2L340 Fractional V-Belt (1/4" X 34")One New Aftermarket Replacement 2L340 Fractional Horsepower V Belt (1 4" X 34" Outside Circumference) The 2L340 is a 2L section fractional horsepower (FHP) V belt used in light duty power transmission drives across lawn and garden equipment, agricultural machinery, HVAC equipment, appliances, and small power tools. The 2L section is the smallest standard FHP V belt profile, designed for compact, high speed drives using fractional horsepower motors. It