The Case-IH K949474GV Piston is a genuine OEM replacement component designed for optimal engine performance and durability in a wide range of Case IH agricultural and construction equipment. This piston is compatible with Case IH 5120, 5130, 5140, 5220, 5230, 5240, 5250 series tractors, 1620, 1640, 2144, 2344 series combines, and other machinery including cotton pickers, windrowers, loader backhoes, and trenchers. It ensures reliable engine operation and is a direct replacement for part number K949474.