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 $151.12 DiamondFuel Gascolator Filter Element Add to cart $262.23 Diamond, Mooney, Piper, OtherFuel Drain Valve Add to cart $268.65 DiamondFuel Hose Add to cart $4.94 Diamond, Mooney, Piper, OtherFuel Bowl Gasket Read more