The following items will work as a direct replacement

Shock Cap O-Rings, black
Seals shock cap to body. (Not for threaded shock collars.)
This part fits the following vehicles
- SC10
- B44
- RC10T4.1
- RC10B4.1
- RC10B3
- RC10L3T
- RC10T3
- TC3
- RC10B44.1
- SC10GT
- SC10B
- RC10 Classic
- RC10CC