Cushman OMC Engine Parts | X-TREMEDIST.COM › 111783/111792 TWO (2) NEW PRESSURE RELEASE VALVE HOUSING OIL SUPPLY GASKETS OMC TO REPLACE CUSHMAN PART. Image 1 of 1 111783/111792 TWO (2) NEW PRESSURE RELEASE VALVE HOUSING OIL SUPPLY GASKETS OMC TO REPLACE CUSHMAN PART. $6.99 CONTINUE SHOPPINGUSUALLY FOUND IN THE 18HP OR 22HP OMC AIR COOLED ENGINE.OTHER 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 OMC GASKETS. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like 160380 ONE (1) USED OEM OMC OIL DRIVE SHAFT WITH RING CUSHMAN PART FOR THE 18HP OR 22HP AIR COOLED ENGINE. $19.99 Sold Out 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 111745 ONE (1) NEW OIL DRAIN BLOCK GASKET OMC TO REPLACE CUSHMAN PART. $2.50 111757 ONE (1) NEW OEM OIL FILTER ADAPTER CUSHMAN PART FOR OMC 18HP OR 22HP ENGINE BLOCK. $35.99