The McCormick U5LL0029 Piston Assembly is a genuine OEM component designed for various McCormick and Massey Ferguson agricultural machinery equipped with Perkins engines. This high-quality piston features a 95mm bore, 38mm pin diameter, and 95mm overall length, ensuring precise fit and reliable engine performance. It is also suitable for a wide range of Perkins 1000 and 1100 series engines. Confirmed fitment includes McCormick CX, MC, MTX series and numerous Massey Ferguson 3000, 4000, 5000, 6000, 7000, and 8000 series tractors.