part 548193 Valve Cat Pumps code 548193 Details Cat Pumps number548193 DescriptionValve Qty per pump1 Also comes in 76978 Valve kit, NBR (STD) Fits these pumps Cat Pumps 4DX 1 4DX03ELR Cat Pumps 4SP 4 4SP21ELR4SP21ELU4SP29ELR4SP29ELU