Another value-added program from JASPER. In addition to the up to 3 year/100,000 mile nationwide warranty offered on JASPER remanufactured engines, transmissions and differentials, the up to 2 year nationwide warranty on marine engines, and the up to 2 year nationwide warranty on diesel engines, we also offer available premium service protection for these products.

 https://www.jasperengines.com/resources/premium-service-plan/