Replacement Model Compatibility : This replacement model is specifically designed to fit AYP 42" decks equipped with a double idler pulley. It is compatible with a wide range of AYP model numbers including CHD145H42D, CLT4216B, CP14542A, CP14542B, CP14542C, CP1642A, CP18H42A, CS16H42B, and various CT12542 series models. Belt Replacement : The belt serves as a direct replacement for part numbers 144200, 24104, and 523144200, ensuring a seamless fit and functionality in the designated models. Model Compatibility : The belt is also compatible with specific Craftsman and Husqvarna lawn tractor models such as LR 12, LRH 125, LT 120, LT 125, LT 130, LTH 120, LTH 125, LTH 130, LTH 140, YTH 150, YTH 180, and YTH 190. Additionally, it is compatible with Husqvarna models like LR12, LT1538, LT120, LTH120, LTH130, YTH150, and YTH180. Brand Compatibility : This replacement belt is not limited to AYP models but also compatible with Craftsman and Husqvarna brands, providing versatility and convenience for users of these popular lawn and garden equipment manufacturers. Belt size : 1/2" width x 88" length.Please check the size or OEM model of the belt you need before purchasing. Lawn Mower Deck Belt Replaces OEM Model AYP 144200, 419271, 531007562, 532131290, 532144200, OEM-144200.