CYLINDER HEAD AS 1407373 - Caterpillar

3500 Family Of EnginesDescription of Change: New clamps with grommets are used in the fuel lines used on the 3500 Family of Engines. The new clamps with grommets provide a softer mounting that helps to dampen vibration of the lines. The new clamps and grommets are used only in area where vibration dampening is needed.Adaptable To: Two new 7C2199 Clamps and one new 7C3036 Grommet can be used to directly replace two former 1N4734 Clamps. Two new 9Y0047 Clamps and two new 7C3036 Grommets can be used to directly replace two former 8N2755 Clamps. Put a thin coat of 5H2471 Cement on the outside of the grommets before installing the new clamps. The fuel lines on the 3500 Family Of Engines use both new 7C2199 Clamps (single line) and 9Y0047 Clamps (double line) with new 7C3036 Grommets.