The Case IH 21749 Insert is a genuine OEM replacement part designed for various Case IH combine harvester models. This essential component ensures proper function and fitment within compatible agricultural machinery, maintaining optimal performance and reliability. Engineered to meet original specifications, it provides durable and precise operation for models including the 1020, 2020, 2044, 2055, 2066, 2088, 2144, 2166, 2188, 2344, 2366, 2388, 2577, 2588, 7010, 7120, 7130, 7230, 7240, 8010, 8120, 8230, 8240, 9120, 9230, 9240, AFX8010, AFS 7010, and AFS 8010 series.