The Hypro 4001 O-Ring provides a tight leak free seal in Hypro 4 Roller Pumps.
Repair Kit for Hypro 4001/4101 Series Pump with Super Rollers
7771796
Viton Seal-503811
5110052
Hypro Ball Bearing for 6500 and 4001/4101 Pumps
5031113
Hypro Rear Bearing Cover for 6500 Pump
5017481
Bearing Cover with Hole
5017480
Hypro Super Roller for 4001/4101 Roller Pump
5112029
Pump Head for 4.5 GPM High Flo 12V Pump
5151097
High Flo 60 PSI Pressure Switch for High Flo 2.1 and 2.4 GPM Pumps
5157202
FIMCO 60 PSI Pressure Switch For High Flo High Performance 1.2 and 4.5 GPM Pumps
5164271
High Flo Check Valve for 3.8 and 4.5 GPM Pumps
5168824
Diaphragm Piston Bearing Kit for 4.5 GPM High Flo 12V Pump
5063271
5/16"-18 x 1.3125" x 1.75" Round U-Bolt
5034220
5/16"-18 Serrated Flange Hex Nut
5006307
FIMCO Manifold Repair Kit
7772087
3/4" x 1-5/8" Grommet
5075016
Pressure Gauge 0-100 PSI with 2" Face
5167007
Mounting Grommets for 3.8 and 4.5 GPM 12V High Flo Pumps Pkg (4)
5075019
5072220
Hypro 4001 O-Ring