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 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. Quantity: Add To Cart 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 111769/111771 TWO (2) GASKETS- ONE (1) NEW OMC ROUND TIMER BODY HOUSING GASKET AND ONE (1) LARGE OMC TIMER HOUSING GASKET TO REPLACE CUSHMAN PART. $3.99 510613, 510478 ONE (1) NEW CONDENSER (CONDENSOR) to replace cushman part FOR OMC 9HP, 18HP, OR 22HP ENGINE. $15.50 160423 KIT ONE (1) USED OEM OMC TIMER HOUSING LOWER KIT CUSHMAN PART TRUCKSTER HAULSTER FOR 18HP 22HP ENGINE. $34.99 580394 ONE (1) NEW IGNITION BREAKER POINT SET ONLY (NO CONDENSER INCLUDED) to replace cushman part FOR THE TIMER IN THE OMC 18HP OR 22HP engine (18 hp 22 hp engines). $23.50 510543/510599 ONE (1) NEW OMC TIMER CLAMP (BAIL) SPRING CLIP CUSHMAN PART TRUCKSTER HAULSTER.. $29.99 Sold Out