Stens 245-043 Aftermarket Ball Joint Replaces case: C12102, C44640 John Deere: AM100644, AM30168, AM32868 MTD: 723-0179, 923-0179 Fits John Deere: 110, 112, 140, 200 Series, 300, 312, 314, 316, 317 and 400 Female thread: 1/2" -20 RH male thread: 1/2" -20 RH