Product Feature: * Application: These Test Adapters are used for 1998-1/2 to Current 24V Cummins 5.9L 6.7 Liter Diesel. * Superior Material: These Adapters are made from premium steel, rugged and high temperature resistant. Designed using state-of-the-art technology with the client in mind. It will meet your needs and provide excellent quality at an affordable cost. .