I replaced mine, several years ago. I just searched the Internet, for MH parts and supplies and found one. Can't remember the company's name, but it was a common name. Did you try Ebay RV Parts?
Roland & Jerri, with Maggie & Mollie, our Pups; '05 Fleetwood Providence, 39' DP; '08 Saturn. "The difference between genius and stupidity is genius has it's limits" (Einstein)