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 510480 ONE (1) USED OEM OMC TIMER OILER CLIP CUSHMAN PART TRUCKSTER HAULSTER FOR 18HP 22HP ENGINE. $4.99 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 580472 ONE (1) USED OEM OMC TIMER SHAFT ONLY CUSHMAN PART TRUCKSTER HAULSTER FOR 18HP 22HP ENGINE. $14.99 510505 ONE (1) NEW OEM OMC TIMER HOUSING NEEDLE BEARING CUSHMAN PART $16.50 580440 ONE (1) NEW 9HP OMC IGNITION BREAKER POINT SET ONLY (NO CONDENSER INCLUDED) to replace cushman part for the timer of the OMC 9HP AIR COOLED engine. $25.99 Sold Out