I am not sure if my numbers are the same as yours but I have the same question what is it from ?
Perhaps a later year truck ? 55-57?
I havall bolts in the front a vent hole in back up high and a drain.
any ideas?
Thanks,


Don't you know who I think I am?
I've been thinkin' about freaking out. If I could just find the time.
http://community.webshots.com/user/ifrizlfri