For Newmar's it is PTL engineering that makes the door holding arms.
Door Holding Arm PTL Engineering,810-664-2310
================ btrombley@ptlengineering.com
Try: ptlengineering.com ,they have several different holding arms.
Siggy
Happy Trails
Siggy & Ursula
2011 Dutch Star 4020,ISL 400,Compr.brake,FTL XCR,IFS
Allison MH3000
2015 Jeep Cherokee,4x4 Active Drive II,V6 , Brake Buddy,Roadmaster Sterling,
Camping since 1975 Pop-Up,1986 22Ft.TT,1999 Gas MH,2005 KSDP,
2011 DSDP,FMCA 368283