Grote 53640 SuperNova Three-Stud Metri-Pack LED Stop Tail Turn Light (LH w/License Window) 53640 - Red, LH Features Grote's latest SuperNova single LED technology in both the S/T/T and license function Encapsulant potting for total circuit board protection Replaces GM 15613944 & 15565732 (53630), 15613943 & 15565731 (53640) Replaces Navistar 1661282C91 (53630), 1661281C91 (53640)