The Sierra 18-4258 Pipe Plug is a replacement retaining, fastening or spacing component for the applicable assembly in Mercruiser applications. It replaces Mercury 22-416223.
Material:Â Black Steel with square drive
Thread Size:Â 3/4" or 19.1mm - 14 NPT
Note:Â Pipe sealant with Teflon is recommended for use on plug threads
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-4258?
Sierra 18-4258 is an aftermarket pipe plug for Mercruiser applications.
Which part numbers cross-reference Sierra 18-4258?
This listing cross-references Mercruiser 22-33198A1, Mercruiser 22-41622, Crusader 113186 and GLM 21892. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-4258 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
