We need a source for the ext ladder ends on our '98 U320. It's the black plastic end that has failed. FOT doesn't stock these from what we're told. Evidently the OE company was sold.
https://www.etrailer.com/Accessories-and-Parts/Stromberg-Carlson/8540-CP.html?feed=npn&gclid=EAIaIQobChMI7Ordy_CB6wIVRdbACh1ntQZ9EAQYASABEgIdY_D_BwE
More choices:
Universal Exterior RV Ladder Parts - Stromberg Carlson Products Inc. (https://www.strombergcarlson.com/product/la-401-la-401ba-replacement-parts/)
I recently bought these:
Cap- Step End | Advanced Resourcing Sales (https://advancedresourcingsales.com/products/cap-step-end)