NEW AC EVAPORATOR CORE FRONT FITS GMC 01-02 SIERRA 1500 HD 99-02 SIERRA 1500 54573 89018270 4711423 1054598 EV-6794PFC 720200 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability A/C Evaporator Core - Location: Front Core Size: 11 1/8" x 10 1/2" x 2 7/8" Inlet Size: 7/16" Diameter Outlet Size: 11/16" Diameter Source: Aftermarket