2-PACK 742-05576 BLADE 21.23 2N1 MTD Craftsman Cub Cadet Troy-Bilt 42" Decks.

Replaces 742P05528,742-05576, 742-05576-0637

Part number 742P05528 has been replaced by 742-05576.  The new part number is shaped a little different, a little more heavy duty, but is the correct blade for the 42" decks with the s-shaped center hole.

A14