I'm looking for 4 motor mounts for my pressure washer. The mounts are 1 1/2" in height and are 1 1/2" in O.D. One side has a treaded end sticking out while the other side has a metal female end (like a nut) formed into the rubber mount. All model number stickers are missing and when i took it to Northern's Service Dept. they couldn't identify the model either.