MTD 631-05178 Mulch Plug Assembly for Troy-Bilt & Craftsman Xtreme S 54-inch Mulch Kit

Genuine OEM MTD part number 631-05178. Mulch plug assembly built for MTD 54 inch Mulch Kit and Xtreme S models (also used on compatible Troy-Bilt and Craftsman equipment). Please consult your original equipment owner's manual to confirm compatibility before purchasing.