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 111757 ONE (1) NEW OEM OIL FILTER ADAPTER CUSHMAN PART FOR OMC 18HP OR 22HP ENGINE BLOCK. $35.99 111810 ONE (1) USED OEM OMC OIL SUPPLY TUBE CUSHMAN PART FOR THE 18HP OR 22HP AIR COOLED ENGINE. $19.99 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 111836/837359 ONE (1) NEW OMC 18HP 22HP ENGINE OIL FILTER TO REPLACE CUSHMAN PART $9.99 111775 ONE (1) NEW OIL PUMP COVER SQUARE O-RING NITRILE-70 BUNA-N GASKET OMC TO REPLACE CUSHMAN PART $7.75