B&S Oil Drain valve 5401K

Key Specifications
Thread Size: 3/8" x 18 NPTF (National Pipe Thread Fuel).
Operation: 1/4-turn open/close action for tool-free draining.
Dimensions: Approximately 1.06 x 2.41 x 9.16 inches.
Weight: 0.16 lbs.
Compatibility: Fits most Briggs & Stratton engines, including V-Twin Vanguard models (except M61 or M54).
Included Components: The kit typically comes with the drain valve, a protective cap, and a clear plastic hose to direct oil into a container.