This is an aftermarket replacement mulching blade, part number 3323NO, specifically designed as a high-quality alternative to the original John Deere M149422 blade. Engineered for efficient grass mulching, this non-OEM blade helps maintain a pristine lawn finish by finely cutting and redistributing grass clippings, returning vital nutrients to the soil. It is a compatible part for various John Deere models, offering a reliable and cost-effective solution for your mowing needs. Crafted to precise specifications, this replacement blade measures approximately 17.00 inches (432 mm) in length, 2.50 inches (63.5 mm) in width, and 0.20 inches (5.1 mm) in thickness, with a center hole diameter of 0.81 inches (20.6 mm). These dimensions ensure a perfect fit and optimal performance on various John Deere lawn tractors equipped with a 48C mower deck. Compatible John Deere models include, but are not limited to, the GT225, GT235, GT245, LX277, LX280, X465, X475, X485, X495, X575, X585, X595, 345, 355D, F620, F680, F687, F735, GX255, GX325, GX335, GX345, GX355, SST18, Z425, Z445, Z465, Z645, Z655, and Z665 series. Choosing this aftermarket blade provides a cost-effective solution without compromising on cutting quality or durability. It's built to withstand rigorous use, offering reliable performance season after season for your John Deere mowing equipment. Ensure your mower deck is a 48C for proper fitment.