Perkins 192, 203, 4-192, 4-203 OEM Crankshaft Remachined 20/20 Rods & Mains 4 Cyl Diesel 31315127, 3135148, 026008M1, 3638473M91, 31315135, 742742M91,31315138, 84407, 31315145, 85811, 31315148, 92484,31315167, 92485, 31315184, U5BG0017, ZZ90121,U5BG0028, 3637399M91 Also see part #?s 7420, 7414, 7426. * Flange: Rope type seal * Snout: Has smooth neck * Stroke: 5.00' * Rod Journal: 2.249' * Main Journal: 2.749' * 5 Mains * With Helical Gear