A-B15401K-AI OIL DRAIN VALVE/HOSEOne New Aftermarket Replacement Oil Drain Valve and Hose Kit Fits Briggs & Fits Stratton Engines This aftermarket replacement oil drain valve and hose kit Fits Briggs & Fits Stratton (B&S) V Twin Vanguard engines and all engines with a 3 8" x 18 NPTF drain plug thread. The kit includes a valve, cap, and drain hose, allowing quick and clean 1 4 turn oil drainage without tools simplifying routine engine oil changes on lawn tractors, zero turns, and