MTD Mower Blade part# 742-0621 supersedes to part# 942-0621. This walk behind mower blade is 21" long. The center hole has a diameter of 7/8". The two side mounting holes have a diameter of 3/8" and are 2-1/2" apart on center. Following is a list of some of the models that use this mower blade; 11A-410A000 and the same series, but ending with A084, A301, and A700. 11A-411A022 and the same series, but ending with A722, and B147. 11A-412A720, 11A-413A000 and the same series, but ending with A136, A304, A700, A704, A720, and A736. 11A-414A205, 11A-414A302, 11A-414C372, 11A-416F088, 11A-416F352, 11A-416F788, 11A-418N118, 11A-418N718, 11A-425A009, 11A-425A019, 11A-425A304, 11A-425A704, 11A-425A709, 11A-428C000, 11A-428C022, 11A-428C054 and the same series, but ending with C141, C302, C372, C700, C720, C722, and C754. 11A-428Q088 and 11A-428Q788. There may be models that use this part that we do not have listed here. Please refer to an owners manual or a parts break down to assure that this is the correct part for your particular model.
- Model: MTD0109
- 1 Units in Stock
