If you hit up any of the RV shows many have a manufacturer rep that can be a good place to start. Dealer should be able to find out that information too, just requires them to contact the manufacturer rep.
Regan was right; Trust, but verify.
Two Wire Fox Terriers; Sarge & Sully
2007 Winnebago Sightseer 35J
2020 Jeep Gladiator Rubicon