Onan RV QG 4000 Generator Valve stem seal 509-0289
Fits Onan KY Series Spec A-K, For spec L and above use Valve stem seal A028V752 The valve seal measures approx. holes 1/4″ , 7/16″ length 1/2″ Email us if you have any question on fitting your model. Authorized Dealer and Service Center for Onan, Kohler, Winco, Generac, Briggs and Stratton
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