About Us

JASPER® has been remanufacturing quality products since 1942 and today we are the nation's largest remanufacturer of gas and diesel engines, transmissions, differentials, rear axle assemblies, air & fuel components, marine engines, sterndrives, performance engines, and electric motors.

JASPER's 2,300+ Associates and 48 branch and distributor locations are committed to providing you with the perfect product. Our processes and procedures are designed to produce a quality component that will meet or exceed the expectations of every one of our customers.

And, we back up that commitment with a 3 year/100,000 mile warranty on our gas engines, transmissions and differentials. That means you can have confidence in your vehicle's performance for years to come, and confidence in JASPER for life. Click here for a full warranty disclosure and coverage on our entire product line.