48-In Deck Mulching Mower Blade for Riding Lawn 3 -Pack 173921, 532173921, 532 17 39-21

MaxPower's 561735XB includes 3 commercial mulching blades for a 48-in cut Craftsman, Husqvarna, and Poulan mowers. These blades replace OEM numbers 173921, 532173921 and 5321739-21. Each blade measures 16-5/8-in L x 2-1/2-in W and with a 5-point star center hole. Commercial mulching blades feature greater cutting surface for increased mulching performance, sharpened cutting teeth for a precision cut, and a centrifugal air lift design for uniform chopping distribution. Check your owner's manual to verify that the OEM number of the blade being replaced matches one of the OEM numbers provided for this item. Maxpower blades are manufactured to meet or exceed OEM specifications. Proudly made in the USA.