5 pack Primer Bulb Fits Toro Lawn Boy Silver Series w Fits Walbro Carburetor La Basic Jeans Fashion Style Models Casting 2024 by CanadaDrAI on DeviantArt. Five (5) New Aftermarket Replacement Primer Bulbs Fits Toro, Lawn Boy, and Tecumseh Engines with Fits Walbro Carburetor This pack of five (5) aftermarket replacement primer bulbs Fits Toro walk behind mowers, Lawn Boy Silver Series mowers with Fits Walbro carburetors, and equipment powered by Tecumseh VLV and TVS series engines. The primer bulb mounts on the carburetor and is pressed to draw fuel from the tank into the carburetor, allowing for easier cold starts. Over time, primer bulbs crack or lose elasticity and must be replaced. Each bulb includes a lock washer and does not have a vent hole. Not compatible with fuel containing greater than 10% ethanol (E10+). Specifications Outer Diameter (OD): 1" Height: 13 16" Includes lock washer No vent hole Not compatible with greater than 10% ethanol fuel Quantity: 5 bulbs per pack Compatible Models Tecumseh Engines: VLV 50, VLV 60, VLV 65, VLV 66, VLV 126, TVS90 Fits Walbro Carburetors: Fits Walbro carburetor equipped Fits Toro and Lawn Boy walk behind mowers Fits Toro Lawn Boy: Silver Series Lawn Boy walk behind mowers with Fits Walbro carburetor Replaces Part Number(s): 36045, 36045A, 640259, 49 085, 49085, 120 658, 188 11 1, 188111, 98271 Aftermarket Interchange Numbers Oregon 49 085, Fits Stens 120 658, Rotary 98271 New aftermarket replacement part not remanufactured, not used.