OEM O-Ring Replaces 420457A1 #8480245 - OEM Sealing Component for Heavy Equipment Repair This OEM service replacement is commonly used when oil leaks, dust intrusion, and failed sealing surfaces results in oil leaks, seepage, contamination entry, and worn sealing lips and the original part can no longer be relied on. Frequently purchased for oil leak repair, o-ring replacement, and Case equipment gasket service repairs on construction machinery. More Details Part Number: 8480245 Application: Repair application: OEM sealing component for maintenance work involving oil seepage, gasket failure, or leak-related equipment service. Key Features: OEM replacement for worn seals, failed gaskets, or damaged sealing points Helps restore fluid containment and protect against contamination entry Direct-fit service part for leak repair and routine maintenance replacement Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering Replaces: Refer to manufacturer cross-reference if applicable