The Case IH 766604R1 is a genuine OEM cylinder head gasket designed for a range of Case IH agricultural tractors. This critical sealing component ensures proper compression and prevents fluid leaks between the cylinder block and cylinder head, maintaining engine performance and reliability. It is compatible with numerous Case IH tractor models including the 385, 485, 585, 685, 885, 395, 495, 595, 695, 895, 995, 3220, 3230, 4210, 4230, 4240, CX50, CX60, CX70, CX80, CX90, CX100, C50, C60, C70, C80, C90, and C100 series.