The 245539C1 is a genuine OEM cylinder block designed for McCormick CX series tractors, including models CX50, CX60, CX70, CX75, CX80, CX85, CX90, CX95, CX100, CX105, and CX110. This essential engine component also serves as an equivalent part for various Case IH CX series and New Holland TD series agricultural machinery, ensuring reliable engine performance and durability. Verify fitment with your specific machine model for optimal compatibility.