Item 1001181960 has must read information.
: COMPLETE FIELD SERVICE BULLETIN (FSB) #120A2 BEFORE ORDERING THIS PART IF FSB #120A2 HAS not been performed, order one of the following kits: For machines equipped with standard (SAE) hardware order 1001268736 (k it, jib link; for machines equipped with metric hardware order 1001268 737 (kit, jib link). If FSB #120A2 has been performed, order 4844817S weld, bottom tube).