Maglite LED Conversion and Upgrade kits: The best and cheapest dropins and replacements..
Litt Industries Maglite Ultimate 505 Lumen LED Upgrade Bulb
Maglite LED upgrade 5,000 lumen!
Maglight Maglite 300L Led Bulb 3 4 5 6 Cell C D Flashlight Upgrade Replacement N 7445054994968 | eBay
TRLIFE Maglite LED Conversion Kit, DC4-24V Maglite LED Bulb Replacement for 3-16 C&D Cells Maglite Flashlight, 3W P13.5S Mag Light LED Converter Maglite Replacement Bulbs 12V 18V Flashlight(2 Pack) - - Amazon.com
Led Conversion Kit, LED Bulb Replacement for Maglite Flashlight DC 3W 4.5V 6V 9V 12V Upgrade Bulb on 3 4 5 6 Cell Lantern Flashlight Torch 2 Pack P13.5S - Walmart.com
2x P13.5s Base Led Upgrade Bulb For Maglite Replacement Bulbs Conversion Kit For C/d Flashlights Torch 3v-24v Dc 3v 4.5v 6v 18v - Signal Lamp - AliExpress
Nite Ize LED Combo Upgrade Kit II LUC2-07 - The Home Depot