I purchased a Jasper transmission for my “custom” jeep (as they put it) in I believe August 2019. It last less than 2000 miles. I took the vehicle back to the “authorized dealer” and it was replaced.

In July 2021, my Duramax, 6.6 L diesel broke its crankshaft. I had to replace the engine with a Jasper short block. In February 2024 the engine dropped a valve into the cylinder. Jasper warrants their ...