A coupler is the connection point mounted on the trailer which connects the trailer to the vehicle. When replacing a coupler there a few things that you have to know. First, what is the hitch ball size for the coupler. Secondly, what type of trailer do you have (Straight Tongue or A-Frame)? Lastly, what is the Gross Trailer Weight of the Trailer. These are the basic questions for finding the correct coupler replacement.

Black painted for resistance to corrosion.  Demco's exclusive coupler design locks when dropped onto the hitch ball.  Bolt-on coupler, cast steel construction.  Mounts on 2 inch centers.  Channel and mounting hardware sold separately.