Your lights should be the same as mine, being the same year of manufacture.
The marker lights are all Bargman series 59, amber or red lens.
They are available on Amazon or ebay.
:):)
2001 Lance 1121 on a 2016 F450 ‘Scuse me while I whinge.
And for all you Scooby-Doo and Yosemite Sam types………..Let’s Go Brandon!!!