LAMP, BULB - PRO LINER, SVCE. *FOR SCREW IN STYLE BLUB USE 811189*) PI Hoods Use Regardless of Serial Number. PL Hoods Use Regardless of Serial Number. L Hoods See 811189 W Hoods See 811189 PW Hoods Use Starting With Serial #11397161 Prior to #11397161 was WLF815585