DIESEL MANIFOLD GASKETS T20252 Fits John Deere 820 920 1020 1040 1520 2040 2240One New Aftermarket Replacement Exhaust Manifold Gasket Set Fits John Deere 3 Cylinder Diesel Tractors This aftermarket replacement exhaust manifold gasket set is designed Fits John Deere 3 cylinder diesel tractors equipped with vertical exhaust. The set includes three individual exhaust manifold gaskets that seal the exhaust manifold to the cylinder head on engines using the T20252 style manifold. Each gasket features 3 inch center to center mounting