COUPLING 4I6287 - Caterpillar

D11N And 776B Tractors;
777B, 785, 789, 793 Trucks;
994 Loaders;
3500 Family Of EnginesDescription of Change: Taller water seals are used in the cylinder head groups. The taller seals will provide increased sealing ability which will help prevent water leaks.
Location of the taller 8N6862 Water Seal (1) and 8N6863 Water Seal (2) in the cylinder head groups.Adaptable To: The part numbers of the taller 8N6862 and 8N6863 Water Seals have not changed. The taller seals are in effect as shown in the chart. The taller seals can be identified by their gray color. Formerly, the seals were either white or orange. The 7E2867 and 7E2868 Water Seals, used with the 7E2866 Insert to salvage cylinder block top deck cracks, are also taller. These taller seals can also be identified by their gray color. They were formerly either white or orange.