2-pc Intake Exhaust Manifold Fits John Deere Tractor 520 530Two Piece Aftermarket Replacement Intake and Exhaust Manifold Fits John Deere Tractors This two piece aftermarket replacement intake and exhaust manifold set Fits John Deere 520 and 530 gasoline tractors. The combined intake exhaust manifold design routes both air intake and exhaust gases through a single cast iron assembly, and this set includes both pieces needed for a complete installation. Compatible with the heat exchanger (B3213R) and clamp