9L8439, 9L-8439. Fits Caterpillar Engines: 3, 3S, 3P, 4, 4P, 4S, 53, 1140, 1145, 1150, 1160, 3114, 3116, 3126, 3160, 3176B, 3204, 3208, 3306C, 3406B, 3406C, 3406E, 3412, 3456, C7, C9, C12, C15, C16, C18, G910, G916, G926, MD6290, R2900.