This Easy Oil Drain Kit from MPI is the perfect solution for your inboard engine's oil system. With a 14mm-1.5 tread size, it is compatible with a range of boats and is designed for easy installation. The kit includes everything you need to drain your engine's oil, making it a convenient and hassle-free option. The manufacturer part number is 309-0380 and it comes with no warranty. This product is not a custom bundle and has not been modified in any way. It is suitable for use with a range of boats and is a great addition to your boat parts collection.