part 00.4235-1 Pump Head Assy (23/24-33/38) Speck code 00.4235-1 Details Speck number00.4235-1 DescriptionPump Head Assy (23/24-33/38) Qty per pump1 Fits these pumps Speck NP10 2 NP10/4-150NP10/7-150