Bushing. Shackle. Spring.
A single Bushing used to cushion the leaf Spring from the mounting bolt on a vehicle or trailer. Insulator. Leaf. Included with: Also included with Spring assembly, Shackle, Shackle kit.

Leaf Spring Bushing

F150, 2WD.
Suspension Leaf Spring - Repair or Replace
Your leaf springs are not especially prone to failure, but excessive rust can make them more prone to failure. Contact your local service department to have the suspension system in your evaluated and have the leaf springs replaced if necessary.