8C3839 One New Aftermarket Replacement Seal Fits Caterpillar 1672201One New Aftermarket Replacement Seal Fits Caterpillar Models: 14G, 14H, 14HNA, 16G, 16H, 16HNA, 24H, 416B, 416D, 416E, 420D, 420E, 424D, 428D, 430, 430E, 430F, 430F2, 432D, 438D, 442D, 442E, 444E, 446D, 517, 527, 533, 543, 550, 550B, 560B, 570, 570B, 580, 580B, 613C, 613CII, 615C, 621E, 621F, 621G, 623E, 623F, 623G, 627E, 627F, 627G, 631E, 631G, 633EII, 637E, 637G, 824G, 824GII, 824H, 825G, 825GII, 825H, 826C, 826G, 826GII, 826H, 834B, 924F, 928F,