The Case IH 87554491 is a genuine OEM cylinder head gasket designed for specific Case IH Farmall U (95U, 105U, 115U) and Quantum (90, 100, 110) series tractors. This critical engine component provides a tight seal between the cylinder head and engine block, preventing leakage of combustion gases and engine fluids. Manufactured to original specifications, it ensures optimal engine performance and longevity for Tier 4B engines. Verify fitment with your specific machine model for proper application.