Ignition Coil with Spark Plug 290178008 for Ryobi Handheld Blower RY08544 RY08548 RY08574 RY08576 What this part does Replaces the ignition coil and spark plug assembly to restore reliable spark and engine starting. Matches the original part number 290178008 for direct compatibility with specified handheld blower models. Key benefits Restores starting performance and reduces missed sparks that cause hard starts or stalling. Directfit replacement for quick without modification to your blower. Includes both ignition coil and spark plug so you the complete ignition assembly in one step. Designed to match original equipment specifications to maintain consistent engine timing and performance. Important attributes Function: ignition coil and spark plug assembly for the ignition system of handheld blowers. Compatibility: fits handheld blower models RY08544, RY08548, RY08574, RY08576 (part number 290178008). Fit and installation: engineered for a plugandplay replacement of the factory ignition components. Durability and performance: built to withstand normal engine operating conditions and provide dependable spark generation. Typical applications a failed ignition coil and spark plug to get a blower that will not start back into service. Preventive maintenance during seasonal tuneups to avoid downtime during yard work. after moisture or wear affects ignition components, restoring consistent idle and throttle response. What you get One ignition coil with spark plug, part number 290178008, compatible with the listed blower models. Installation tips Disconnect the spark plug boot before starting work and follow safe engine service practices. Basic hand tools are usually sufficient; consult your blower manual for modelspecific instructions. If unsure about installation, a small engine technician can install the assembly quickly. Suitable for homeowners and technicians who need a straightforward replacement to restore ignition function and get handheld blowers back to reliable operation.