Dayco HPX5021 High Performance Extreme CVT Snowmobile Drive Belt

The Dayco HPX5021 is a High Performance Extreme (HPX) CVT drive belt engineered for high-horsepower snowmobile and powersports applications. Constructed with oversized p-aramid cords and CVT rubber compounding, this belt delivers the strength and durability required to withstand demanding engine RPMs and elevated operating temperatures.

Key Features:

• Top Cog® Design — Dayco's signature double-cog profile increases flexibility and extends belt life compared to flat-top designs
• P-Aramid Cord Construction — Oversized aramid cords provide exceptional tensile strength for high-horsepower applications
• CVT Rubber Compounding — Fiber-loaded polychloroprene compound resists heat and wear under severe operating conditions
• Cooler Running — Cog design dissipates heat more efficiently, reducing thermal stress on the belt and clutch system
• Maximum Horsepower Transfer — Improved flexibility minimizes energy loss between primary and secondary clutch
• Severe Terrain Tested — Validated in extreme conditions including swamps, rocky trails, hill climbs, and desert environments

Specifications:

• Outside Circumference: 47.625 in.
• Top Width: 1.438 in.
• Belt Style: CVT / Continuously Variable Transmission Drive Belt
• UPC: 036687316356

Cross-Reference / OEM Part Numbers: Polaris 3211074, Polaris 3211075, Carlisle 144-4740, 144-4740U4, XS816, EPISN708, 47C4651, 47G4651

The Dayco HPX5021 is a direct OEM-quality replacement manufactured to original specifications, making it a reliable choice for restoring or upgrading CVT-equipped powersports vehicles.