That number isn't the serial number. Yours looks like it ends with 3977, same in all pictures. I'm guessing the number you are referring to is some other like the date you looked at it?
The only problem I see (haven't tested yet as it is still summer in Iowa) is that the factory LEDs don't have a heating element on the lens. This could be a problem in ice and snow where it will build up and restrict the light. There are some after-market LEDs with the heating elements, that...
Thanks! Visibility is very good. It is applied like the decals. I would say I agree with your assessment of my choice of seat cover colors. Want a good cover to protect the leather but probably should’ve gone with black. The covers are too good to change so will leave for now.
I will stick...
Two things I miss on the F-150 SCrew I traded:
Room in the back seat
36 gal gas tank.
Other than that the JT is SOOOO much more fun and nimble, no contest!!