Fuel Drain Valve$25.00 Fuel Drain Valve. An alternate part number for this fuel drain valve is F391-18. Out of stock 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 $25.51 Diamond, Mooney, Piper, OtherCurtis Fuel Drain Valve Add to cart $95.58 DiamondFuel Tank Hose Add to cart $151.12 DiamondFuel Gascolator Filter Element Add to cart $21.64 Diamond, Mooney, Piper, OtherFuel Drain Valve Read more