advanced cog design enhances strength, dissipates heat efficiently, and maintains flexibility, which collectively contribute to improved performance and extended belt lifespan. Whether you're tackling challenging terrains or maintaining consistent high speeds, this belt ensures reliable power transfer and durability.


  • Fiber-loaded rubber and strong aramid fiber cord construction: grips the clutch securely and maintains performance without stretching over time.

  • Fifth-generation belt: built upon decades of refinement and continuous improvements for superior reliability and efficiency.

  • Top and bottom cog design: provides greater cord support, handling increased output and ensuring consistent operation.

  • Runs cooler: designed to manage the power demands of modern snowmobiles, reducing heat buildup for longer belt life.

Suitable for a variety of mid-horsepower snowmobiles, the Ultimax PRO belt offers enhanced acceleration, increased durability, and dependable performance in demanding winter conditions. Trust Ultimax's expertise in powersports components to keep your snowmobile operating at its best, with a belt engineered for longevity and consistent performance under the toughest conditions.