Mercruiser III Trim Cylinders

westportfish

Cadet
Joined
Jun 26, 2010
Messages
9
I am running an old III drive and am looking to replace the trim cylinders. The original part has been discontinued but I have located several on e-bay. The original cylinder measures 20 in. center to center but the replacement parts all measure 15 1/2 in. These are the cylinders that all the parts books say are the replacements. I know there are very few of these drives left in operation but this thing is bullet proof and I try picking up a parts when they come available. Do you guys think there would be a problem running a shorter cylinder?
 
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