Description: Diaphragm replaces 272638S Replaces OEM:(Please be sure of your OEM part number before purchase) Replaces: 270988, 272638, 272638S, Fits Models: Fits 400700, 402700, 42A700-42E700, 414700, 402400 and 460700; for L-Head Twin engines and select 8 and 11 HP horizontal engines (fuel pump) Specs: Ethanol: Not compatible with greater than 10% ethanol fuel