Description This high‑quality Deck Pulley (SKU B1AY31) is a direct replacement for OEM part AYP 153531 and many others, including Husqvarna 532 12 96-06. With an outer diameter of 4-5/8" (117.48mm) and a splined inner diameter of 5/8" (15.88mm), it is built to deliver reliable performance on a wide range of lawn tractors and zero‑turn mowers. Manufactured to exacting standards, this pulley ensures smooth belt operation and long‑lasting durability. Features Precision‑engineered splined bore for a secure fit and reduced wear. Rust‑resistant finish extends service life in tough outdoor conditions. Simple bolt‑on installation saves time and effort. Specifications SKU B1AY31 OEM AYP 153531, 129207, 173434, Husqvarna 532 12 96-06, 532 15 35-32, 532 17 34-35 GA Spares - Stens # 275-288 Measurements O.D 4-5/8" (117.48mm); Splined I.D 5/8" (15.88mm); Height 7/8" (22.22mm) Fits Husqvarna / AYP lawn tractors and zero‑turn mowers Craftsman / Poulan / Weed Eater models using AYP 153531 Replaces Stens 275-288 and equivalent pulleys Product Line Deck Pulleys – replacement pulleys for mower decks, designed to maintain proper belt tension and drive efficiency.