- This auction is for a set of 4 new Isuzu cast motor mounts with rubber inserts , I'm pretty sure they were from a marine application and the mounts were not needed . two of them have an additional components that bolt to the actual mounts , these units come off and he 4 mounts measure 2&3/4" x 5&1.2" on the top , the side of the angle is similar size . 3/4" diameter stud x 3" with rubber insert , The anle mount is stamped R-092005 , the transmission mount portion is marked R 090071 A . Nice heavy duty mounts , first class . Check out my E-bay store , by clicking on the red icon by my name , Ebay has a pretty good "in store google " so stuff is easier to find , I am listing lots of new and used marine gear for the next couple of months . Thanks for looking . Buy with confidence .