Features and Benefits:•Pulley Assembly for Astro 3037•Steel roller•Includes part numbers 1,2,3,61Mongoose-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.