View cart “External Fuel Gauge” has been added to your cart. Fuel Drain Valve$29.47 Fuel Drain Valve. An alternate part number for this fuel drain valve is F391-18. 1 in stock Fuel Drain Valve quantity Add to cart Like Tweet Pin it SKU: SA18 Category: Fuel Tags: Drain, Fuel, Valve Additional information Additional information Weight 1 lbs Dimensions 9 × 7 × 1 in Brand Diamond, Mooney, Piper, Other Related products $151.61 MooneyExternal Fuel Gauge Add to cart $936.59 DiamondFuel Measuring Device (DA62) Add to cart $9.25 Diamond, Mooney, Piper, OtherFuel Sender Gasket Add to cart $25.51 Diamond, Mooney, Piper, OtherCurtis Fuel Drain Valve Add to cart