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 111745 ONE (1) NEW OIL DRAIN BLOCK GASKET OMC TO REPLACE CUSHMAN PART. $2.50 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 111773 ONE (1) NEW OIL FILLER BODY GASKET TO REPLACE CUSHMAN PART FOR THE OMC ENGINE. $2.50 111775 ONE (1) NEW OIL PUMP COVER SQUARE O-RING NITRILE-70 BUNA-N GASKET OMC TO REPLACE CUSHMAN PART $2.50 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