The Iseki V81720005300 is a genuine OEM trapezoidal V-Belt, type SB53, specifically engineered for reliable power transmission in various Iseki SXG series lawn and garden tractors. This high-quality belt features an external length (La) of 1370 mm, a primitive length (Lp) of 1346 mm, an internal length (Li) of 1320 mm, a width of 16.5 mm, and a height of 10 mm, ensuring a precise fit and long-lasting performance in demanding agricultural and landscaping applications.