The Piston Rod End (OEM Part No. 3128301389) is a wear part compatible with Simba M4C, Simba E70, Simba E7C, Simba M40S, Simba H1354, SIMBA H1254, and ROC PRT50 drilling rigs. Made from high-strength alloy steel, it is designed for installation in hydraulic or feed cylinder systems at the piston rod connection (load transfer) position. The component ensures reliable force transmission, smooth motion, and secure load transfer between the piston and connected mechanisms. Its durable, wear-resistant construction delivers long-lasting performance under demanding underground drilling conditions, maintaining operational efficiency, mechanical integrity, and safe cylinder actuation.