Replacement air filter and fuel line kit compatible with Hitachi leaf blower models RB24EAP, RB24EA(S), and RB24EA 23.9cc. Replaces part number 6698373. Key benefits Restores reliable starting and running: fresh filter media prevents debris from reaching the carburetor while a fuel line ensures consistent fuel delivery. Direct-fit replacement: designed to match equipment fit and function for the listed models, reducing installation time and alignment issues. Durable components: filter media and flexible fuel tubing are built for small engine use, resisting everyday wear and cracking under normal operating conditions. Simple maintenance solution: ideal for routine service or quick repairs to resolve fuel flow problems, rough idling, or reduced engine power. What this kit does Air filtration: traps dust and debris before air enters the engine, helping maintain performance and reduce maintenance on internal parts. Fuel delivery: replaces old or damaged tubing to prevent leaks, blockages, and air pockets that cause stalling or poor throttle response. Specifications and compatibility Compatible models: RB24EAP, RB24EA(S), RB24EA 23.9cc Replaces: part number 6698373 Contents: air filter and fuel line designed for direct replacement on the specified models Intended for use with 23.9cc small engine leaf blowers listed above Practical use scenarios Routine maintenance: replace the air filter and fuel line during seasonal tune-ups to maintain consistent performance and prolong engine life. After wear: install the kit when the existing fuel line becomes brittle or the filter is clogged, restoring proper fuel flow and combustion. Prepping for heavy use: install before extended yard work or commercial cleanup to reduce the risk of mid-job stoppages and engine hesitation. Notes Confirm model compatibility and part number 6698373 before purchase to ensure correct fit. Installation typically requires basic hand tools and standard small engine maintenance procedures.