Replacing a leaking Delta sink sprayer. The o-ring, that allows my kitchen sprayer to swivel, has failed. It’s not easy to replace the o-ring without destroying the end of the hose so I replaced the whole sprayer assembly. See the links below for the parts and tools I used (most Delta parts should be covered under warranty so check before buying anything):
Sprayer:
https://www.amazon.com/dp/B004Q02A4E