While we may not have an exact replacement for the powered jack that was on your trailer we do have a better solution for a replacement jack. I recommend the Stromberg Carlson Electric Trailer Jack # JET-5000 as a replacement.
It has a lifting capacity of 5,000 lbs which would be more than you'd need but will ensure that the jack will operate quickly and last a long time. view full answer...
We do have an option for you, though your 2" x 4" square channel bumper does not have the strength and stability for a trailer hitch to work, which means you will need to use a frame-mounted hitch on your 2016 Dutchmen Kodiak travel trailer. For this the Adjustable Width Trailer Hitch Receiver for RVs # 13703 so long as your Kodiak has a box frame, C-channel frame, or I-beam frame that is between 22" and 72" wide. This hitch has brackets which you can either bolt or weld on, as you can... view full answer...
Yes the Wheel Lock Set for 1/2" Wheel Bolts # RG01-150 is a fit for the 1/2 inch wheel studs of your 2013 Kodiak 161E camper as this fits the standard 1/2 inch wheel stud size of campers. view full answer...