Primer Bulb Shop Pack / Briggs & Stratton 694394Pack Size:1Briggs & Stratton 694394, Briggs & Stratton 4178, Briggs & Stratton 5084H, Briggs & Stratton 494408, Briggs & Stratton 4128, Briggs & Stratton 5084D, Briggs & Stratton 5084K, Simplicity 1709322, Simplicity 1709322SMHome Depot 279640, NHC 262-4018, Outdoor Factory Parts 578466302, Oregon 49-058, Rotary 8958, Sunbelt SB8958Tecumseh 10A902, 10A982, 98902 and 98982 with Pulsa-Prime carburetors Priced per pack, sold per pack, OD: 3/4 ", Height: 3/4 ", Ethanol: Not compatible with greater than 10% ethanol fuel, Package of 10