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High Capacity V-Belt (Standard); HC31-5/16 x 45-1/4

XL® V-Belts are replacement belts for the most demanding engine drives. Due to thermal forces, this variable notched belt tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

  • Fiber-loaded rubber stock puts more flexibility along the length of the belt, yet gives the belt greater lateral stability in the pulley.
  • Thermally active tensile cords for maintenance-free performance when properly installed and tensioned.
  • Form ground to ensure precise top width and sidewall dimensional control for proper fit in pulley as well as a smoother, quieter running belt.
  • Meets or exceeds SAE J636c specifications.
Top Width (in).325
Top Width (mm)8
Outside Circumference (in)45.28
Outside Circumference (mm)1150
Alternate/OEM Part Number(s): 11502031, 2511432, 257449, 423493, 8A1145, 9433844, RECFM8875, RECFM8880

Closeout Inventory Warranty Information:
Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).

GATES Regular Inventory Warranty Information:
Limited lifetime
Warranty Details