MTD Replacement Part 21 Inch Grass Bag Genuine OEM MTD Part Replaces: 664-04007 , 664-04007A , 664-04011 , 664-04027 , 664-04034 , 664-04034A , 664-04034B , 664-04065 , 964-04007 , 964-04011 , 964-04034 , 964-04034A , 964-04034B , 964-04065 Bag Only-Fits frame 747-04080 not included