Cushman OMC Engine Parts | X-TREMEDIST.COM › 111773 ONE (1) NEW OIL FILLER BODY GASKET TO REPLACE CUSHMAN PART FOR THE OMC ENGINE. Image 1 of 1 111773 ONE (1) NEW OIL FILLER BODY 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 OMC GASKETS. Get notified by email when this product is in stock. Add To Cart Added! CONTINUE SHOPPINGTHIS IS for the 18HP OR 22HP AIR COOLED OMC engine usually in the cushman truckster/haulster.OTHER OMC GASKETS. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like 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 111726 ONE (1) NEW OIL STRAINER COVER GASKET OMC TO REPLACE TRUCKSTER HAULSTER CUSHMAN PART. $7.50 111810 ONE (1) USED OEM OMC OIL SUPPLY TUBE CUSHMAN PART FOR THE 18HP OR 22HP AIR COOLED ENGINE. $19.99 111783/111792 TWO (2) NEW PRESSURE RELEASE VALVE HOUSING OIL SUPPLY GASKETS OMC TO REPLACE CUSHMAN PART. $7.99 111838/111748/111764 EIGHT (8) PIECE NEW SMALL NITRILE-70 BUNA-N O-RINGS TO REPLACE CUSHMAN OMC OIL SUPPLY GASKETS. $3.99