Features and Benefits:�Designed for the L5P Diesel Engine with two tank caps�One cap is located on the side of the tank (Vented) with right-hand threads�The other is located on the top of the tank (Non-Vented) with left-hand threads�This is designed to eliminate any chance of installing the non-vented cap where a vented cap is required�?ATTENTION (Adapter is designed for the vented tank with right handed threads)�O-rings on the center core seal off the tank vent port for proper testing�Compare to GM factory tool GE-52098-A�Applications:�2017+ Chevrolet Silverado�2017+ GMC Sierra w/ DuramaxMongoose-Plusoffers industry-leading J2534 pass-thru technology enabling diagnostics, reprogramming and security functions for dealerships and the independent repair facility. This line of economical and compact pass-thru devices provides an easy-to-use interface that allows you to repair complex vehicles with OE applications in your shop.Mongoose-Plusis engineered to work with each OEM's J2534 applications for Chrysler, Ford, GM, Nissan, Toyota, & VW/Audi.