F8511-452 WOODWARD GOVERNOR ACTUATOR. And add me to your favorites list. PLEASE SEND ONAN PART NUMBERS OR MODEL AND SPEC. NUMBERS WHEN INQUIRING ABOUT OTHER PARTS. The item “F8511-452 WOODWARD GOVERNOR ACTUATOR 6 SPLINE NOS” is in sale since Sunday, May 6, 2018. This item is in the category “Business & Industrial\Light Equipment & Tools\Generator Parts & Accessories”. The seller is “mikes_garage_sale” and is located in Osceola, Indiana. This item can be shipped worldwide.