Sierra 18-4264 3/8-18 NPT Pipe Plug for Mercury 22-32803

Sierra 18-4264 is a brass 3/8-18 NPT pipe plug that cross-references Mercury/MerCruiser 22-32803 and related plug numbers. Use thread sealant where specified and verify the engine or drive diagram before installation.

Sierra 18-4264 3/8-18 NPT Pipe Plug for Mercury 22-32803 is listed in the Laken Water Sports marine parts catalog for online ordering and Phoenix-area pickup. Confirm fitment, availability, and pickup timing with the parts team before ordering when compatibility is critical.

Fitment notes: Pipe plug; verify thread size and parts diagram.