Primer Bulb Replacement for MTD Troy Bilt Craftsman Ryobi Yardman Snowblower Models 75110639 and 95110639A Keep your snowblower starting reliably with a directfit primer bulb designed to restore fuel delivery to the carburetor. This replacement part fits specified snowblower models and returns a weak or cracked bulb to like function. Key benefits Restores reliable starting by delivering a proper fuel prime to the carburetor so engines start faster after storage or cold weather. Directfit compatibility with models using part numbers 75110639 and 95110639A for a straightforward swap with no modification. Durable, flexible construction designed for repeated use and resistance to fuel exposure and cold conditions. Simple to install: pushfit connections allow quick field replacement, minimizing downtime. Costeffective that avoids full carburetor replacement when the primer bulb is the only worn component. What it does and why you need it Function: creates the suction and pressure pulses required to draw fuel into the carburetor bowl during priming. Problem solved: replaces brittle, cracked, or nonresponsive bulbs that cause hard starting, extended cranking, or flooding. Standout feature: engineered to match the fit and function of OEM bulbs for consistent performance. Compatibility and fit Designed for use on snowblower engines and other small engines that specify part numbers 75110639 or 95110639A. Intended as a direct replacement; confirm your equipment model uses one of the listed part numbers before ordering. Practical use scenarios a cracked primer bulb before winter to avoid nostart conditions during the first snowfall. Field after seasonal storage to restore fast starting on a driveway or sidewalk snowblower. Quick maintenance during a service session to eliminate intermittent hardstart symptoms. Package includes one primer bulb replacement compatible with the listed part numbers. Follow equipment service instructions for safe installation.