Damper, Tank Locating 3

All rubber items, particularly anti vibration components, either turn hard and brittle, or simply degrade from UV and general wear and tear.
To avoid high-frequency vibration damage to that rare and difficult to replace fuel tank, ensure these are replaced when refurbishing the assembly.
A related item you may wish to consider:

2J22418100

Avoid costly stress cracking of the metal items this cushion protects.

Low cost - high value!