The Kubota W21TS07172 Seat Cushion Assy is a genuine OEM replacement part designed for optimal operator comfort and support in various Kubota agricultural and compact tractors. This durable cushion assembly is specifically engineered to fit models across the Kubota BX, B, L, LX, and MX series, including BX1880, BX2380, BX2680, BX23S, BX26S, B2301HSD, B2301HSD-1, B2601HSD, B2601HSD-1, L2501D, L2501F, L2501H, L3301D, L3301F, L3301H, L3901D, L3901F, L3901H, L4701D, L4701F, L4701H, LX2610HSD, LX3310HSD, LX3310HSDC, MX4800F, MX4800H, MX5200F, MX5200H, and MX5800H. It provides essential cushioning to reduce fatigue during long operating hours, maintaining the original equipment's quality and fit.