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. Quantity: 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 111757 ONE (1) NEW OEM OIL FILTER ADAPTER CUSHMAN PART FOR OMC 18HP OR 22HP ENGINE BLOCK. $35.99 111838/111748/111764 EIGHT (8) PIECE NEW SMALL NITRILE-70 BUNA-N O-RINGS TO REPLACE CUSHMAN OMC OIL SUPPLY GASKETS. $3.99 111836/837359 ONE (1) NEW OMC 18HP 22HP ENGINE OIL FILTER TO REPLACE CUSHMAN PART $9.99 111726 ONE (1) NEW OIL STRAINER COVER GASKET OMC TO REPLACE TRUCKSTER HAULSTER CUSHMAN PART. $7.50 111775 ONE (1) NEW OIL PUMP COVER SQUARE O-RING NITRILE-70 BUNA-N GASKET OMC TO REPLACE CUSHMAN PART $3.50