It is easier and better in the long run to just replace it with a residential faucet from any big box store.
One of the first things I do in an RV is replace all the OEM faucets with higher quality residential types.
Usually it is a direct replacement w/o any adapters or plumbing changes needed.
Scott and Liz - Southern NM
2012 Wildcat Sterling 32RL - w/level up (best option ever)
2007 Chevy 2500HD 4dr short bed Duramax w/allison
Reese Fifth Airborne air ride king pin coupler with Sidewinder