Lower Unit Compatability

[johnrolf]

I have a 1972 Chrysler 354HC. Will a 1988 50hp Force Lower Unit fit my motor? If not, what years and hp models will fit my motor?

 

[Terry H]

Re: Lower Unit Compatability

if you don't get an answer here check with the Chryslercrew web site...they will have what you need...just a thought

 

[WillyBWright]

Re: Lower Unit Compatability

Gearcases from 35s, 40s, 45s, and 50s are the same. They didn't change a thing on those for decades.<br /><br />Except for the driveshaft. Come to think of it I have run into shafts that are slightly shorter than others. I had one used one that I installed for a gentleman and it worked fine for a short time. The splines were only into the crankshaft by about 1/4" and they failed. The correct length shaft solved that. They're fully interchangeable.

 

[eurolarva]

Re: Lower Unit Compatability

I currently have a 55 on my 45. I used my old drive shaft because the one I got on ebay was a long shaft and my boat needs a standard shaft. I was told it would fit on a 35 as well. If you see a picture of one you are interested in buying look at the water tube and the shift linkage. If they look the same it will probably latch up to your motor.