Murray 31200x50B Deck Belt: 37X55, 37X47
This is the belt that drives the blades.
Fits: Murray 31200x50B
Replaces: 37X55, 37X47, 1/2x91
tags: Murray 31200x50B deck belt, Murray 31200x50B blade belt, belt for blades on Murray 31200x50B, 31200 deck belt, murray 31200 blade belt, murray 31200 belt,