New Open Box: This replacement piston gets your engine back to running smooth and strong, so you can focus on the work instead of worrying about breakdowns. Precision-cast aluminum alloy construction that handles the heat and pressure of hard work. Proper ring groove dimensions for tight compression and oil control. Wrist pin bore machined to exact tolerances for smooth operation. OEM-quality design that meets original specifications. Built for Real Farm Work. This piston is designed for International Harvester engines and is commonly used in rebuild kits with matching rings and pins. Whether you’re rebuilding a vintage IH tractor or doing maintenance on newer Case IH equipment, this piston is built to handle the demands of daily farm operations from plowing and planting to harvest time. Farm engines work hard in tough conditions, and this piston is engineered to take it. The aluminum alloy construction provides excellent heat dissipation while staying lightweight, and the precision machining ensures proper clearances that prevent scuffing and scoring even under heavy loads. When installing, pay close attention to ring orientation and gap specifications-getting these details right makes the difference between a rebuild that lasts and one that comes apart too soon. This item is a suitable alternative for the following.