Amber marker lamp.
This is the original Coleman Fleetwood amber marker lamp. It features a slightly different radius on each corner that was a Coleman and Fleetwood design.
This style of lamp was popular on almost every unit from the mid 1980's till 2011. Late model darker units such as Element and Evolution series would be the exception as black base marker lamps are typically found on these pop ups
This lamp has an orange lens and a white base.
Replacement bulbs can be found here
Complete with lens, base, filament lamp, and 2 wire lead.
Measures 4 inches long by 2 inches tall.
Part number 4714J08481