Cushman OMC Engine Parts | X-TREMEDIST.COM › 111784 ONE (1) NEW OIL FILLER CAP GASKET TO REPLACE CUSHMAN PART FOR THE OMC ENGINE. Image 1 of 1 111784 ONE (1) NEW OIL FILLER CAP GASKET TO REPLACE CUSHMAN PART FOR THE OMC ENGINE. $2.50 CONTINUE SHOPPINGTHIS IS for the 18HP OR 22HP AIR COOLED OMC engine usually in the cushman truckster/haulster.OTHER CUSHMAN OMC GASKETS. Get notified by email when this product is in stock. Quantity: Add To Cart Added! CONTINUE SHOPPINGTHIS IS for the 18HP OR 22HP AIR COOLED OMC engine usually in the cushman truckster/haulster.OTHER CUSHMAN OMC GASKETS. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like 111838/111748/111764 EIGHT (8) PIECE NEW SMALL NITRILE-70 BUNA-N O-RINGS TO REPLACE CUSHMAN OMC OIL SUPPLY GASKETS. $3.99 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 111783/111792 TWO (2) NEW PRESSURE RELEASE VALVE HOUSING OIL SUPPLY GASKETS OMC TO REPLACE CUSHMAN PART. $7.99 111773 ONE (1) NEW OIL FILLER BODY GASKET TO REPLACE CUSHMAN PART FOR THE OMC ENGINE. $2.50