I originally did this on a 128 Cub Cadet years ago. The Cub has the identical air filter as the Gravely 5665.
For some reason, the larger Kohler air filter cost less than the smaller correct size one for the Kohler 10 and 12HP K engine.
The ID and OD are the same, only it is 3" wide, instead of 1 7/8".
A coupling nut, two jam nuts, and a 1/4" x 20 stud was added to lengthen the air filter retaining stud.
The air filter is slipped on.
And the air filter cover is reinstalled.
So, I get 50% more air filter, save a few bucks on the air filter, and the only downside is I have to put the machine in when it rains.
Yea, like this machine will EVER be out in the rain!!
Will a 169 air filter make this look correct?
