Most hitches are held on with 4 grade 8 bolts. So far as the price, what is the hitch rated for, so far as weight? 247parts has OEM Nissan hitch
Reciever Hitch
Rated up to 7,500 lbs.(for vehicles not equipped with Big Tow Package).
Custom Nissan frame-mounted design for secure towing strength.
7-pin connector mounted to the outside of the reciever hitch for easy connection to trailer wiring(all Titans are pre-wired for Reciever Hitch).
Accepts either Class III or Class IV hitch ball mounts(sold seperately).
Refer to owner's manual or Nissan Towing Guide for specific towing information.
(dang it, I didn't copy price! I think it is $196.00 but you are getting the 7 pin connector with it)