The following items will work as a direct replacement

Receiver Box Grommets
This item is discontinued. Perhaps this alternate item will work for you: #71023.
This part fits the following vehicles
- RC8B3
- RC8B3e
- RC8T3
- RC8T3e
- RC8B3.1
- RC8B3.1e
- RC8T3.1e
- RC8T3.1
This part fits the following other parts
- #80926 - RC8B3 and RC8B3e Kit Bundle