Cushman OMC Engine Parts | X-TREMEDIST.COM › 510499 ONE (1) NEW OMC TIMER SHAFT BLACK SEAL TO REPLACE CUSHMAN PART. Image 1 of 2 Image 2 of 2 510499 ONE (1) NEW OMC TIMER SHAFT BLACK SEAL TO REPLACE CUSHMAN PART. $12.99 Sold Out CONTINUE SHOPPINGUsually found in the cushman truckster/haulster VEHICLES. THIS IS FOR THE 9HP, 18HP, AND 22HP OMC AIR COOLED ENGINES. Get notified by email when this product is in stock. Sold Out Added! CONTINUE SHOPPINGUsually found in the cushman truckster/haulster VEHICLES. THIS IS FOR THE 9HP, 18HP, AND 22HP OMC AIR COOLED ENGINES. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like 111815/112840 ONE (1) NEW OEM OMC TIMER THRUST SPOOL NEEDLE BEARING CUSHMAN PART. $9.50 Sold Out 510613, 510478 ONE (1) NEW CONDENSER (CONDENSOR) to replace cushman part FOR OMC 9HP, 18HP, OR 22HP ENGINE. $15.50 580433 KIT ONE (1) USED OEM OMC TIMER HOUSING UPPER KIT CUSHMAN PART TRUCKSTER HAULSTER FOR 18HP 22HP ENGINE. $19.99 510530/510598 ONE (1) NEW OMC TIMER SCREW KIT WITH NYLON INSULATING BLOCKS TO REPLACE CUSHMAN PART SCREW, #510479 SQUARE INSULATING BLOCK, ROUND INSULATING BLOCK, AND NUTS AND WASHERS. $15.99 160423 KIT ONE (1) USED OEM OMC TIMER HOUSING LOWER KIT CUSHMAN PART TRUCKSTER HAULSTER FOR 18HP 22HP ENGINE. $34.99