Seachoice - Thru-hull Vent - f/ 9/16" Or 5/8" Hose - Chrome Plated - 23031 Mercury-175HP-3-4L-V6-2019 When you go with Quicksilver

When you go with Quicksilver

4-bolt mount

Aluminum construction keeps it affordable to repair or replace — perfect for everyday use or as a dependable backup prop

helping regulate engine temperatures during long runs

forgiving when you don’t

Seachoice - Thru-hull Vent - f/ 9/16" Or 5/8" Hose - Chrome Plated - 23031 Mercury-175HP-3-4L-V6-2019 When you go with QuicksilverSeachoice Thru hull Vent f 9 16" Or 5 8" Hose Chrome Plated 23031 Highly polished chrome plated brass. Two vent holes. Monel fire screen. Fits hose that are 9 16" or 5 8" Max hull thickness is 1 2" Chrome Plated WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.