Check the listing for details. TU-15-26 Diesel Compression Injector Adapter for Cummins ISB 5.9L Engine 1998-02. Condition: New. Listed at 40.90 USD. Features: Application--TU-15-26 Diesel Injector adapter with quick disconnect for Cummins ISB 5.9L engines 1998-2002 used in Dodge pickups, school buses and medium duty trucks. For use with J-6692-B Compression Tester. Replaceable Part Number--TU-15-26. Function--Compression Test Adapter is for use with the Diesel Compression Tester TU-15 to test cylinder pressure on diesel cars and trucks. Diesel compression test adapters make your tester gauge assembly more versatile and useful. Superior Material--All are made from quality materials to provide you with an accurate and lasting service life. .