Cushman OMC Engine Parts | X-TREMEDIST.COM › 111745 ONE (1) NEW OIL DRAIN BLOCK GASKET OMC TO REPLACE CUSHMAN PART. Image 1 of 1 111745 ONE (1) NEW OIL DRAIN BLOCK GASKET OMC TO REPLACE CUSHMAN PART. $2.50 CONTINUE SHOPPINGUSUALLY FOUND IN THE 18HP OR 22HP OMC AIR COOLED ENGINE.OTHER CUSHMAN OMC GASKETS. Get notified by email when this product is in stock. Add To Cart Added! CONTINUE SHOPPINGUSUALLY FOUND IN THE 18HP OR 22HP OMC AIR COOLED ENGINE.OTHER CUSHMAN OMC GASKETS. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like 111783/111792 TWO (2) NEW PRESSURE RELEASE VALVE HOUSING OIL SUPPLY GASKETS OMC TO REPLACE CUSHMAN PART. $7.99 111920/817310/881595 ONE (1) NEW OMC OIL WARNING PRESSURE SWITCH TO REPLACE CUSHMAN PART WITH ONE PRONG/TERMINAL AND ONE THREADED SIDE 1/8"-27 NPT. $12.99 111757 ONE (1) NEW OEM OIL FILTER ADAPTER CUSHMAN PART FOR OMC 18HP OR 22HP ENGINE BLOCK. $35.99 111784 ONE (1) NEW OIL FILLER CAP GASKET TO REPLACE CUSHMAN PART FOR THE OMC ENGINE. $2.50 111773 ONE (1) NEW OIL FILLER BODY GASKET TO REPLACE CUSHMAN PART FOR THE OMC ENGINE. $2.50