part 90358100 O-ring 8,73 x 1,78 - (108) Interpump code 90358100 Details Interpump number90358100 DescriptionO-ring 8,73 x 1,78 - (108) ItalianOR D. 8.73x1.78 NBR 70SH 108Qty per pump1 Fits these pumps Interpump 53 E1 series 3 E1D1835E1E1811E1E2111 Interpump 53 ET1 brass series 2 ET1D1835ET1E1811