Key Product Details Purpose: Provides a high level of filtration to protect internal engine components from premature wear. Engine Compatibility: Fits 5 HP Quantum OHV engines and Europa (9 CID) vertical engines. Specifically compatible with model series 12U800 through 12W807. Replacement Part: Replaces older part numbers 497725, 494586, and 4197. Dimensions: Measures approximately 4″ in length, 2-1/2″ in width, and 2-1/4″ in height. Maintenance Tip: This filter is designed to be used with a foam pre-cleaner (part #273185S) to extend the life of the main cartridge.