Model Compatibility: 231, 325, 328, 329, 331, 334, 335, 425, 428, 430, 520, 530, 533, 540, 542, 543, 553, 630, 631, 632, 943, 953, 963, 970, 974, 975, 980, A300, S220, S250, S300, S330, T250, T300, T320

Each set of cylinders on your Bobcat equipment has a different seal kit. Seals should be replaced to prevent leaking cylinders.