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 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 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 111836/837359 ONE (1) NEW OMC 18HP 22HP ENGINE OIL FILTER TO REPLACE CUSHMAN PART $9.99