This aftermarket replacement lawn mower blade, identified by part number 6485NO, is specifically engineered for 107 CM (42-inch) rear eject cutting decks. Commonly found on various lawn tractors and zero-turn mowers from brands like AYP, Husqvarna, Craftsman, and Poulan, this blade offers a reliable and cost-effective alternative to original equipment manufacturer (OEM) parts. Designed for optimal performance in rear discharge systems, this left-hand blade ensures efficient grass cutting and proper ejection, contributing to a cleaner, more manicured lawn finish. It features a robust construction for enhanced durability and consistent cutting performance over time. The blade typically measures around 21-1/4 inches (approximately 53.8 cm) in length and incorporates a star-shaped center hole for secure and precise mounting. As a non-OEM component, the 6485NO replacement blade serves as an excellent substitute for original part numbers such as Husqvarna 138498, 138971, 532138498, and 532138971. To ensure perfect compatibility, it is always recommended to verify your mower's specific requirements and compare the dimensions of your existing blade before purchasing this aftermarket cutting solution. Restore your mower's cutting efficiency with this dependable aftermarket blade.