Brian, the motor can be purchased much cheaper directly from the manufacturer. I'll have to look up who made it, they are in OR and if memory serves me right the guy to talk to was butch. The odds are if you have a late model rig the motor Mr Wizard suggested is correct but it really depends. If you have a bad motor and it is all aluminum, the one with the phenolic housing won't work and it becomes a******shoot as to which one will fit. If lubing doesn't fix it, come back on with a new post and give series and year of steps(RV) and what the motor looks like. Aluminum or phenolic gear housing on the motor. Then you will find out what you need.