2000/08/01 Caterpillar

Engine:

3406E (S/N: 1LW1-UP; 1MM1-UP; 2WS1-UP; 5DS1-UP)

C-15 (S/N: 6NZ1-UP)

C-16 (S/N: 7CZ1-UP)

Description of Change: New air compressor water hose assemblies are now available for 3406E, C-15, and C-16 truck engines. The new hose assemblies are constructed of a higher temperature rated material. The new material is rated to 121 °C (250 °F). The old material was rated to 85 °C (185 °F).

Adaptable To: These hose assemblies are effective with (S/N: 2WS42798) and (S/N: 1MM01487). These new part numbers can be retrofitted to all truck engines that are listed above. The old part numbers and the new part numbers are listed in the following table.