This Manifold Drain Plug made with high quality,can use for long time.
This is aftermarket manifold engine block drain plug ,can replace the original drain plug directly.
REPLACES: For Sierra 18-4226, for GLM 13992, for Malloy 9-41203, for Mercruiser 22-806608A1, 22-806608A02.
Because the original drain plugs may not seal tightly due to prolonged use and wear, they should be replaced with new ones regularly. It is best to replace one in 6 to 8 months.
Package include 4pcs engine drain plug with o-rings.