John Deere Original Equipment Radiator Cap - R99771

John Deere Original Equipment Radiator Cap - R99771. Specs: Nominal Size (IN): 1.62. Diameter (IN): 1.87. Length (IN): 0.87. Threads Per Inch/Pitch (UNITY): 6.00. Material (ALPHA): POLYE. Fits the Following John Deere Models: 312GR, 314G, 316 P, 316GR, 317, 317 P, 317G, 318 P, 318G, 320, 1023E, 1025R, 1026R, 2025R, 2026R, 2032R, 2036R, 2038R, 3025E, 3032E, 3033R, 3036E, 3038E, 3038R, 3039R, 3045R, 3046R, 3120, 4044M, 4044R, 4049M, 4049R, 4052M, 4052R, 4055, 4066M, 4066R, 4075R, 4255, 4455, 4555, 4560, 4755, 4760, 4955, 4960, CT322. This is an OEM John Deere Part.