Home / Fuel Systems / Fuel, Oil & Primer Line / Line, Fuel, 1/4 Inch, Impulse Line, Fuel, 1/4 Inch, Impulse$2.95 PRICE PER FOOT Line, Fuel, 1/4 Inch, Impulse quantity Add to cart SKU: FU610 Category: Fuel, Oil & Primer Line Description Description Very heavy duty fuel line. 1/4″ ID X 9/16″ OD. Color is either Grey or Black. Typically used on airboat application. Also excellent as This hose has very little wall flex and makes for an excellent fuel pump pulse line. This hose will last years in the sun.