part 33860 Stem, Valve with O-Ring and Backup Ring Cat Pumps code 33860 Details Cat Pumps number33860 DescriptionStem, Valve with O-Ring and Backup Ring Qty per pump1 Fits these pumps Cat Pumps 2SFX 5 2SFX20ES2SFX30ES2SFX30GES2SFX30GS2SFX30GZ