The Case IH 3138668R2 Wiper Ring is an authentic OEM component designed for critical sealing applications in various Case IH agricultural machinery. This genuine wiper ring ensures optimal protection against contaminants, extending the operational life of hydraulic and mechanical systems. It features an outer diameter of 40 mm, an inner diameter of 30 mm, and a thickness of 5 mm. Compatible with a wide range of Case IH tractor models including the 1056, 1455XL, 4240, and 5250 series, as well as 1400 series combines and 1800 series cotton pickers.