OEM O-Ring #81D5 - OEM Seal and Gasket Replacement for Case Construction Equipment This direct-fit service component is designed to replace damaged parts linked to oil leaks, dust intrusion, and failed sealing surfaces, especially under oil leaks, seepage, contamination entry, and worn sealing lips conditions. Often searched by buyers handling oil leak repair, o-ring replacement, and Case equipment gasket service service work. More Details Part Number: 81D5 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