7H3597 Replacement Track Bolt Fits Caterpillar 140 141 143 153 163 225 229 633+One (1) New Aftermarket Replacement Track Bolt Fits Caterpillar Models: 140, 141, 143, 153, 163, 205B, 211B, 215, 215B, 215C, 215D, 219, 225, 225B, 229, 3, 312B, 312BL, 312C, 312CL, 323DLN, 4, 4A, 4S, 5, 53, 55, 561C, 5A, 5APAT, 5S, 6, 633, 633B, 633D, 639D, 941, 941B, 951, 951B, 951C, 953, 955C, 955H, 955K, 955L, 977D, D4D, D4E, D4ESR, D5, D5B, D5C, D5CPAT, D5CPATLGP, D5E, D6C, PM201, PM565, PM565B, PR1000, PR1000C Specifications: Bolt Size (in): 5