I spoke with my contact at Roadmaster and we are fairly certain we have a fit for a steering stabilizer. Everything can find on your 1991 Mallard 25 Sport indicates that you have a 1991 Oshkosh M-Series chassis and would indicate that you would need the part # RM-RBK8-RSSA. There are also several other Series made by Oshkosh in that year that would also use this stabilizer as a fit.
My contact at Roadmaster told me to have you check the plate up by the driver seat where the VIN and chassis... view full answer...