OEM O-Ring Shaft Large Part Of Transmission Overhaul Seal Kit P/N 278836A1 #100747A1 - OEM Leak Repair Part for Case Construction Equipment Service This direct-fit service component is designed to replace damaged parts linked to oil leaks, dust intrusion, and failed sealing surfaces, especially under gasket failure, compression set, fluid leakage, and dirt intrusion conditions. Well suited to OEM seal replacement, gasket repair, leak service, and heavy equipment sealing maintenance maintenance and replacement workflows. More Details Part Number: 100747A1 Application: Typical repair use: OEM sealing component for maintenance work involving oil seepage, gasket failure, or leak-related equipment service. Key Features: Designed to replace sealing components affected by wear, leakage, or compression set Supports repair of oil seepage, fluid loss, and dirt intrusion issues OEM-style fit for efficient installation during heavy equipment service Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering Replaces: Refer to manufacturer cross-reference if applicable