Description IH mower conditioner tooth, double for mower conditioners: 990, 1190, 1490, 1590. Also fits New Idea mower conditioners: 507, 509, 512, 514, 5107, 5109, 5112, 5114. This item is a suitable alternative for the following: 540565R1, 804-540565, 804-540565R1, 804-IH-2G, 804IH2G, 894419, IH-2G, IH2G