Product review (5 stars): If you can get at the machine, can handle pliers, screwdriver and wrench, you can do it. Watch the videos, but go in from bottom
Got the part. No complications -- identical to OEM part it replaced. I did the surgery from the bottom, as several reviews recommended. The videos on YouTube did it mostly from the front, but one did it from the back. The bottom is definitely quicker if you have room to lay the washer on its side. As reported by some others, the old part looked to be in perfect condition -- causing a brief crisis of faith in the diagnosis. No cracking, no discoloration. The machine is only 4 years old and usage is light -- maybe 2 loads per week.  But with the new part installed the leaking on the floor stopped. There may have been a slight wrinkle where the original part was fitted to the tub outlet (largest connection) and that may have developed the leak. But there was no clear evidence. I searched for pinholes and found none. I am ordering a spare hose to have on-hand, along with other parts to improve my installation when the time comes.<a data-hook="product-link-linked" class="a-link-normal" href="/LG-Electronics-4738ER1002A-Washer-Tub-to-Pump-Hose-with-Bellows/dp/B00AFSMMTO/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">LG Electronics 4738ER1002A Washer Tub-to-Pump Hose with Bellows</a>