This Sierra oil filter is a must-have for any marine engine owner. With a closeout sale and no returns, it's a great deal you won't want to miss. The filter is designed for the inboard engine and is compatible with a wide range of boat models. The brand Sierra is known for its quality products, and this oil filter is no exception. It's made specifically for marine use and is designed to keep your engine running smoothly. Don't let this opportunity to upgrade your oil system pass you by.