Merc 7.4 Bravo Thermo-to- exh man hose

stinger222

Petty Officer 2nd Class
Joined
Aug 5, 2007
Messages
129
Anybody know the size of the hose from the thermostat housing to the exhaust manifold? I'm guessing 1 in?? I need to replace the port side and of course I forgot to bring it with me from the boat so I can compare at the store.
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,525
Re: Merc 7.4 Bravo Thermo-to- exh man hose

Ayuh,...

I believe it Is 1",...
 
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