Replacement hose fitting for LiquiVac small engine oil extraction pump

thingiverse

After 12 years of seasonal use, the flexible plastic hoses on my 3-quart LiquiVac motor oil extraction device had become brittle and no longer stayed securely attached to their fittings. Although the LiquiVac remains available for purchase from Amazon and other online retailers, one of the two replacement hoses needed is not a standard size that I could find in local stores. The solution was to create a ½” male to ⅜” female connector that worked with hose sizes easily found in big box hardware stores. About 3” of ½” ID hose and several feet of ⅜” OD hose were required. A few cents' worth of filament saved me from spending around $40 for a new LiquiVac unit.