Sierra 18-4258 marine pipe plug. Material: Stainless Steel with square drive, Thread Size: 3/4″ or 19.1mm – 14 NPT, Note: Pipe sealant with Teflon is recommended for use on plug threads. Replaces: Crusader 113186, GLM 21892, Mallory 9-41205, Mercruiser Stern Drive 22-33198A1, 22-41622, 22-46754, 22-33198, Osco 1016012.
About Sierra
Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.
