Please help me to identify this part

[shanta]

Please help me to identify this part, what is it called? and part #? It's on top of the positive battery terminal. I accidentally broke it when try to unscrew the corroded nut.
Thanks.

[CTScott]

It is two parts:

The block, fusible link is the black part: 82620-52050
And, the clamp is: 90982-05054

[shanta]

Thanks CTScott.