One (1) New Replacement Manifold for Massey Ferguson Tractors Model(s): TE20 with Continental Engine when using TO20, TO20, TO30 Exhaust Technical Information: Made from Ductile Iron This manifold is exactly the same as the original No adapter required for installation Ductile Iron has superior corrosion resistance, tensile strength, and yield strength. Unlike cast (gray) iron, Ductile Iron will not break when bent. Replaces Part Number(s): 1077789M1, 1750343M91, Z129E501, Z120E500