TH102411 Seal Fits John Deere 992ELC, 400LC, 450LCOne New Aftermarket Replacement Dust Seal Fits John Deere Excavators This aftermarket replacement dust seal (replaces OEM part number TH102411) Fits John Deere 992ELC, 400LC, and 450LC excavators, as well as a wide range of other Fits John Deere and Hitachi excavator models. The seal is used at pin and bushing joints throughout the undercarriage and linkage assemblies to prevent grease loss and keep debris and contaminants from entering critical wear