While the principle design of the Holset HE351VE VGT Turbo found in your 6.7L Cummins boasts significant improvements in overall performance by delivering optimum boost levels at all RPM's, it lacks one major thing, dependability. For those in need of a replacement, this drop-in turbo is a genuine Holset remanufactured unit designed to deliver years of trouble free service.That's right, this turbo is rebuilt by the same company that originally produces them, Holset, so you can rest assured you're getting all of the latest, greatest updates that have been done to these turbos over the years. Includes a one year, 100,000 mile warranty.