part 91468500 Key 4/4.8 x 18 Interpump code 91468500 Details Interpump number91468500 DescriptionKey 4/4.8 x 18 ItalianLinguetta 4.0/4.8x18Qty per pump1 Fits these pumps Interpump 53 SS1 series 2 SS1B1506SS1B1514