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 160423 KIT ONE (1) USED OEM OMC TIMER HOUSING LOWER KIT CUSHMAN PART TRUCKSTER HAULSTER FOR 18HP 22HP ENGINE. $34.99 510480 ONE (1) USED OEM OMC TIMER OILER CLIP CUSHMAN PART TRUCKSTER HAULSTER FOR 18HP 22HP ENGINE. $4.99 111822 ONE (1) NEW OEM OMC TIMER RADIAL BEARING CUSHMAN PART TRUCKSTER HAULSTER. $19.99 510613/580394 ONE (1) NEW OMC IGNITION BREAKER POINTS (POINT) SET to replace cushman part and ONE (1) NEW OMC condenser (condensor) to replace cushman part timer 18HP OR 22HP AIR COOLED engine. $38.99 Sold Out 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