U.S. Seal Shaft Seal [PS-3865] [5/8" Shaft] [Viton] (PS-3865R) pumps The 003899F is a practical

The 003899F is a practical service part when a compatible Raypak heater needs an LP MV gas valve to restore dependable fuel-control performance

When rebuilding a pump with a larger shaft size

Designed for compatible Baker Hydro style skimmers

25 inch by 2

2 inch by 2 inch

U.S. Seal Shaft Seal [PS-3865] [5/8" Shaft] [Viton] (PS-3865R) pumps The 003899F is a practicalThe U. S. Seal PS 3865 shaft seal is designed for compatible 5 8 inch shaft applications and uses Viton sealing material for buyers who need a more premium material choice in the rebuild. Viton seals are often selected when the application calls for a tougher sealing option than standard materials, especially in supported service environments where durability matters. This replacement is especially useful when the original shaft seal has failed, begun