Prop 18 X 15.5 Spline 203844

MasterCraft boats 203844 prop by Acme Prop and OJ prop uses different props - depending on year model and performance and what Mastercraft is trying to achieve. A bent prop can cause vibration all the way to the steering wheel. As well as a tuning fork noise called a howling prop. Make sure that you have your prop trued every 3 years to keep it at its max performance. Or when you catch a rope, hit a sandbar, and other things that can cause your prop to go out of balance. 

PART# 203844

Compatible With: