384290R21 Exhaust Manifold Fits International 460 560 656 706 806 TractorsOne New Aftermarket Replacement Fits International Fits FARMALL Exhaust Manifold that fits Tractor Models: 666, 686, 706, 756, 766, 806, 826, 856, 2706, 2756, 2826, 2856, Hydro 70, Hydro 86 with a Gas Engine *For models 656, 460 & 560, you must cut a hole in the hood, or you can order an offset exhaust adaptor separately Combine Models: 303, 403, 503, 615, 715 (gas) Please Note: Does NOT come with gasket If you have a 460, 560, 606, 660, 2606 or 3616,