The McCormick 6602421A2 Piston is a genuine replacement component designed for various agricultural machinery, including McCormick CX and MC series, Landini Legend, Powerfarm, and Vision series, and Massey Ferguson 5400 and 6400 series tractors. This piston features a 100 mm bore diameter, ensuring precise fitment and optimal engine performance. It is also cross-referenced with Perkins 4115P014, Landini 6602421A2, and Massey Ferguson 6602421A2, highlighting its broad compatibility within AGCO-affiliated brands.