A-M408T-AI ManifoldOne New Aftermarket Replacement Intake Exhaust Manifold Fits John Deere Tractors This combined intake and exhaust manifold is a direct fit aftermarket replacement Fits John Deere 2 cylinder gasoline tractors. The manifold channels the air fuel mixture into the engine and routes exhaust gases out, and is a critical component for proper engine performance on these classic Fits John Deere models. Specifications Type: Combined Intake Exhaust Manifold