Key Product Details Purpose: Ensures proper fuel-air mixture to resolve starting issues, rough idling, or engine stalling. Compatibility: Fits select 120000 series L-Head engines, including model series 122K02, 122L02, 122M02, and 122T02. It is often used on equipment from Toro, Craftsman, and Snapper. Horsepower Range: Generally suitable for engines between 5.5 HP and 6.75 HP. Replaces Part Numbers: 790821, 799868, 498170, 498254, and 497347.