Check the listing for details. TU-15-26 Diesel Compression Test Adapter For Dodge Ram 1998-03 Cummins ISB 5.9L. Condition: New. Listed at 40.90 USD. Fitment: TU-15-26 diesel compression test adapter fit for Cummins ISB Engines 5.9L. Function: Use with diesel compression tester, to test cylinder pressure on diesel cars, medium-duty trucks, and pick-ups. An exquisite adapter supports your tester for more accurate measure. What you get: This adapter kit consists of a flex nylon Washer and two solid steel adapters. The combination of three elements can be perfectly installed in the groove of the injector. Material: The products are durable, anti-corrosion, and oil-resistant. Its non-sparking and anti-magnetic qualities make it ideal for use on the. .