Primer Bulb Assembly / Tecumseh 632047APack Size:1Tecumseh 632047A, Tecumseh 632047Laser 97318, NHC 632047ATecumseh ECV100-ECV120, TNT100 and TNT120; CA-631849A thru CA-632795, TEC-632804, TEC-640173 and TEC640196OD: 1 1/16 ", Height: 3/4 ", Ethanol: Not compatible with greater than 10% ethanol fuel